Senior Full-Stack Engineer - AI Agent Platform

Weights & Biases; Sunnyvale (CA); On-site; USD 182,000 - 242,000; Full time

Job summary

CoreWeave is hiring a Senior Full Stack Engineer for the ARIA Agent team. You will own features across the stack, from backend services to the React frontend, and build distributed worker systems for agent conversations at scale.

You will design streaming architectures for real‑time token output, collaborate with ML science, product, iOS, and SRE teams, and tackle production challenges including memory leaks and UI improvements.

Qualifications

• 4+ years of full stack experience with backend and frontend.
• Strong Python backend skills and async patterns.
• Proficient in TypeScript and React with production UI work.
• Experience at scale: deployments, autoscaling, worker concurrency.
• Familiar with observability tools and dashboards.
• Security-conscious engineering mindset and sandboxing awareness.

Responsibilities

• Own features across the stack from backend to React frontend.
• Build and maintain distributed worker systems for agent conversations.
• Design streaming architecture for real-time token output.
• Collaborate with ML science, product, iOS, and SRE teams.
• Debug production issues and harden egress/sandbox controls.

Skills

Full stack experience

Python backend

Frontend in React

System design

Observability

Security mindset

Tools

React

TypeScript

FastAPI

Kubernetes

Datadog

Weave tracing

SQL (MySQL)

Job description

CoreWeave is hiring a Senior Full Stack Engineer for the ARIA Agent team. You will own features across the stack, from backend services to the React frontend, and build distributed worker systems for agent conversations at scale.

You will design streaming architectures for real‑time token output, collaborate with ML science, product, iOS, and SRE teams, and tackle production challenges including memory leaks and UI improvements.