Expert Test Engineer

Fujitsu; Brussel Hoofdstad; Hybrid; EUR 129,000 - 185,000; Full time

Job summary

Fujitsu in Brussels is seeking an Expert Test Engineer for a major digital modernisation programme. The role is hands-on, with 10+ years in testing and 5+ years in automation, API and UI testing (Cypress preferred).

You will define test strategies, implement automation, and work in a bilingual, Agile team on cloud-native APIs and microservices in a public-sector context. Three days on-site in Brussels.

Qualifications

• 10+ years as a Test Engineer
• 5+ years test automation
• 5+ years API testing (Bruno preferred)
• 5+ years UI testing (Cypress preferred)
• Strong knowledge of HTML DOM
• 5+ years regression/integration testing (JUnit & Cucumber preferred)
• 5+ years performance load testing (JMeter/Gatling)
• 5+ years E2E testing
• 5+ years CI/CD and test integration (Azure DevOps preferred)
• 5+ years contract testing, mocking, service virtualisation
• 5+ years monitoring/observability (Grafana preferred)
• 3+ years Java SE 10+ development
• 3+ years SQL databases
• 5+ years Agile delivery
• Experience with cloud-native environments
• APIs and microservices experience
• Ability to design and implement test strategies and automation
• Experience designing APIs and integrating microservices
• Knowledge of BDD / EDD and DDD
• Experience in a federal/public-sector environment
• English good; Dutch or French good

Responsibilities

• Define, design and implement overall test strategy
• Ensure solution quality via test automation
• Hands-on engineering role focused on implementation
• Work in an Agile delivery team on a digital transformation
• Contribute to cloud, APIs, microservices, Zero Trust and event-driven architecture
• Design and develop test strategies and automation
• Collaborate with technical and non-technical stakeholders
• On-site Brussels: 3 days per week

Skills

Test Automation

API testing

UI testing

Java

SQL

Agile

CI/CD

JMeter

Gatling

Cypress

JUnit

Cucumber

Azure DevOps

Monitoring

DDD

Event-Driven Dev

Education

Bachelor/Master in Computer Science or IT

Tools

Bruno

HTML DOM

Job description

Freelance Expert Test Engineer | Brussels | Hybrid

For a major organisation in the public sector, we are looking for an experienced Expert Test Engineer to join a large-scale digital modernisation programme.

Duration: 12 months, with possible extension

Level: Expert – 10+ years of professional experience

The role

You will join an experienced and highly skilled Agile delivery team working on a major digital transformation programme involving cloud, APIs, microservices, Zero Trust and event-driven architecture.

As an Expert Test Engineer, you will be responsible for defining, designing and implementing the overall test strategy and ensuring the quality of the solution through a high level of test automation.

This is a hands-on engineering role. We are specifically looking for someone who has personally implemented and worked with the required technologies and testing practices, not someone whose experience is limited to managing or coordinating teams.

• 10+ years of professional experience as a Test Engineer
• 5+ years hands-on experience with test automation
• 5+ years hands-on experience with API testing, preferably Bruno
• 5+ years hands-on experience with UI testing, preferably Cypress
• Good knowledge of HTML DOM
• 5+ years experience with regression and integration testing, preferably JUnit & Cucumber
• 5+ years experience with performance, stress and load testing, preferably JMeter & Gatling
• 5+ years experience with E2E testing
• 5+ years experience with CI/CD pipelines and test integration, preferably Azure DevOps
• 5+ years experience with contract testing, mocking and service virtualisation
• 5+ years experience with monitoring & observability, preferably Grafana
• 3+ years hands-on Java SE 10+ development experience
• 3+ years experience with SQL databases
• 5+ years experience working in Agile delivery teams
• Experience with cloud-native environments
• Experience with APIs and microservices
• Ability to independently design and implement test strategies and automation
• Experience designing and developing APIs
• Experience developing and integrating microservices
• Experience with cloud, API and event-driven software architecture
• Experience with event-driven architectures
• Knowledge of BDD / Event-Driven Development
• Knowledge of Domain-Driven Design (DDD)
• Experience within a federal/public-sector environment

English: good professional level

AND either Dutch OR French: good professional level

You must be comfortable working in a bilingual environment and communicating with both technical and non-technical stakeholders.

A higher-education degree in Computer Science / IT from a recognised university or university college within the European Union is mandatory.

We are looking for a pragmatic, hands‑on Test Engineer who:

• Takes ownership from analysis through design and implementation
• Is passionate about software quality and test automation
• Can challenge existing approaches and propose alternative solutions
• Communicates effectively with technical and business stakeholders
• Works well within multidisciplinary Agile teams
• Is comfortable working on‑site 3 days per week in Brussels

Please note: This is not a pure management, coordination or consulting assignment. The role requires significant hands‑on technical implementation.