Senior Full-Stack Mobile Developer

Quick Facts

• Role: Senior Full-Stack Mobile Developer

• Focus: Mobile development (iOS/Android) + Java/Spring Boot backend + microservices

• Client sector: Banking

Description

You will develop and maintain modern mobile solutions for iOS and Android that are used by bank customers, working across both the mobile layer and backend services. The role combines Kotlin/Kotlin Multiplatform (KMP) for shared mobile components with Java 7+ and Spring Boot for backend services and REST APIs. You will contribute to high-security, scalable, highly available, and high-performance systems in a cloud environment.

Responsibilities

• Develop and maintain mobile solutions for iOS and Android

• Create shared components and business logic using Kotlin Multiplatform (KMP)

• Develop backend services in Java and Spring Boot

• Design and build REST APIs and microservices

• Build scalable, highly available cloud-based solutions

• Integrate mobile apps with backend and external systems

• Implement and evolve mobile payment integrations, including Apple Pay and Google Pay

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

• Participate in CI/CD processes, automated builds, test automation, and deployments

• Use AI tools to support day-to-day development

• Collaborate on technical decisions, problem solving, and solution architecture

Requirements

• Strong experience in mobile development for iOS and Android

• Experience building applications with Kotlin and Kotlin Multiplatform (KMP)

• Backend experience with Java 7+ and Spring Boot

• Experience with REST API development and microservices

• Ability to build scalable, secure, and performant systems

• Knowledge of CI/CD and automated testing practices

• Experience with cloud environments, preferably AWS

• Understanding of integrating mobile apps with backend services

• Ability to work independently on technical decisions and complex issues

• English communication skills (minimum B2)

Benefits

• B2B contract cooperation

• Remote work