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

We are building with our partner a next-generation passwordless authentication platform used by millions worldwide. It uses advanced biometrics to secure digital identities and enable one-touch access. The solution supports document and biometric verification, data processing, and configurable verification criteria. 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.

Please note that we follow a hybrid model with a requirement for regular in-office syncs to foster team collaboration.

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

• advanced level of English and Polish (written and spoken)

Nice to 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.