SQL CHEAT SHEET - Save This!
Most Asked SQL in Tech Interviews!
====================================
SQL is tested in 90% of tech interviews!
TCS, Infosys, Amazon, Flipkart, Data Analyst
roles ALL require strong SQL. Master this!
====================================
BASIC QUERIES
SELECT * FROM employees;
-> Get all rows from table
SELECT name, salary FROM employees
WHERE salary > 50000;
-> Filter rows with condition
SELECT * FROM employees
ORDER BY salary DESC LIMIT 5;
-> Top 5 highest paid employees
SELECT DISTINCT department FROM employees;
-> Get unique departments only
====================================
AGGREGATE FUNCTIONS
SELECT COUNT(*) FROM employees;
-> Total number of rows
SELECT AVG(salary) FROM employees;
-> Average salary
SELECT MAX(salary), MIN(salary) FROM employees;
-> Highest and lowest salary
SELECT department, COUNT(*) as emp_count
FROM employees
GROUP BY department
HAVING COUNT(*) > 5;
-> Departments with more than 5 employees
====================================
JOINS - Most Asked in Interviews!
INNER JOIN - Only matching rows in both tables:
SELECT e.name, d.dept_name
FROM employees e
INNER JOIN departments d ON e.dept_id = d.id;
LEFT JOIN - All from left + matching right:
SELECT e.name, d.dept_name
FROM employees e
LEFT JOIN departments d ON e.dept_id = d.id;
SELF JOIN - Table joined with itself:
SELECT e1.name, e2.name AS manager
FROM employees e1
JOIN employees e2 ON e1.manager_id = e2.id;
====================================
SUBQUERIES - Asked in Advanced Rounds!
Employees earning more than average:
SELECT name FROM employees
WHERE salary > (SELECT AVG(salary) FROM employees);
2nd highest salary (Classic Question!):
SELECT MAX(salary) FROM employees
WHERE salary < (SELECT MAX(salary) FROM employees);
Nth highest salary using LIMIT:
SELECT salary FROM employees
ORDER BY salary DESC LIMIT 1 OFFSET N-1;
====================================
WINDOW FUNCTIONS - Modern SQL!
Rank employees by salary:
SELECT name, salary,
RANK() OVER (ORDER BY salary DESC) as rnk
FROM employees;
Row number within each department:
SELECT name, department,
ROW_NUMBER() OVER
(PARTITION BY department ORDER BY salary DESC)
FROM employees;
====================================
TOP 5 SQL INTERVIEW QUESTIONS:
1. Find duplicate records in a table
2. Find employees with no manager (NULL)
3. Find departments with zero employees
4. Find Nth highest salary
5. Difference between WHERE and HAVING?
====================================
PRACTICE FREE ON:
SQLZoo -> sqlzoo.net
HackerRank -> hackerrank.com/domains/sql
LeetCode -> leetcode.com/problemset/database
====================================
Save this before your next interview!
Get FREE projects with database code:
https://t.me/Projectwithsourcecodes
Share with your placement batch!
#SQLCheatSheet #SQL #MySQL #PostgreSQL
#DatabaseInterview #Joins #Subqueries #WindowFunctions
#BTech2026 #MCA2026 #BCA2026 #PlacementPrep
#DataAnalyst #BackendDeveloper #TechInterview
#ProjectWithSourceCodes #StudentsOfIndia
Most Asked SQL in Tech Interviews!
====================================
SQL is tested in 90% of tech interviews!
TCS, Infosys, Amazon, Flipkart, Data Analyst
roles ALL require strong SQL. Master this!
====================================
BASIC QUERIES
SELECT * FROM employees;
-> Get all rows from table
SELECT name, salary FROM employees
WHERE salary > 50000;
-> Filter rows with condition
SELECT * FROM employees
ORDER BY salary DESC LIMIT 5;
-> Top 5 highest paid employees
SELECT DISTINCT department FROM employees;
-> Get unique departments only
====================================
AGGREGATE FUNCTIONS
SELECT COUNT(*) FROM employees;
-> Total number of rows
SELECT AVG(salary) FROM employees;
-> Average salary
SELECT MAX(salary), MIN(salary) FROM employees;
-> Highest and lowest salary
SELECT department, COUNT(*) as emp_count
FROM employees
GROUP BY department
HAVING COUNT(*) > 5;
-> Departments with more than 5 employees
====================================
JOINS - Most Asked in Interviews!
INNER JOIN - Only matching rows in both tables:
SELECT e.name, d.dept_name
FROM employees e
INNER JOIN departments d ON e.dept_id = d.id;
LEFT JOIN - All from left + matching right:
SELECT e.name, d.dept_name
FROM employees e
LEFT JOIN departments d ON e.dept_id = d.id;
SELF JOIN - Table joined with itself:
SELECT e1.name, e2.name AS manager
FROM employees e1
JOIN employees e2 ON e1.manager_id = e2.id;
====================================
SUBQUERIES - Asked in Advanced Rounds!
Employees earning more than average:
SELECT name FROM employees
WHERE salary > (SELECT AVG(salary) FROM employees);
2nd highest salary (Classic Question!):
SELECT MAX(salary) FROM employees
WHERE salary < (SELECT MAX(salary) FROM employees);
Nth highest salary using LIMIT:
SELECT salary FROM employees
ORDER BY salary DESC LIMIT 1 OFFSET N-1;
====================================
WINDOW FUNCTIONS - Modern SQL!
Rank employees by salary:
SELECT name, salary,
RANK() OVER (ORDER BY salary DESC) as rnk
FROM employees;
Row number within each department:
SELECT name, department,
ROW_NUMBER() OVER
(PARTITION BY department ORDER BY salary DESC)
FROM employees;
====================================
TOP 5 SQL INTERVIEW QUESTIONS:
1. Find duplicate records in a table
2. Find employees with no manager (NULL)
3. Find departments with zero employees
4. Find Nth highest salary
5. Difference between WHERE and HAVING?
====================================
PRACTICE FREE ON:
SQLZoo -> sqlzoo.net
HackerRank -> hackerrank.com/domains/sql
LeetCode -> leetcode.com/problemset/database
====================================
Save this before your next interview!
