I have researched lots of product-based companies, Amazon, Microsoft, Netflix, Zomato, Goldman Sachs, Paytm, J.P. Morgan, etc., for SDE-1 and 2 roles, and found that these 20 system design questions are almost asked in every interview, both at the fresher and experienced levels.

https://www.linkedin.com/posts/rajatgajbhiye_i-have-researched-lots-of-product-based-companies-activity-7362332279987146754-HTDr

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You don’t go deeper than StackOverflow fixes
You don’t study OS, networks, or databases properly
You don’t practice DSA or system design

https://www.linkedin.com/posts/rajatgajbhiye_you-dont-go-deeper-than-stackoverflow-fixes-activity-7362483913698476033-e9w2

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No matter if you have 1, 2, or 5 years of experience.

Truth is:

https://www.linkedin.com/posts/rajatgajbhiye_no-matter-if-you-have-1-2-or-5-years-of-activity-7362696382127759361-I1Cu

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One day, you’ll sit in an interview and they’ll ask: “Design Netflix.”

And in that moment… you’ll either smile, or you’ll panic.

That smile comes only if you’ve prepared the right way.

That’s why I put together the System Design Comprehensive Guide.

People from this same community are already using it to crack interviews.

Don’t be the one left behind.
- https://lnkd.in/dte69Z5N

Microsoft pays around 30-45LPA for SDE-1 and 50-65LPA for SDE-2

This is the classic question they generally ask

https://www.linkedin.com/posts/rajatgajbhiye_microsoft-pays-around-30-45lpa-for-sde-1-activity-7362851658634088448-Er-v

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Zoho Interview Experience
Role: Software Engineer (Backend, Distributed Systems)
Compensation: 25LPA
Experience Level: 5+ years

https://www.linkedin.com/posts/rajatgajbhiye_zoho-interview-experience-role-software-activity-7363084487053688832-jr07

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System Design is so easy when you follow these 5 steps.

https://www.linkedin.com/posts/rajatgajbhiye_system-design-is-so-easy-when-you-follow-activity-7363203098397368320-8J9D

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Give me 2 minutes,

I’ll tell you how to get interview calls

https://www.linkedin.com/posts/rajatgajbhiye_give-me-2-minutes-ill-tell-you-how-to-activity-7363441034367762432-2vHX

Get your resume reviewed ❤️

Guys, real talk
DSA alone won’t get you into top companies.

You’ll clear coding rounds, but then they’ll ask you:
“Design WhatsApp… design Uber… design Instagram.”

And that’s where most people freeze.

That’s exactly why I made the System Design Guide.
It breaks down those scary interview questions into simple, repeatable patterns.

Trust me, this is the shortcut I wish I had when I started.
- https://lnkd.in/dte69Z5N

If anybody is saying System Design is overrated in software engineering, ask them to sit in 2-3 interviews for SDE2/SDE3

They quickly realize that mastery of DSA alone won’t land the job at top PBCs.

https://www.linkedin.com/posts/rajatgajbhiye_if-anybody-is-saying-system-design-is-overrated-activity-7363791853923545089-HJAG

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These 35 questions are the difference between ₹6 LPA and ₹20 LPA.

https://www.linkedin.com/posts/rajatgajbhiye_these-35-questions-are-the-difference-between-activity-7363934638303535105-wYzN

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System Design Interview Questions

https://www.linkedin.com/posts/rajatgajbhiye_system-design-interview-questions-%F0%9D%90%84%F0%9D%90%9A-activity-7364165798120050691-EHt3

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Once you fall for System Design and Actual Software Engineering, you get bored learning or revising DSA.

Actually 80% of system design interview questions come from just 20% of topics? My guide will help you focus on what really matters.

𝗪𝗵𝗮𝘁’𝘀 𝗜𝗻𝘀𝗶𝗱𝗲?

𝗣𝗔𝗥𝗧 𝟭: 𝟰-𝗦𝘁𝗲𝗽 𝗥𝗼𝗮𝗱𝗺𝗮𝗽 (𝗜𝗳 𝗬𝗼𝘂𝗿 𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄 𝗜𝘀 𝗶𝗻 𝟭𝟱 𝗗𝗮𝘆𝘀)

1. How to Approach a System Design Interview
2. 15 Fundamental System Design Concepts
3. 3-Step Framework for System Design Interviews
4. Real-World System Design Examples

𝗣𝗔𝗥𝗧 𝟮: 𝗨𝗻𝗱𝗲𝗿𝘀𝘁𝗮𝗻𝗱 𝗦𝘆𝘀𝘁𝗲𝗺 𝗗𝗲𝘀𝗶𝗴𝗻 𝗳𝗿𝗼𝗺 𝗕𝗮𝘀𝗶𝗰𝘀 𝘁𝗼 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱

𝗦𝘆𝘀𝘁𝗲𝗺 𝗗𝗲𝘀𝗶𝗴𝗻 𝗧𝗼𝗽𝗶𝗰𝘀 𝗖𝗼𝘃𝗲𝗿𝗲𝗱:
1. Introduction to System Design
2. Scalability and Performance
3. Latency and Throughput
4. Architectural Patterns
5. Availability and Availability Patterns
6. Replication
7. Consistency and Consistency Patterns
8. CAP Theorem
9. PACELC Theorem
10. Database and Storage
11. Relational Databases
12. Scaling Databases
13. Sharding and Partitioning
14. Non-Relational Databases
15. Choosing the Right Database
16. Caching
17. Asynchronous Processing
18. Message Queues (Kafka, RabbitMQ)
19. Monolithic vs. Microservices Architecture
20. Event-Driven Architecture
21. API Gateway and Backend for Frontend
22. REST, GraphQL, and gRPC
23. Long Polling, WebSockets, Server-Sent Events
24. Design Patterns
25. Resiliency
26. Designing for Resiliency
27. Load Balancers
28. Circuit Breakers
29. System Essentials
30. Consistent Hashing
31. Real-World Architectures & Engineering Blogs

𝗣𝗔𝗥𝗧 𝟯: 𝗨𝗹𝘁𝗶𝗺𝗮𝘁𝗲 𝗖𝗵𝗲𝗮𝘁 𝗦𝗵𝗲𝗲𝘁
This quick-reference cheat sheet covers the most important system design concepts, making it easy to review key points right before your interview.

