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Billennium

Software Engineer (Kotlin)

Billennium
Poland · Full-time · Mid-Senior

More about us

Billennium is a global technology company with over 20 years of experience, committed to innovation and empowering businesses. As an employer, we offer a supportive, growth-focused environment where collaboration and creativity thrive. Join us to shape the future of technology together!


About the Client

We are looking for a Software Engineer with Kotlin who will join a project for our client in the medical industry.


What you will do:

  • Adaptation and development of system functionalities using Kotlin and Groovy.
  • Design and implementation of system extensions based on business user requirements.
  • Creation and maintenance of unit and integration tests (using Spock).
  • Working with the database – designing SQL queries and optimizing performance.
  • Maintenance and development of the Gradle-based build environment.
  • Providing support in basic Linux system administration.


What we are looking for:

  • 3+ years experience in Kotlin & Groovy – used for backend development and scripting.
  • Understanding and experience with Spring Framework.
  • Familiarity with SQL (MariaDB)
  • Experience with Gradle
  • Understanding and experience with Spock & Linux


Perks and benefits:

  • Comprehensive benefits - enjoy Udemy for Business, private medical care, Multisport card, veterinary package, language lessons, and shopping vouchers.
  • Flexibility - adaptable working hours and remote/hybrid work options to suit your lifestyle & location.
  • Career growth - access opportunities for professional development and learning, including perks related to our official partnerships with global IT giants: Microsoft, AWS, Snowflake, Salesforce & more.
  • Global collaboration - work with a diverse, international team.
  • Innovative environment - be part of a forward-thinking and growth-oriented workplace.
  • Engaging community – Work with passionate professionals and participate in team-building events, hackathons, and CSR initiatives to make an impact beyond work.
  • Team-building events including our company tradition (annual company event in Mazury).
  • A pleasant surprise to start your journey with us in the form of a welcome pack.


Recruitment process:

  • HR call
  • Technical Interview
  • Interview with the dedicated Client
  • Final decision/ Feedback


Sounds interesting?

Click "Apply" and have a chance to hear more!

Key Skills

Ranked by relevance

salesforce kotlin gradle linux sql aws
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Posted
Jun 25, 2025
Type
Full-time
Level
Mid-Senior
Location
Poland
Company
Billennium

Industries

IT Services IT Consulting

Categories

Information Technology

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