Get FREE projects with database code:
https://t.me/Projectwithsourcecodes
Share with your placement batch!
#SQLCheatSheet #SQL #MySQL #PostgreSQL
#DatabaseInterview #Joins #Subqueries #WindowFunctions
#BTech2026 #MCA2026 #BCA2026 #PlacementPrep
#DataAnalyst #BackendDeveloper #TechInterview
#ProjectWithSourceCodes #StudentsOfIndia
HackerRank
Solve Programming Questions | HackerRank
A special-purpose language designed for managing data held in a relational database.
LIVE JOB ALERT - Apply NOW!
Fresh IT Jobs for 2025/2026 Grads!
====================================
Amazon | SDE1 | Hyderabad
Adobe | Software Dev Engineer 2 | Bengaluru
Goldman Sachs | Associate Software Engineer | Hyderabad
Goldman Sachs | Associate Software Engineer | Bengaluru
Cisco | Software Engineer | Bengaluru
Oracle | Application Software Engineer 2 | Chennai
Oracle | Application Software Engineer 2 | Trivandrum
CME Group | Software Engineer I | Bengaluru
GE HealthCare | Software Engineer | Bengaluru
Caterpillar | Automation Engineer | Chennai
KLA | Software Engineer | Chennai
Trimble | Software Engineer II | Chennai
NatWest Group | Software Engineer | Gurugram
PwC | AI Engineer Associate | Andhra Pradesh
Citi | Java Application Developer | Chennai
Citi | Java Developer | Chennai
BNP Paribas | Java Backend Developer | Chennai
Barclays | Java Developer | Pune
UPS | Java Spring Boot Developer | Chennai
LSEG | Associate Software Engineer | Bengaluru
====================================
APPLY HERE (No Login Needed):
Associate / Software Eng Jobs:
https://www.linkedin.com/jobs/search/?keywords=associate+software+engineer&location=India&f_E=1%2C2
Java / Spring Boot Jobs:
https://www.linkedin.com/jobs/search/?keywords=java+spring+boot+developer&location=India&f_E=1%2C2
====================================
HOW TO APPLY FAST:
1. Click link above
2. Search your skill (Java, Spring Boot, Python)
3. Filter: Entry Level + Last 7 Days
4. Apply with updated resume!
Get FREE projects for your resume:
https://t.me/Projectwithsourcecodes
#JobAlert #FresherJobs #ITJobs2025 #ITJobs2026
#Amazon #Adobe #GoldmanSachs #Cisco #Oracle #Citi
#BTech2026 #MCA2026 #BCA2026 #HiringNow
#JavaDeveloper #SpringBoot #SoftwareEngineer
#ProjectWithSourceCodes #StudentsOfIndia
Fresh IT Jobs for 2025/2026 Grads!
====================================
Amazon | SDE1 | Hyderabad
Adobe | Software Dev Engineer 2 | Bengaluru
Goldman Sachs | Associate Software Engineer | Hyderabad
Goldman Sachs | Associate Software Engineer | Bengaluru
Cisco | Software Engineer | Bengaluru
Oracle | Application Software Engineer 2 | Chennai
Oracle | Application Software Engineer 2 | Trivandrum
CME Group | Software Engineer I | Bengaluru
GE HealthCare | Software Engineer | Bengaluru
Caterpillar | Automation Engineer | Chennai
KLA | Software Engineer | Chennai
Trimble | Software Engineer II | Chennai
NatWest Group | Software Engineer | Gurugram
PwC | AI Engineer Associate | Andhra Pradesh
Citi | Java Application Developer | Chennai
Citi | Java Developer | Chennai
BNP Paribas | Java Backend Developer | Chennai
Barclays | Java Developer | Pune
UPS | Java Spring Boot Developer | Chennai
LSEG | Associate Software Engineer | Bengaluru
====================================
APPLY HERE (No Login Needed):
Associate / Software Eng Jobs:
https://www.linkedin.com/jobs/search/?keywords=associate+software+engineer&location=India&f_E=1%2C2
Java / Spring Boot Jobs:
https://www.linkedin.com/jobs/search/?keywords=java+spring+boot+developer&location=India&f_E=1%2C2
====================================
HOW TO APPLY FAST:
1. Click link above
2. Search your skill (Java, Spring Boot, Python)
3. Filter: Entry Level + Last 7 Days
4. Apply with updated resume!
Get FREE projects for your resume:
https://t.me/Projectwithsourcecodes
#JobAlert #FresherJobs #ITJobs2025 #ITJobs2026
#Amazon #Adobe #GoldmanSachs #Cisco #Oracle #Citi
#BTech2026 #MCA2026 #BCA2026 #HiringNow
#JavaDeveloper #SpringBoot #SoftwareEngineer
#ProjectWithSourceCodes #StudentsOfIndia
Linkedin
28,000+ Associate Software Engineer jobs in India
Today's top 28,000+ Associate Software Engineer jobs in India. Leverage your professional network, and get hired. New Associate Software Engineer jobs added daily.
TRENDING TECH NEWS TODAY
What Every CS Student Must Know!
====================================
1. ZUCKERBERG: AI AGENTS SLOWER THAN EXPECTED
Meta's CEO told staff that AI agent development
is behind schedule. Even Meta with billions in
resources is struggling with AI agents.
Takeaway: AI agent engineers are RARE and
incredibly valuable right now!
------------------------------------
2. Anthropic in Talks with Samsung for Custom Chips
Anthropic is exploring building its own AI chips
with Samsung — joining OpenAI and Google in the
race for custom silicon.
AI + hardware = the most exciting intersection
in tech right now. VLSI skills are gold!
------------------------------------
3. Microsoft Launches $2.5 BILLION AI Company
Microsoft committed $2.5B to create a dedicated
AI deployment subsidiary for enterprise clients.
Microsoft is going ALL IN on AI. Azure + AI
certifications = fast track to Microsoft jobs!
------------------------------------
4. OpenAI Proposes Giving 5% Equity to US Govt
OpenAI suggested donating 5% of its equity to
a US sovereign wealth fund for AI governance.
Governments are becoming co-owners of AI companies.
AI policy + governance = brand new career field!
