Collectors Universe, Inc. logo

Senior Software Engineer, Back-End (Power Packs)

Job Overview

Location

US Remote - California

Job Type

Full-time

Category

Software Engineering

Date Posted

June 25, 2026

Full Job Description

đź“‹ Description

  • • Design, build, and operate backend services and internal tools that power the Power Packs customer experience, including pack configuration, purchase flows, and end-to-end pack lifecycle integrations.
  • • Contribute to the shared data foundations that enable scalable, flexible marketplace experiences across the platform, with a focus on modeling data for white-label and multi-tenant architectures.
  • • Participate across the entire software development lifecycle—from concept and design to production release—ensuring high-quality, maintainable code and system reliability.
  • • Collaborate with Product, Engineering, and cross-functional teams to translate complex business requirements into clean, extensible APIs and technical designs.
  • • Troubleshoot and resolve data inconsistencies, integration failures, and service-level issues within a large, distributed codebase spanning multiple systems.
  • • Enhance system observability, security, and engineering best practices by implementing monitoring, logging, and documentation standards that improve team velocity and system resilience.
  • • Leverage AI tooling, particularly Claude, to accelerate software design, architecture decisions, and implementation tasks while maintaining rigorous code quality and engineering judgment.
  • • Work with cloud-native infrastructure on AWS, including serverless components like AWS Lambda, containerization with Docker and Kubernetes, and orchestration via ECS.
  • • Apply strong database fundamentals to design and optimize both relational (PostgreSQL) and NoSQL (DynamoDB) data models for high-throughput, low-latency applications.
  • • Contribute to full-stack plumbing as needed to connect backend services with frontend experiences and third-party systems, ensuring seamless user journeys.
  • • Maintain and improve technical documentation to ensure knowledge sharing, onboarding efficiency, and long-term system maintainability.
  • • Support Agile/Scrum methodologies through active participation in sprint planning, standups, retrospectives, and backlog refinement.
  • • Engage in team collaboration and knowledge sharing, with a preference for onsite partnership; candidates within one hour of the Santa Ana, CA office may be expected to work onsite most of the time.

🎯 Requirements

  • • 5+ years of software engineering experience building backend or data-intensive systems in production environments
  • • 4+ years of strong proficiency in Java and the Spring Boot framework
  • • Strong fundamentals in relational (e.g., PostgreSQL) and NoSQL (e.g., DynamoDB) databases and data modeling
  • • Experience building applications on AWS with serverless infrastructure such as AWS Lambda
  • • Experience with containerization and orchestration tools (Docker, Kubernetes, ECS)
  • • Experience collaborating with Engineering and Product teams to turn business requirements into clean, scalable APIs

🏖️ Benefits

  • • Health Insurance: Medical, Dental, and Vision coverage for full-time employees
  • • 401(k) Matching Plan: Competitive employer matching to support long-term financial goals
  • • Flexible Time-Off: Salaried employees eligible for unlimited vacation
  • • Ten Company-Paid Holidays: Regular full-time employees receive paid time off for designated holidays
  • • Employee Discounts: Discounts on select grading services for approved collectible submissions
  • • Flexible Hours: Teams offer varying shifts and schedule flexibility to accommodate individual needs

Skills & Technologies

Python
JavaScript
TypeScript
Java
Node.js
Backend
Senior
Remote
$140k-228k

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Collectors Universe, Inc. logo
Collectors Universe, Inc.
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About Collectors Universe, Inc.

Collectors Universe, Inc. is a third-party authentication, grading and related services company for high-value collectibles, primarily coins, trading cards, sports memorabilia, autographs and stamps. Founded in 1986 and headquartered in Santa Ana, California, it operates Certified Collectibles Group subsidiaries PSA, PCGS and others, providing standardized grading, encapsulation and population reports that establish market confidence. Revenue derives from grading fees, membership and online reference tools. After going private in a 2021 acquisition led by entrepreneur Nat Turner, it continues to serve collectors, dealers and auction houses worldwide while expanding digital resources and China operations.

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