Expert Test Engineer
Keystone Solutions · Brussel, Belgium
Mission Overview:
Keystone Solutions is seeking an expert Test Engineer for a consultancy mission at a client site. The client is a federal independent administration focused on providing protection to individuals at risk of persecution or serious harm upon return to their country of origin. This role is part of a modernization program aimed at enhancing their eDossier system.
Key Responsibilities:
- Develop and implement a test strategy considering the eDossier context (cloud, APIs, zero trust, microservices, etc.).
- Create an agile operational test plan (business and technical) and implement it as automated as possible.
- Conduct functional testing, validating business logic in microservices and APIs, ensuring data integrity and E2E testing of user flows.
- Perform API testing, validating API contracts (openAPI) and testing for functionality, performance, security, and compatibility.
- Execute integration testing, simulating 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 feedback in DevOps processes.
- Set up monitoring and logging for the solution across environments (dev, test, acc).
Requirements:
- Master's degree in Computer Science or equivalent.
- Continuous self-education on sustainable trends and innovations, focusing on cloud-native engineering, development, and testing.
- Hands-on experience in monitoring and observability of software solutions, preferably GRAFANA (5 years).
- Hands-on experience in test automation implementation (5 years).
- Programming experience with Java SE10+ (3 years).
- Experience with scripting languages (Python, JavaScript) (5 years).
- Experience in setting up and executing API test frameworks and tools, preferably BRUNO (5 years).
- Experience in setting up and executing UI test frameworks and tools, preferably CYPRESS (5 years).
- Experience in regression and integration testing, preferably JUNIT and CUCUMBER (5 years).
- Experience in performance, stress, and load testing, preferably via JMETER and GATLING (5 years).
- Experience in E2E testing (5 years).
- Experience with build tools, preferably MAVEN (5 years).
- Experience in CI/CD pipeline implementation and integrating tests (preferably Azure DevOps) (5 years).
- Experience in contract testing, mocking, and service virtualization (5 years).
- Experience with SQL databases (3 years).
- Experience working within agile delivery teams (5 years).
- Ability to propose alternative solutions and recommendations considering the full context.
- Excellent communication skills with both technical and non-technical stakeholders.
- Experience in API design and development is a plus.
- Experience in microservices development and integration is a plus.
- Knowledge of event-driven architecture and systems is a plus.
- Familiarity with Domain Driven Design is a plus.
Language Requirements:
Fluency in English and a good command of either Dutch or French is necessary due to the bilingual work environment.
Why Join Keystone Solutions:
As a consultant at Keystone Solutions, you will engage in dynamic projects that offer diverse challenges across various client environments. You will benefit from turbo-charged learning opportunities and a commitment to your career growth. Being a 'K-Stone' means bringing our core values to every engagement, ensuring a collaborative and innovative work atmosphere.
If you are ready to tackle technical and strategic challenges in a dynamic consultancy environment, apply today at Keystone Solutions Career Portal.
Duration: 01/12/2026 - 30/11/2027 12 months • (full time)
Skills required:
- ervaring gebruik SQL databanken binnen testen - Level: Junior - Most recent: This year
- ervaring met (samen)werken binnen agile delivery teams - Level: Confirmed - Most recent: This year
- ervaring met API testframeworks en tools - Level: Confirmed - Most recent: This year
- ervaring met build tools - Level: Confirmed - Most recent: 1 to 3 years ago
- ervaring met contract testing, mocking en service virtualisatie - Level: Confirmed - Most recent: This year
- ervaring met E2E testen - Level: Confirmed - Most recent: This year
- ervaring met het integreren van tests in CI/CD pipelines - Level: Confirmed - Most recent: This year
- ervaring met java SE10+ - Level: Junior - Most recent: This year
- ervaring met monitoring en observability van software oplossingen - Level: Confirmed - Most recent: 1 to 3 years ago
- ervaring met performantie-, stress- en loadtesten - Level: Confirmed - Most recent: This year
- ervaring met python en javascript - Level: Confirmed - Most recent: 1 to 3 years ago
- ervaring met regressie en integratie testen - Level: Confirmed - Most recent: 1 to 3 years ago
- ervaring met test automatisering - Level: Confirmed - Most recent: This year
- ervaring met UI testframeworks en tools - Level: Confirmed - Most recent: This year
Language requirements:
Dutch or French
Level Active knowledge
English
Level Active knowledge