𝗣𝗔𝗥𝗧 𝟰: 𝟱𝟬 𝗗𝗲𝘁𝗮𝗶𝗹𝗲𝗱 𝗤&𝗔 𝗳𝗼𝗿 𝗟𝗟𝗗 𝗮𝗻𝗱 𝗛𝗟𝗗
50 carefully selected interview questions, covering both Low-Level Design (LLD) and High-Level Design (HLD). Each question comes with:
- Clear explanations
- Diagrams for better understanding
- Real-world examples
- Practical insights to simplify complex topics

Do check out:
- https://topmate.io/rajat_gajbhiye/1446625?coupon_code=SD20

Code: SD20

22 LPA at Deloitte

These were the EXACT questions asked in 2025

https://www.linkedin.com/posts/rajatgajbhiye_22-lpa-at-deloitte-these-were-the-exact-activity-7364294073009999872-l9rq

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My friend switched from Support to Software Developer and got placed at 15 LPA.

Here is the roadmap I told him to follow:

https://www.linkedin.com/posts/rajatgajbhiye_my-friend-switched-from-support-to-software-activity-7364519881876078592-4oK4

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How to deal with a 90-day notice period?

- Set your notice period to 15 days or less.
- Don't resign blindly.
- Start giving interviews for every call you get.
- Once you feel confident that you can crack interviews, then resign.
(Because with a 90-day notice, most of the time, except for some companies that consider you resign in uncertainty)
- Tell HR that your project is ending in 15-20 days, so you can exit early.
- Crack multiple offers. Because one offer might not wait, but the other one will.
- 90 days is not always fixed. Sometimes, you can reduce it by using a buyout or by utilizing your earned leave.
- You can also give a personal reason (like family situation or relocation), but say it politely and don’t spoil relationships.
- Offer a smooth handover, documentation, and knowledge transfer. Ensure a smooth exit from your current employer.
- Negotiate smartly: use your new offer as leverage, explore buyout options, and ask your new employer if they can reimburse. (MNCs often do)

Multiple offers + smart negotiation = 15–30 day exit (even if your contract says 90).

And while serving your notice period… use that time to prepare. Most rejections don’t happen in DSA; they happen in System Design.

𝗧𝗵𝗮𝘁’𝘀 𝘄𝗵𝘆 𝗜 𝗯𝘂𝗶𝗹𝘁 𝗺𝘆 𝗦𝘆𝘀𝘁𝗲𝗺 𝗗𝗲𝘀𝗶𝗴𝗻 𝗚𝘂𝗶𝗱𝗲, 𝗮 𝘀𝗶𝗺𝗽𝗹𝗲, 𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲𝗱 𝘄𝗮𝘆 𝘁𝗼 𝗰𝗿𝗮𝗰𝗸 𝗶𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄𝘀.

𝗖𝗵𝗲𝗰𝗸 𝗶𝘁 𝗼𝘂𝘁 𝗵𝗲𝗿𝗲:
- https://lnkd.in/dte69Z5N

55 LPA at Atlassian

These were the EXACT questions asked in 2025.

https://www.linkedin.com/posts/rajatgajbhiye_55-lpa-at-atlassian-these-were-the-exact-activity-7364871648086310913-KM-3

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If you want a 40+ LPA role at Google, you need System Design.
If you want a 35+ LPA role at Microsoft, you need System Design.
If you want a 30+ LPA role at Walmart… you still need System Design.

https://www.linkedin.com/posts/rajatgajbhiye_if-you-want-a-40-lpa-role-at-google-you-activity-7365018459098800128-6nZ5

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System Design Interviews were difficult,

Until I know these 23 principles.

https://www.linkedin.com/posts/rajatgajbhiye_system-design-interviews-were-difficult-activity-7365369485739835393-7A4U

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Comment if you know more :)

𝟵𝟬% 𝗼𝗳 𝗝𝗮𝘃𝗮 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿𝘀 𝗙𝗮𝗶𝗹 𝗧𝗵𝗶𝘀 𝗢𝗻𝗲 𝗤𝘂𝗲𝘀𝘁𝗶𝗼𝗻.

https://www.linkedin.com/posts/rajatgajbhiye_%F0%9D%9F%B5%F0%9D%9F%AC-%F0%9D%97%BC%F0%9D%97%B3-%F0%9D%97%9D%F0%9D%97%AE%F0%9D%98%83%F0%9D%97%AE-%F0%9D%97%97%F0%9D%97%B2%F0%9D%98%83%F0%9D%97%B2%F0%9D%97%B9%F0%9D%97%BC%F0%9D%97%BD%F0%9D%97%B2%F0%9D%97%BF%F0%9D%98%80-activity-7365598693086978050-SjJ3

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