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

Keystone Solutions; Belgique; À distance; EUR 60 000 - 95 000; Plein temps

Résumé du poste

Keystone Solutions seeks an expert Test Engineer for a consultancy mission at a client site. You will develop a test strategy for the eDossier modernization program, implement agile operational testing, and automate tests across APIs, microservices, and UI layers.

The role demands 5 years of test automation, API/UI tooling, CI/CD integration and strong communication in English plus Dutch or French; 01/12/2026 to 30/11/2027 (full time) in Belgium.

Qualifications

• Master's degree in Computer Science or equivalent.
• Extensive self-education in cloud-native engineering, development, and testing.
• 5 years' hands-on experience in monitoring/observability (Grafana preferred).
• 5 years' hands-on experience in test automation implementation.
• 5 years' Java SE10+ experience.
• 5 years' experience with Python/JavaScript.
• 5 years' API test frameworks/tools (BRUNO preferred).
• 5 years' UI test frameworks/tools (CYPRESS preferred).
• 5 years' regression and integration testing (JUnit/Cucumber).
• 5 years' performance, stress, load testing (JMETER/Gatling).
• 5 years' CI/CD integration of tests (Azure DevOps).
• 5 years' contract testing, mocking, service virtualization.
• 3 years' SQL databases experience.
• 5 years' agile delivery teamwork.

Responsabilités

• Develop and implement a test strategy for eDossier context (cloud, APIs, zero trust, microservices).
• Create an agile operational test plan (business and technical) and automate where possible.
• Conduct functional testing to validate business logic in microservices and APIs; ensure data integrity and E2E flows.
• Perform API testing; validate contracts (OpenAPI) for functionality, performance, security, compatibility.
• Execute integration testing; simulate error scenarios to test system durability.
• Conduct security testing focusing on authentication, authorization, and encryption.
• Carry out performance and scalability testing of microservices and APIs.
• Develop and maintain automated test suites in CI/CD pipelines for rapid DevOps feedback.
• Set up monitoring and logging across environments (dev, test, acc).
• Propose solutions and recommendations considering full context; communicate with technical and non-technical stakeholders.

Connaissances

Test automation

API testing

UI testing

Java SE10+

Python/JavaScript

CI/CD pipelines

Monitoring/Observability

Regressions & integration testing

JUnit/Cucumber

SQL databases

Agile delivery teams

Contract testing/mocking

Formation

Master's degree in Computer Science or equivalent

Outils

BRUNO

CYPRESS

JUnit

Cucumber

JMETER

Gatling

Maven

Azure DevOps

OpenAPI

Description du poste

Keystone Solutions seeks an expert Test Engineer for a consultancy mission at a client site. You will develop a test strategy for the eDossier modernization program, implement agile operational testing, and automate tests across APIs, microservices, and UI layers.

The role demands 5 years of test automation, API/UI tooling, CI/CD integration and strong communication in English plus Dutch or French; 01/12/2026 to 30/11/2027 (full time) in Belgium.