Senior Software Engineer

🔥 4 hours 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

• Design and deliver production-ready, testable, understandable solutions across the team's products • Develop backend services using NestJS, TypeScript, TypeORM, and PostgreSQL • Develop frontend features using Next.js and React 18–19 • Help replace legacy Java/Spring Boot services and extract functionality from a PHP monolith into modern services • Apply security, unit, integration, Cypress E2E testing, documentation, and monitoring best practices • Deploy and operate services on AWS using ECS, Lambda, SQS, Docker, AWS CDK, Terraform, and CodeBuild CI/CD • Use AI-assisted development tools for code generation, refactoring, test authoring, and legacy-code navigation • Drive larger sets of changes to completion across multiple sprints • Scope work, anticipate blockers, clarify expectations, and prioritize work using value-versus-cost considerations • Share knowledge through tech talks, documentation, design reviews, and AI-tool workflow guidance • Onboard new engineers and contribute to on-call, tooling, and quality initiatives • Provide and incorporate constructive feedback

🎯 Requirements

• 5+ years of professional software engineering experience building and operating production full-stack web applications • Advanced proficiency in TypeScript/Node.js with NestJS and Express, or deep Java/Spring Boot experience with strong motivation to work in TypeScript • Strong relational database skills with PostgreSQL and/or MySQL, including schema design, query optimization, and ORM usage • Proven frontend engineering experience with React; Next.js strongly preferred • Experience with component architecture, state management, SSR/ISR, accessibility, and frontend performance • Experience designing and consuming REST APIs; GraphQL is a plus • Solid grounding in automated testing and CI/CD • Experience with AWS and Docker/containerized deployment • Ability to work independently on multi-sprint efforts • Demonstrated hands-on, day-to-day fluency with AI coding assistants and agents such as Claude Code, GitHub Copilot, or Cursor • Must be legally authorized to work in the United States • Nice to have: legacy-system modernization, infrastructure-as-code, message-driven architectures, GraphQL, gRPC, headless CMS, React Native/Expo, Python, LLM integrations, RAG, embeddings, agentic workflows, and interest in sports cards, gaming, or collectibles

🏖️ Benefits

• Remote work arrangement • On-site interview may be requested during final interview stages • Equal employment opportunity • Reasonable accommodation during application and interview process