My work experiences across different companies and roles.

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.

React Native App Developer (Contract)
Feb 2025 - Dec 2025
Remote
• Owned end-to-end development of a multi-role society platform across 3 production apps.
• Built navigation, notification, and permission flows for finance, subscriptions, visitors, parking, and emergencies.
• Implemented finance systems: invoicing, analytics, budgets, settlements, and date-range exports.
• Designed automation and data systems for reminders, attendance, QR visitors, bulk uploads, and audits.
• Coordinated releases and schema changes across apps to ensure backward compatibility and data integrity.

App Developer (Contract)
Apr 2024 - Oct 2024
Remote
• Built an offline-first visitor system using AsyncStorage, improving efficiency by 50%.
• Reduced app crashes by 25% through Redux optimization and error handling.
• Developed QR/Barcode attendance scanning, reducing check-in time by 70%.
Designed & Developed by Shubham Jangra
© 2026. Shubham Jangra. All rights reserved.