------------------------------------
5. AI Hype Is Getting Ridiculous - Even Sandwich
Chains Are Claiming AI Now!
Jersey Mike's IPO highlighted how companies add
AI branding with no real AI substance.
Lesson: Real AI skills stand out MORE when
everyone else is just faking it!
====================================
KEY TAKEAWAYS FOR CS STUDENTS:
AI agents = hardest problem, best paid engineers
Custom chip knowledge = extremely rare skill
Microsoft Azure + AI = high-demand career path
AI governance = new field needing CS + policy mix
Real AI skills > AI buzzwords on resume always!
====================================
Stay ahead. Keep building!
Free projects to build your portfolio:
https://t.me/Projectwithsourcecodes
#TechNews #Zuckerberg #Meta #Anthropic #Samsung
#Microsoft #OpenAI #AIAgents #CustomChip #AINews
#BTech2026 #MCA2026 #BCA2026 #FutureOfWork
#AIJobs #TechForStudents #ProjectWithSourceCodes #StudentsOfIndia
What Every CS Student Must Know!
====================================
1. ZUCKERBERG: AI AGENTS SLOWER THAN EXPECTED
Meta's CEO told staff that AI agent development
is behind schedule. Even Meta with billions in
resources is struggling with AI agents.
Takeaway: AI agent engineers are RARE and
incredibly valuable right now!
------------------------------------
2. Anthropic in Talks with Samsung for Custom Chips
Anthropic is exploring building its own AI chips
with Samsung — joining OpenAI and Google in the
race for custom silicon.
AI + hardware = the most exciting intersection
in tech right now. VLSI skills are gold!
------------------------------------
3. Microsoft Launches $2.5 BILLION AI Company
Microsoft committed $2.5B to create a dedicated
AI deployment subsidiary for enterprise clients.
Microsoft is going ALL IN on AI. Azure + AI
certifications = fast track to Microsoft jobs!
------------------------------------
4. OpenAI Proposes Giving 5% Equity to US Govt
OpenAI suggested donating 5% of its equity to
a US sovereign wealth fund for AI governance.
Governments are becoming co-owners of AI companies.
AI policy + governance = brand new career field!
------------------------------------
5. AI Hype Is Getting Ridiculous - Even Sandwich
Chains Are Claiming AI Now!
Jersey Mike's IPO highlighted how companies add
AI branding with no real AI substance.
Lesson: Real AI skills stand out MORE when
everyone else is just faking it!
====================================
KEY TAKEAWAYS FOR CS STUDENTS:
AI agents = hardest problem, best paid engineers
Custom chip knowledge = extremely rare skill
Microsoft Azure + AI = high-demand career path
AI governance = new field needing CS + policy mix
Real AI skills > AI buzzwords on resume always!
====================================
Stay ahead. Keep building!
Free projects to build your portfolio:
https://t.me/Projectwithsourcecodes
#TechNews #Zuckerberg #Meta #Anthropic #Samsung
#Microsoft #OpenAI #AIAgents #CustomChip #AINews
#BTech2026 #MCA2026 #BCA2026 #FutureOfWork
#AIJobs #TechForStudents #ProjectWithSourceCodes #StudentsOfIndia
Telegram
ProjectWithSourceCodes
Free Source Code Projects for Students 🚀 | Python | Java | Android | Web Dev | AI/ML | Final Year Projects | BCA • BTech • MCA | Interview Prep | Job Alerts
Website: https://updategadh.com
Website: https://updategadh.com
5 TRENDING JAVA & SPRING BOOT PROJECTS
Build These to Get Backend Jobs in 2025-26!
====================================
Java + Spring Boot = Most Hired Backend Stack!
Citi, Goldman Sachs, Barclays, TCS, Wipro,
UPS, Oracle ALL hire Java developers.
Avg fresher salary: 5-14 LPA!
====================================
PROJECT 1: Banking System REST API
What it does: Backend for a digital bank
Tech: Spring Boot + MySQL + Spring Security + JWT
Features:
-> Account creation and login with JWT auth
-> Deposit, withdraw, transfer money APIs
-> Transaction history with pagination
-> Admin panel to manage all accounts
What you learn: Spring Boot REST APIs, Spring
Security, JWT tokens, JPA/Hibernate, MySQL
Resume line: Built secure banking REST API with
JWT auth processing 10K+ daily transactions
====================================
PROJECT 2: E-Commerce Backend (Amazon Clone)
What it does: Full backend for an online store
Tech: Spring Boot + PostgreSQL + Redis + Docker
Features:
-> Product CRUD with category and search
-> Cart and order management system
-> Redis caching for fast product listing
-> Email notifications with Spring Mail
What you learn: Microservices basics, Redis cache,
Docker containerization, database optimization
====================================
PROJECT 3: Employee Management System
What it does: HR management tool for companies
Tech: Spring Boot + Angular/React + MySQL
Features:
-> Add, update, delete employee records
-> Department and role-based access control
-> Attendance and leave management
-> PDF payslip generation
What you learn: Full stack Spring Boot + frontend,
role-based authorization, PDF generation with iText
====================================
PROJECT 4: Real-Time Chat API with WebSocket
What it does: Backend for a messaging app
Tech: Spring Boot + WebSocket + MongoDB + Redis
Features:
-> Real-time messaging with STOMP protocol
-> Group chat rooms and private messaging
-> Message read/delivered status tracking
-> Online users list with Redis pub/sub
What you learn: WebSocket with Spring, MongoDB
for messages, Redis pub/sub, async programming
====================================
PROJECT 5: Microservices with Spring Cloud
What it does: Distributed system with 3+ services
Tech: Spring Boot + Spring Cloud + Docker + Kafka
Services:
-> User Service, Product Service, Order Service
-> API Gateway with Spring Cloud Gateway
-> Service discovery with Eureka
-> Async events with Apache Kafka
What you learn: Microservices architecture,
API Gateway, Kafka messaging, service discovery
Most impressive Java project for 2025-26!
====================================
FREE RESOURCES:
Spring Boot -> spring.io/guides
Baeldung -> baeldung.com (best Spring tutorials)
JavaBrains -> youtube.com/@Java.Brains
Docker -> docs.docker.com/get-started
====================================
Want full source code for these projects?
https://t.me/Projectwithsourcecodes
Comment which project you want to build!
