In this role, you’ll join a fast-growing, BaFin-licensed digital financial infrastructure provider building a unified platform for trading, custody, and management of traditional and digital assets. Based in our Warsaw engineering hub, you’ll work in a hybrid setup with regular in-person collaboration, contributing to scalable, high-impact financial systems used by banks, wealth managers, neobrokers, and fintechs across Europe. You’ll have real ownership over your work, helping shape robust products in a professional yet relaxed environment.
Frontend / Mobile Engineer (m/f/d)
Warsaw
Full-time
Freelancer
Your role
Your mission and responsibilities
- Develop and maintain front-end applications across multiple initiatives — internal web apps, public-facing web platforms, and existing Android/iOS mobile apps
- Work within a React and React Native stack, delivering polished user experiences for financial products
- Make sound architectural decisions autonomously while collaborating with experienced colleagues for validation and feedback
- Navigate and improve existing codebases — we need someone who enjoys bringing order to complexity, not just greenfield development
- Contribute to the full development lifecycle from feature design through deployment
Your qualifications and experience
- 2-4 years of experience with a solid, demonstrable understanding of React and React Native
- Ability to work autonomously and make informed architectural decisions — this role requires ownership, not hand-holding
- Experience building and shipping both web and mobile applications
- Comfort working with existing codebases — reading, understanding, and improving code others have written
- A problem-solving mindset — you enjoy challenges and aren't discouraged by complexity
- Good communication skills for collaborating with the team and consulting on technical direction
Nice to have
- Experience with TypeScript in production applications
- Familiarity with state management solutions (Redux, Zustand, MobX, or similar)
- Knowledge of CI/CD pipelines for web and mobile deployments
- Prior experience in fintech or other regulated industries
- Experience with app store submission processes (Google Play, App Store)
Contract
B2B
Location
Warsaw, hybrid model
Why us?
We offer:
- Hybrid work model — 2 days/week in our Warsaw office
- 20 days PTO on B2B.
- Variety of front-end challenges — internal tools, public platforms, and mobile apps, all within one role
- Autonomy with support — make real decisions backed by an experienced team
- A team that values engineering growth — we invest in building competences, not just shipping features
- Relaxed yet professional culture in a rapidly growing company
- Flex-time arrangements
About us
Tradevest is a leading FinTech company offering an innovative platform for securities and cryptocurrency trading, specifically tailored for institutional clients. In Germany, Tradevest holds BaFin licenses as a securities institution, ensuring full regulatory compliance. With our cutting-edge development hub located in Warsaw, Tradevest Technologies Warsaw, we drive the technical innovation behind our products. Additionally, through our brand WAWEX, we operate a state-of-the-art cryptocurrency exchange in Warsaw, providing a seamless and secure trading experience. Our mission is to empower institutional traders with advanced tools and technologies that redefine the trading landscape.
WAWEX is a cutting-edge fintech platform at the forefront of the digital finance revolution. Empowering financial institutions, brokers, and banks, WAWEX delivers seamless access to over 75 cryptocurrencies, combining state-of-the-art security with unparalleled market depth. Through innovative tokenization and real-time market insights, WAWEX is shaping the future of trading. With robust API integrations and 24/7 availability, this dynamic platform is designed for institutions ready to embrace the fast-paced world of digital assets and unlock limitless opportunities in global finance.