Java Engineer - Contract Testing - Microservices
Can you imagine helping teams prevent breaking changes across microservices through automated contract testing? Join our expert team to work on a modern software quality initiative, contributing to the implementation of a contract testing framework for microservices integration. You will apply your knowledge of Pact , GitHub Actions , CI/CD practices and automated testing to ensure service compatibility, contract validation and reliable deployments across multiple technology stacks.
How do we make this happen?
We provide support during the first six months through a dedicated mentor and administrative support.
What You Will Bring
- Strong experience with contract testing frameworks such as Pact or similar solutions.
- Proficiency implementing CI/CD pipelines with GitHub Actions and automated testing processes.
- Solid experience working with Java Spring Boot; knowledge of Node.js is a plus.
- Strong understanding of microservices architecture, service integration and mock server implementations.
- Ability to work autonomously while producing high‑quality technical documentation.
You will be responsible for designing and implementing a contract testing framework architecture together with the Tech Lead, integrating Pact Broker, consumer and provider testing, automated validation and CI/CD workflows. You will establish regression testing strategies, implement pull request quality gates, support multiple technology stacks and create onboarding documentation to ensure framework adoption across development teams.
What if the project ends?
We work on a wide variety of projects, technologies and sectors, allowing you to keep growing in different environments. If a project ends or you feel ready for a new challenge, we will find another one that aligns with your professional development.
Our working model
We ask you to be available for key meetings. You can leave for appointments or personal commitments and the focus is on delivering quality work within a 40‑hour workweek. The model is hybrid: we usually go to the office two days a week, though this depends on the project and team.
You Will Also Enjoy
- Certification support and rewards for technical achievements up to €1,500.
- Private health insurance.
- Full coverage for sick leave.
- Free emotional, legal and family support.
- Gym discounts or sports compensation.
- Flexible remuneration for meals, transport, childcare and other benefits.
- Referral bonuses up to €6,000 per candidate and €5,000 per client.
- 23 working days of vacation.
- Free language courses in English, Spanish, Catalan and German.
ERNI is a Swiss software engineering company with over 25 years of experience building complex, customized software solutions. Our teams focus on prioritizing the software lifecycle, writing clean and secure code, and delivering high‑impact solutions across industries such as gaming, FMCG and health‑tech.
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