#JavaProjects #SpringBoot #SpringCloud #Java
#BackendDev #Microservices #Kafka #Docker
#BTech2026 #MCA2026 #BCA2026 #FinalYearProject
#JavaDeveloper #REST #API #JPA #Hibernate
#ProjectWithSourceCodes #StudentsOfIndia
Build These to Get Backend Jobs in 2025-26!
====================================
Java + Spring Boot = Most Hired Backend Stack!
Citi, Goldman Sachs, Barclays, TCS, Wipro,
UPS, Oracle ALL hire Java developers.
Avg fresher salary: 5-14 LPA!
====================================
PROJECT 1: Banking System REST API
What it does: Backend for a digital bank
Tech: Spring Boot + MySQL + Spring Security + JWT
Features:
-> Account creation and login with JWT auth
-> Deposit, withdraw, transfer money APIs
-> Transaction history with pagination
-> Admin panel to manage all accounts
What you learn: Spring Boot REST APIs, Spring
Security, JWT tokens, JPA/Hibernate, MySQL
Resume line: Built secure banking REST API with
JWT auth processing 10K+ daily transactions
====================================
PROJECT 2: E-Commerce Backend (Amazon Clone)
What it does: Full backend for an online store
Tech: Spring Boot + PostgreSQL + Redis + Docker
Features:
-> Product CRUD with category and search
-> Cart and order management system
-> Redis caching for fast product listing
-> Email notifications with Spring Mail
What you learn: Microservices basics, Redis cache,
Docker containerization, database optimization
====================================
PROJECT 3: Employee Management System
What it does: HR management tool for companies
Tech: Spring Boot + Angular/React + MySQL
Features:
-> Add, update, delete employee records
-> Department and role-based access control
-> Attendance and leave management
-> PDF payslip generation
What you learn: Full stack Spring Boot + frontend,
role-based authorization, PDF generation with iText
====================================
PROJECT 4: Real-Time Chat API with WebSocket
What it does: Backend for a messaging app
Tech: Spring Boot + WebSocket + MongoDB + Redis
Features:
-> Real-time messaging with STOMP protocol
-> Group chat rooms and private messaging
-> Message read/delivered status tracking
-> Online users list with Redis pub/sub
What you learn: WebSocket with Spring, MongoDB
for messages, Redis pub/sub, async programming
====================================
PROJECT 5: Microservices with Spring Cloud
What it does: Distributed system with 3+ services
Tech: Spring Boot + Spring Cloud + Docker + Kafka
Services:
-> User Service, Product Service, Order Service
-> API Gateway with Spring Cloud Gateway
-> Service discovery with Eureka
-> Async events with Apache Kafka
What you learn: Microservices architecture,
API Gateway, Kafka messaging, service discovery
Most impressive Java project for 2025-26!
====================================
FREE RESOURCES:
Spring Boot -> spring.io/guides
Baeldung -> baeldung.com (best Spring tutorials)
JavaBrains -> youtube.com/@Java.Brains
Docker -> docs.docker.com/get-started
====================================
Want full source code for these projects?
https://t.me/Projectwithsourcecodes
Comment which project you want to build!
#JavaProjects #SpringBoot #SpringCloud #Java
#BackendDev #Microservices #Kafka #Docker
#BTech2026 #MCA2026 #BCA2026 #FinalYearProject
#JavaDeveloper #REST #API #JPA #Hibernate
#ProjectWithSourceCodes #StudentsOfIndia
Guides
Level up your Java code and explore what Spring can do for you.
MNC vs STARTUP - Honest Comparison!
Which Should YOU Join as a Fresher?
====================================
This is the question every CS student faces!
TCS offer in hand. Startup offering 2x salary.
Which do you pick? Here is the honest truth!
====================================
MNC (TCS / Infosys / Wipro / Accenture)
PROS:
Brand name on resume - opens doors globally
Job security - rarely lay off freshers
Structured training programs (3-6 months)
PF, medical insurance, and HR policies
Great for visa - easy to go onsite/abroad
Parents are happy (important in India!)
CONS:
Low starting salary (3.5 - 5 LPA mostly)
Slow growth - promotion every 2-3 years
Often assigned to maintenance/support work
Large company = you are just a number
Technology can be outdated (COBOL in 2025!)
Learning curve is shallow after training
====================================
STARTUP (Series A/B funded, 50-500 people)
PROS:
Higher salary (6 - 15 LPA for good startups)
Learn 5x faster - do everything yourself
Direct impact - your code goes live in days
Modern tech stack (React, Node, AWS, K8s)
Stock options (ESOPs) - can be life-changing
Fast promotions - 1 year to senior possible
CONS:
Job security risk - startups can shut down
No structured training - sink or swim
Long hours and high pressure common
Benefits may be limited vs large companies
Brand name less recognized globally
Salary can be delayed in early-stage startups
====================================
PRODUCT COMPANY (Adobe / Atlassian / Razorpay)
Best of both worlds!
Stable + good salary (10 - 25 LPA fresher)
Modern tech + strong engineering culture
Brand name recognized worldwide
But: Hardest to get into (DSA + system design!)
====================================
WHICH ONE SHOULD YOU PICK?
Pick MNC if:
You want stability and brand name
You plan to go abroad in 2-3 years
You have no other offers yet
Pick Startup if:
Startup is Series A/B funded (not bootstrapped)
Salary is 7 LPA+ with ESOP
You want to learn fast and grow fast
Pick Product Company if:
You cleared DSA rounds and have the offer
ALWAYS say yes - do not overthink it!
====================================
GOLDEN RULE:
First job is about LEARNING, not just salary.
Pick where you will grow the MOST technically!
====================================
Build projects to get into product companies:
https://t.me/Projectwithsourcecodes
#MNCvsStartup #CareerAdvice #FresherTips
#PlacementPrep #JobOffer #StartupJobs
#BTech2026 #MCA2026 #BCA2026 #OffCampus
#TCS #Infosys #Wipro #Startup #ProductCompany
#ProjectWithSourceCodes #StudentsOfIndia
Which Should YOU Join as a Fresher?
