Fullstack Mobile Developer (Kotlin) (m/k)

Integral Solutions is looking for a skilled Fullstack Mobile Developer to join a team building next-generation digital financial products. You will work across mobile applications, shared mobile logic, and backend services, contributing to a development model focused on code reuse, strong ownership, and the practical application of AI development tools.

Key responsibilities

• Build and improve mobile features used by real customers while ensuring high performance and security.
• Develop shared business logic for mobile platforms using Kotlin Multiplatform (KMP).
• Build and maintain backend services and APIs using Java, Kotlin, and Spring Boot.
• Work with cloud services, CI/CD pipelines, monitoring, and production support systems.
• Collaborate with product, design, and architecture teams to define engineering practices and mentor other developers.

Requirements

• Strong experience in mobile application development with a deep understanding of iOS and Android architecture.
• Proficiency in Kotlin and experience building production-grade applications.
• Backend development experience using Java and Spring Boot, including knowledge of APIs and microservices.
• Ability to take full ownership of features from the design phase through to production.
• Experience with automated testing, CI/CD, and event-driven systems.

What we offer

• Private medical care and support for sports activities.
• Participation in integration events and a friendly, no-dress-code environment.
• Opportunities to work with modern technologies and influence technical solutions.
• Access to an employee referral program and holiday gifts.