Nikita From Kharagpur to Navi Neo-Bank (2026)

From a small-town B.Tech student in Kharagpur to a software engineer at one of India's fastest-growing neo-banks, Nikita's journey is a blueprint for countless Indian students. Her story isn't about extraordinary genius, but about strategically leveraging free resources, building a focused portfolio, and cracking the fintech code. In just a few years, she went from solving textbook problems to building systems that handle millions of transactions at Navi. Here’s how she navigated the overwhelming sea of options to land a coveted role in the dynamic fintech sector.

The Foundation: Mastering Core CS Without Paid Courses

Nikita knew her campus curriculum was a solid base, but not enough for the competitive world of Flipkart, Paytm, or Navi. Instead of spending on expensive bootcamps, she built an unbeatable foundation for free.

She started with NPTEL's "Programming in Java" and "Data Structures And Algorithms" courses, treating the video lectures and assignments with the same seriousness as her semester exams. For concepts that needed a different explanation, she turned to trusted YouTube channels. Gate Smashers made operating systems and computer networks click, while Jenny's Lectures provided crystal-clear tutorials on DBMS and OOP concepts.

Her daily routine included:

• Morning Theory: 1 hour of NPTEL/SWAYAM or YouTube lectures.
• Afternoon Practice: Solving problems on platforms like freeCodeCamp for web basics and HackerRank for DSA.
• Evening Revision: Making digital notes on Notion for quick revision before interviews.

This disciplined, resourceful approach ensured her core Computer Science knowledge was rock-solid, making her ready for the technical grilling of top tech companies.

The Fintech Focus: Learning the Domain Inside-Out

Aiming for companies like Razorpay, Zerodha, and Navi required more than just DSA. Nikita needed to understand the fintech domain. She realized that interviewers look for candidates who show genuine curiosity about the industry.

She dedicated time to learn the key pillars of financial technology. Using Coursera Financial Aid, she audited courses like "Financial Technology (Fintech) Innovations" from the University of Michigan. On edX, she explored modules on payments and blockchain. More importantly, she followed fintech news daily, reading about UPI, Aadhaar Enabled Payment System (AEPS), and digital lending.

She understood that fintech problems are often about:

• Security & Encryption: How to safely transmit financial data.
• Low-Latency Systems: Ensuring real-time payment processing.
• Scalability: Building systems that can handle festival sale traffic or market opening rushes.

This domain knowledge allowed her to frame her technical answers in a business context, a trait that immediately set her apart from other candidates.

The Project Portfolio: From Tutorials to Real-World Solutions

Nikita's resume didn't just list her coursework. It showcased projects that screamed "fintech-ready." She moved beyond basic to-do list apps to build systems that solved tangible problems.

Her portfolio included three key projects:

1. A UPI Transaction Simulator: Built a full-stack web app simulating request/response flows between a bank, NPCI, and a payment app. This demonstrated her understanding of India's payment infrastructure.
2. Personal Finance Dashboard: Integrated with dummy stock APIs to visualize portfolio performance, using charting libraries. This highlighted her data handling and UI skills.
3. Secure Auth Microservice: Implemented OAuth 2.0, JWT tokens, and rate-limiting—critical for any banking app.

She hosted all her projects on GitHub with detailed READMEs explaining the problem, her tech stack (like React, Node.js, MongoDB), and the fintech principle it demonstrated. These projects became the centerpiece of every interview discussion.

Cracking the Interview: DSA + System Design + Domain

The interview process for top fintech firms is a three-legged stool: Data Structures & Algorithms, System Design, and Domain Knowledge. Nikita prepared for each pillar methodically.

For DSA, she followed the famous Striver (takeUforward) SDE Sheet, solving nearly 400 problems. She focused on patterns—sliding window, two pointers, DP—rather than memorizing solutions. Her goal was to solve 2 medium problems in a 45-minute interview slot.

For System Design, she started with CodeWithHarry's beginner-friendly system design videos to grasp concepts like load balancers and caching. She then practiced designing systems relevant to fintech, such as:

• How would you design a splitwise-like app?
• Design a rate limiter for an API gateway.
• How does a stock ticker work in real-time?

For Domain & HR Rounds, she prepared stories around her projects, her motivation for fintech, and her understanding of the company's products. For Navi, she researched their instant personal loans and zero-commission mutual funds, ready to discuss how technology enables these services.

The Offer and Beyond: Navigating Compensation and Growth

After a rigorous process involving online assessments, technical phone screens, and virtual onsite rounds, Nikita received an offer from Navi. For a fresher in the fintech sector, she landed a competitive package. While exact figures vary, fresher roles in top fintech firms like Navi, Razorpay, and Freshworks typically range from ₹12 LPA to ₹20+ LPA CTC, depending on the role and interview performance.

Her entry into Navi was just the beginning. The fintech sector offers rapid growth for skilled engineers. Career paths can quickly lead to:

• Senior Software Engineer specializing in backend payments or fraud detection.
• Tech Lead managing a product vertical like lending or insurance tech.
• Product Manager roles for those who develop business acumen alongside technical skills.

The exposure to high-scale, secure systems makes fintech engineers highly valued, not just within the sector but also in adjacent domains like e-commerce (Swiggy, Zomato) and traditional IT giants (TCS, Infosys, Wipro) that are building their own digital finance solutions.

Next Steps

Nikita's story proves that with the right strategy, free resources are more than enough to build a stellar career. Your journey starts with the first step. Browse hundreds of free courses on programming and fintech to build your foundation. Then, explore success stories from other domains for more inspiration and tailored roadmaps. Ready to build? Check out project ideas and learning paths to structure your preparation like Nikita did.