Software Developer Engineer in Test (SDET) in Lincolnshire

Mr Who? MrQ - we're an awesome, award winning online casino launched in 2018. We're big on tech, big on performance and most of all - big on fun. Over the years, we have experienced explosive growth - which means we need more rock stars to join our quest for total world domination.

What You Will Do

• Develop and maintain scalable end-to-end automated test frameworks for our website and mobile applications.
• Contribute to a platform-wide automated testing strategy, focusing on reliability, reusability, and test coverage.
• Mentor team members and help foster a strong quality engineering culture across the organisation.
• Collaborate with engineers and product teams to ensure high-quality releases and shared ownership of quality gates.
• Perform manual exploratory testing for complex workflows and edge cases.

What We're Looking For

• 4+ years of hands‑on experience in software testing and automation.
• Proficiency with tools such as Playwright, Cypress, or similar, using JavaScript/TypeScript.
• Experience with CI/CD systems like Jenkins, TeamCity, or GitHub Actions.
• Strong understanding of test strategy, versioning, and test data management.
• A team player with excellent communication skills and a continuous improvement mindset.
• Solid experience in manual testing, identifying UX/UI flaws, and debugging issues using tools like Postman, browser developer tools, and network inspectors.

Nice to Have

• Familiarity with cloud‑based cross‑platform testing services (e.g., BrowserStack, Sauce Labs).
• Experience writing BDD‑style tests using Cucumber or similar frameworks.
• Exposure to mobile testing and device compatibility workflows.
• Knowledge of performance testing tools (e.g., k6).
• Familiarity with WebSockets, visual regression testing tools (e.g., Percy), and AI‑assisted exploratory testing.
• Experience with unit and integration test automation in microservices or distributed systems.
• Background in Agile/Scrum environments with cross‑functional team collaboration.

What We Offer

At MrQ, we take pride in providing an array of fantastic benefits to our valued team members. Enjoy a competitive salary package that recognizes your hard work and dedication. Need some extra time off? We've got you covered with additional leave days, and we believe in celebrating life's special moments, including your birthday, with dedicated birthday leave. Family matters to us, too, which is why we offer a generous four‑week parental leave. Your well‑being is our priority, supported by international health and life insurance. Stay motivated with wellness incentives and seize opportunities for personal and professional growth with our growth allowance. Embrace a flexible working environment that caters to your needs, and join our friendly and multinational team, where collaboration and camaraderie flourish.

At MrQ, we're committed to ensuring that your experience with us goes beyond just a job – it's a fulfilling journey with a supportive community. We are committed to fostering a workplace that values and celebrates diversity. We welcome individuals of all backgrounds and experiences, and we believe that a diverse and inclusive environment leads to innovation and success. We actively promote equal opportunities for all employees and strive to create a space where everyone's voices are heard and respected. Join us in our journey to build a truly inclusive workplace where every person can thrive and contribute to our collective success.

To help our recruitment team work efficiently, please apply to the role that best matches your skills and experience. Our team will consider you for other similar roles as well!