Senior KMP Engineer (Mobile & Backend)

Integral Solutions is looking for a Senior KMP Engineer to join a team building one of the largest digital financial platforms, serving millions of customers and processing millions of real-time transactions monthly. You will contribute across the entire technology stack, working on mobile applications, shared cross-platform logic, and backend services to deliver seamless financial experiences.

Key responsibilities

• Develop shared business logic across mobile platforms using Kotlin Multiplatform (KMP).
• Design and build backend services and APIs using Java, Kotlin, and Spring Boot.
• Build and enhance customer-facing mobile features used by real customers every day.
• Work with cloud services, CI/CD, observability, monitoring, and production systems.
• Drive engineering excellence through technical leadership, mentoring, and best practices.

Requirements

• Strong commercial experience in mobile application development with Kotlin or Kotlin Multiplatform.
• Deep understanding of modern Android or iOS architectures and software design principles.
• Strong Kotlin skills and experience building high-quality, production-grade applications.
• Backend development experience with Java, Spring Boot, APIs, and microservices.
• Ability to take end-to-end ownership of features from design through production.

What we offer

• Cafeteria benefits package including private healthcare or a Multisport card.
• Access to learning and language training platforms.
• Company events and birthday celebrations.
• MacBook as your primary work device.