Are you looking for the next challenge in your career?

Would you like to be part of an excitinghighly qualified team of professionals in an international environment?

Senior Software Engineer with strong Bazel expertise

Join an international divisionand work alongside with some of the most talented engineers and technicians from all over the world.

Long-term secure contract.

International Project with top technologies

Possibility of working remotely with a flexibleschedule.

Integration in a highly qualifiedteam of professionals.

Travel abroad with your project.

Specialized training and continuous professional development.

Social benefits and flexible compensation plan.

About the Role The organization has already completed most of its Bazel adoption journey and has an established Bazel environment in place. The current challenge is focused on the migration of complex test frameworks and test suites to Bazel, ensuring scalability, maintainability, and execution efficiency.

This is a hands-on engineering role for someone who enjoys solving complex technical challenges in build systems, test infrastructure, and developer tooling.

Responsibilities

Migrate complex automated test suites and testing frameworks to Bazel.

Design, implement, and optimize Bazel build and test configurations.

Analyze and resolve challenging dependency, build, and test execution issues.

Improve developer productivity through tooling, automation, and CI/CD enhancements.

Collaborate with software development teams to support the adoption of Bazel-based testing practices.





Contribute to build system architecture, test infrastructure, and engineering best practices.

Work closely with experienced Bazel engineers on advanced technical challenges.

Required Skills

Strong hands-on experience with

Bazel .

Experience migrating software projects, build systems, or test frameworks to Bazel.

Solid software engineering background in

Java and Maven-based environments.

Experience with automated testing frameworks and large-scale test infrastructures.

Understanding of CI/CD pipelines and software delivery processes.

Strong problem-solving and debugging skills.

Ability to work independently within a highly technical engineering environment.

Preferred Skills

Experience with

Maven-to-Bazel migrations .

Knowledge of

C++

development environments.

Python scripting and automation experience.

Experience with build engineering, developer productivity, or platform engineering teams.

Exposure to large codebases and monorepo environments.

Idóneo Profile You are a senior engineer who has already worked with Bazel in production environments and understands the challenges of migrating complex test ecosystems. You are comfortable diving into difficult technical problems, collaborating with experienced engineers, and delivering pragmatic solutions that improve build and test reliability at scale.

We positively value all work or study experience abroad. All positions require a high level of English (at least B2) - please send your detailed CV in English.

📌 Senior Software Engineer – Bazel Test Migration (Java/Maven)- International Projects (Madrid)
🏢 ALTEN Delivery Centre Spain
📍 Madrid