Backend Test Engineer: API Quality & CI/CD Champion

Vacant; Rijswijk; Hybrid; EUR 49,000 - 67,000; Full time

Benefits offered by this job

Salary 4,400–6,000 EUR gross per month

Hybrid work in the Netherlands

Bonus scheme

Corporate restaurant lunch €3.25

Job summary

Nederlandse Loterij is seeking a Test Engineer to ensure the quality of our Subscriptions and Payments domain. You will test complex backend processes and API integrations in a modern microservices setup, collaborating with Developers, DevOps and a diverse, international team.

You will review specifications, expand test automation in CI/CD, and maintain regression suites while contributing ideas to improve our applications and processes.

Qualifications

• 4 to 8 years of experience as a mid-level tester with a strong focus on API and backend testing.
• Experience with (REST) API testing (JSON).
• Experience with test frameworks (preferably ReadyAPI, Selenium).
• Experience with test automation in a CI/CD environment (Jenkins or similar).
• Experience with databases (PostgreSQL or similar).
• Experience with version control (GitLab or similar).
• Strong knowledge of the software testing lifecycle (SQA), test design and automation.
• Excellent command of English—both spoken and written.

Responsibilities

• Review specifications and translate them into manual and automated test cases.
• Expand and maintain test automation within a CI/CD pipeline.
• Test and validate batch and time-dependent processes.
• Maintain and extend regression test suite.
• Report on test results, analyze findings, and advise on improvements.
• Collaborate in an international, agile team environment and actively contribute to team growth.

Skills

API testing

Backend testing

REST

Selenium

ReadyAPI

CI/CD

Jenkins

PostgreSQL

GitLab

SQA

English (written)

Tools

ReadyAPI

Selenium

Jenkins

PostgreSQL

GitLab

Job description

Nederlandse Loterij is seeking a Test Engineer to ensure the quality of our Subscriptions and Payments domain. You will test complex backend processes and API integrations in a modern microservices setup, collaborating with Developers, DevOps and a diverse, international team.

You will review specifications, expand test automation in CI/CD, and maintain regression suites while contributing ideas to improve our applications and processes.