Abhishek

Built a digital portal for gram panchayats to calculate and manage land taxes, replacing manual, paper-based record-keeping. Enables one-click generation of government-compliant reports for audits, significantly reducing the time and effort required for tax calculation and compliance reporting at the local government level.

Digitized a programming training institute's fully offline operations - enrollment, payments, and student records - into a complete web platform, eliminating physical registers and printing costs. Built a student portal for assignment access, transaction history, and downloadable payment receipts, supporting multi-course enrollment with prorated fee splitting. Reduced administrative staffing needs from 3 people to 1 through automation. Delivered as an installable PWA alongside a public-facing website.

Built an end-to-end online exam platform for competitive test prep (JEE, MHT-CET), currently serving 100+ students daily with up to 50 concurrent test-takers. Designed a configurable exam engine supporting multi-subject question patterns and dynamic exam creation. Implemented real-time anti-cheating security via tab-switch detection and monitoring during live exams. Built automated ranking/leaderboard generation and a post-exam answer review flow with detailed explanations.

A comprehensive healthcare platform for renting medical equipment and managing doorstep healthcare services, payments and field operations.

AI-powered fitness assistant built with React, TypeScript, Node.js, and MongoDB; implemented JWT + Google OAuth authentication and a mobile-first, performance-optimized UI. Built in a hackathon-style Agile sprint.

Real-time collaborative travel planning app using React, TypeScript, Node.js, and Socket.IO; built real-time state synchronization across clients via WebSockets, reducing user trip-planning time by 80%.

Built a role-based ERP for order-to-invoice workflows across a 3-tier geographic hierarchy (District → Taluka → Village), serving ~2,000 orders and 5,000+ line items per month. Designed a custom MVC architecture (no framework) with server-side RBAC across 4 staff roles + admin/superadmin, AES-256-GCM field-level encryption for sensitive credentials, full audit logging, and a time-limited tokenized link system letting external installers upload data without logging in. Architected for 5–10x scale headroom without redesign.

Built a multi-tenant HRMS SaaS platform for small-to-mid-sized organizations, covering employee management, leave management, roster scheduling, payroll, and attendance tracking. Integrated multiple attendance methods including facial recognition, fingerprint, and NFC-based check-in for flexible deployment across different workplace environments.