Senior React Native Engineer

Northmill is a Swedish technology bank that develops straightforward and secure financial services for customers. Their mission is to improve people’s financial lives through technology, innovation, and passion. They use the latest technology to develop safe, smart, and user-friendly products. Northmill is a 100% cloud company with a team of over 240 people across 3 countries, serving 600,000 users and 2,500 merchant partners.

• Experience building mobile and/or web applications
• Strong skills in React Native (CLI or Expo) and TypeScript
• Hands-on experience with React.js and component-based UIs
• Comfortable working with GraphQL and REST APIs
• Familiarity with modern engineering practices: code reviews, CI/CD, automated testing
• Experience with Agile workflows
• Polish or EU citizenship, or a company registered in Poland

Nice to have:

• Experience with native Android and/or iOS development
• Degree in Computer Science, Engineering, or related field
• Some backend familiarity, especially with Server-Driven UI (SDUI) and NestJS
• Awareness of accessibility (a11y) best practices

• Join a cross-functional product team impacting how customers manage their finances
• Design and build mobile and web applications using React Native, React.js, TypeScript, and GraphQL
• Ship customer-facing features such as payments, credit, and personal finance tools
• Collaborate closely with backend engineers, designers, and product managers
• Help shape architectural decisions and continuously improve workflows
• Work with an international engineering team across Katowice and Stockholm offices (team of 15 engineers)

Must have Polish or EU citizenship, or a company registered in Poland.