Senior Full-Stack Engineer

ABOUT THE ROLE Join a small engineering team building a marketplace for GPU compute. This senior, backend-focused role combines architecture and hands-on development, with ownership across product planning, implementation, and production reliability. WHAT YOU'LL DO - Architect and build backend services and frontend features for inventory, orders, requests for quotes, and invoicing. - Plan and document features, use AI coding agents to accelerate development, and validate the quality and correctness of their output. - Extend the platform with identity and business verification automation, messaging integrations, live chat, and AI-powered customer support. - Deploy and maintain production systems, focusing on performance, reliability, and maintainability. - Take part in product discussions and team standups, and help resolve customer support requests and tickets. WHAT WE'RE LOOKING FOR - Eight to twelve years of software engineering experience, including shipping customer-facing web applications and substantial backend work. - Experience as a founder or at an early-stage startup, with a self-directed, adaptable approach. - Proficiency with React, TypeScript, SQL, and modern HTML and CSS; familiarity with Go, Rust, Node.js, Bun, Temporal, or Kafka is relevant. - Hands-on Kubernetes experience and the ability to implement CI/CD pipelines. - Familiarity with AI-assisted development, including planning and writing specifications for AI agents. - Experience with marketplaces, e-commerce, inventory, invoicing, or traditional business operations; product experience beyond crypto-only products. - Comfort supporting customers and collaborating during core hours of 11 AM to 4 PM Eastern Time. COMPENSATION & BENEFITS Base salary: $200,000 to $275,000 USD annually. Visa sponsorship is available. LOCATION Remote, with the primary location in Canada. Candidates must be able to work US-compatible hours.