Praveen Singh

Summary

Praveen Singh is a Senior React Native Engineer with 5+ years shipping high-performance Android and iOS apps across fintech, edtech and telecom.

I enjoy the hard parts of mobile: React Native upgrades and New Architecture migrations, native integrations, production memory leaks, and lists that have to scroll smoothly on a cheap Android phone. I build apps that stay scalable, reliable and fast long after launch.

Experience

1. Senior React Native Developer at Delightree

   Mar 2026 to Aug 2026

   Remote

   • Built offline-first audit and checklist flows with media capture and queued sync.
   • Shipped AI-powered SOP search with role, location and permission-based access.
   • Automated Play Store and App Store releases with Fastlane, GitHub Actions and OTA updates.

2. Software Developer II (React Native) at upGrad

   Jan 2025 to Feb 2026

   Noida, hybrid

   • Architected and scaled the learning app for Android and iOS.
   • Bridged Brightcove video through native Swift and Kotlin modules.
   • Cut release cycle time by 40% with Fastlane and GitHub Actions.

3. Software Developer L2 at Invia

   Nov 2024 to Jan 2025

   Noida

   • Built an enterprise telecom app for real-time usage, billing and alerts.

4. React Native Developer at Gojoko Technologies

   Aug 2023 to Sep 2024

   Noida, on-site

   • Built the Reevo credit card app for a UK fintech.
   • Integrated Visa APIs and 3-D Secure; sped up APIs 30% with Apollo caching.

5. React Native Developer at WebMobril Technologies

   Sep 2021 to Aug 2023

   Noida

   • Delivered 8 to 10 production apps across e-commerce, NFC and IoT.

Selected projects

• upGrad Learning · upGrad, 2025

  The learning app for upGrad's global learner base. Adaptive-bitrate course video through native Swift and Kotlin modules, offline downloads with encrypted storage, and CodePush for fixes without a store release.

• Reevo · Gojoko Technologies, 2024

  A credit card app for a UK fintech: card management, transactions and payments, with Visa 3-D Secure, biometric sign-in and hardening against the OWASP Mobile Top 10.

• Delightree · Delightree, 2026

  Franchise operations for 150+ brands. Offline-first audits with photo capture and queued sync, AI-powered SOP search, and checklists moved to FlashList to kill scroll jank.

• Invia Telecom · Invia, 2025

  An enterprise telecom app for real-time usage, billing and alert monitoring, built to security compliance on a tight timeline.

• Client apps: payments, NFC and BLE · WebMobril Technologies, 2021 to 2023

  8 to 10 production apps for agency clients across e-commerce, NFC and IoT, most of them needing native code alongside React Native.

Skills

React Native, TypeScript, JavaScript, GraphQL, Apollo, Redux Toolkit, MobX, TanStack Query, Swift, Kotlin, Fastlane, GitHub Actions, Firebase, Sentry, Datadog, Stripe, Jest, Xcode, Android Studio, Git