Senior Software Engineer, Full-Stack – PSA Liquidity Platform

🕒 June 25

🏄 California, Florida, +2 more states – Remote

🏄 California – Remote 🐊 Florida – Remote 🏖️ New Jersey – Remote 🤠 Texas – Remote

💵 $141k - $228.9k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🦅 H1B Visa Sponsor

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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

• Build powerful buyer tooling • Lead development of our next-generation buyer platform • Build and optimize the matching engine • Architect for scale: Design and operate microservices and distributed, event-driven systems • Elevate the seller experience: Make it effortless for sellers to understand their options, price their items accurately • Take an AI-first approach to building • Own outcomes end-to-end: Take projects from 0 to 1 • Drive cross-functional execution: Translate strategy into clear technical plans • Connect the ecosystem: Ensure seamless liquidity handoffs across the broader PSA enterprise • Communicate with clarity at every level

🎯 Requirements

• 6+ years engineering experience • Full-stack range: Strong proficiency in Java (Spring Boot) and modern frontend frameworks like React and Svelte • Distributed-systems depth: Experience with microservices and Kafka-based event-driven architectures, Kubernetes, and AWS • Observability-first mindset: Instrument what you ship using tools such as Datadog, New Relic, or OpenTelemetry • AI-first engineer: Use AI tooling across the development lifecycle • Systems thinker and customer focused: Decompose complex systems into clean boundaries and intuitive interfaces • Influential communicator: Communicate effectively with engineers, product partners, and stakeholders • Bias for ownership: Extreme ownership mindset and thrives in a fast-moving, self-directed environment • Passion for collecting is a plus.

🏖️ Benefits

• Health Insurance: All full-time employees are eligible to enroll in Medical, Dental, and Vision • Additional Benefits: Full-time employees are eligible for fertility, commuter, and educational assistance benefits • 401(K) Matching Plan: We are proud to offer a competitive 401k matching plan to our employees to support their future financial goals • Vacation: All salaried employees are eligible for flexible time-off • Holiday Pay: All regular, full-time employees are eligible for ten company paid holidays • Employee Discounts: Employees receive discounts on select grading services for approved submissions • Flexible Hours: Many of our teams offer flexible schedules with varying shifts and will work with you to accommodate your needs • Fun Working Environment: Our team members are invited to participate in celebrations, holiday events, and team building activities