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Koderia, s. r. o.
Registered office: Dúbravská cesta 1793/2, 841 04 Bratislava – Karlova Ves
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NewRemote 40%

Medior Java/Kotlin Backend vývojář

Cooperation type: B2B
Compensation: from 260 € / manday
Location: Praha
Seniority: Medior
Project length: 12 months
Start: 9/28/2026
Language: Czech
Profession: Back-end

Required technologies

KotlinREST APIJavaDockerSpring FrameworkKubernetesSOAPCI/CDSpring Boot

General Description

Would you like to develop a product used by hundreds of thousands of people every day? Join a team developing one of the most widely used digital identity services in the Czech Republic.

The service enables users to securely confirm payments, sign documents, and log in to government and private-sector services. We are looking for a mid-level backend developer who wants to become part of an agile team, contribute to solution design, and help shape the direction of the product.

What will you be doing?

  • Developing new features for the digital identity service.
  • Designing technical solutions in cooperation with analysts and architects.
  • Improving the performance, stability, and security of applications.
  • Developing and automating CI/CD.
  • Conducting code reviews and sharing knowledge within the Java community.
  • Working as part of an agile Scrum team.

Requirements

We are looking for a candidate who:

  • Has experience with backend development in Java or Kotlin.
  • Has worked with Spring Framework.
  • Has experience creating or integrating API services.
  • Uses Git regularly as a work tool.
  • Can take responsibility for their solutions and see tasks through to completion.

The technology stack includes Java 17+, Kotlin, Spring Boot, REST API, SOAP, Git, Maven, Jira, Confluence, Docker, and Kubernetes.

You will work on a product with a real-world impact, high security requirements, and a modern technology stack. Your work will help develop a service used every day by hundreds of thousands of users across the Czech Republic.

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