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September 18, 2026

Senior Mobile Developer

Senior • Remote

150 - 188 PLN/yr

Warsaw, Maz, Poland

Quick Facts

  • Develop and maintain iOS and Android mobile solutions for a banking-sector client
  • Combine mobile development with backend services (Java, Spring Boot)
  • Work with security, scalability, availability, and performance requirements

Description

Build modern mobile applications for bank customers, including shared components and business logic using Kotlin Multiplatform. Design and implement backend services and REST APIs in a microservices architecture. You will also integrate mobile applications with backend services and external systems, including mobile payments.

Responsibilities

  • Develop and maintain mobile solutions for iOS and Android
  • Build shared components and business logic using Kotlin Multiplatform
  • Develop backend services using Java and Spring Boot
  • Design and develop REST APIs and services within microservices architecture
  • Implement scalable, highly available cloud-based solutions
  • Integrate mobile applications with backend services and external systems
  • Develop integrations for mobile payments (Apple Pay and Google Pay)
  • Ensure code quality with unit, integration, and end-to-end testing and code reviews
  • Participate in CI/CD processes and automate builds, testing, and deployments
  • Use AI-assisted development tools day to day
  • Collaborate with the team on technical decisions and solution architecture evolution

Benefits

  • B2B contract
  • Remote work

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