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[GDT] Software Engineer (Kotlin)

Kraków, Lesser Poland Voivodeship, pl🌐 Remote💼 Full-time🗓 2026-09-30 → 2026-10-01

Core

Develop and maintain scalable telecommunications applications using Kotlin and Java, ensuring code quality and implementing new functionalities.

Role type

Mid-level Software Engineer (Kotlin)

Builds

Telecommunications applications

Domain

Telecommunications

Deliverable

production ML models | product features

Required skills

Kotlin, Java, Spring Boot, OIDC, integration testing, regression testing, acceptance testing, production support, code refactoring

Preferred skills

English (B2), teamwork, independence, proactive approach

Technologies

Kotlin, Java, Spring Boot, OIDC

Responsibilities

Refactor code to ensure scalability and maintainability; Implement new application functionalities; Create and maintain development documentation; Perform integration, regression, and acceptance testing; Provide production support for error resolution

Seniority

Mid-level, hands-on IC

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