Senior React Native Frontend Engineer — Remote/Hybrid

Jit; Województwo pomorskie; Hybrid; PLN 200,000 - 260,000; Full time

Benefits offered by this job

Flexible work organization

International work environment

Hybrid/Remote work options

Job summary

Jit is seeking a Senior Frontend Engineer to join a mobile-focused team delivering a React Native app for iOS and Android. You will work on Expo, TypeScript, and native modules, focusing on releases, performance, and reliability in a hybrid work setup across Poland.

You will collaborate with cross-functional teams, contribute to build pipelines, monitor production issues, and explore AI-assisted workflows to enhance development efficiency. Fluency in English (min B2) is required.

Qualifications

• 5–8 years of commercial experience in frontend or mobile development.
• Strong hands-on experience with React Native, Expo, and TypeScript.
• Experience with native iOS and Android modules.
• Practical knowledge of mobile build pipelines and release processes.
• Experience publishing and maintaining applications on the Apple App Store and Google Play Store.
• Knowledge of crash monitoring tools and source maps for production debugging.
• Familiarity with AI tools and ability to discuss/apply them in engineering work.
• Very good English (at least B2).
• Nice to have: engineering degree or related technical qualification; experience in regulated financial services or trading platforms.

Responsibilities

• Developing and maintaining mobile applications using React Native, Expo, and TypeScript.
• Integrating and maintaining native iOS and Android modules.
• Building, maintaining, and optimizing mobile build pipelines.
• Managing application releases to the Apple App Store and Google Play Store.
• Monitoring application crashes, analyzing production issues, and troubleshooting with source maps.
• Collaborating with cross-functional teams to deliver reliable, high-quality mobile solutions.
• Using AI tools to support engineering workflows and improve development efficiency.

Skills

React Native

Expo

TypeScript

Native iOS modules

Native Android modules

Mobile build pipelines

App Store / Play Store releases

Crash monitoring tools

Source maps

AI tools in engineering

English (B2)

Education

Engineering degree or related qualification

Job description

Jit is seeking a Senior Frontend Engineer to join a mobile-focused team delivering a React Native app for iOS and Android. You will work on Expo, TypeScript, and native modules, focusing on releases, performance, and reliability in a hybrid work setup across Poland.

You will collaborate with cross-functional teams, contribute to build pipelines, monitor production issues, and explore AI-assisted workflows to enhance development efficiency. Fluency in English (min B2) is required.