Senior Software Engineer - PSA Liquidity
Collectors Universe, Inc.4 days ago
Remote, United StatesSenior
Responsibilities
- Build buyer tooling for targeting, campaign management, budget controls, and analytics.
- Develop and optimize real-time offer pricing, targeting, and ranking systems to improve GMV, conversion, and offer-to-sale velocity.
- Improve seller workflows for pricing items and completing sales through PSA Partner Offers and eBay Consignment.
- Design and operate scalable microservices and distributed, event-driven systems with low latency and high reliability.
- Own full-stack product quality and deliver projects from problem definition through instrumented production release.
- Coordinate cross-functional execution, technical planning, specifications, user stories, and delivery across engineering and partner teams.
- Integrate liquidity workflows across grading, collection management, vaulting, payments, logistics, and risk systems.
- Use AI tooling throughout planning, development, review, debugging, and operations.
Requirements
- 6+ years of engineering experience, equivalent to at least 72 months.
- Track record designing, shipping, and scaling 0-to-1 products with measurable business impact.
- Ideally 2+ years operating as a Senior IC or equivalent technical leadership level at a high-growth company or scaled consumer platform.
- Strong proficiency in Java and Spring Boot.
- Strong frontend proficiency with modern frameworks such as React and Svelte.
- Experience designing and operating microservices and Kafka-based event-driven architectures.
- Experience running workloads on Kubernetes and working in the AWS ecosystem.
- Experience with observability tools such as Datadog, New Relic, or OpenTelemetry, including dashboards, monitoring, alerting, and distributed tracing.
- Strong written and verbal communication, systems thinking, customer focus, ownership, and ability to align stakeholders without direct authority.
- Mobile experience with Flutter and Dart is a plus.
- Passion for collecting is a plus.
Benefits
- Candidates within a one-hour commute of the office may be expected to work onsite most of the time; onsite expectations will be discussed during recruiting.
- Interview stages generally require cameras to be on for video interviews, with some steps potentially conducted by phone; remote candidates may be asked to attend a final onsite interview.
- Equal employment opportunity and reasonable accommodation support are provided.
Tech Stack
Categories
About Collectors Universe, Inc.
Collectors Universe (Collectors) provides authentication, grading, vaulting, and marketplace services for collectibles such as trading cards, coins, video games, tickets, autographs, comics, and memorabilia. Founded in 1986 and headquartered in Santa Ana, California, the privately held company operates PSA and PCGS, plus PSA Vault and the Card Ladder analytics platform, and integrates with marketplaces like eBay. It earns fees for grading, storage, consignment, and data services, and has certified millions of items.