Senior React Native Engineer

Ciklum is looking for a Senior React Native Engineer to join our team full-time in Poland.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

As a Senior React Native Engineer, become a part of a cross‑functional development team engineering experiences of tomorrow. We are building a brand‑new platform from the ground up, starting with a mobile application and designed to scale as the product evolves. This is a hands‑on, code‑focused role where you will be responsible for delivering high‑quality, end‑to‑end mobile features using modern React Native practices.

You will collaborate closely with backend, product, design, and QA teams, with a strong focus on clean, maintainable code and excellent user experience.

• Build and maintain a React Native mobile application from scratch for iOS and Android
• Ensure scalability, performance, and long‑term maintainability
• Own mobile feature development end‑to‑end, from implementation to release
• Develop high‑quality mobile user interfaces using React Native, Type Script, and modern React patterns
• Implement responsive, accessible, and performant mobile UI components
• Collaborate with designers to translate wireframes and mockups into production‑ready mobile code
• Integrate with backend APIs and manage client‑side state and data fetching
• Write unit and component tests for mobile features
• Experience with integration or end‑to‑end mobile testing is a plus
• Focus on stability, performance, and user experience across devices
• Participate in mobile build, release, and deployment processes (CI/CD)
• Work with cloud‑based environments (e.g., AWS‑hosted backends)
• Collaborate on configuring and maintaining Git Hub Actions pipelines for mobile builds
• Work closely with product managers, designers, backend engineers, and QA
• Contribute to technical discussions and architectural decisions related to mobile development
• Deliver user‑centric solutions in an agile / Scrum‑based environment

• REST API integration
• Git / Git Hub
• Experience with Expo or React Native Web
• Familiarity with mobile CI/CD and app store releases
• AWS knowledge (from a consumer perspective)
• Familiarity with Scrum methodology
• Background in mobile‑first products or fintech domains

• Strong community:
  Work alongside top professionals in a friendly, open‑door environment
• Growth focus:
  Take on large‑scale projects with a global impact and expand your expertise
• Tailored learning:
  Boost your skills with internal events (meetups, conferences, workshops), Udemy access, language courses, and company‑paid certifications
• Endless opportunities:
  Explore diverse domains through internal mobility, finding the best fit to gain hands‑on experience with cutting‑edge technologies
• Flexibility:
  Enjoy flexibility – full remote working possibilities
• Care:
  We’ve got you covered with company‑paid medical insurance, mental health support, and financial & legal consultations

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting‑edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.
With delivery centers in Wrocław and Gdańsk, our 300+ professionals in Poland drive forward‑thinking solutions for global clients. Join a community where collaboration sparks innovation—and your impact reaches millions.
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Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.