====================================
This is the question every CS student faces!
TCS offer in hand. Startup offering 2x salary.
Which do you pick? Here is the honest truth!
====================================
MNC (TCS / Infosys / Wipro / Accenture)
PROS:
Brand name on resume - opens doors globally
Job security - rarely lay off freshers
Structured training programs (3-6 months)
PF, medical insurance, and HR policies
Great for visa - easy to go onsite/abroad
Parents are happy (important in India!)
CONS:
Low starting salary (3.5 - 5 LPA mostly)
Slow growth - promotion every 2-3 years
Often assigned to maintenance/support work
Large company = you are just a number
Technology can be outdated (COBOL in 2025!)
Learning curve is shallow after training
====================================
STARTUP (Series A/B funded, 50-500 people)
PROS:
Higher salary (6 - 15 LPA for good startups)
Learn 5x faster - do everything yourself
Direct impact - your code goes live in days
Modern tech stack (React, Node, AWS, K8s)
Stock options (ESOPs) - can be life-changing
Fast promotions - 1 year to senior possible
CONS:
Job security risk - startups can shut down
No structured training - sink or swim
Long hours and high pressure common
Benefits may be limited vs large companies
Brand name less recognized globally
Salary can be delayed in early-stage startups
====================================
PRODUCT COMPANY (Adobe / Atlassian / Razorpay)
Best of both worlds!
Stable + good salary (10 - 25 LPA fresher)
Modern tech + strong engineering culture
Brand name recognized worldwide
But: Hardest to get into (DSA + system design!)
====================================
WHICH ONE SHOULD YOU PICK?
Pick MNC if:
You want stability and brand name
You plan to go abroad in 2-3 years
You have no other offers yet
Pick Startup if:
Startup is Series A/B funded (not bootstrapped)
Salary is 7 LPA+ with ESOP
You want to learn fast and grow fast
Pick Product Company if:
You cleared DSA rounds and have the offer
ALWAYS say yes - do not overthink it!
====================================
GOLDEN RULE:
First job is about LEARNING, not just salary.
Pick where you will grow the MOST technically!
====================================
Build projects to get into product companies:
https://t.me/Projectwithsourcecodes
#MNCvsStartup #CareerAdvice #FresherTips
#PlacementPrep #JobOffer #StartupJobs
#BTech2026 #MCA2026 #BCA2026 #OffCampus
#TCS #Infosys #Wipro #Startup #ProductCompany
#ProjectWithSourceCodes #StudentsOfIndia
Telegram
ProjectWithSourceCodes
Free Source Code Projects for Students 🚀 | Python | Java | Android | Web Dev | AI/ML | Final Year Projects | BCA • BTech • MCA | Interview Prep | Job Alerts
Website: https://updategadh.com
Website: https://updategadh.com
❤1
SYSTEM DESIGN BASICS - Save This!
Asked in Every Senior + Product Company Round!
====================================
System Design is asked at Adobe, Microsoft,
Flipkart, Razorpay, Swiggy, Uber and ALL
product companies. Learn the basics NOW!
====================================
1. SCALABILITY
Making your app handle more users over time
Vertical Scaling: Add more RAM/CPU to one server
-> Simple but has physical limits
Horizontal Scaling: Add more servers
-> Used by Google, Amazon, Netflix
-> Needs load balancer to distribute traffic
====================================
2. LOAD BALANCER
Distributes incoming requests across servers
so no single server gets overloaded.
Algorithms:
Round Robin -> requests go in rotation
Least Connections -> send to least busy server
IP Hash -> same user always hits same server
Real examples: AWS ALB, Nginx, HAProxy
====================================
3. CACHING
Store frequently accessed data in fast memory
to avoid hitting the database every time.
Redis -> most popular cache tool
CDN -> cache static files (images, CSS, JS)
near users geographically
Cache strategies:
Cache Aside -> app checks cache, then DB
Write Through -> write to cache + DB together
TTL (Time To Live) -> auto-expire cached data
====================================
4. DATABASE DESIGN
SQL (MySQL, PostgreSQL):
-> Structured data, ACID transactions
-> Use for: banking, orders, user accounts
NoSQL (MongoDB, DynamoDB):
-> Flexible schema, high write speed
-> Use for: chat messages, logs, catalogs
Database Sharding:
-> Split data across multiple DB servers
-> Used when one DB cannot handle load
Replication:
-> Master writes, Slaves read
-> Improves read performance + availability
====================================
5. MICROSERVICES vs MONOLITH
Monolith -> one big codebase, simple to start
Microservices -> split into small independent
services (User, Order, Payment, Notification)
When to use Microservices:
Large teams (each team owns one service)
Different scaling needs per service
Example: Netflix, Uber, Amazon all use it
====================================
6. MESSAGE QUEUES
Async communication between services
so they don't have to wait for each other.
Tools: Apache Kafka, RabbitMQ, AWS SQS
Example: Order placed -> Queue -> Notification
service sends email without slowing checkout!
====================================
7. CAP THEOREM
A distributed system can only guarantee 2 of 3:
C - Consistency (all nodes have same data)
A - Availability (always responds)
P - Partition Tolerance (survives network split)
Real systems choose CP or AP based on use case.
====================================
TOP 5 SYSTEM DESIGN INTERVIEW QUESTIONS:
1. Design URL Shortener (like bit.ly)
2. Design Instagram (image storage + feed)
3. Design WhatsApp (real-time messaging)
4. Design Uber (ride matching + maps)
5. Design Netflix (video streaming + CDN)
====================================
Save this - revise before product company rounds!
Get FREE system design projects:
https://t.me/Projectwithsourcecodes
Share with your placement batch!
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#Microservices #Kafka #Redis #LoadBalancer
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#ProductCompany #SDE2 #TechInterview #Scalability
#ProjectWithSourceCodes #StudentsOfIndia
Asked in Every Senior + Product Company Round!
====================================
System Design is asked at Adobe, Microsoft,
Flipkart, Razorpay, Swiggy, Uber and ALL
product companies. Learn the basics NOW!
