Senior React Native Engineer — Scale a Europe-wide Mobile App

Epassi; Finland; On-site; EUR 90,000 - 130,000; Full time

Job summary

Epassi in Finland is seeking a Senior Software Engineer (React Native) to join a cross-functional team building a modern mobile app for our European users. You will own mobile-specific areas, shape architecture, and contribute to long-term growth.

The role emphasizes collaboration with product, design, backend, QA, and DevOps, writing clean TS/React Native code, ensuring quality, performance, and security, and participating in agile ceremonies.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or equivalent practical experience.
• Experience delivering mobile applications end-to-end.

Responsibilities

• Designing, building, and maintaining a high-quality React Native mobile application.
• Contributing to scalable, modular, and maintainable mobile architecture.
• Ensuring high standards for code quality, testing, performance, and security.
• Collaborating with Product, Design, Backend, QA, and DevOps.

Skills

React Native

TypeScript

Mobile architecture

REST GraphQL

Agile ceremonies

AI-assisted tooling

Copilot

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Claude

Education

Bachelor's degree in CS/SE or equivalent

Tools

Copilot

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Claude

Job description

Epassi in Finland is seeking a Senior Software Engineer (React Native) to join a cross-functional team building a modern mobile app for our European users. You will own mobile-specific areas, shape architecture, and contribute to long-term growth.

The role emphasizes collaboration with product, design, backend, QA, and DevOps, writing clean TS/React Native code, ensuring quality, performance, and security, and participating in agile ceremonies.