Build Engineer (Senior)

Virtus Lab Sp. z o.o. All trademarks their respective owners; Deutschland; Vor Ort; EUR 82.656 - 165.312; Vollzeit

Benefits dieser Stelle

Home office reimbursement

Training Package

Virtusity / in-house training

Zusammenfassung

VirtusLab is searching for an experienced backend/DevOps engineer to lead a strategic migration of our CI/CD platform. You will architect and execute the transition from CircleCI to GitHub Actions, overseeing a large 30-machine parallel test infrastructure hosted in Azure, while consolidating repositories into Open Source projects.

You will act as the owner of the migration strategy, driving tooling improvements, testing solutions, and collaboration across agile teams to ensure a successful

Qualifikationen

• 5+ years of commercial experience in backend, DevOps, or platform engineering.
• Proven track record in building tools, maintaining CI/CD pipelines, and optimizing SDLC.
• Practical knowledge of Bazel or another major build tool.
• Deep understanding of the JVM ecosystem and related tooling/languages.
• Strong communication and results‑oriented problem solving.
• Collaborative work in cross-functional, agile projects.
• High autonomy and ability to deliver independently.

Aufgaben

• Architect the migration from CircleCI to GitHub Actions.
• Manage a 30-machine parallel CI/test runs and optimize for speed.
• Consolidate codebases into public Open Source repositories.
• Provide end-to-end consulting and deliver the technical plan and testing solutions.
• Collaborate with cross-functional teams to ensure smooth delivery.

Kenntnisse

Backend

DevOps

Platform engineering

JVM ecosystem

Tools

Bazel

Jobbeschreibung

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

Scripting (Bash/Scala) Advanced

CI/CD (GitHub Actions preferred) Advanced

Build Tools (sbt) Nice to have

Project

Build migration & Open Source Transition

Project Scope The project involves managing a large-scale CI/CD infrastructure currently transitioning its build system to an Open Source model. The existing environment is hosted on Azure and utilizes CircleCI. The objective is migrating this entire ecosystem to GitHub Actions, merging private repositories into public ones to foster community collaboration.

This is a high-stakes environment supporting over 40 developers where “every minute counts.” The CI pipeline is large-scale – a single test run utilizing up to 30 machines – making performance and reliability critical success factors.

Strategic Migration: Architecting and executing the transition from CircleCI to GitHub Actions.

Scalability at Scale: Managing a complex CI handling 30-machine parallel test runs and optimizing it for maximum speed.

Repository Consolidation: Merging codebases into public Open Source repositories.

Ownership & Strategy: Providing end-to-end consulting, delivering the technical plan, testing solutions, and adjusting the strategy to ensure the final success of the migration.

Core Scope of Expertise & Requirements

5+ years of commercial experience in backend, DevOps, or platform engineering.

Proven track record in developing solutions centered around building tools, maintaining robust CI/CD pipelines, and optimizing the software development lifecycle.

Practical knowledge of Bazel or at least one other major build tool.

Deep understanding of the JVM ecosystem and related tooling/languages.

Strong communication skills combined with a pragmatic, results-oriented approach to problem-solving.

Seamless collaboration within a cross-functional, agile project environment.

Proactive problem-solving and efficient communication within the project ecosystem to ensure smooth delivery.

Flexibility regarding specific technologies (beyond JVM tools), with high value placed on a strong interest in build tools and maximizing developer productivity.

High autonomy in task execution, self-management, and independent delivery driving.

A few perks of being with us

• Building tech community
• Home office reimbursement
• Training Package
• Virtusity / in-house training
• Access to the above perks is optional and completely voluntary for B2B contractors