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Kotlin Engineer (Senior)
  • Wrocław
Kotlin Engineer (Senior)
Wrocław, Wrocław, Lower Silesian Voivodeship, Polska
VirtusLab Sp. z o.o.
13. 7. 2025
Informacje o stanowisku

technologies-expected :


  • Kotlin
  • Java
  • Spring Boot
  • Maven
  • Gradle
  • MSBuild
  • NPM
  • Unity

technologies-optional :


  • .NET
  • Node.js

about-project :


  • The project expands CI/CD capabilities by integrating a wide range of build tools including Maven, Gradle, MSBuild, and NPM, along with external platforms like Unity and Unreal. It focuses on delivering accurate test reporting, efficient issue analysis, and customizable build pipeline recipes within developer environments.
  • Tech stack: Java, Kotlin, Spring Framework, Maven, Gradle, .NET, NodeJS
  • Your future team
  • The team consists of two engineers working closely with the client’s experienced engineering group. They focus on developer tooling and build system integration, collaborating across locations to deliver robust CI/CD solutions.

responsibilities :


  • Build and enhance a web application that manages developer tooling for CI/CD pipelines
  • Develop and maintain integrations with build tools like Maven, Gradle, MSBuild, NPM, Unity, and Unreal
  • Implement features for test reporting, issue analysis, and customizable build pipeline recipes
  • Work with Java 17+, Kotlin, Spring Boot, and related technologies to deliver high-quality solutions
  • Integrate CLI tool outputs into the web application for better diagnostics and improved usability for end-users
  • Collaborate closely with the client’s engineering team to align on technical goals and improvements
  • Contribute to cross-team technical enhancements and propose bottom-up initiatives
  • Handle asynchronous systems effectively; use Kotlin Coroutines where applicable
  • Take ownership of tasks with a proactive mindset and communicate clearly in English

requirements-expected :


  • Write clean, maintainable code in Kotlin and Java 17+ using Spring Boot
  • Integrate a variety of build tools such as Maven, Gradle, MSBuild, NPM, Unity, and Unreal into CI/CD workflows
  • Work comfortably with CLI tool outputs and connect them to web-based systems
  • Understand asynchronous programming concepts; familiarity with Kotlin Coroutines is a plus
  • Take initiative on technical improvements and collaborate effectively across teams
  • Communicate clearly in English and manage tasks independently with a proactive mindset

offered :


  • Flexible hybrid work model - you decide where & when to start the work. You can work remotely or join us in one of our modern offices (Krakow, Kielce, Wroclaw), always located in the city centers. Just choose what suits you best!
  • Language lessons - we refund up to 500 PLN (per quarter) for learning all languages you would like to take! What’s more, we refund up to 1 000 PLN (per quarter) for learning the English language.
  • Virtusity – our training division - we really value the personal growth of our #VLteam. That’s why we have a rich offer of internal courses, workshops, etc. (technical, as well as soft skills training) conducted by our employees.
  • Training Package - use our training budget and 24 paid work hours for your development. You can choose the training from our Virtusity portfolio or external conferences, courses, workshops, etc.
  • Home office reimbursement - you can rent all the necessary equipment from our offices, but you can also get up to 800 PLN financial support to set up your WFH.
  • Multisport card or MyBenefit points - do you like sports and want free unlimited admission to sports facilities in your city? Or maybe you prefer the cinema, SPA in the mountains, delicious dinner, or Allegro shopping? At VirtusLab, you decide whether you choose a sports card or vouchers for countless attractions.
  • Private healthcare - our insurers offer allows you to have free health advice, treatments, diagnostic tests, etc., in more than 1,500 clinics operating all over the country.
  • Building tech community - we run 9 meetup groups in Kraków, Kielce, and Rzeszów and support many other local initiatives. We also contribute to numerous open-source projects (world-famous solutions and create our own ones). Check out also Sphere.it - our unique platform with tech videos and online events.

benefits :


  • sharing the costs of sports activities
  • private medical care
  • sharing the costs of foreign language classes
  • sharing the costs of professional training & courses
  • remote work opportunities
  • flexible working time
  • integration events

  • Praca Wrocław
  • Wrocław - Oferty pracy w okolicznych lokalizacjach


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