Full Stack Developer at Finstein, shipping production web and mobile apps across NestJS, Next.js, Angular, and React Native (Expo). Previously a STEM Instructor at LMES Academy, teaching programming and robotics.

• 🔭 Currently building full-stack web & mobile applications at Finstein
• 🚀 Active open source contributor — 57 merged PRs + 103 open PRs across VS Code, NestJS (CLI / Swagger / GraphQL), Node.js undici, BullMQ, Angular CLI, Swagger UI, and Excalidraw
• 🛠️ Specializing in TypeScript ecosystems — NestJS, Next.js, Angular, React Native, and developer tooling
• 🧪 Currently upskilling in Data Engineering — Databricks, PySpark, Delta Lake, dbt, Power BI
• 📍 Based in Chennai, India

Languages

Frontend

Backend

Databases

Cloud & DevOps

Data Engineering (Currently Learning)

57 merged pull requests and 103 open PRs across major developer tools, frameworks, and runtimes:

Recent merged highlights:

• nodejs/undici #5066 — fix(interceptor): add throwOnMaxRedirect to types and interceptor opts
• microsoft/vscode #307960 — fix: handle heredoc/multiline commands in terminal tool execution
• microsoft/vscode #307593 — fix: clear parent change listener before disposeContext in ScopedContextKeyService
• nestjs/graphql #3937 — fix(apollo): respect useGlobalPrefix on custom subscription path
• nestjs/graphql #3938 — fix(@nestjs/graphql): inherit class directives from abstract parents
• taskforcesh/bullmq #4007 — fix(worker): use scheduler registry to discriminate repeatable keys
• nestjs/swagger #3803 — fix(plugin): skip auto-generated response decorator when Api*Response already present
• nestjs/nest-cli #3338 — fix(start): skip signal forwarding in watch mode

Currently contributing to:

B2B Multi-Vendor Marketplace
WordPress + WooCommerce + Dokan · PHP · MariaDB · Redis · Docker Compose · GitLab CI/CD · Apache · LiteSpeed
B2B marketplace with reverse auction bidding, KYC/seller verification, AI-powered product creation (AWS Lambda), live chat, and dispute management. 17+ custom WordPress plugins, full Docker Compose infra, and a backup → deploy → rollback CI/CD pipeline.

Conversational Commerce Bot
NestJS 11 · TypeScript · SQLite · Express 5 · Meta WhatsApp Cloud API
Production-grade bot bridging WhatsApp Business API to a WooCommerce/Dokan marketplace. Customers browse products, manage carts, place orders, request quotes, and resolve disputes — all via WhatsApp. HMAC-SHA256 webhook verification, idempotency via SQLite, and multi-step conversation state.

Enterprise Sales & Commerce Analytics Platform
NestJS 10 · Next.js 15 · React 18 · PostgreSQL · Redis · Bull/BullMQ · Socket.io · D3.js · Chart.js
Multi-channel analytics platform aggregating 8+ e-commerce and quick-commerce channels. Real-time dashboards, dynamic report builder, cohort analysis, 2FA/MFA (TOTP), CASL RBAC, and 192+ API endpoints. IMAP-based email polling for platform verification.

Cross-Platform Fitness Ecosystem
NestJS 10 · React Native + Expo 51 · Next.js 15 · PostgreSQL · Socket.io · OpenAI GPT-4o
Mobile app, admin dashboard, and marketing website for a fitness platform. Trainer bookings, workout planning, AI coaching (GPT-4o), social fitness (buddy system), real-time messaging, payment processing, and push notifications.

Health & Wellness Mobile App
NestJS 10 · Angular 18 · Ionic 8 · Capacitor 6 · MySQL · Keycloak SSO · Firebase
Hybrid mobile app for hydration tracking, step counting, and health goal management with Keycloak-based SSO and Firebase push notifications.

Enterprise Data Warehouse (Learning)
Databricks · PySpark · Scala · Delta Lake · dbt · Azure ADLS · Power BI · Dynatrace
Medallion architecture (Bronze → Silver → Gold) powering executive Power BI dashboards in the insurance domain. SCD Type 1/2, Delta Lake optimizations (OPTIMIZE, VACUUM, Z-ORDER), and Databricks Asset Bundles for IaC. Currently upskilling in this domain.

Full Stack Developer — Finstein · Jul 2024 – Present
Building production web and mobile applications across NestJS, Next.js, Angular, React Native (Expo), PostgreSQL, and Redis.

STEM Instructor — LMES Academy · Jul 2023 – Jul 2024
Taught programming, App development using MIT App Inventor and Python.

B.Tech, Information Technology — University College of Engineering Villupuram · 2019 – 2023