Senior Software Engineer – Grading Operations

Job not on LinkedIn

🔥 1 hour ago

🏄 California – Remote

🏄 California – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🦅 H1B Visa Sponsor

This company has sponsored H1B visas in the past.

👻 Ghost score 11%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Collectors

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

💼 Consulting

📣 Marketing

🛍️ eCommerce

Consulting • Marketing • eCommerce

Collectors is a company dedicated to helping collectors pursue their passion for collecting valuable and iconic items. They specialize in authenticating and grading collectibles, including rare baseball cards, coins, and memorabilia. Collectors offers industry-leading authentication and grading services, connecting a community of enthusiasts to help them grow their collections. Their products feature famous collectibles such as Mickey Mantle's 1952 Topps Baseball card, the 1913 Liberty Head nickel, and a Limited Edition Solid 20-karat Gold 20th Anniversary Pikachu. Collectors provides a platform for collectors to connect with others and build the future of collecting.

📋 Description

• Use AI tooling, preferably Claude, across software design, architecture, and implementation while owning shipped quality • Build backend services, APIs, and data models for internal grading and authentication applications • Work across containerized .NET applications, serverless APIs, and Python background-processing jobs • Design and implement high-volume event-driven and asynchronous systems • Develop frontend features using JavaScript, TypeScript, and Vue.js • Collaborate with Product, Technology, and Operations teams to translate business requirements into technical designs • Troubleshoot data, integration, service, and UI issues across a large codebase • Participate in an on-call rotation for owned services • Contribute technical documentation and improve maintainability, knowledge sharing, and team velocity • Improve system design, code quality, observability, and engineering practices

🎯 Requirements

• 5+ years of software engineering experience building production applications, with substantial backend experience and some hands-on frontend experience • 3+ years of experience or strong proficiency in C# and .NET • Routine use of AI tooling in software design and development, preferably Claude, with responsibility for reviewing its output • Experience designing and building RESTful APIs and service integrations • Experience defining module boundaries and selecting when capabilities should become separate services • Experience writing and maintaining automated tests for production services • Strong fundamentals with relational databases and data modeling, such as SQL Server and PostgreSQL • Hands-on experience building and operating cloud production services, including Docker, Kubernetes, ECS, serverless compute behind an API gateway, and managed messaging and data stores • Hands-on experience with JavaScript, HTML, CSS, and a component-based frontend framework • Experience with CI/CD pipelines, Infrastructure as Code such as Terraform or CloudFormation, and monitoring and observability tools such as CloudWatch or Datadog • Strong communication and troubleshooting skills, with ability to document work • Experience translating complex Product and Operations requirements into clean, extensible systems • Familiarity with Agile/Scrum methodologies • Collectors uses e-Verify to validate ability to work legally in the United States

🏖️ Benefits

• Remote work arrangement • Potential on-site interview for remote roles during final stages, at the company's discretion • Equal employment opportunity • Reasonable accommodation during the application and interview process