Senior Mobile Developer

Senior Mobile Developer 169 - 190 PLN/hour + VAT (B2B) | 20 750 - 23 240 PLN gross (UoP) JOIN US About us At Framna, we partner with ambitious brands to create digital products that make a meaningful impact. We work across the full product journey, from strategy and UX to engineering and long-term growth, combining technical expertise with a strong product mindset. Together with our partners, we build solutions that users rely on every day. Our culture is built on trust, ownership, and fearless collaboration. We challenge ideas, support each other, and keep learning—openly sharing feedback, staying flexible in how we work, and approaching each other with empathy. Because the best products are created by teams that move forward together. About the role You will join a team building a next-generation, passwordless authentication platform used by millions worldwide , leveraging advanced biometrics to secure digital identities and enable seamless access. In this role, you will play a key part in building innovative, high-performance SDKs that will run on millions of devices worldwide. As a developer in this team, you will focus on deep integration with Android and iOS internals, researching system services and security mechanisms to stay ahead of platform changes. Working on developer-centric products, you will collaborate with security researchers and backend engineers to design advanced solutions for sectors like banking. We meet regularly in the studio to stay connected, share perspectives, and keep the team energy strong. Preferred skills & qualifications At least 8 years of commercial programming experience in mobile development (Android or iOS, both platforms an advantage) Strong practical experience in developing mobile SDKs, preferably used by third-party developers and large-scale organizations Knowledge about OS internals (memory, threading, security models) Understanding of asynchronous programming and concurrency in mobile applications Understanding application lifecycle management, resource management and performance optimization Knowledge of mobile testing strategies Experience with AI tools for coding, testing, and documentation, and helping teammates in resolving common technical issues Ability to work independently Experience with CI/CD pipelines for mobile applications Familiarity with app publishing processes on both App Store and Google Play Very good communication skills in English and Polish We would also appreciate if you have Experience with cross-platform mobile development Knowledge of security solutions for mobile platforms (RASP, root/jailbreak detection, anti-tampering, etc.) Familiarity with performance profiling and debugging tools (e.g., Instruments, Perfetto, Systrace) Familiarity with hardware components (TEE, Secure Enclave, KeyStore) What you will find at Framna Real ownership and influence on the products you build A focus on business value over technical perfection Continuous feedback and open, honest communication Regular 1:1s and a mentoring program to support your growth Internal workshops and knowledge sharing across teams Flexible working hours (you can start between 7:00–10:00) Hybrid model with regular in-studio collaboration (Gdańsk, Wrzeszcz) High-quality equipment, including MacBook and testing devices Individual training budget English classes in small groups Plus the essentials: Private medical care (Compensa) and MultiSport Team gatherings and shared moments beyond work If you are motivated by ownership, collaboration, and continuous improvement, and you enjoy solving real problems with a team you can rely on—you will feel at home at Framna. Let’s build impactful products together. Department Engineering Role iOS Developer Locations Gdańsk Remote status Hybrid Employment type Full-time About Framna Framna is a diverse and global team of builders, thinkers, and creators. We are united by one mission: to craft digital products that make everyday life better for millions of people worldwide. Today, over 600 of us collaborate across ten studios in Denmark, the Netherlands, Poland, Sweden, Switzerland, and the US. Our name, rooted in Old Norse, means “to bring forward.” And that is exactly what we do. We partner with industry leaders (and those about to be) to create digital products that define markets, reshape industries, and drive meaningful growth. We call it Win by product.