Senior Test Engineer: Cloud, API & CI/CD Automation

keystone-solutions; Brussel; On-site; EUR 65,000 - 90,000; Full time

Job summary

Keystone Solutions seeks an expert Test Engineer to join a consultancy mission at a client site as part of a modernization program for the eDossier system. The role covers cloud, APIs, zero trust, and microservices with emphasis on automated testing and rapid feedback in DevOps processes.

You will develop and execute functional, API, UI, and integration tests, validate contracts, ensure data integrity, and support end-to-end user flows across environments.

Qualifications

• Master's degree in Computer Science or equivalent.
• 5 years experience in test automation.
• 5 years experience in monitoring and observability (Grafana).
• 5 years experience in API testing with OpenAPI.
• 5 years experience in UI testing with Cypress.
• 5 years experience in regression and integration testing (JUnit and Cucumber).
• 5 years experience in performance, stress and load testing (JMeter and Gatling).
• 5 years experience in CI/CD pipelines (Azure DevOps).
• 5 years experience in contract testing, mocking and service virtualization.
• 3 years experience with SQL databases.
• 5 years experience in agile delivery teams.
• 5 years experience with Java SE10+.
• 5 years experience with Python and JavaScript.
• 5 years experience with test automation.
• 5 years experience with UI test frameworks/tools.

Responsibilities

Skills

SQL databases

Agile delivery teams

API test frameworks

Build tools

Contract testing

E2E testing

CI/CD

Java SE10+

Monitoring & observability

Performance testing

Python

JavaScript

Regression testing

Test automation

UI testing

Education

Master's degree in Computer Science

Job description

Keystone Solutions seeks an expert Test Engineer to join a consultancy mission at a client site as part of a modernization program for the eDossier system. The role covers cloud, APIs, zero trust, and microservices with emphasis on automated testing and rapid feedback in DevOps processes.

You will develop and execute functional, API, UI, and integration tests, validate contracts, ensure data integrity, and support end-to-end user flows across environments.