Senior Software Engineer - Java Back-End (Marketplace)

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 coins, trading cards, Funko Pops!, video games, event tickets, autographs, and memorabilia. Our subsidiaries include PSA, PCGS, SGC, and Card Ladder.Since our founding in 1986, we have graded and authenticated millions of items. We employ more than 1,900 people across our headquarters in Santa Ana and offices in Jersey City, Tokyo, Shanghai, Hong Kong, Toronto, Guadalajara, Dallas, and Paris.

• Click
• to learn more about our Mexico Engineering Team Expansion.
• We’re transforming the collecting experience with technology that brings authentication, grading, and trading into the modern era. Our products are equalizing the playing field by providing tools that make complex research analytics — including pricing, scarcity reports, and historic sales data — accessible to every collector, old or new. Our engineering mission is to democratize technology while promoting innovation, collaboration, and continuous learning throughout the organization. We're seeking engineers to utilize advanced technology in agile settings, with a focus on improving the customer experience for every collector.We are looking for backend software engineers who can build flexible and scalable backend architectures that can support a wide range of experiences for collectors who are trying to research, grade, and sell their collectibles. Your work will directly help improve collectors' enjoyment of the hobby and make it easier for new users to get started with the services that we offer.
• What You’ll Do :
• Contribute to the design and development of new cloud-based software architectures
• Own and deliver complete features, including design, architecture, implementation, testability and deployment
• Provide feedback pertaining to technical designs, proposals and code
• Analyze existing applications / databases and identify areas for improvement
• Design and contribute to APIs that can support user experiences on web and mobile applications
• Participate across the entire software development lifecycle, taking features from concept to production release
• Collaboratively create solutions with other teams
• Troubleshoot software issues and debug a large codebase
• Develop and execute unit and integration tests
• Contribute to technical documentation to increase maintainability of software assets
• Who You Are :
• 5+ years of software engineering industry experience building backend software, with exposure to microservices, event-driven architectures, and batch processing
• 4+ years experience / strong proficiency in Java and the Spring Boot framework
• Strong fundamentals working with databases and data modeling, both relational (e.g. PostgreSQL) & NoSQL (e.g. DynamoDB)
• Experience with building applications in the cloud with AWS and experience with serverless infrastructure such as AWS Lambda
• Experience with containerization and orchestration infrastructure (e.g. Docker, Kubernetes, ECS)
• Experience with distributed messaging systems such as Apache Kafka
• Experience collaborating with Engineering and Product teams to turn complex business requirements into clean and extensible APIs
• Nice to have : experience with Python as well as test frameworks such as pytest or unittest
• Nice to have : experience with Node.js and Typescript
• Possess strong technical, analytical, troubleshooting, and communication skills with the ability to visualize and document processes
• Proficient at using appropriate security, documentation, and / or monitoring best practices
• Familiar with Agile / Scrum methodologies
• What we Offer
• The opportunity to be a part of our inaugural Guadalajara, Mexico office, and to make a real impact on the launch and success of this team
• A dynamic and collaborative international engineering team
• An organization dedicated to supporting the passionate Collectors community
• A Competitive Salary and benefits
• Location
• : We are open to considering
• remote candidates
• that are living within Mexico. You can also work out of our Guadalajara, Jalisco office.#LI-Remote#BI-Hybrid#BI-RemoteCollectors uses e-Verify to validate your ability to work legally in the United States.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 jobs@collectors.com.
• 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.
• If you require an accommodation to apply or interview with us due to a disability or special need, please email
• people@collectors.com
• U.S. residents : for disclosures relating to personal information we collect during the employment application and recruitment process, please see our
• If you are based in California, you can read information for California residents

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