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Member of Technical Staff - Backend Engineer

Sage AI Labs
Full-time
On-site
San Francisco, California, United States
Backend Development

Member of Technical Staff - Backend Engineer

Location: San Francisco, CA

Job Type: Full-time

Sage Labs is an AI-powered commerce startup revolutionizing product discovery. We work at the intersection of machine learning, distributed systems, and high-performance computing, building cutting-edge search and discovery experiences. Backed by industry leaders, we are solving some of commerce’s toughest engineering challenges.

We operate with a flat structure, emphasizing direction and execution over hierarchy. As a Backend Engineer, you will design, build, and maintain the core services powering our AI-driven platform. This is a hands-on role for an engineer who thrives in complex, high-scale environments.

Your Impact

  • Design scalable backend systems—Develop high-throughput, low-latency services for AI-driven search

  • Ensure reliability—Optimize performance, fault tolerance, and observability at scale

  • Develop APIs—Build well-documented, efficient APIs for seamless data exchange

  • Enhance CI/CD—Automate deployment and release workflows

  • Integrate AI/ML—Collaborate on AI-driven recommendations and personalization

  • Secure systems—Implement best practices for data security and compliance

  • Boost developer productivity—Improve internal tooling and workflows

Who You Are

  • Backend expert—7+ years in distributed systems, HPC, or cloud infrastructure

  • Programming skills—Fluent in Python, Go, or Rust, with scalable system experience

  • Cloud knowledge—Expertise in AWS, GCP, or Azure, including serverless and containerized workloads

  • DevOps experience—Hands-on with Terraform, Kubernetes, and CI/CD

  • Data-driven—Familiar with real-time data processing and high-availability architectures

  • Bias for action—Move fast while balancing sustainability

  • Startup-ready—Thrive in ambiguity, adapt to change

Why Join Us?

  • Build from the ground up—Shape the future of AI-first commerce

  • Collaborate with top engineers—Solve cutting-edge problems in AI and commerce

  • Own meaningful projects—Make an impact on architecture and product

  • Competitive package—Salary, equity, and benefits

If you're an engineer eager to build AI-driven systems and transform commerce, we want to hear from you

Apply now or reach out to build@sagelabs.ai

No recruiters or agencies please

Benefits include:

  • Unlimited PTO

  • Competitive Salary

  • Equity Options

  • Daily food stipend