Senior Fullstack Mobile Engineer (KMP/Java)

Integral SolutionsFintech

Workplace type: remote; Country code: PLContractSenior

Salary7,000 - 7,500 EUR per month

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Job Details

Have strong commercial experience in mobile application development with Kotlin or Kotlin Multiplatform.
Understand modern Android or iOS architectures and software design principles.
Have strong Kotlin skills and experience building production-grade applications.
Have some backend development experience with Java, Spring Boot, APIs, and microservices.
Be familiar with distributed systems, event-driven architectures, and modern engineering practices.
Have experience with CI/CD, automated testing, and production environments.
Be able to take end-to-end ownership of features from design through production.
Meet the listed English language level of C1.

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.
Work with cloud services, CI/CD, observability, monitoring, and production systems.
Improve scalability, reliability, performance, security, and user experience.
Collaborate with product, design, architecture, security, and platform teams.
Drive engineering excellence through technical leadership, mentoring, and best practices.

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