My Journey with StockKar
Apr 18, 2025
In early 2025, I was approached to work on StockKar — a freelance project with an ambitious goal:
To build a high-performance, enterprise-level stock market analytics platform tailored for the Indian market.
As a solo developer, I took complete ownership of the technical side — from backend architecture to frontend development — turning complex requirements into a real, working product.
What I Built
The project started with deep integration of the Accord Fintech API, which provided all raw and historical stock market data. I designed and optimized a custom PostgreSQL database with over 39 structured tables to store data like stock prices, company financials, shareholding patterns, and indices.
For the backend, I used FastAPI, setting up scalable APIs and custom screeners like:
Demand Checker – highlights where big investors are likely taking positions.
Health Checker – summarizes a stock’s overall financial and technical strength.
Global Filter – lets users search and screen stocks in real-time based on multiple parameters like PE ratio, ROE, Volume, EMA, and more.
I implemented cron jobs to ensure all data stays up-to-date daily, and added WhatsApp OTP login, Google Sign-In, and full JWT-based authentication for users.
The frontend was built using Next.js 15 (App Router) with TailwindCSS and ShadCN UI, making the interface responsive, clean, and user-friendly. I also added features like:
Trading journal for users
Multiple custom watchlists
Role-based access and subscription plans using PayU
Why This Project Mattered
Working on StockKar was more than just coding—it pushed me to work like a tech team of one, building everything from scratch, ensuring performance, scalability, and clarity across the platform.
It helped me sharpen my skills in backend engineering, frontend development, API integrations, system design, and project ownership.
Even though StockKar isn’t my personal product, I treated it like one—because that’s how I approach every freelance project.
