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Sii Sp. z o.o.

Regular Kotlin Developer (f/m/x)

Sii Sp. z o.o. Show all offers
B2B
Hybrid
Mid
Gdańsk, Pomeranian
Kraków
Poznań
Łódź
+10
Expires Oct 11, 2026
7 days ago

In short

Kotlin Developer (f/m/x) in Gdańsk. Design, build, maintain microservices. Collaborate with teams, support system performance, review code. Requires 3+ yrs experience, Kotlin, backend, microservices, cloud (AWS, Kubernetes), PostgreSQL, JUnit, Grafana. Hybrid role.

Keywords

Kotlin Microservices Backend AWS Kubernetes PostgreSQL JUnit Grafana

AI-written summary based on the listing content.

Technologies we use

About the project

Your 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

Our requirements

  • 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

What we offer

  • Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas
  • Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market
  • We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022
  • Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more
  • Comfortable workplace – class A offices or remote work
  • Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application
  • PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers
  • Investment in your growth – meetups, webinars, training platform and technology blog – you choose
  • Fantastic atmosphere created by all Sii Power People
Published 2026-09-11
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