Payments QA Specialist — API Testing & Certification

EPI Company; Brussel Hoofdstad; Remote; EUR 65,000 - 90,000; Full time

Benefits offered by this job

Remote-first culture

Work from another EU country up to 3 ?

Competitive compensation package

Learning & development budget

Pan-European team

Job summary

The European Payments Initiative (EPI) seeks a QA specialist to join the Member Quality Assurance team within Operations Services Delivery. You will coordinate testing for banks, acquirers and PSPs, ensuring end-to-end certification and seamless integration across Europe.

You will work with external partners and internal teams in a remote-first, fast-paced environment, shaping Europe’s next generation payments infrastructure.

Qualifications

• 3+ years of professional experience in QA, testing, technical operations or a similar role, ideally within payments, banking or fintech.
• A degree in Computer Science, Engineering or a related field is preferred, or equivalent practical experience.
• Fluent in English (CEFR C1 or C2); French, German, Dutch or other European languages are a plus.
• Thrive in a remote-first, multicultural and fast-paced environment.
• Strong experience in end-to-end and integration testing across multi-tier or distributed architectures.
• Hands-on proficiency with REST APIs, JSON data contracts and API testing or scripting tools such as Postman or Bruno.
• Solid experience reading system logs, debugging integration errors and troubleshooting issues across distributed services.
• Demonstrated experience working directly with external partners, member institutions, clients or technical stakeholders such as Project Leads and Test Managers.
• Proficiency with test management workflows, issue tracking and documentation using tools such as Jira and Confluence.
• Ability to translate complex technical findings into clear guidance for both technical and non-technical stakeholders.

Responsibilities

• Scope testing requirements and guide member banks, acquirers and PSPs through end-to-end certification with clear instructions and hands-on technical support.
• Review and validate member test outcomes against EPI specifications, scheme standards and compliance rules to ensure seamless integration.
• Investigate technical issues during testing, analyse distributed system logs and inspect API payloads to identify and resolve blockers quickly.
• Execute internal tests to identify edge cases, inconsistencies and system gaps before member releases.
• Convert manual test scenarios into automated test cases and contribute to the continuous improvement of testing frameworks and tooling.
• Maintain comprehensive records of test results, defects, decisions and resolutions in Jira and Confluence for full traceability and auditability.
• Collaborate with Product, Payment Experience, Infrastructure and Operations stakeholders to ensure testing feedback is understood and translated into product and process improvements.

Skills

End-to-end testing

REST API testing

API scripting

Platform integration

Stakeholder communication

Jira & Confluence

Education

Degree in Computer Science or related field

Equivalent practical experience

Tools

Postman

Bruno

Fime test tools

Jira

Confluence

Job description

The European Payments Initiative (EPI) seeks a QA specialist to join the Member Quality Assurance team within Operations Services Delivery. You will coordinate testing for banks, acquirers and PSPs, ensuring end-to-end certification and seamless integration across Europe.

You will work with external partners and internal teams in a remote-first, fast-paced environment, shaping Europe’s next generation payments infrastructure.