Kotlin Backend Engineer - Fintech Microservices | Remote

Sii Sp. z o.o.

Bydgoszcz

Hybrid

PLN 120,000 - 180,000

Full time

14 days+
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Benefits offered by this job

Great Place to Work
Stability and growth
Employee profit sharing
Benefits package
Remote-friendly environment

Job summary

Sii Sp. z o.o. называют себя ведущим partnerem w dziedzinie technologicznej w Polsce, poszukuje Regular Kotlin Developer, aby dołączyć do zespołu w Bydgoszczy.

Rola obejmuje projektowanie i utrzymanie mikroserwisów w Kotlinie, współpracę z zespołami z zakresu Platform, Services, SMB i innych domen, a także poprawę wydajności i stabilności systemu. Wymagana co najmniej 3 lata doświadczenia w programowaniu, praktyczna znajomość Kotlin, architektury mikroserwisów, chmury (AWS/Kubernetes) oraz

Qualifications

  • Minimum 3 years of professional experience in software development.
  • Hands-on experience with Kotlin in commercial projects.
  • Experience building backend systems and working with microservices architecture.
  • Basic experience with cloud environments (e.g., AWS, Kubernetes).
  • Experience with relational databases (e.g., PostgreSQL) as well as testing and observability tools (e.g., JUnit, Grafana).
  • Good command of English.
  • Residing in Poland required.

Responsibilities

  • Designing, building, and maintaining microservices using Kotlin
  • Collaborating with cross-functional teams to deliver solutions across Platform, Services, SMB, and other domains
  • Supporting system performance monitoring and contributing to improvements in reliability and scalability
  • Participating in code reviews and maintaining high code quality standards
  • Contributing to the continuous improvement of code quality and system architecture
  • Troubleshooting and resolving technical issues

Skills

English communication

Tools

Kotlin
AWS
Kubernetes
Microservices
PostgreSQL
JUnit 5

Job description

Sii Sp. z o.o. называют себя ведущим partnerem w dziedzinie technologicznej w Polsce, poszukuje Regular Kotlin Developer, aby dołączyć do zespołu w Bydgoszczy.

Rola obejmuje projektowanie i utrzymanie mikroserwisów w Kotlinie, współpracę z zespołami z zakresu Platform, Services, SMB i innych domen, a także poprawę wydajności i stabilności systemu. Wymagana co najmniej 3 lata doświadczenia w programowaniu, praktyczna znajomość Kotlin, architektury mikroserwisów, chmury (AWS/Kubernetes) oraz

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