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JVM Tooling Engineer (Senior/Staff)

JVM Tooling Engineer (Senior/Staff)
B2B60 000 - 90 000 $ GROSS PER YEAR
LOCATION + Remote South America: Argentina, Brazil, Chile, Colombia
Apply now

VirtusLab is a leading European software consulting and engineering company. 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 professionals to make a substantial impact in the software industry.

About the role

Java / Scala Advanced
AI - assisted development Advanced
Python or Typescript Nice to have
Angular or React Nice to have
English Advanced
View available projects
Project
Strato
Project scope

Partnering with one of the largest JVM-based codebases in the world. The scope involves creating and maintaining advanced tooling that enables over a thousand active developers to work seamlessly on a shared codebase. Daily operations include merging over a hundred PRs and executing hundreds of thousands of automated tests. The team provides comprehensive infrastructure support, ranging from custom compilers and formatters to IntelliJ, Jenkins CI/CD pipelines, and Web tooling integrated with BitBucket for optimized PR management. Additionally, the project is at the forefront of evaluating, enabling, and integrating LLMs into the SDLC.

Tech stack

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

Tools and workflow

Claude Code, Amp, IntelliJ, git, Kanban, Windows via Citrix, JIRA, BitBucket

Key Challenges

  • Optimizing Git, IntelliJ, Bitbucket, Jenkins, and other OSS tools for hyper-scale codebases.

  • Resolving complex, undocumented technical issues with zero existing public documentation.

  • Delivering high-reliability code to minimize support overhead.

  • Planning and managing assignments autonomously.

  • Architecting processes to enable a 10x speedup in development via LLM integration.

  • Mitigating security risks associated with LLM adoption across the SDLC.

Team & Delivery Structure

  • Distributed engineering framework consisting of 15 experts across North America, Europe, and Asia.

  • Project coordination led by a US-based Product Owner/Delivery Manager.

  • Flexible scheduling aligned with standard business hours (no operational requirement for night shifts).

  • Quality Assurance for tooling releases managed within the team’s delivery scope.

  • Cooperation with approximately 10 developers from VL.

Required Expertise and Competencies

  • Availability overlapping with GMT+3 to GMT+5 timezones for synchronous collaboration.

  • Proficiency with Java, Scala, or other JVM-based languages.

  • Proven track record in debugging, profiling memory, and resolving GC issues on the JVM.

  • Extensive experience in architecting complex software systems.

  • Hands-on experience with AI-assisted development and LLM tools.

  • Strong communication skills and a pragmatic approach to technical problem-solving.

  • Collaborative mindset and ability to cooperate effectively within cross-functional teams.

  • Strong analytical skills with a focus on proposing and implementing solutions alongside other senior developers.

  • Experience in aligning deliverables with external teams and established corporate processes.

  • Proven experience in extending developer tooling (IDEs, CI/CD systems).

  • Experience with Python tooling (nice-to-have).

A few perks of being with us

Language lessons
Language lessons
Training Package
Training Package
Access to the above perks is optional and completely voluntary for B2B contractors

Apply now

JVM Tooling Engineer (Senior/Staff)

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Please submit a CV no longer than two pages.
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 Szlak 49 Street, 31-153 Cracow. 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 Szlak 49 Street, 31-153 Cracow. 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 Szlak 49 Street, 31-153 Cracow, 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 Szlak 49 Street, 31-153 Cracow, 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*.

Karolina Buraś
Coordinated by
Karolina Buraś
Senior IT Talent Acquisition Specialist
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JVM Tooling Engineer (Senior/Staff)
B2B60 000 - 90 000 $ GROSS PER YEAR
LOCATION + Remote South America: Argentina, Brazil, Chile, Colombia
Apply now
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