React Native Developer - TechAhead - Noida, India
(2023-08)
Technologies: React Native, TypeScript, Redux, Firebase, Auth0, Stripe, In-App Purchase, PubNub, CometChat, FCM, APNs, Google Places API, REST APIs, OpenAI API
- Architected and delivered 5+ production mobile applications across health-tech, e-commerce, and on-demand verticals for a cross-functional team of 10+ engineers and designers.
- Built AI-powered fitness coaching chatbot using OpenAI API and RAG pipeline for Wellcast, increasing average user session length by 30% based on post-launch product analytics.
- Implemented Stripe and In-App Purchase (IAP) subscription flows with 3 pricing tiers, enabling premium revenue for 2 applications within the first release cycle.
- Integrated real-time messaging using PubNub and CometChat (channels, direct messages, notifications), achieving message delivery latency under 200 ms in production.
- Configured push notification pipelines via FCM (Android) and APNs (iOS), improving user re-engagement by 20% based on campaign click-through analytics.
- Optimized FlatList performance through memoization, lazy loading, and windowing techniques, reducing scroll-jank occurrences by 40% and maintaining a steady 60 fps.
- Integrated Google Places API for geolocation-based service discovery in CatchAll, cutting manual search steps by 35% and improving onboarding completion rate.
- Implemented Auth0 and Firebase Authentication across 3 applications, including Google Sign-In, Apple Sign-In, and token-refresh flows, with zero post-launch authentication incidents.
- Collaborated with design teams to translate Figma prototypes into pixel-perfect, responsive UI components, reducing design-to-implementation revision cycles by 2 rounds per sprint.
React Native Developer - Kiwi Technologies - Noida, India
(2022-01 - 2023-05)
Technologies: React Native, JavaScript, TypeScript, Redux, React Hooks, Firebase, FlutterFlow, Google Analytics
- Developed and launched ChipIn, a mobile crowdfunding platform, from inception to production, reaching 500+ campaign creations within the first 30 days of release.
- Built KiwiBuzz, a cross-platform social networking application using FlutterFlow and Firebase, delivering complete user authentication, post creation, commenting, and profile features within a 6-week sprint.
- Instrumented Google Analytics across 2 mobile applications, establishing 15+ conversion and engagement funnels that directly informed quarterly product roadmap decisions.
- Refactored legacy component architecture to eliminate redundant re-renders, reducing application startup time by 22% and improving overall UI responsiveness.
- Managed Firebase backend infrastructure (Firestore, Authentication, Cloud Storage) for 2 live applications, sustaining 99.9% uptime across a 6-month production window.
