Sadgi Gupta

Senior Associate Engineer – React Native (Contract) at Successive Technologies (2025-11 – Present)

Contributing to a large-scale cross-platform e-commerce application for client Reliance Retail using React Native and TypeScript, focusing on scalable architecture and performance optimisation.
Delivered core features including product browsing, search, cart, checkout, order tracking, and payment workflows; integrated RESTful APIs and optimised data-handling, reducing load times under low-bandwidth conditions.
Resolved critical production issues and maintained CI/CD pipelines, ensuring consistent, reliable releases in an Agile team.

Software Engineer at Mindekk Technologies Pvt. Ltd. (Testunity) (2025-04 – 2025-08)

Built cross-platform mobile applications using React Native, implementing Deep Linking and Firebase Push Notifications; reduced app crash rate by 25% via Firebase Crashlytics and startup performance optimisation.
Integrated CleverTap and AppsFlyer for user engagement, campaign attribution, and funnel analytics; accelerated development cycles by 25% using AI coding assistants (Copilot, Cursor) and resolved intermittent production bugs using Sentry, improving overall app stability.

React Native Developer at Sofmen Technologies Pvt. Ltd. (2022-09 – 2025-04)

Developed and shipped complex cross-platform mobile (Android & iOS) and web applications for trading and fintech using React Native and TypeScript, with real-time data via SignalR and WebSockets.
Managed complex application state with Redux Toolkit and Redux Saga; integrated RESTful and GraphQL APIs; implemented in-app purchases and PayPal payment gateway.
Instrumented apps with Firebase, MoEngage, and Amplitude for analytics, push notifications, and product insights to drive data-informed feature decisions.
Published and maintained 7+ production apps on App Store and Google Play; enforced code quality via Jest unit tests and peer code reviews; mentored 2 junior developers.
Received Above & Beyond Award (Sept 2024) for outstanding contributions to project delivery and engineering excellence.

Software Engineer – React Native Developer at Inurum Technologies (2021-09 – 2022-08)

Developed and maintained cross-platform mobile applications using React Native and JavaScript, contributing to UI implementation and feature development across Android and iOS.
Integrated Firebase (push notifications, analytics) and engagement/attribution SDKs including MoEngage, CleverTap, AppsFlyer, and Amplitude to enable user tracking, campaign analytics, and re-engagement workflows.
Collaborated within an Agile team to fix bugs, improve app stability, and support production releases, building a strong foundation in the React Native ecosystem.

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