Shubham From Tirupati to InMobi SDE (2026)

Imagine this: you're a B.Tech student in a tier-2 city, scrolling through LinkedIn, seeing peers land dream jobs at InMobi, Flipkart, or Zerodha. The gap feels massive. For Shubham, a student from Tirupati, that was reality just a few years ago. Today, he's secured a Software Development Engineer (SDE) offer at InMobi for 2026. His journey wasn't about expensive bootcamps or elite connections; it was built on a strategic, disciplined plan using free resources available to every Indian student. This is a blueprint you can follow.

The Foundation: Mastering Core CS Concepts

Shubham knew that cracking top product-based companies requires a rock-solid understanding of fundamentals, not just last-minute coding tricks. He focused on building depth in Data Structures and Algorithms (DSA), Operating Systems (OS), and Database Management Systems (DBMS).

Free Resources He Used for DSA & Problem-Solving

Instead of paying for costly courses, he leveraged India's vibrant free education ecosystem.

• YouTube Channels: He followed Striver (takeUforward) for his structured DSA sheet and dynamic programming mastery, and CodeWithHarry for clear, beginner-friendly explanations of complex topics.
• Practice Platforms: Consistent practice on GeeksforGeeks and LeetCode was non-negotiable. He started with easy problems and gradually moved to medium and hard, focusing on patterns rather than memorizing solutions.
• Mock Tests: He regularly took part in contests on CodeChef and Codeforces to improve his speed and accuracy under pressure—a critical skill for technical interviews.

System Design & CS Fundamentals

For roles at companies like InMobi, understanding how systems work is crucial. Shubham supplemented his college syllabus with:

• NPTEL courses on "Database Management System" and "Computer Networks" for authoritative, IIT-grade knowledge.
• Gate Smashers and Jenny's Lectures on YouTube for quick revisions of OS and DBMS concepts.
• freeCodeCamp's backend development projects to see how theory translates into building actual systems.

The Project Portfolio: Building a Compelling Narrative

A strong resume isn't just a list of courses; it's a story told through projects. Shubham built 3-4 substantial projects that demonstrated full-stack capabilities and problem-solving.

1. Identify a Real Problem: He built a web app to manage local hostel amenities, solving a pain point he saw around him.
2. Use In-Demand Tech Stack: He taught himself the MERN stack (MongoDB, Express.js, React, Node.js) using tutorials from Apna College and documentation.
3. Deploy and Document: He hosted his projects on platforms like Vercel or Heroku (free tiers) and maintained clean code repositories on GitHub with detailed README files.

His projects showcased skills directly relevant to companies like Swiggy, Razorpay, or Freshworks, moving him beyond generic college assignments.

Cracking the Internship & Placement Cycle

Getting the InMobi offer started with securing a pivotal internship. Shubham's strategy was systematic and relentless.

Resume Crafting and Application Strategy

He tailored his one-page resume for each application, highlighting projects and DSA ratings. He applied extensively on:

• Company career pages (Accenture, Wipro, HCL have large internship programs).
• Platforms like Internshala and AngelList.
• LinkedIn, by connecting with recruiters and alumni from his college working at target companies.

Acing the Technical Interview

His interview preparation followed a strict routine:

1. Daily DSA Practice: Minimum of 3-4 quality problems, focusing on different topics each day.
2. Mock Interviews: He practiced with peers, simulating real interview conditions—explaining his thought process aloud.
3. Company-Specific Prep: Before his InMobi interviews, he researched their tech blog, understood their ad-tech domain, and prepared questions on scalability and concurrency, which are key for their systems.

The Mindset and Discipline Factor

Beyond resources, Shubham's daily habits made the difference. He maintained a 6-8 hour focused study schedule, used the Pomodoro technique, and prioritized consistency over cramming. He actively participated in coding communities on Discord and Telegram, which provided moral support, peer learning, and updates on hiring drives. He also learned from rejections; each interview was a learning opportunity to identify weak areas.

Leveraging Free Certifications for Credibility

While projects are king, certifications from recognized platforms add credibility to a resume. Shubham selectively completed free certifications by applying for financial aid or using India's national portals.

• He earned a Coursera certificate in "Algorithms Specialization" by Stanford through Coursera Financial Aid.
• He completed relevant courses on NPTEL and SWAYAM, which are highly respected by Indian recruiters at firms like TCS and Infosys.
• He used Khan Academy for brushing up on computer science fundamentals and mathematics.

Next Steps

Shubham's story proves that with the right plan, the resources are already at your fingertips. Your journey starts today.

• Build Your Foundation: Start with a structured DSA plan. Browse our curated list of free DSA courses to begin.
• Start a Project This Weekend: Pick a tech stack and build something small. Need inspiration? Explore project-based learning paths here.
• Prepare for the Hunt: Polish your resume and begin applying. For guidance, check out our collection of interview preparation resources.