No HLD, no Job

Save this roadmap — it’ll literally decide your interview outcome.

https://www.linkedin.com/posts/rajatgajbhiye_no-hld-no-job-save-this-roadmap-itll-activity-7343995573085044736-picw

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I screwed up 3 interviews because I couldn't explain my projects properly

Here is how you can explain your project in an interview

https://www.linkedin.com/posts/rajatgajbhiye_i-screwed-up-3-interviews-because-i-couldnt-activity-7344249404091969536-f2vT

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Oracle Interview Experience
Compensation: 30L
Position: Member of Technical Staff
Application Method: Direct Application

https://www.linkedin.com/posts/rajatgajbhiye_oracle-interview-experience-compensation-activity-7344356387285544961-11bX

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Without Leetcode, you cannot pass interviews.

Without side projects, your resume will not stand out.

Should you focus on LeetCode or build another project? To get your first job, you need a mix of both.

But the real problem? Many people don’t know what to build.

I’ve been there too.. motivated to start coding but stuck staring at my screen, Googling "best programming projects" and eventually ending up watching YouTube videos instead.

This cycle continues until you start building.

To break this cycle, here’s a list of projects to boost your portfolio + DSA patterns to crack coding interviews.

𝟭𝟬 𝗖𝗼𝗱𝗶𝗻𝗴 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝘁𝗼 𝗕𝘂𝗶𝗹𝗱 𝗬𝗼𝘂𝗿 𝗥𝗲𝘀𝘂𝗺𝗲

𝟭𝟯 𝗖𝗼𝗱𝗶𝗻𝗴 𝗣𝗮𝘁𝘁𝗲𝗿𝗻𝘀 𝘁𝗼 𝗖𝗿𝗮𝗰𝗸 𝗜𝗻𝘁𝗲𝗿𝘃𝗶𝗲𝘄𝘀

https://www.linkedin.com/posts/rajatgajbhiye_without-leetcode-you-cannot-pass-interviews-activity-7344587170747183105-JncV

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Design Zomato? Design Netflix?

No, start with these 3 underrated problems.

Everyone jumps to building complicated systems on day one of system design prep.

But no one talks about the real learning in the underrated ones.

Here are 3 simple but most-asked problems to start with:

https://www.linkedin.com/posts/rajatgajbhiye_design-zomato-design-netflix-no-start-activity-7344723718503301121-UNiz

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I wanted to learn Software Engineering, so I watched 100+ videos on YouTube.

80% of them were a complete waste of time.

But this 9-playlist will teach you more skills than a 4-year degree.

https://www.linkedin.com/posts/rajatgajbhiye_i-wanted-to-learn-software-engineering-so-activity-7344945216123994112-h12l

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DSA on SUNDAY

40 most asked DSA questions to clear your next interview

https://www.linkedin.com/posts/rajatgajbhiye_dsa-on-sunday-40-most-asked-dsa-questions-activity-7345081154716217344-HlAG

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Mindtickle Interview Experience
Compensation: 38L
Position: SDE 2

https://www.linkedin.com/posts/rajatgajbhiye_mindtickle-interview-experience-compensation-activity-7345304859039993856-0ppv

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Projects in 𝗦𝘆𝘀𝘁𝗲𝗺 𝗗𝗲𝘀𝗶𝗴𝗻 and 𝗠𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀 that will stand out in an interview.

https://www.linkedin.com/posts/rajatgajbhiye_projects-in-%F0%9D%97%A6%F0%9D%98%86%F0%9D%98%80%F0%9D%98%81%F0%9D%97%B2%F0%9D%97%BA-%F0%9D%97%97%F0%9D%97%B2%F0%9D%98%80%F0%9D%97%B6%F0%9D%97%B4%F0%9D%97%BBand-activity-7345443519559319554-o0mz

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Leetcode was HARD

Until I found these 14 Problem-Solving Patterns

https://www.linkedin.com/posts/rajatgajbhiye_leetcode-was-hard-until-i-found-these-14-activity-7345662442007420930-qZ94

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Trust me, System Design is not HARD.

If you follow these 5 steps

https://www.linkedin.com/posts/rajatgajbhiye_trust-me-system-design-is-not-hard-if-activity-7345805909765320705-PCg8

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Spring Boot Roadmap

https://www.linkedin.com/posts/rajatgajbhiye_spring-boot-roadmap-phase-1-basics-activity-7346040726654189569-Ez43

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I wish I had a cheat sheet like this when I was prepping for System Design Interviews

Trust me, it would’ve saved me so much time. But now, I’m sharing it with you.

https://www.linkedin.com/posts/rajatgajbhiye_system-design-cheatsheet-activity-7346171909996216320-I-v7

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System Design used to scare me.

I remember preparing for my first few interviews — reading random blogs, watching hours of YouTube videos, and still feeling lost when someone asked me about CAP or caching strategies. 😓

That’s when I realized…

System design isn’t about knowing everything. It’s about understanding the right things deeply.

Over time, I figured out that 80% of system design interview questions come from just 20% of concepts.

So, I created this guide:
Focused. Structured. Real-world backed.

Here’s what’s inside👇

✅ 4-Step Roadmap (esp. if your interview is in 15 days)
✅ 15+ core concepts broken down in simple terms
✅ Basics → Advanced (CAP, Queues, Microservices, Caching, DBs, etc.)
✅ 50 System Design Q&A (with diagrams + examples)
✅ Ultimate Cheat Sheet for quick revisions

Use the coupon code SDE10 to get a 10% discount (limited slots only)

Check out the Guide here: https://topmate.io/rajat_gajbhiye/1446625

One important note to all SDE1/ SDE2

While working for your company, don't forget to revise DSA, System Design, and OS/CN.

To help you out, here are some useful resources:

https://www.linkedin.com/posts/rajatgajbhiye_one-important-note-to-all-sde1-sde2-while-activity-7346533980671729664-tenY

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DSA a day can keep interview rejection away.

https://www.linkedin.com/posts/rajatgajbhiye_dsa-a-day-can-keep-interview-rejection-away-activity-7346767575122436097-3lt0

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I screwed up 2 interviews because I didn’t solve my Low-Level Design (LLD) problems properly.

Here is a complete roadmap for learning Low-Level Design (LLD):

https://www.linkedin.com/posts/rajatgajbhiye_i-screwed-up-2-interviews-because-i-didn-activity-7346898981722935296-5Frd

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Everything works fine… until that one broken pipeline shows up.😅
And guess who everyone’s looking at? 𝗧𝗵𝗲 𝗗𝗮𝘁𝗮 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿!

https://www.linkedin.com/posts/rajatgajbhiye_dataengineering-careerswitch-kafka-activity-7347101362733641728-XHum

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Atlassian Interview Experience
Compensation: 54L + 9
Position: Senior Software Engineer
Application Method: Direct Application

https://www.linkedin.com/posts/rajatgajbhiye_atlassian-interview-experience-compensation-activity-7347255496329814017-l09E

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These 22 System Design patterns cover 90% of the interviews you’ll ever face 👇

https://www.linkedin.com/posts/rajatgajbhiye_these-22-system-design-patterns-cover-90-activity-7347474388402778112-VYgG

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If anybody is saying System Design is overrated in software engineering, ask them to give few interviews, be it for SDE/SDE2/SDE3 role.

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-7347888224213565440-8xpE

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