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. Were 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 discuss them as needed. Your recruiter will be able to clarify expectations and answer any questions you have.

The Grading Operations software engineering team builds and operates the internal software that runs our grading and authentication business. That means the applications our operations teams work in every day the services and APIs behind them the scheduled and event-driven processes that move items through the grading lifecycle and the integrations that connect all of it to adjacent systems across the platform.

Volume climbs every year and the systems have kept up. As our grading operations reach more markets keeping pace means solving for distance as well as volume.

We are looking for a Senior Software Engineer who can help build and evolve the services event-driven pipelines and internal applications that keep a high-volume physical operation running. This role 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.

• 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 application to smaller serverless APIs and Python background processing jobs and help decide which is the right fit for new work

• Design and implement event-driven and asynchronous systems that keep operational data flowing reliably at high volume

• Contribute to frontend application development using JavaScript TypeScript and 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

• 5 years of software engineering experience building production applications with substantial experience in backend systems and some hands-on experience delivering frontend work

• 3 years experience / strong proficiency in C#

• Routine use of AI tooling as part of how you design and build software with the judgment to review and take responsibility for what it produces

• Experience designing and building RESTful APIs and service integrations

• Sound judgment about where code belongs including how to draw module boundaries inside a large application and when a capability warrants its own service

• Experience writing and maintaining automated tests for services running in production

• Strong fundamentals working with relational databases and data modeling (e.g. SQL Server PostgreSQL)

• Hands-on experience building and operating production services in the cloud including container orchestration (e.g. Docker Kubernetes ECS) serverless compute behind an API gateway and managed messaging and data stores

• Comfortable working in a modern frontend codebase with hands-on experience in JavaScript HTML CSS and a component-based framework

• Experience with CI/CD pipelines Infrastructure as Code (e.g. Terraform CloudFormation) and monitoring and observability tooling (e.g. CloudWatch Datadog)

• Strong communication and troubleshooting skills with the ability to document what you build

• Experience turning complex requirements from Product and Operations partners into clean extensible systems

• Familiar with Agile/Scrum methodologies

• Experience designing asynchronous event-driven and distributed systems

• Experience with any of AWS Python (including test frameworks such as pytest or unittest) Apache Kafka DynamoDB or

• Experience partnering closely with Product and comfort working directly with the operations and business teams who use what you build

• Experience making high-volume workflows faster in the interface or behind it where shaving seconds off a repeated task adds up across thousands of items

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We are aware that there are instances where individuals are receiving job offers that fraudulently allege to be from Collectors or one of our business units. This type of fraud can be carried out through false websites through fake e-mails claiming to be from the company or through social media. We never ask for personal information such as your bank account Social Security numbers or National IDs nor do we send or request payments for the purchase of business-related equipment. If you suspect fraud please reach out to

We are committed to equal employment opportunity regardless of race color ethnicity ancestry religion national origin gender sex gender identity or expression sexual orientation age citizenship marital or parental status disability veteran status or other class protected by applicable law. We believe that a team that represents a variety of backgrounds perspectives and skills will better service the diverse community of collectors we support.

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