====================================
1. SCALABILITY
Making your app handle more users over time
Vertical Scaling: Add more RAM/CPU to one server
-> Simple but has physical limits
Horizontal Scaling: Add more servers
-> Used by Google, Amazon, Netflix
-> Needs load balancer to distribute traffic
====================================
2. LOAD BALANCER
Distributes incoming requests across servers
so no single server gets overloaded.
Algorithms:
Round Robin -> requests go in rotation
Least Connections -> send to least busy server
IP Hash -> same user always hits same server
Real examples: AWS ALB, Nginx, HAProxy
====================================
3. CACHING
Store frequently accessed data in fast memory
to avoid hitting the database every time.
Redis -> most popular cache tool
CDN -> cache static files (images, CSS, JS)
near users geographically
Cache strategies:
Cache Aside -> app checks cache, then DB
Write Through -> write to cache + DB together
TTL (Time To Live) -> auto-expire cached data
====================================
4. DATABASE DESIGN
SQL (MySQL, PostgreSQL):
-> Structured data, ACID transactions
-> Use for: banking, orders, user accounts
NoSQL (MongoDB, DynamoDB):
-> Flexible schema, high write speed
-> Use for: chat messages, logs, catalogs
Database Sharding:
-> Split data across multiple DB servers
-> Used when one DB cannot handle load
Replication:
-> Master writes, Slaves read
-> Improves read performance + availability
====================================
5. MICROSERVICES vs MONOLITH
Monolith -> one big codebase, simple to start
Microservices -> split into small independent
services (User, Order, Payment, Notification)
When to use Microservices:
Large teams (each team owns one service)
Different scaling needs per service
Example: Netflix, Uber, Amazon all use it
====================================
6. MESSAGE QUEUES
Async communication between services
so they don't have to wait for each other.
Tools: Apache Kafka, RabbitMQ, AWS SQS
Example: Order placed -> Queue -> Notification
service sends email without slowing checkout!
====================================
7. CAP THEOREM
A distributed system can only guarantee 2 of 3:
C - Consistency (all nodes have same data)
A - Availability (always responds)
P - Partition Tolerance (survives network split)
Real systems choose CP or AP based on use case.
====================================
TOP 5 SYSTEM DESIGN INTERVIEW QUESTIONS:
1. Design URL Shortener (like bit.ly)
2. Design Instagram (image storage + feed)
3. Design WhatsApp (real-time messaging)
4. Design Uber (ride matching + maps)
5. Design Netflix (video streaming + CDN)
====================================
Save this - revise before product company rounds!
Get FREE system design projects:
https://t.me/Projectwithsourcecodes
Share with your placement batch!
#SystemDesign #SystemDesignInterview #LLD #HLD
#Microservices #Kafka #Redis #LoadBalancer
#BTech2026 #MCA2026 #BCA2026 #PlacementPrep
#ProductCompany #SDE2 #TechInterview #Scalability
#ProjectWithSourceCodes #StudentsOfIndia
Telegram
ProjectWithSourceCodes
Free Source Code Projects for Students 🚀 | Python | Java | Android | Web Dev | AI/ML | Final Year Projects | BCA • BTech • MCA | Interview Prep | Job Alerts
Website: https://updategadh.com
Website: https://updategadh.com
❤1
LIVE JOB ALERT - Apply NOW!
Fresh IT Jobs for 2025/2026 Grads!
====================================
Goldman Sachs | Engineering-L2-Hyderabad-Associate-Software Engineering | Hyderabad
Citi | Applications Development Programmer Analyst | Chennai
Oracle | Application Software Engineer 2 | Trivandrum
ValGenesis | Calling all Software Engineers! | Chennai
Amgen | Associate IS Engineer | Hyderabad
SLB | Software Engineer | Mysuru
Lennox | Associate Developer - Digital Technology | Chennai
Appian | Software Engineer II | Chennai
Meltwater | SW Engineer - Level 2 | Coimbatore
Blackhawk Network India | Software Engineer | Kozhikode
Accenture in India | Custom Software Engineer | Bengaluru
Cognizant | AI Customer Engineer | Bangalore Urban
ADScholars | AI Engineer (LLM & Agent Systems) | Hyderabad
Teksands.ai | Gen AI Engineer | Bengaluru
Recrew AI | Artificial Intelligence Engineer | Bengaluru
Sonata Software | AI Engineer | Bengaluru
Tata Consultancy Services | Gen AI developer | Chennai
CGI | Gen AI, Python Engineer (AI/LLM | FastAPI | AWS) | Hyderabad
Dusker AI | Agentic AI Developer | India
Artech L.L.C. | Python Developer | Bengaluru
====================================
APPLY HERE (No Login Needed):
Software Eng / Associate Jobs:
https://www.linkedin.com/jobs/search/?keywords=associate+software+engineer&location=India&f_E=1%2C2&f_TPR=r604800
Today's Special Search:
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====================================
HOW TO APPLY FAST:
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2. Search your skill (Java, React, Python)
3. Filter: Entry Level + Last 7 Days
4. Apply with updated resume!
Get FREE projects for your resume:
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#JobAlert #FresherJobs #ITJobs2025 #ITJobs2026
#HiringNow #SoftwareEngineer
#BTech2026 #MCA2026 #BCA2026
#ProjectWithSourceCodes #StudentsOfIndia
Fresh IT Jobs for 2025/2026 Grads!
