Test Automation Engineering

We automate
quality at scale.

20+ years of combined experience in test automation, CI/CD, and software engineering — for organizations like KPN, Aegon, and the Dutch government. We build the quality infrastructure your team needs to ship with confidence.

About

The team behind Codemaxx.

Rein van der Vegt

Rein van der Vegt

Senior Test Automation Engineer & QA Consultant

Versatile engineer with 7+ years of experience in test automation, CI/CD pipelines, and production monitoring. Built automation frameworks across Playwright, Robot Framework, Cypress, and Selenium for organizations like KPN, the Dutch Ministry of Health, and Het CAK. Combines deep technical skill with a knack for coaching teams and standardizing quality across organizations.

Deborah van der Vegt

Deborah van der Vegt

Test Engineer & Technical Consultant

Engineer with 13+ years in software — from full-stack development and DevOps at Aegon and ING to test engineering at Het CAK. Brings a rare combination of deep technical skill and leadership, having led teams, set up CI/CD pipelines, and delivered platforms end-to-end. ISTQB-certified and Scrum Master with a talent for bridging the gap between development and quality.

Skills

Our toolkit.

codemaxx@workstation:~$
cat ./skills.conf
# test_frameworks
[Playwright][Cypress][Selenium][Robot Framework][Pytest][CodeceptJS]
# languages
[Python][TypeScript][JavaScript][PHP][SQL]
# ci_cd
[GitHub Actions][Jenkins][Azure DevOps][CI/CD][DevOps]
# cloud_infra
[AWS][Azure][Browserstack][Linux][JMeter]
# frontend
[React][Angular][Symfony]
# methodology
[E2E Testing][Scrum][ISTQB][Visual Regression]
_

Services

What we do.

Test Automation Frameworks

Custom test automation from the ground up — Playwright, Cypress, Robot Framework, or Selenium. We design the architecture, write the tests, wire them into your CI/CD, and make sure your team can maintain it all after we leave.

CI/CD & DevOps Testing

We embed automated testing into your delivery pipeline — Azure DevOps, GitHub Actions, Jenkins, or Bamboo. Every pull request validated, every release gated by quality. No more manual regression before a deploy.

Cross-Platform & Device Testing

Web, mobile, tablet — we set up cross-browser and cross-device test coverage using Browserstack, real devices, and visual regression. Your product works everywhere, verified automatically.

Test Data & Environment Management

Realistic test data without the risk. We build tooling to generate synthetic test data, anonymize production datasets, and keep relational integrity across your entire chain.

QA Consulting & Coaching

Strategic guidance on test architecture, tooling choices, and quality processes. We coach developers and testers to own their own quality — embedding best practices that outlast our engagement.

Production Monitoring & Smoke Tests

Automated health checks and smoke tests running against production. We build dashboards and alerting so you know the moment something breaks — before your users do.

Projects

Selected work.

Het CAK — Test Automation & Test Data

Built a web-based tool for generating test clients across the entire chain with configurable parameters. Created production data anonymization scripts preserving relational integrity. Set up and maintained the test automation framework for system and regression testing.

PythonRobot FrameworkOracle SQLReact

Ministry of Health — COVID Portal Testing

Set up frontend and E2E test automation for the national vaccination and test-result portals during the pandemic. Isolated tests with mocks and integrated them into CI pipelines that blocked merges on failure.

PlaywrightCypressRobot FrameworkGitHub Actions

KPN — MijnKPN Production Monitoring

Built test automation frameworks and production monitoring dashboards for the MijnKPN web and app platform. Automated smoke, regression, and performance test suites across the full stack.

Robot FrameworkPytestJMeterJenkins

Aegon — Mijn Aegon Platform

Led frontend development and DevOps for the Mijn Aegon domain — building product pages for mortgages, life insurance, and financial services. Set up CI/CD with AWS and Azure, wrote Cypress E2E tests, and assembled an Agile team from scratch.

AngularTypeScriptCypressAWSAzure

Zwijsen — Cross-Device Test Framework

Set up a Playwright + CodeceptJS framework with Browserstack integration for testing educational apps across iPads, Android tablets, and browsers. Included visual regression via screenshot comparison.

PlaywrightCodeceptJSBrowserstackTypeScript

Connect Holland — Full-Stack Platforms

Built and delivered HR and career platforms for ING, Randstad, and healthcare organizations. Led teams as Lead Developer, set up CI/CD pipelines, and served as technical consultant to clients — bridging development and business needs.

PHPSymfonyJavaScriptLinuxCI/CD

Contact

Let's work together.

Need a test automation framework, CI/CD integration, or hands-on QA expertise? We'd love to hear about your project.

Get in touch