Senior Backend Engineer

Summary

Join Tilt, a company revolutionizing e-commerce, as a Senior Backend Engineer. You will play a key role in architecting and scaling the systems powering Tilt's innovative shopping experience, from livestreams and checkout to auctions and payments. As part of the Core team, you will focus on foundational infrastructure, performance, and reliability. This role demands a builder who thrives in fast-paced environments, thinks like an owner, and enjoys tackling complex systems problems. You will collaborate closely with various teams, including product engineers, infra specialists, and data scientists. This is a remote role with occasional work from Toronto co-working spaces.

Requirements

• 5+ years of experience building production-grade systems
• Experience working in early-stage startups or high-growth environments
• Expertise in the Node.js ecosystem
• Strong understanding of backend architecture and scalable system design
• Deep experience with AWS and infrastructure-as-code (ideally with TypeScript CDK)
• Fluency with relational databases and data modeling
• A clear communicator—written, visual, and verbal
• Self-directed and comfortable in a high-autonomy, low-ego culture

Responsibilities

• Design and build scalable APIs and backend services that support millions of real-time user interactions
• Own core infrastructure across streaming, payments, auctions, and real-time bidding
• Improve performance, reliability, and observability across the stack
• Collaborate across teams to ship systems that are fast, resilient, and developer-friendly
• Help define and evolve backend best practices as we scale the team

Preferred Qualifications

• Experience with NestJS or similar backend frameworks
• Familiarity with GraphQL APIs
• Knowledge of document databases like MongoDB or DynamoDB
• Exposure to frontend frameworks (Vue or React)

Benefits

• You’ll be joining a mission-driven team backed by world-class investors ( TechCrunch )
• You’ll own meaningful systems from day one, with real scope and autonomy
• You’ll work alongside curious, kind, and wickedly smart teammates
• You’ll help redefine how millions of people shop online