Senior Frontend Engineer React Native

Mindbox Sp. z o.o. WARSZAWA 2026-08-13


  • Strong experience with React and React Native, with a focus on user experience.

  • Expertise in TypeScript and modern JavaScript, advanced state management, and component patterns.

  • Proficiency in managing complex data fetching using REST and GraphQL/Apollo.

  • Strong focus on software quality and testing (React Testing Library, Vitest, WebdriverIO, Playwright).

  • Deep understanding of web and mobile security, secure data storage, and privacy-first engineering.

  • Active contributor in code reviews and technical knowledge sharing.

  • Pragmatic problem-solver with robust, efficient solutions mindset.


 



Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference. 



At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. 





Join Our Team as a Frontend Engineer (React Native)!


Are you passionate about building exceptional web and mobile experiences? Do you excel in creating clean, maintainable code and collaborating in cross-functional teams? If so, this is the role for you!

 



We are looking for a Frontend Engineer (mobile focused) to design and develop high-quality web and mobile interfaces that power customer banking apps and flexible services for our Banking-as-a-Service (BaaS) clients.

You’ll work with cutting-edge technologies, ensure top-notch security practices, and drive frontend innovation while being part of an inclusive, collaborative, and high-performing team.

 






Sounds like your kind of challenge?


 


Li-Hybrid


 


Warsaw: 2 days/month on-site



What you get in return


  • Flexible cooperation model 

  • Hybrid work setup – remote days available depending on the client’s arrangements 

  • Collaborative team culture – work alongside experienced professionals eager to share knowledge 

  • Continuous development – access to training platforms and growth opportunities 

  • Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more 

  • High quality equipment – laptop and essential software provided 


,[Build and maintain features in React and React Native apps, ensuring smooth integration with event-driven microservices., Collaborate in cross-functional teams with product managers and designers to solve complex UX challenges., Deliver clean, maintainable, and robust code with high reliability and security standards., Own quality through testing to keep CI/CD pipelines fast and reliable., Share knowledge, mentor peers, and participate in technical problem-solving sessions., Contribute to frontend shared libraries and design systems for consistency across banking apps., Optimize app performance for diverse environments, including low-connectivity scenarios, ensuring secure data handling., Troubleshoot production issues and contribute to long-term architectural improvements.] Requirements: React native, TypeScript, JavaScript, REST API, GraphQL, Testing, React, Security, Storage