Senior Full-Stack Developer (Backend + Mobile)

Quick Facts

• Role: Senior Full-Stack Developer (Backend + Mobile)

• Focus: Mobile development (iOS/Android) + Java/Spring Boot backend for a banking client

Description

You will develop and maintain modern mobile applications and backend services for a banking project with high requirements for security, scalability, availability, and performance. The role combines Kotlin/Kotlin Multiplatform mobile work with Java and Spring Boot microservices and REST APIs. You’ll also handle payment integrations (Apple Pay/Google Pay) and mobile-backend integration.

Responsibilities

• Develop and maintain mobile solutions for iOS and Android

• Create shared components and logic using Kotlin Multiplatform

• Develop backend services in Java and Spring Boot

• Design and build REST APIs and microservices architecture

• Build scalable, high-availability cloud-based solutions

• Integrate mobile apps with backend and external systems

• Implement mobile payment integrations including Apple Pay and Google Pay

• Ensure code quality via unit, integration, and end-to-end tests and code reviews

• Participate in CI/CD processes and automation of builds, tests, and deployments

Requirements

• Experience combining Mobile (iOS/Android) development with backend development

• Experience building scalable, secure, and performant systems

• Knowledge of CI/CD practices and test automation

• Cloud experience, preferably AWS, and understanding mobile-to-backend integrations

• Use AI-assisted development tools (e.g., GitHub Copilot, Cursor, Claude Code, Gemini Code Assist)

• Independent developer who can make technical decisions and solve complex problems

• Ability to collaborate in English (min. B2)

Benefits

• B2B contract cooperation

• Remote work

• Medical care

• MultiSport card

• English language lessons