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Sadgi Gupta

@sadgigupta

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Senior React Native Developer delivering end-to-end cross-platform mobile apps with performance and stability.

India

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What I'm looking for

I’m looking for a team that values ownership—architecture, code reviews, and performance tuning—where I can build and ship high-impact cross-platform mobile features, collaborate in Agile, and keep production releases stable with strong CI/CD.

I’m a Senior React Native Developer with ~5 years of building and shipping production cross-platform mobile apps end-to-end—from architecture and native-module design through App Store and Google Play release management. I deliver 7+ apps across eCommerce, fintech, trading, and social domains, with a strong focus on scalable engineering decisions.

I go deep in TypeScript and modern JavaScript (ES6+), using React Native (hooks, navigation, native modules and bridging across iOS and Android) to build maintainable features. I’ve worked extensively with the React Native New Architecture (JSI, Fabric, Turbo Modules), Expo builds and OTA updates, and hands-on performance optimisation to keep apps fast and reliable.

My approach to product engineering blends state management and API integration for real-time and complex workflows. I’ve implemented scalable state with Redux Toolkit, Redux Saga, Context API, MobX, and Zustand, and integrated REST, GraphQL, and real-time systems using WebSockets and SignalR—plus OAuth and third-party SDKs.

I own technical decisions, run code reviews, and mentor junior engineers within Agile/Scrum teams. In my recent roles, I’ve handled critical production crashes, improved low-bandwidth rendering performance, maintained CI/CD pipelines, and earned recognition including the Above & Beyond Award for outstanding delivery.

Experience

Work history, roles, and key accomplishments

Current

Senior Associate Engineer - React Native

Current

Successive Technologies

Nov 2025 - Present (8 months)

Owned end-to-end React Native feature development for a large-scale eCommerce app, covering architecture/component design through App Store and Google Play delivery. Integrated REST APIs, improved performance under low-bandwidth conditions, and resolved production crashes while maintaining CI/CD for reliable Agile releases.

React Native TypeScript Architecture Component Design REST APIs Performance Optimization CI CD Crash Resolution app store

Software Engineer

Mindekk Technologies Pvt. Ltd. (Testunity)

Apr 2025 - Aug 2025 (4 months)

Built cross-platform React Native apps with Deep Linking and Firebase Push Notifications, improving crash rate and startup performance. Integrated CleverTap and AppsFlyer for engagement/attribution and used Sentry to address production bugs.

React Native Deep Linking Push Notifications Firebase Crashlytics CleverTap Appsflyer Sentry

React Native Developer

Sofmen Technologies Pvt. Ltd.

Sep 2022 - Apr 2025 (2 years 7 months)

Developed and shipped cross-platform React Native (Android & iOS) apps for trading and fintech, including real-time updates via SignalR and WebSockets. Architected state management with Redux Toolkit/Redux Saga, integrated REST/GraphQL, implemented PayPal and in-app purchases, and maintained 7+ production apps with Jest testing and peer code reviews.

React Native TypeScript Android iOS SignalR WebSockets Redux toolkit Redux Saga Context API REST APIs GraphQL In App Purchases PayPal Firebase Amplitude Jest Unit Testing Code Review Mentorship

Software Engineer - React Native Developer

Inurum Technologies

Sep 2021 - Aug 2022 (11 months)

Built and maintained cross-platform React Native apps, owning UI implementation and feature development for Android and iOS. Integrated Firebase (push and analytics) and engagement/attribution SDKs (MoEngage, CleverTap, AppsFlyer, Amplitude) to support tracking, campaigns, and re-engagement within an Agile release workflow.