Senior Test Specialist

Gazelle Global; Amsterdam; Hybrid; EUR 70,000 - 95,000; Full time

Job summary

Gazelle Global is seeking a Senior Test Automation Engineer for hybrid work in Amsterdam, NL. The role focuses on automation testing of mortgage and financial application systems, API testing, and managing virtualised test environments.

You will collaborate with developers and stakeholders in an Agile setting to improve software quality and CI/CD integration. The ideal candidate will have hands-on experience with Selenium or similar tools, REST Assured, Docker, Kubernetes, and Azure DevOps, and

Qualifications

• Experience as Senior Test Automation Engineer or similar.
• Proven API testing experience in financial applications.
• Hands-on with test automation tooling and frameworks.

Responsibilities

• Design, develop and maintain automated regression and end‑to‑end tests.
• Test complex financial applications and system integrations.
• Perform API testing across a multi‑system landscape.

Skills

Test Automation

API testing

Selenium

CI/CD

Agile/Scrum

ISTQB

Troubleshooting

Tools

Docker

Kubernetes

Azure DevOps

REST Assured

Job description

Senior Test Automation Engineer - Financial Applications

Amsterdam, Netherlands

Hybrid - 2 days per week in the office

Contract: October 2026 - June 2027

We are looking for a Senior Test Automation Engineer to join a leading financial services organisation, working on critical mortgage and financial application systems. Experience as Tester, Automation Tester, Test Specialist, Test Engineer, Tsten or similar

This is a hands‑on testing role focused on test automation, API testing and virtualised test environments. We're particularly interested in candidates with proven testing experience within banking, financial services, mortgages or other regulated environments.

Fluent Dutch & English needed.

What you’ll be doing

• Design, develop and maintain automated regression and end‑to‑end tests
• Test complex financial applications and system integration's
• Perform API testing across a complex application landscape
• Work with automation tools such as Selenium, REST Assured or similar
• Build and maintain automated test frameworks and test suites
• Create and maintain virtualised/containerised test environments
• Work with Docker and Kubernetes
• Integrate automated testing into CI/CD pipelines
• Use Azure DevOps to support automated testing and deployment processes
• Test and support software releases
• Investigate defects and troubleshoot issues across application and integration layers
• Work closely with developers, business stakeholders and other testing teams
• Contribute to improving test processes, automation and overall software quality
• Work within an Agile/Scrum environment

What we’re looking for

• Proven experience as a Senior Test Engineer, Test Automation Engineer, QA Automation Engineer or SDET
• Strong hands‑on experience with test automation
• Proven experience testing financial applications within banking, financial services or another regulated organisation
• Strong API testing experience
• Experience with Selenium, REST Assured or comparable automation tools
• Experience working with virtual test environments
• Hands‑on experience with Docker
• Experience with Kubernetes is highly desirable
• Experience with Azure DevOps and CI/CD
• Strong understanding of regression, integration and end‑to‑end testing
• Strong analytical and troubleshooting skills
• Experience working in Agile/Scrum teams
• ISTQB certification is highly desirable

Nice to have

• Mortgage application experience
• Banking/financial services domain knowledge
• Java experience
• BDD experience
• Experience testing complex APIs and integration's
• Kubernetes experience
• Experience with monitoring and observability
• Windows/.NET application testing experience
• Experience working in highly regulated corporate environments

The ideal candidate

We're looking for someone who is technically strong, hands‑on and passionate about software quality.

You should be comfortable taking ownership of the testing process, building automation, investigating complex issues and challenging the team where quality can be improved.

A strong background in financial application testing, combined with test automation, API testing and Docker/Kubernetes experience, would make you a particularly strong fit.

Important

This is a payroll position and requires candidates who are able to work on a payroll basis in the Netherlands.

Desired Skills and Experience

• Test Automation - strong hands‑on experience building automated regression/E2E tests
• Selenium / REST Assured or similar automation frameworks
• API Testing - experience testing complex APIs and system integrations
• Docker - experience creating and working with virtual/containerised test environments
• Kubernetes - experience working with containerised environments is highly desirable
• Azure DevOps & CI/CD - integrating automated testing into delivery pipelines
• Java - particularly within test automation
• Financial Services - proven experience testing banking, mortgage or other financial applications
• ISTQB - certification is highly desirable
• Agile/Scrum - comfortable working in modern engineering teams