Collectors Universe, Inc.

Senior Software Engineer, Full-Stack (Power Packs)

Collectors Universe, Inc.
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3 months ago
Remote, United StatesSenior

Base Salary

$141k - $229k/yr

Responsibilities

  • Participate across the software development lifecycle, taking features from concept through production release.
  • Build backend services, APIs, data models, integrations, and internal operational workflows.
  • Develop frontend applications using JavaScript, TypeScript, React, and Next.js.
  • Translate business requirements into clean, extensible backend and frontend designs with Product, Engineering, and partner teams.
  • Troubleshoot data, integration, service, and user-interface issues across a distributed codebase.
  • Contribute technical documentation and improve system design, code quality, observability, and engineering practices.
  • Use AI tooling, preferably Claude, to accelerate software design, architecture, and implementation while applying sound engineering judgment.

Requirements

  • At least 5 years of software engineering experience building production applications, with substantial backend and meaningful frontend experience.
  • At least 3 years of experience or strong proficiency with Java and Spring Boot.
  • Strong database and data-modeling fundamentals across relational databases such as PostgreSQL and NoSQL databases such as DynamoDB.
  • Experience designing and building APIs and service integrations for scalable product development.
  • At least 3 years of modern frontend development experience with JavaScript, TypeScript, React, and Next.js.
  • Experience with containerization and orchestration infrastructure such as Docker, Kubernetes, and ECS.
  • Strong technical, analytical, troubleshooting, communication, visualization, and process-documentation skills.
  • Familiarity with security, documentation, testing, and monitoring best practices and Agile/Scrum methodologies.
  • Comfort using AI tooling, preferably Claude, for solution design, system architecture, and implementation.
  • Preferred experience with white-label or multi-tenant architectures, Apache Kafka, Python, pytest, unittest, AWS, AWS Lambda, shared design systems, Svelte, SvelteKit, Twitch, customer-facing applications, and internal tools.

Benefits

  • Medical, dental, and vision insurance for eligible full-time employees.
  • Fertility, commuter, and educational assistance benefits for eligible full-time employees.
  • 401(k) matching plan.
  • Flexible time off for salaried employees and ten company-paid holidays for regular full-time employees.
  • Employee discounts on select grading services.
  • Flexible schedules where available, with remote or hybrid arrangements; employees within one hour of the office may be expected to work onsite most of the time.
  • Celebrations, holiday events, and team-building activities.

Tech Stack

Collectors Universe, Inc.

About Collectors Universe, Inc.

1,001-5,000 employees
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