Senior QA Engineer
About Arena Club
Arena Club is redefining the sports cards and memorabilia landscape through the industry’s first digital card show. Co-founded by 5x World Series Champion Derek Jeter and serial entrepreneur Brian Lee, Arena Club delivers a fully digital, trust-driven marketplace built for collectors. Our platform integrates grading and authentication, vaulting, and digital pack experiences, empowering users to buy, sell, and showcase collections in personalized online showrooms from anywhere in the world.
About The Role
We’re seeking a Senior QA Engineer to elevate quality across our web, mobile, and backend platforms. You don’t need a collectibles background; what matters is your curiosity, precision, and commitment to building reliable systems. You’ll test new features, strengthen our automation suite, uncover edge cases before they reach customers, and help maintain a seamless experience across the entire Arena Club ecosystem.
This role blends both manual and automated testing. You’ll collaborate closely with Engineering, Product, and Operations to ensure every release meets a high bar for performance, stability, and accuracy.
What You Will Do
Design, maintain, and execute test plans and test cases for web, mobile, and backend services
Perform manual functional, regression, integration, and usability testing across multiple environments
Contribute to and execute automated tests using existing frameworks and tools
Collaborate with engineers and product managers to define test coverage, acceptance criteria, and edge cases
Validate data integrity and workflow behavior across reviewing, grading, vaulting, purchasing, and marketplace features
Log, track, and retest defects with clear documentation and reproducible steps
Participate in sprint planning, standups, and release readiness activities
Help improve QA documentation, tooling, and processes across the team
Qualifications
6+ years of QA experience, including hands-on testing of web and/or mobile applications
Familiarity with backend/API testing and tools such as Postman or similar
Proficient in Playwright, Appium, and CI/CD workflows
Solid SQL skills (including joins and complex queries) to assist with technical support and data integrity checks
Solid understanding of software testing methodologies and SDLC
Hands-on experience using AI tools (Claude or Cursor preferred; other agentic tools welcome) to ship code, build agents, and automate workflows
Detail-oriented with strong written and verbal communication skills
Ability to work cross-functionally with Product, Engineering, and Operations
Nice to have: experience in marketplaces, logistics/ops-heavy environments, or collectibles