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JVM Tooling Engineer (Senior)

JVM Tooling Engineer (Senior)
B2B21 000 - 27 000 PLN NET
LOCATION + Remote Poland: Kielce, Kraków, Wrocław
Apply now
VirtusLab is a leading European software consulting and engineering company, home to over 350 EU-based professionals. Our mission is to craft clean code and practical solutions with precision and purpose. We foster a dynamic culture rooted in strong engineering, a sense of ownership, and transparency, empowering our team. As part of the expanding VirtusLab Group, we offer a compelling environment for those seeking to make a substantial impact in the software industry within a forward-thinking organization.

If you’re unsure whether you meet all the requirements, we still want you to apply. What matters most is your passion and willingness to develop. We prefer B2B, but it does not have to be the only form of cooperation. Apply and find out!

About the role

  • Build and maintain internal tooling that supports the software development lifecycle, focusing on test infrastructure, code reviews, and integration testing
  • Work with a large-scale JVM-based codebase used by over a thousand developers
  • Write reliable, maintainable code primarily in Scala, integrating with systems like git, BitBucket, and Jira
  • Debug complex issues with limited external documentation or support
  • Collaborate with distributed team members across North America, Europe, and Asia using Kanban workflows
  • Analyze problems quickly and implement effective solutions while considering long-term impact
  • Coordinate with external teams to align tooling improvements with broader development processes
  • Manage your own tasks effectively without needing to work outside standard hours
Java / Scala Advanced
Functional Programming Nice to have
Python Nice to have
TypeScript Nice to have
Bazel Nice to have
English Advanced
View available projects
Project
R-sphere

The project supports one of the world’s largest JVM-based codebases, enabling over a thousand developers to collaborate efficiently. It focuses on building and maintaining internal tools that streamline software development processes such as testing, code reviews, and integration. The team ensures high reliability across hundreds of daily pull requests and test executions.

Tech stack

JVM, Scala 2.13, Java (8–20+), Groovy (in Jenkins pipelines), Python

Your future team

The team consists of over 10 experienced engineers distributed across North America, Europe, and Asia. They specialize in JVM-based development and collaborate closely to build robust internal tools that support large-scale software engineering workflows.

What we expect

  • Write clean, maintainable code in Scala or another JVM-based language
  • Build complex software systems with a focus on performance and reliability
  • Apply strong knowledge of data structures, algorithms, and core programming concepts
  • Communicate clearly and work effectively within a distributed team
  • Solve technical problems pragmatically while keeping long-term goals in mind
  • Collaborate with external teams to align tooling with broader workflows
  • Extend developer tools such as IDEs or CI/CD systems when needed

Nice to have

  • Experience with Python for scripting or tooling tasks
  • Background in designing GUI applications

A few perks of being with us

Building tech community
Building tech community
Flexible hybrid work model
Flexible hybrid work model
Home office reimbursement
Home office reimbursement
Language lessons
Language lessons
MyBenefit points
MyBenefit points
Private healthcare
Private healthcare
Training Package
Training Package
Virtusity / in-house training
Virtusity / in-house training
And a lot more!

Apply now

JVM Tooling Engineer (Senior)

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Current recruitment process: For the purpose of recruitment, I hereby give consent as per art. 6.1.a of the GDPR to processing of my personal data (other than that listed in art. 22 [1] § 1 Labour Code) by Virtus Lab Sp. z o. o. (as Co-Controller for a full list of joint controllers, see Privacy Policy) with its headquarters at 23 Zofii Nałkowskiej Street, Rzeszów, 35-211. At the same time I accept the Privacy Policy of the Data Controller. I acknowledge that my personal data will be kept for the duration of the recruitment process and as regards any potential claims, for the period of 36 months maximum, and that I have the right to access this data or have it rectified or deleted on demand. This consent can be withdrawn at any time, but this withdrawal does not make the previous processing illegal*.(Required)*

Current recruitment process: For the purpose of recruitment, I hereby give consent as per art. 6.1.a of the GDPR to processing of my personal data (other than that listed in art. 22 [1] § 1 Labour Code) by Virtus Lab Sp. z o. o. (as Co-Controller for a full list of joint controllers, see Privacy Policy) with its headquarters at 23 Zofii Nałkowskiej Street, Rzeszów, 35-211. At the same time I accept the Privacy Policy of the Data Controller. I acknowledge that my personal data will be kept for the duration of the recruitment process and as regards any potential claims, for the period of 36 months maximum, and that I have the right to access this data or have it rectified or deleted on demand. This consent can be withdrawn at any time, but this withdrawal does not make the previous processing illegal*.

(Required)
Future recruitment processes: I hereby give consent as per art. 6.1.a of the GDPR to the processing of my personal data by Virtus Lab Sp. z o. o. (as Co-Controller for a full list of joint controllers, see Privacy Policy) with its headquarters at 23 Zofii Nałkowskiej Street, Rzeszów, 35-211, in order to use this data in future recruitment processes. I hereby agree to possible storage of my personal data for this purpose in Virtus Lab’s database for a period of 36 months maximum. At the same time I accept the Privacy Policy of the Data Controller. I acknowledge that I have the right to access this data or have it rectified or deleted on demand. This consent can be withdrawn at any point, but this does not make the previous processing illegal*.

Future recruitment processes: I hereby give consent as per art. 6.1.a of the GDPR to the processing of my personal data by Virtus Lab Sp. z o. o. (as Co-Controller for a full list of joint controllers, see Privacy Policy) with its headquarters at 23 Zofii Nałkowskiej Street, Rzeszów, 35-211, in order to use this data in future recruitment processes. I hereby agree to possible storage of my personal data for this purpose in Virtus Lab’s database for a period of 36 months maximum. At the same time I accept the Privacy Policy of the Data Controller. I acknowledge that I have the right to access this data or have it rectified or deleted on demand. This consent can be withdrawn at any point, but this does not make the previous processing illegal*.

Paulina Radzimowska
Coordinated by
Paulina Radzimowska
Senior IT Talent Acquisition Specialist
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JVM Tooling Engineer (Senior)
B2B21 000 - 27 000 PLN NET
LOCATION + Remote Poland: Kielce, Kraków, Wrocław
Apply now
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