Technical Tester

Function

We’re looking for a seasoned Technical Tester to join our client’s high-performing delivery team. This is an exciting opportunity for a quality-driven consultant who thrives at the intersection of manual testing, database validation, and API integration. You will play a pivotal role in safeguarding the quality of complex systems, driving improvements in QA processes, and acting as a trusted partner to product and development stakeholders.

The Role

As a Technical Tester, you will take ownership of the end-to-end testing lifecycle across multiple environments (Test and Acceptance), ensuring both functional and non-functional requirements are clear, feasible, and thoroughly validated. You will operate across manual and automated testing initiatives, with a strong focus on database and API testing, while contributing to process enhancement and quality reporting.

Key Responsibilities

• Analyze, challenge, and refine functional and non-functional requirements

• Design and lead structured test plans covering Sanity, Smoke, Integration, Regression, and End-to-End testing

• Manage the complete defect lifecycle, ensuring accurate documentation, prioritization, and follow-up

• Perform advanced database testing using SQL Server or Oracle (queries, stored procedures, PL/SQL validation)

• Validate and manage data workflows using XML and JSON inputs from source systems

• Lead API testing initiatives (REST & SOAP), including authentication and error handling validation

• Execute API testing using tools such as Postman, Swagger, ReadyAPI, or SOAP UI

• Contribute to API and frontend test automation initiatives (Playwright preferred)

• Create and manage automated test jobs and campaigns using Jenkins or Microsoft Azure tools

• Produce detailed QA reports and communicate progress clearly to stakeholders

• Continuously improve QA methodologies and collaborate closely with cross-functional teams

The Ideal Candidate

Experience & Background

• Bachelor’s or Master’s degree in IT (or equivalent professional experience)

• Minimum 5 years of experience as a Technical Tester

• At least 2 years of hands-on experience with API integrations (REST, SOAP)

• At least 2 years of experience with relational databases

Technical Expertise

• Strong command of SQL Server and/or Oracle

• Experience with Cosmos DB is a plus

• Solid knowledge of SDLC and structured testing methodologies

• Proficiency with tools such as ReadyAPI, Swagger, Postman, Jira/Xray, Git/Bitbucket, Jenkins

• Experience in API test automation and frontend automation (Playwright preferred)

Competencies

• Strong analytical skills with the ability to identify risks and improvement opportunities

• High level of accuracy in test design and defect reporting

• Proven ability to manage and prioritize defects effectively

• Collaborative mindset, bridging manual and automation testing approaches

• Clear and structured communication skills in English

• Professional proficiency in French or Dutch

• Available for a hybrid work model (minimum two days onsite per week)