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