====================================
Goldman Sachs | Engineering-L2-Hyderabad-Associate-Software Engineering | Hyderabad
Citi | Applications Development Programmer Analyst | Chennai
Oracle | Application Software Engineer 2 | Trivandrum
ValGenesis | Calling all Software Engineers! | Chennai
Amgen | Associate IS Engineer | Hyderabad
SLB | Software Engineer | Mysuru
Lennox | Associate Developer - Digital Technology | Chennai
Appian | Software Engineer II | Chennai
Meltwater | SW Engineer - Level 2 | Coimbatore
Blackhawk Network India | Software Engineer | Kozhikode
Accenture in India | Custom Software Engineer | Bengaluru
Cognizant | AI Customer Engineer | Bangalore Urban
ADScholars | AI Engineer (LLM & Agent Systems) | Hyderabad
Teksands.ai | Gen AI Engineer | Bengaluru
Recrew AI | Artificial Intelligence Engineer | Bengaluru
Sonata Software | AI Engineer | Bengaluru
Tata Consultancy Services | Gen AI developer | Chennai
CGI | Gen AI, Python Engineer (AI/LLM | FastAPI | AWS) | Hyderabad
Dusker AI | Agentic AI Developer | India
Artech L.L.C. | Python Developer | Bengaluru
====================================
APPLY HERE (No Login Needed):
Software Eng / Associate Jobs:
https://www.linkedin.com/jobs/search/?keywords=associate+software+engineer&location=India&f_E=1%2C2&f_TPR=r604800
Today's Special Search:
https://www.linkedin.com/jobs/search/?keywords=python+genai+developer&location=India&f_E=1%2C2&f_TPR=r604800
====================================
HOW TO APPLY FAST:
1. Click link above
2. Search your skill (Java, React, Python)
3. Filter: Entry Level + Last 7 Days
4. Apply with updated resume!
Get FREE projects for your resume:
https://t.me/Projectwithsourcecodes
#JobAlert #FresherJobs #ITJobs2025 #ITJobs2026
#HiringNow #SoftwareEngineer
#BTech2026 #MCA2026 #BCA2026
#ProjectWithSourceCodes #StudentsOfIndia
Linkedin
28,000+ Associate Software Engineer jobs in India
Today's top 28,000+ Associate Software Engineer jobs in India. Leverage your professional network, and get hired. New Associate Software Engineer jobs added daily.
LIVE JOB ALERT - Apply NOW!
Fresh IT Jobs for 2025/2026 Grads!
====================================
Cisco | Software Engineer | Bengaluru
Cisco | Software Engineer- (Summer Internship)- India Engineering/ EG Requisition | Bengaluru
Infosys | Python React | Bengaluru East
Infosys | Python/Python GenAI | Bengaluru East
Infosys | React JS Node JS | Bengaluru East
Aditya Birla Capital | Software Engineer | Tamil Nadu
Gravitix Tech | Software Development Engineer - Fresher | Hyderabad
MillerKnoll | Associate Software Engineer | Bengaluru
Accenture in India | Custom Software Engineer | Bengaluru
Cognizant | AI Customer Engineer | Bangalore Urban
ADScholars | AI Engineer (LLM & Agent Systems) | Hyderabad
Teksands.ai | Gen AI Engineer | Bengaluru
Recrew AI | Artificial Intelligence Engineer | Bengaluru
Sonata Software | AI Engineer | Bengaluru
Tata Consultancy Services | Gen AI developer | Chennai
CGI | Gen AI, Python Engineer (AI/LLM | FastAPI | AWS) | Hyderabad
Dusker AI | Agentic AI Developer | India
Artech L.L.C. | Python Developer | Bengaluru
====================================
APPLY HERE (No Login Needed):
Software Eng / Associate Jobs:
https://www.linkedin.com/jobs/search/?keywords=associate+software+engineer&location=India&f_E=1%2C2&f_TPR=r604800
Today's Special Search:
https://www.linkedin.com/jobs/search/?keywords=python+genai+developer&location=India&f_E=1%2C2&f_TPR=r604800
====================================
HOW TO APPLY FAST:
1. Click link above
2. Search your skill (Java, React, Python)
3. Filter: Entry Level + Last 7 Days
4. Apply with updated resume!
Get FREE projects for your resume:
https://t.me/Projectwithsourcecodes
#JobAlert #FresherJobs #ITJobs2025 #ITJobs2026
#HiringNow #SoftwareEngineer
#BTech2026 #MCA2026 #BCA2026
#ProjectWithSourceCodes #StudentsOfIndia
Fresh IT Jobs for 2025/2026 Grads!
====================================
Cisco | Software Engineer | Bengaluru
Cisco | Software Engineer- (Summer Internship)- India Engineering/ EG Requisition | Bengaluru
Infosys | Python React | Bengaluru East
Infosys | Python/Python GenAI | Bengaluru East
Infosys | React JS Node JS | Bengaluru East
Aditya Birla Capital | Software Engineer | Tamil Nadu
Gravitix Tech | Software Development Engineer - Fresher | Hyderabad
MillerKnoll | Associate Software Engineer | Bengaluru
Accenture in India | Custom Software Engineer | Bengaluru
Cognizant | AI Customer Engineer | Bangalore Urban
ADScholars | AI Engineer (LLM & Agent Systems) | Hyderabad
Teksands.ai | Gen AI Engineer | Bengaluru
Recrew AI | Artificial Intelligence Engineer | Bengaluru
Sonata Software | AI Engineer | Bengaluru
Tata Consultancy Services | Gen AI developer | Chennai
CGI | Gen AI, Python Engineer (AI/LLM | FastAPI | AWS) | Hyderabad
Dusker AI | Agentic AI Developer | India
Artech L.L.C. | Python Developer | Bengaluru
====================================
APPLY HERE (No Login Needed):
Software Eng / Associate Jobs:
https://www.linkedin.com/jobs/search/?keywords=associate+software+engineer&location=India&f_E=1%2C2&f_TPR=r604800
Today's Special Search:
https://www.linkedin.com/jobs/search/?keywords=python+genai+developer&location=India&f_E=1%2C2&f_TPR=r604800
====================================
HOW TO APPLY FAST:
1. Click link above
2. Search your skill (Java, React, Python)
3. Filter: Entry Level + Last 7 Days
4. Apply with updated resume!
Get FREE projects for your resume:
https://t.me/Projectwithsourcecodes
#JobAlert #FresherJobs #ITJobs2025 #ITJobs2026
#HiringNow #SoftwareEngineer
#BTech2026 #MCA2026 #BCA2026
#ProjectWithSourceCodes #StudentsOfIndia
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28,000+ Associate Software Engineer jobs in India
Today's top 28,000+ Associate Software Engineer jobs in India. Leverage your professional network, and get hired. New Associate Software Engineer jobs added daily.
TRENDING TECH NEWS TODAY
What Every CS Student Must Know!
