Kotlin Developer

Sii Poland provides IT services and consulting, developing mobile applications for the banking sector. The company focuses on creating scalable, secure omnichannel platforms that utilize Kotlin Multiplatform to share business logic across mobile environments.

• Develop and maintain mobile applications within a banking ecosystem;
• Design and implement shared business logic using Kotlin Multiplatform for Android;
• Create user interfaces using Jetpack Compose and Compose Multiplatform;
• Integrate applications with banking systems, external services, and payment mechanisms;
• Ensure code quality through automated testing, code reviews, and architectural decision-making;
• Provide technical support, troubleshooting, and knowledge sharing within the team;
• Collaborate with product, backend, and iOS teams to deliver cohesive solutions;
• Maintain and develop CI/CD processes and application build and test pipelines.

• Minimum 5 years of experience as an Android Developer;
• At least 3 years of practical experience with Kotlin Multiplatform;
• Strong knowledge of Clean Architecture and SOLID principles;
• Minimum 2 years of experience in asynchronous programming using Coroutines or RxJava;
• Experience with Dependency Injection using Koin;
• Experience working with Jetpack Compose and Compose Multiplatform;
• Ability to write BDD tests;
• Fluent Polish language skills;
• Must be located in Poland.

• Solid financial situation;
• Profit sharing;
• Medical care;
• Access to internal training center;
• Passion Sponsorship program;
• Regular integration events and trips;
• Comfortable and well-equipped offices;
• Access to MySii app.