About this role
Kotlin Developer at Infakt Sp. z o.o.. Location: Kraków, Lesser Poland Voivodeship, Poland. Role: building services, ensuring scalability, using AI Requirements: 3+ years commercial backend experience in Java or Kotlin; strong Kotlin; Spring Boot or Ktor; Spring Security; Gradle (Kotlin DSL); PostgreSQL; microservices and async communication (e.g., RabbitMQ); JUnit/Kotest; familiarity with AI coding tools. Category: Software Development Seniority: Mid Level Tools: Kotlin, Java, Spring Boot, Ktor, Spring Security, Gradle, Kotlin DSL, PostgreSQL, RabbitMQ, JUnit, Kotest, Claude Code, GitHub Copilot, Cursor, AWS, Kubernetes, GitHub Actions, AppSignal Commitment: Full Time, Contract Workplace: Hybrid Languages: Polish