Kunal Kumar
Full-Stack Developer Building Scalable Web, Mobile
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Government Exam Mock Test App – Scalable Mobile Platform for Competitive Exams
I developed a complete subscription-based mobile platform for Indian government exam preparation (SSC, Banking, Railways, UPSC, etc.).
This cross-platform app helps students take realistic timed mock tests with instant results and detailed performance analytics.
Key Features Delivered:
• Full mobile app (Android + iOS) with smooth offline support
• Real-time timed mock tests with question banks
• Secure subscription system and payment integration
• Admin dashboard for managing exams, users, and content
• High-concurrency handling for thousands of simultaneous test-takers
• Detailed performance analytics and progress tracking
Built as a robust, scalable solution using modern cross-platform technologies. The platform supports multiple subscription tiers and delivers a seamless experience even during peak exam seasons.
This project showcases my ability to build production-grade mobile applications, backend systems, payment integrations, and admin panels that handle real user load.
Perfect for edtech startups and coaching institutes preparing students for competitive government exams in India.
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Offline AI Audio Transcriber – Local LLM-Powered Speech-to-Text Tool
I built a fully offline, privacy-first AI Audio Transcriber for clients who handle sensitive audio data.
This desktop application converts audio recordings into accurate, structured PDF reports without sending any data to the cloud.
Key Features:
• Runs 100% locally on user hardware (no internet required)
• Uses multiple local LLMs and speech-to-text models for high accuracy (96%+)
• Automatically generates well-formatted PDF reports with timestamps and summaries
• Strong focus on data privacy and security
• Supports multiple audio formats
Built with Python, leveraging local AI models to ensure complete confidentiality — perfect for professionals, researchers, lawyers, and businesses dealing with confidential recordings.
This project demonstrates my skills in Python desktop application development, AI/ML integration, local LLM deployment, and creating secure, high-performance tools.
Ideal for users who need powerful AI capabilities without compromising privacy.
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Retail & Kirana Management System – Offline-First POS & Inventory Software
I developed a complete locally-hosted, offline-first Retail & Kirana Management System designed specifically for small shop owners and kirana stores in India.
This full-source-code product includes:
• Fast & reliable Point of Sale (POS) billing
• Real-time inventory and stock management
• Employee shift management
• Detailed sales, profit & stock analytics
• Complete offline support with seamless local PostgreSQL database
Key highlights:
Works perfectly without internet (ideal for areas with poor connectivity)
Fast performance even on low-end hardware
Easy to install and customize as it comes with full source code
Built for Indian retail needs — supports GST billing, multiple users, and daily reporting
This project showcases my ability to build robust desktop applications, handle local databases, create user-friendly interfaces, and deliver production-ready software that small businesses can actually use and resell.
Tech used: Electron + PostgreSQL + Modern UI
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FillFeedback – Affordable Typeform Alternative (SaaS Form Builder)
I built and launched FillFeedback, a simple, affordable SaaS online form builder designed as a budget-friendly alternative to Typeform. It offers a generous free plan and paid plans at a fraction of the usual price, making professional forms accessible to everyone.
Key features I developed include:
Conversational, beautiful forms with browser-based video recording – respondents can record video answers directly in the form
Support for file & document uploads in any format
Powerful API integration to fetch and sync form data with your own systems
Ready-to-use NPM package for seamless integration into any web project – no code editing required
Easy Excel export, analytics, and real-time responses
This project showcases my full-stack development skills in building a complete SaaS product from scratch – handling frontend UX, backend logic, video processing, API architecture, and package distribution.
Live link: https://fillfeedback.com/
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