Mobile Application Developer – Remote (Spain)

About the role

We are looking for a Mobile Application Developer to join BJAK’s AI‑enabled neobank team. The role is fully remote and open to candidates based in Spain. You will help design, build and ship high‑quality mobile experiences for Android and iOS users.

Key responsibilities

• Develop new features and improve existing flows across Android, iOS or cross‑platform codebases.
• Create end‑to‑end journeys for onboarding, payments, cards, transfers, rewards, travel, FX and AI‑assisted services.
• Collaborate with backend, design, product and AI teams to deliver reliable customer‑facing functionality.
• Monitor production metrics, crash reports and user behaviour to continuously raise app quality.
• Ensure performance, loading states and edge‑case handling meet high UX standards.

Required profile

• Proven experience shipping production mobile apps used by real users.
• Strong product sense and attention to detail for edge cases and performance.
• Ability to work independently, take ownership and solve debugging or release issues.
• Clear evidence of shipped work (app links, GitHub repos, screenshots, or project descriptions).

Required skills

• Android development
• iOS development
• Cross‑platform mobile development (e.g., React Native, Flutter)
• API integration and debugging

What we offer

• Opportunity to shape a next‑generation AI‑driven neobank.
• Fully remote work with a diverse, international team.
• Competitive compensation and growth prospects.