Role & seniority: Technical QA Tester (Freelance, mid–senior level)

Location & work type: Brussels, Hybrid; at least 2 onsite days/week (Tue/Thu current), ASAP start

Stack / tools: Manual and automation testing; SQL Server/Oracle DB; API testing (Postman, Swagger, Ready API, SOAP UI); JSON/XML data; Jira/Xray; Git/Bitbucket; Jenkins; Azure; Playwright (frontend automation)

Top 3 responsibilities

Design, implement, and lead test plans across Sanity, Smoke, Integration, Regression, and E2E testing in multiple environments; manage defect lifecycle and test data
Lead SQL/DB testing and API testing initiatives; build queries/procedures; manage API tests and defects with cross-squad collaboration
Improve QA processes, report progress to Management/Product/Dev; produce detailed QA/test reports; support across departments

Must-have skills: Bachelor/Master in IT or equivalent; ≥5 years technical testing experience; strong SDLC understanding; SQL Server/Oracle DB; API testing (REST/SOAP); test automation (Playwright, Postman/SoapUI/Ready API); CI tools (Jenkins, Azure); Jira/Xray; XML/JSON; good English communication; proficiency in French or Dutch
Nice-to-haves: Cosmos DB exposure; data workflow management from source systems; experience leading test campaigns; cross-functional collaboration and leadership capabilities

Full Description

Location: Brussels

Start Date: ASAP

Language: English and French / Dutch

Employment Type: Freelance

Responsibilities

Contributing to manual testing

· Analyze and refine functional and non-functional requirements, ensuring clarity and feasibility.
· Identify and suggest enhancements, both functionally and technically. Develop, implement, execute and lead comprehensive test plans for various testing phases, Sanity, Smoke, Integration, Regression, E2E, in different environments: Test, Acceptance.
· Oversee the entire defect life cycle and manage test case data sets and inputs.

Specializing in SQL database & API testing: · Perform and lead database testing using SQL Server or Oracle DB Developer, including SQL queries building and SQL procedures. · Manage data workflows using JSON/XML files from source systems. Lead API testing initiatives using tools like Postman, Swagger, Ready API, SOAP UI across different phases and environments. · Manage API defect life cycle and collaborate closely with other squads.

Enhancing QA processes, supervision, and reporting: · · Contribute to the improvement of internal QA processes and methodologies. Regularly report on QA progress to Management, Product and Development teams, and offer support across departments. · Produce detailed QA/Test Reports for various teams, ensuring clear communication of f indings and progress.

Requirements

Skills

· Proficiency with tools like Ready API, Swagger, Postman, SQL Server/Oracle DB, XML/JSON, Jira/Xray, GIT/Bitbucket, Jenkins, and Cosmos DB.
· Solid understanding of the Software Development Lifecycle (SDLC).
· Skilled in testing processes, from requirement analysis to test completion report.

Test Automation Skills

· Proficiency with tools and Frontend automation Libraries like Playwright.
· SQL Server/Oracle DB PLSQL for Data validity control
· API Test automation using Postman, SOAP UI or Ready API

· Create and execute Jobs for Test automation sets/ Campaigns using Jenkins or Microsoft Azure Suite. Leadership and Interpersonal Skills

· Possess problem-solving skills, a positive attitude, and proactive initiative-taking.
· Collaborate effectively with both manual and automation testers, bridging gaps between different testing approaches.

Conformity Criteria Education and experience • The candidate holds a Bachelor/ Master’s degree in information technology, or a related field, or can demonstrate equivalent professional experience. • The candidate has at least 5 years of proven professional experience as a Technical Tester. DB and API integration expertise • The candidate has at least 2 year of hands-on experience with API integrations (REST, SOAP, authentication, error handling, etc.). • The candidate has at least 2 year of hands-on experience with Relational Databases Language proficiency • The candidate should have clear, structured communication skills in English (reading, writing, understanding) • The candidate has professional proficiency in at least one of the national languages (French or Dutch). Availability and work arrangement • The candidate confirms availability to work in a hybrid model with at least 2 days onsite per week (currently Tuesday and Thursday but could evolve based on the needs).