TypeScript
,React
,React Native
,Next.js
, and databases likeNode.js
/PostgreSQL
. Currently pursuing B.Tech CSE (MDU, 2026) and working as a Software Development Engineer @ Suffai.Featured
Backend Developer (Freelance)
Dec 2025 - Present
Remote
• Built a strongly typed TypeScript backend with Node.js, Express, MongoDB using clean layered architecture.
• Implemented social auth (Google, Apple, Facebook) with token verification, JWT sessions, and role-based access.
• Designed geo-aware presence and event lifecycle using Place IDs, 50--500m radius matching, and TTL expiry.
• Developed privacy-first APIs for discovery and chats with access control, rate limiting, and abuse protection.
• Modeled scalable schemas and indexes to support high-read discovery flows and low-latency queries.
• Migrated the React Native app to Expo with a full dev--test--prod pipeline and OTA updates.
• Took the product from MVP to production, independently owning mobile development for 10K+ users.
• Built core backend logic for pricing, cart flow, order lifecycle, and location-based operations.
• Led UI/UX redesign, animations, cart flow, and improved admin dashboards for orders and transactions.
• Integrated notifications, analytics, and monitoring to ensure release stability and production visibility.
Featured
Developed a multi-platform system with 100+ live business listings, increasing partner sales by 20%. Built responsive UI with Jest test coverage, boosting user engagement by 35%.
Built B2B AI support system with real-time chat, voice AI, and RAG-based knowledge search. Implemented auto-resolution, human escalation, multi-workspaces, and team management. Integrated Clerk auth, subscription billing, secure AWS key storage, and an embeddable AI widget.
Built AI-driven research paper evaluation system reducing manual review time by 80%. Integrated ML models for plagiarism, grammar, and formatting analysis.
About
I'm a Full Stack Developer and Open Source Contributor with hands-on experience in React, React Native, Node.js, and modern cloud stacks. I love building scalable products that solve real-world problems — from mobile apps with 1,000+ downloads to AI-driven platforms for research evaluation. Currently pursuing B.Tech in Computer Science (MDU, expected 2026) while working as a Software Development Engineer at Suffai.
Skills
Designed & Developed by Shubham Jangra
© 2026. Shubham Jangra. All rights reserved.
