Join bonify, Germany’s leading platform for credit scoring and financial management. We are on the mission to revolutionize the FinTech industry and make the credit score and financial data available and transparent for our users. We are seeking a talented Staff Engineer — Frontend (Web & Mobile) to join our dynamic team in Berlin.
We are hiring a Staff / Senior Staff Frontend Engineer to lead the next evolution of our frontend platform, with a primary focus on our React Native mobile apps (iOS & Android) and supporting web (React) surfaces where they add value. This role goes beyond feature delivery: you will modernize frontend architecture, raise engineering standards, and help shape how frontend systems scale over time.
You will act as a force multiplier across teams, setting technical direction while staying hands-on where leverage is highest.
While this is a frontend-focused role, we value engineers with an end-to-end mindset. Lead the modernization of frontend architecture, with an emphasis on mobile app architecture, performance, and scalability, while maintaining aligned web experiences where needed
Evaluate and evolve frontend system design: application structure, state management, data flow, and runtime patterns
Establish and evolve best practices for frontend development, testing strategies, and build systems
Reduce complexity and long-term maintenance cost through simplification, standardization, and better defaults
Improve frontend developer experience through tooling, shared patterns, and clear architectural guidance
Contribute code where it has the highest leverage (foundational components, migrations, refactors)
8+ years of professional software engineering experience (or equivalent impact)
~ Deep, hands-on experience with React in production environments
~ Solid understanding of frontend system design — beyond UI implementation
~ Strong understanding of performance, rendering behavior, and optimization techniques on web and mobile
~ Practical knowledge of CI/CD for web and mobile applications
~ Experience with frontend observability, monitoring, and performance measurement
~ Strong written and verbal communication — able to explain trade-offs and influence decisions across teams If you enjoy shaping frontend platforms, improving performance and reliability at scale, and raising the bar across teams — we’d love to talk.
The chance to thrive in a dynamic and flexible startup environment.
~ Access to extensive coaching and training programs through our personal development budget
~30 vacation days
~ Subsidies for BVG and UrbanSportsClub
~1:1 language classes in both German and English.
Please note, to be compliant with AML requirements, due to the specifics of fintech industries additional background checks are required (applicable only at the offer stage).
If you're ready to make a meaningful impact in the world of FinTech and embark on an exciting career journey, apply now to join bonify!