1X Technologies
Senior Software Engineer - Product
$175K–$225K
San Carlos, CA · On-site · Senior · Full-time · Posted Jun 17, 2026
About the job
Own and improve the full-stack fleet operations platform that connects 1X humanoid robots with operators, customers, and business systems.
What you'll do
- Build and ship end-to-end features across backend, frontend, and deployment.
- Extend the robot cloud protocol and build fleet-management and operations tools.
- Improve reliability and observability, including instrumentation, incident triage, and post-mortems.
What they ask for
- Strong architecture, concurrency, WebSocket services, and API-first development with OpenAPI/ogen.
- Strong TypeScript in strict mode on Node.js and production React experience with a modern full-stack framework and real-time state management.
- Database experience with schema design, migrations, connection pooling, and query performance.
- Production Kubernetes experience and AWS fundamentals.
Nice to have
- AI/LLM application development, including OpenAI SDK, LangChain, prompt design, token accounting, and evals.
- WebRTC or SFU; 3D or robotics visualization, ROS or robot middleware; or physical-device fleet operations experience.
Pay
$175,000 - $225,000 USD base salary
Tools
Go, TypeScript, React, Kubernetes, AWS, WebSockets, OpenAPI/ogen, Node.js
AI focus
Preferred AI/LLM application development, including OpenAI SDK, LangChain, prompt design, token accounting, and evals; the platform also includes AI-assisted task planning.
Model-written summary · the original posting is authoritative