Staff Backend Engineer setting strategy and building scalable Identity systems for Affirm’s international buy - now - pay - later expansion. Leading backend architecture, reliability, operations, and engineering standards.
About the role
- Back-end engineer building scalable AI orchestration services and real-time infrastructure for Superhuman’s productivity platform. Collaborating across product teams to deliver reliable AI-powered features.
Responsibilities
- Build and operate high-throughput production services powering AI agent orchestration, connector integrations, and real-time data pipelines
- Design and build core platform services to scale systems
- Work across the Superhuman product suite, including Go, Mail, Docs, and Enterprise
- Collaborate with ML/AI, Product, and Front-End engineers to ship AI-powered features end to end
- Build and evolve infrastructure as code for high availability across consumer and enterprise customers
- Contribute to an engineering culture emphasizing documentation, testing, and reliability
- Mentor and grow junior engineers
Requirements
- 8+ years of back-end development experience
- Strong fundamentals in algorithms, data structures, and system design
- Experience building, deploying, and debugging production systems at scale
- Experience with AWS or other cloud platforms such as GCP or Azure
- Fluency with AI coding tools including Copilot, Cursor, and Claude Code
- Experience with real-time systems, event-driven architectures, or high-throughput API design is a plus
- Deep understanding of CI/CD and infrastructure as code
- Ability to work independently, manage priorities across multiple projects, and collaborate with cross-functional teams
- Strong product instincts and ability to balance speed and reliability
- Must be authorized to be employed in Canada
- Must not require visa sponsorship to continue working in Canada
Benefits
- Excellent health care, including medical, dental, vision, mental health, and fertility benefits
- Disability and life insurance options
- 401(k) and RRSP matching
- Paid parental leave
- 20 days of paid time off per year
- 12 days of paid holidays per year
- Two floating holidays per year
- Flexible sick time
- Stipends for caregiving, pet care, wellness, home office, and more
- Annual professional development budget and opportunities
- Equity
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