====================================
1. POLITICIAN WHO INVESTIGATED SPYWARE ABUSES HAD HIS PHONE HACKED WITH PEGASUS SPYWARE
A government customer of NSO Group used the company's Pegasus spyware to hack into the phone of a European politician, who at the time was serving on an EU committee tasked with investigating the spyware industry.
------------------------------------
2. Last chance to apply — Startup Battlefield Australia applications close July 6
If you're going to apply for Startup Battlefield Australia, now is the time. Applications close July 6, and once the deadline passes, the opportunity is gone.
------------------------------------
3. Mark Zuckerberg tells staff that AI agents haven’t progressed as quickly as he’d hoped
At an internal meeting, the Meta CEO reportedly said that AI development efforts were not moving as quickly as anticipated.
------------------------------------
4. Private space pilots are flying orbital missions for the US Space Force
True Anomaly and Rocket Lab are performing Top Gun-style satellite fly-bys for the U.S. military.
------------------------------------
5. Thiel Capital’s Jack Selby nabs stakes in hot startups like Etched through Arizona connections
Selby's VC firm, Copper Sky Capital, is currently raising a $300 million second fund, according to a regulatory filing.
====================================
KEY TAKEAWAY FOR CS STUDENTS:
Tech changes weekly - the students who stay
updated and keep building projects are the
ones who get hired first!
====================================
Free projects to build your portfolio:
https://t.me/Projectwithsourcecodes
#TechNews #AINews #TechUpdates #FutureOfWork
#BTech2026 #MCA2026 #BCA2026
#ProjectWithSourceCodes #StudentsOfIndia
What Every CS Student Must Know!
====================================
1. POLITICIAN WHO INVESTIGATED SPYWARE ABUSES HAD HIS PHONE HACKED WITH PEGASUS SPYWARE
A government customer of NSO Group used the company's Pegasus spyware to hack into the phone of a European politician, who at the time was serving on an EU committee tasked with investigating the spyware industry.
------------------------------------
2. Last chance to apply — Startup Battlefield Australia applications close July 6
If you're going to apply for Startup Battlefield Australia, now is the time. Applications close July 6, and once the deadline passes, the opportunity is gone.
------------------------------------
3. Mark Zuckerberg tells staff that AI agents haven’t progressed as quickly as he’d hoped
At an internal meeting, the Meta CEO reportedly said that AI development efforts were not moving as quickly as anticipated.
------------------------------------
4. Private space pilots are flying orbital missions for the US Space Force
True Anomaly and Rocket Lab are performing Top Gun-style satellite fly-bys for the U.S. military.
------------------------------------
5. Thiel Capital’s Jack Selby nabs stakes in hot startups like Etched through Arizona connections
Selby's VC firm, Copper Sky Capital, is currently raising a $300 million second fund, according to a regulatory filing.
====================================
KEY TAKEAWAY FOR CS STUDENTS:
Tech changes weekly - the students who stay
updated and keep building projects are the
ones who get hired first!
====================================
Free projects to build your portfolio:
https://t.me/Projectwithsourcecodes
#TechNews #AINews #TechUpdates #FutureOfWork
#BTech2026 #MCA2026 #BCA2026
#ProjectWithSourceCodes #StudentsOfIndia
Telegram
ProjectWithSourceCodes
Free Source Code Projects for Students 🚀 | Python | Java | Android | Web Dev | AI/ML | Final Year Projects | BCA • BTech • MCA | Interview Prep | Job Alerts
Website: https://updategadh.com
Website: https://updategadh.com
5 TRENDING AI & GENAI PROJECTS
Build These to Get Hired in 2025-26!
====================================
PROJECT 1: AI Interview Coach
Tech: Python + Gemini API + Streamlit
Build: Mock interview Q&A, answer feedback, HR + technical rounds
====================================
PROJECT 2: Document Q&A Bot (RAG)
Tech: Python + LangChain + ChromaDB
Build: Upload PDF, ask questions, retrieval-augmented answers
====================================
PROJECT 3: AI Image Caption Generator
Tech: Python + Vision Transformer
Build: Auto-generate captions for images, accessibility use case
====================================
PROJECT 4: Voice Assistant App
Tech: Python + Whisper + Gemini
Build: Speech-to-text, AI answers, text-to-speech replies
====================================
PROJECT 5: AI Code Reviewer
Tech: Python + Gemini API + GitHub API
Build: Auto-review pull requests, suggest fixes, style checks
====================================
Each project = 1 strong resume line +
1 great interview story. Start this weekend!
Want full source code for these projects?
https://t.me/Projectwithsourcecodes
Comment which project you want next!
#Projects #FinalYearProject #Coding
#BTech2026 #MCA2026 #BCA2026
#ProjectWithSourceCodes #StudentsOfIndia
Build These to Get Hired in 2025-26!
====================================
PROJECT 1: AI Interview Coach
Tech: Python + Gemini API + Streamlit
Build: Mock interview Q&A, answer feedback, HR + technical rounds
====================================
PROJECT 2: Document Q&A Bot (RAG)
Tech: Python + LangChain + ChromaDB
Build: Upload PDF, ask questions, retrieval-augmented answers
====================================
PROJECT 3: AI Image Caption Generator
Tech: Python + Vision Transformer
Build: Auto-generate captions for images, accessibility use case
====================================
PROJECT 4: Voice Assistant App
Tech: Python + Whisper + Gemini
Build: Speech-to-text, AI answers, text-to-speech replies
====================================
PROJECT 5: AI Code Reviewer
Tech: Python + Gemini API + GitHub API
Build: Auto-review pull requests, suggest fixes, style checks
====================================
Each project = 1 strong resume line +
1 great interview story. Start this weekend!
Want full source code for these projects?
https://t.me/Projectwithsourcecodes
Comment which project you want next!
#Projects #FinalYearProject #Coding
#BTech2026 #MCA2026 #BCA2026
#ProjectWithSourceCodes #StudentsOfIndia
Telegram
ProjectWithSourceCodes
Free Source Code Projects for Students 🚀 | Python | Java | Android | Web Dev | AI/ML | Final Year Projects | BCA • BTech • MCA | Interview Prep | Job Alerts
Website: https://updategadh.com
Website: https://updategadh.com