> Markdown version of [/jobs/ext/1615244-mobile-application-developer](https://www.wearedevelopers.com/jobs/ext/1615244-mobile-application-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mobile Application Developer - **Company:** Bjak - **Location:** Germany - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Apple IOS, Mobile Application Development, Software Debugging, Github, Mobile Application Software, Backend - **Published:** July 14, 2026 - **Apply:** https://www.adzuna.de/details/5797394573 ## About the Role * Strong mobile development experience in Android, iOS or both. * Experience shipping production mobile apps used by real users. * Good product sense, UX judgement and attention to edge cases. * Able to work across APIs, releases, debugging and production issues. * Hands-on builder who can take ownership without heavy guidance. * Clear evidence of shipped work: app links, GitHub, screenshots or project explanations., English is our main working language across global teams. Strong English communication is required. ## Description We are looking for mobile developers to build BJAK's AI Neobank app across Android and iOS. This role is for strong mobile builders who can ship clean, reliable and intuitive mobile experiences, whether their main strength is Android, iOS or both. What Will You Build * Build mobile features across Android, iOS or cross-platform flows depending on your strength. * Create clean journeys for onboarding, accounts, payments, cards, transfers, rewards, travel, FX and AI-assisted features. * Work from product problem to shipped mobile experience, not just assigned screens. * Collaborate with backend, design, product and AI teams to launch reliable customer-facing features. * Improve app quality through production feedback, analytics, crash reports and user behaviour. * Help raise the standard for mobile UX, reliability and speed across the product., We are looking for engineers with real technology career highlights. A strong highlight is not just working at a famous company. A strong highlight means you personally helped build, ship or scale a serious product, platform or system. This Role Is Not For * Engineers who only want fully defined tickets. * Developers who build screens without caring about user experience. * People who ignore crashes, edge cases, loading states or performance. * Engineers who move slowly in a startup environment. * People who exaggerate impact without explaining their actual contribution. ## Related Videos - [Xcode development redefAIned](https://www.wearedevelopers.com/videos/100195-xcode-development-redefained) - [Scalable architecture for mobile apps](https://www.wearedevelopers.com/videos/275-scalable-architecture-for-mobile-apps) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [There's an app for that - on the role of cross platform development in the app development ecosystem](https://www.wearedevelopers.com/videos/278-there-s-an-app-for-that-on-the-role-of-cross-platform-development-in-the-app-development-ecosystem) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) ## Related Articles - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Finding Jobs in Germany](https://www.wearedevelopers.com/magazine/375-finding-jobs-in-germany) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)