Senior Mobile Developer

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.