Software Test Engineer

OneTech Solutions BV; Brussel; Hybrid; EUR 55,000 - 85,000; Full time

Job summary

OneTech Solutions BV in Belgium is seeking an experienced Test Automation Engineer to join a hybrid team testing web, mobile, API and enterprise applications. You will build and maintain automated test frameworks using Playwright, Robot Framework and Selenium within an Agile/DevOps setting.

You will design test plans, execute automated suites, perform API testing and contribute to CI/CD integration, UAT support and release readiness. Candidates proficient in Python and REST APIs are preferred.

Qualifications

• Proven experience as a Test Automation Engineer / QA Automation Engineer.
• Strong hands-on experience with Playwright, Robot Framework and/or Selenium.
• Good programming/scripting skills, preferably Python.
• Experience developing and maintaining automated test frameworks and regression suites.
• Strong knowledge of functional, integration, regression, and E2E testing.
• Experience testing web applications, APIs, and/or mobile applications.
• Knowledge of REST APIs, Web Services, frontend/backend, and client-server architecture.
• Basic working knowledge of SQL and/or NoSQL databases.
• Understanding of performance testing, test coverage, risk assessment, and defect management.
• Experience working in Agile/Scrum and CI/CD environments.
• Strong analytical, troubleshooting, and stakeholder communication skills.

Responsibilities

• Design and execute test plans, scenarios, test cases, and automated test scripts.
• Develop, maintain and improve reusable test automation frameworks using Playwright, Robot Framework and/or Selenium.
• Perform functional, integration, regression, system and E2E testing.
• Test web, mobile (Android/iOS), API and backend applications.
• Execute automated regression suites and analyse test failures.
• Perform API testing, data validation and SQL-based verification.
• Support performance, load, security and non-functional testing.
• Prepare test data, manage defects and track issues through resolution.
• Support UAT, test reporting, quality assessments and Go/No-Go decisions.
• Integrate automated testing into CI/CD pipelines.
• Collaborate with developers, Product Owners and Business Analysts in Agile/Scrum teams.

Skills

Test Automation

QA Automation

Playwright

Robot Framework

Selenium

Python

API testing

E2E testing

CI/CD

Agile/Scrum

SQL/NoSQL

Tools

Playwright

Robot Framework

Selenium

Python

REST APIs

SQL

Job description

Work Model: Hybrid - Minimum 3 days onsite/week

Start Date: 9 November 2026

End Date: 31 December 2027

Languages: Dutch and/or French (Professional), English (Mandatory)

Role Overview

We are looking for an experienced Test Automation Engineer with strong hands-on expertise in Playwright, Robot Framework and/or Selenium, test automation frameworks, and functional, integration, regression, and end-to-end (E2E) testing.

The role involves testing web, mobile, API, and enterprise applications, developing automated test suites, managing defects, and ensuring software quality within an Agile/DevOps environment.

Key Responsibilities

• Design and execute test plans, scenarios, test cases, and automated test scripts.
• Develop, maintain and improve reusable test automation frameworks using Playwright, Robot Framework and/or Selenium.
• Perform functional, integration, regression, system and E2E testing.
• Test web, mobile (Android/iOS), API and backend applications.
• Execute automated regression suites and analyse test failures.
• Perform API testing, data validation and SQL-based verification.
• Support performance, load, security and non-functional testing.
• Prepare test data, manage defects and track issues through resolution.
• Support UAT, test reporting, quality assessments and Go/No-Go decisions.
• Integrate automated testing into CI/CD pipelines.
• Collaborate with developers, Product Owners and Business Analysts in Agile/Scrum teams.

Required Skills & Experience

• Proven experience as a Test Automation Engineer / QA Automation Engineer.
• Strong hands-on experience with Playwright, Robot Framework and/or Selenium.
• Good programming/scripting skills, preferably Python.
• Experience developing and maintaining automated test frameworks and regression suites.
• Strong knowledge of functional, integration, regression, and E2E testing.
• Experience testing web applications, APIs, and/or mobile applications.
• Knowledge of REST APIs, Web Services, frontend/backend, and client-server architecture.
• Basic working knowledge of SQL and/or NoSQL databases.
• Understanding of performance testing, test coverage, risk assessment, and defect management.
• Experience working in Agile/Scrum and CI/CD environments.
• Strong analytical, troubleshooting, and stakeholder communication skills.

Additional Skills (Preferred)

• Appium or equivalent Android/iOS mobile automation tools.
• Performance/load testing and security testing exposure.
• Jenkins, GitLab CI/CD, Azure DevOps or similar tools.
• RabbitMQ, Kafka or other messaging technologies.
• Test data management, UAT coordination and release-readiness reporting.

Interested?

If you are an experienced Test Automation Engineer with strong expertise in Playwright, Robot Framework, Selenium, Python, API testing and E2E automation, we would love to hear from you.