RadixArk
Member of Technical Staff — Backend/API Platform
$200K–$400K
Palo Alto +1 · On-site · Staff · Full-time · Posted Oct 21, 2026
- Location
- Palo Alto
San Francisco - Experience
- 4+ years building production backend systems, APIs, or platform infrastructure.
- Education
- Bachelor's or Master's degree in Computer Science, Engineering, or equivalent industry experience.
About the job
Build and operate the backend APIs, control plane, and platform services for SGLang and Miles in production.
What you'll do
- Design production REST/gRPC APIs, client SDKs, and API versioning; ensure reliability, performance, and security.
- Build authentication, authorization, rate limiting, multi-tenancy, scheduling, resource allocation, deployment management, billing, and quota systems.
- Create monitoring and observability systems, deployment automation, dashboards, and documentation; troubleshoot production issues and improve reliability.
What they ask for
- Strong proficiency in Python, Go, or Rust.
- Experience designing and building REST/gRPC APIs at scale.
- Solid understanding of distributed systems, databases, caching, and message queues; experience with authentication, authorization, rate limiting, and multi-tenancy.
- Familiarity with cloud platforms (AWS, GCP, Azure), Kubernetes, and monitoring tools (Prometheus, Grafana, DataDog).
Nice to have
- Understanding of ML serving infrastructure or high-throughput systems.
Pay
$200,000 - $400,000 USD (base salary); equity amount not stated.
Tools
Python, Go, Rust, REST, gRPC, AWS, GCP, Azure
AI focus
Build platform services and APIs powering production inference and training workloads for SGLang and Miles.
Model-written summary · the original posting is authoritative