Remote Senior React Native Engineer – Fintech & Real-Time

Kake Group; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Kake Group in the United States seeks a Senior React Native Engineer to join a product team building a cross-platform trading app for a financial services client. You’ll join an established codebase, work in an agile workflow, focusing on live market data, secure integrations, and polished mobile UI.

The role emphasizes TS and RN expertise, publishing apps to App Store and Google Play, real-time features, robust authentication, and collaboration in a remote EST-overlapping environment.

Qualifications

• 4+ years of professional experience building React Native apps with TypeScript, with at least one app published on both the App Store and Google Play.
• Solid understanding of secure authentication in mobile apps (OAuth/OIDC, token lifecycle, secure storage) and resilient API integration.
• Experience building real-time features and managing app state with tools such as Redux, Zustand, or React Query.
• Proven ability to profile, debug, and optimize mobile app performance.
• Experience with automated testing (e.g., Jest, Detox) and mobile build and release pipelines (e.g., EAS, Fastlane).
• Previous work on fintech, trading, banking, or other regulated products.
• Excellent written and verbal communication skills in English.
• Ability to work independently in a remote, fast-paced environment.

Responsibilities

• Develop and release new features for a cross-platform mobile app, following the team’s existing architecture and standards.
• Connect the app to backend services, handling authentication, error recovery, paginated data, caching, and indicators that show users how current their data is.
• Build live-updating screens for financial data that remain fast and stable, even when connections drop or data arrives quickly.
• Implement designs with a high level of polish, ensuring a consistent experience on iOS and Android.
• Contribute to peer code reviews, device testing, and regular agile ceremonies.

Tools

React Native

TypeScript

Redux

Zustand

React Query

OAuth/OIDC

Secure storage

Jest

Detox

EAS

Fastlane

App Store publishing

Google Play publishing

Job description

Kake Group in the United States seeks a Senior React Native Engineer to join a product team building a cross-platform trading app for a financial services client. You’ll join an established codebase, work in an agile workflow, focusing on live market data, secure integrations, and polished mobile UI.

The role emphasizes TS and RN expertise, publishing apps to App Store and Google Play, real-time features, robust authentication, and collaboration in a remote EST-overlapping environment.