Senior Software Engineer - Grading Operations

Collectors is the leading creator of innovative technology that provides value-added services for collectors worldwide. We grade, authenticate, vault, and sell millions of record-setting collectibles, all while modernizing and digitalizing the process to further our mission of helping collectors pursue their passions. We’re always on the lookout for talented people to join our growing team. Our services span collectible trading cards, autographs, comic books, coins, video games, event tickets, and memorabilia. Our subsidiaries include PSA, PCGS, Beckett, SGC, and Card Ladder. Since our founding in 1986, we have graded and authenticated millions of items. We employ more than 3000 people across our headquarters in Santa Ana, California and offices in New Jersey, Texas, Florida, Japan, Shanghai, Hong Kong, Canada, Mexico, Germany, the UK, and France. As part of our interview process, we request that candidates have their cameras on during video interviews. This helps foster meaningful conversation and allows us to create an experience that closely resembles our standard working environment. Certain interview steps may take place by phone. For remote roles, and at our discretion, candidates may be asked to participate in an on-site interview as part of the final stages of the process. We understand there may be occasional circumstances requiring accommodation and are happy to d [... source excerpt omitted ...] e is especially well-suited for an engineer who is strongest on the backend, but comfortable working in the frontend to take features all the way to the people who use them. What You'll Do Use AI tooling, with a preference for Claude, routinely across software design, architecture, and implementation, while owning the quality of what ships Build backend services, APIs, and data models that power the internal applications our grading and authentication teams rely on every day Work across a mix of architectures, from a large containerized .NET application to smaller serverless APIs and Python background processing jobs, and help decide which is the right fit for new work Des [... source excerpt omitted ...] rontend application development using JavaScript, TypeScript, and Vue.js to deliver features end to end Collaborate with Product, Tech, and Operations teams to translate business requirements into clean technical designs across both backend and frontend systems Troubleshoot data, integration, service, and UI issues across a large, long-lived codebase Share in an on-call rotation supporting the services the team owns Contribute to technical documentation to improve maintainability, knowledge sharing, and team velocity Help raise the bar on system design, code quality, observability, and engineering best practices across the team Who You Are 5+ years of software engineering expe