Java Developer M/WHays Luxembourg • Luxembourg, Luxembourg

Java Developer M / W

Hays Luxembourg • Luxembourg, Luxembourg

20 days ago

Job description

We are looking for a Software Development Engineer in Test.

Freelance contract or permanent contract via a payrolling company
English fluent is mandatory

You will be part of a Software Development team (Java, Javascript and Typescript developers)

Enhance overall functional performance across mission‑critical applications.

Develop, maintain, and optimize robust automated testing frameworks (unit, integration, end‑to‑end).

Ensure the highest level of product quality through proactive testing and continuous improvement.

Apply strong Java software development expertise to build scalable, secure, and maintainable solutions.

Collaborate with cross‑functional teams (DevOps, Product, Architecture) to deliver high‑value features.

Identify defects early in the development cycle and drive root‑cause analysis with relevant teams.

Implement best practices in code quality, performance optimization, and technical documentation.

Participate in code reviews, propose architectural improvements, and support continuous delivery processes.

Contribute to the evolution of CI / CD pipelines to reinforce testing automation and deployment reliability.

Monitor application behavior and performance, suggesting improvements to enhance user experience.

Main skills :

4 years in SDET domain with the focus on REST API and Web UI Testing

Strong programming skills in Java, Python, JavaScript / Typescript

Good understanding of REST APIs, Microservices and Web UI testing; software development principles, object-oriented programming, and design patterns

Experience with testing frameworks (Junit, TestNG, Cypress, Playwright, PyTest)

Familiarity with CI / CD tools (Gitlab)

Knowledge of Cloud platforms (Azure)

Familiarity with containerization (Docker, Kubernetes)

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Java Developer MW • Luxembourg, Luxembourg

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