Senior Backend Engineer

Loot Labs is on a mission to make collecting fun. We are passionate about bridging the gap between collectible markets and avid collectors. Our product, Boxed.gg, offers a marketplace that facilitates the purchase and trade of digital items in an accessible manner. The platform initially focused on physical trading card games such as Pokémon, Magic: The Gathering, and Yu-Gi-Oh!, allowing users to digitally unbox rare cards and have the physical items shipped to their doorsteps. We’re hiring a Senior Backend Engineer to design and scale the systems behind our products. You’ll lead architecture discussions, ship secure and performant APIs, and collaborate closely across the stack. We’re looking for someone who doesn’t just write code, but owns the full system lifecycle from design to debugging to iteration. Location: Remote (US preferred) Occasional U.S. travel is required for in-person collaboration, team offsites, and company events. Type: Full-time Time Zone Requirement: Must have 5+ hours of overlap with US Pacific Time (9am–6pm PT) Language: Must be fluent in English and comfortable working in a fast-paced, collaborative environment Why You’ll Love Working Here

• You’ll own features end-to-end and see your impact in days, not months.
• Work alongside people who ship fast and care about the details.
• Take ownership in ambiguous situations and shape solutions collaboratively.

How You’ll Contribute & Succeed Here

• Bring senior-level experience building production backend systems (typically 5+ years)
• Design, build, and maintain reliable, scalable backend services using AWS (DynamoDB, Lambda, S3, AppSync, Cognito, SQS) and SST (v2 and v3), with Infrastructure as Code best practices.
• Develop and maintain GraphQL APIs and application logic in TypeScript
• Lead system design, data modeling, and architectural decisions for scalability, performance, and long-term maintainability, owning solutions from planning through launch and iteration
• Implement robust security, authentication/authorization, and data protection
• Maintain healthy production systems through CI/CD best practices, robust observability, and effective incident response
• Collaborate with frontend, product, and design to deliver backend systems that enable seamless user experiences
• Bring strong product sense and user empathy. Always build with the why in mind, not just the what
• Proactively communicate, raise concerns early, and solve problems with teammates
• Balance speed and robustness, making pragmatic trade-offs to deliver value quickly without sacrificing quality
• Mentor others, share knowledge, and help raise the technical bar

Bonus Skills

• Experience with e-commerce systems, including payment processing, marketplaces, and order/fulfillment workflows
• Familiarity with blockchain, cryptocurrency, or digital collectibles
• Experience with OpenSearch / Elasticsearch
• Experience building internal tools (e.g., Retool)
• Experience with real-time and event-driven systems
• Experience with data scraping or browser automation
• Interest in collectibles, gaming, or creator platforms

Working Hours & Compensation Loot Labs is a remote-first company, and this role is open to candidates globally. To support efficient collaboration across teams, we will prioritize applicants who have working hour overlap with U.S. and E.U. time zones. Compensation will be competitive and based on your experience level as well as local market benchmarks for your region. Accessibility & Employment Eligibility We are committed to providing an inclusive and accessible recruitment process. If you need any accommodations during the application or interview process, please let us know—we’re happy to support you. For candidates located in the United States: Loot Labs participates in E-Verify and will confirm work authorization as part of the hiring process.