Senior Engineer - Manual QA
Remote
Job Summary
Conduct regression, integration, system, and end-to-end testing for critical player-facing features across web, mobile, API, and backend systems. Design, maintain, and execute test plans and exploratory testing strategies while reviewing requirements to develop effective coverage. Identify, document, and troubleshoot defects using tools like Postman, Swagger, DevTools, and emulators, validating backend integrations with SQL queries. Leverage AI-assisted tools to improve test coverage, accelerate defect investigation, and increase QA efficiency. Mentor junior engineers on best practices and contribute to continuous improvement of QA processes and tooling. Partner with Engineering and Product teams to assess release risk and provide recommendations for complex features.
Required Qualifications
- 5+ years of experience in software quality assurance with a strong focus on manual testing
- Strong experience testing web and mobile applications in complex production environments
- Solid understanding of SDLC, STLC, and QA best practices
- Experience testing APIs using tools such as Postman or Swagger
- Strong troubleshooting and debugging skills across frontend and backend systems
- Experience with tools such as DevTools, Charles Proxy, Proxyman, and emulators
- Familiarity with databases and ability to write SQL queries for validation and troubleshooting
- Demonstrated experience integrating AI-assisted tools into QA workflows, test design, debugging, or defect analysis
- Ability to work independently, prioritise effectively, and take ownership of testing efforts
- Strong communication and collaboration skills within cross-functional Agile teams
Desired Qualifications
- Experience within sportsbook, casino gaming, fintech, or other regulated industries
- Familiarity with test automation frameworks or scripting languages such as Python
- Experience testing authentication, geolocation, payments, CRM, or account management flows
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