Senior AI Platform Engineer — Observability & Agents

Weights & Biases; San Francisco (CA); On-site; USD 165,000 - 220,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

401(k) with employer match

Tuition Reimbursement

Paid Parental Leave

Flexible PTO

Job summary

Weave is CoreWeave’s observability, evaluation, and monitoring platform for AI agents and GenAI applications. Our customers rely on Weave to build the auto‑improving loop for their AI agents: including production tracing, offline evaluations, online monitoring and alerting.

We’re looking for Software Engineers to help build and scale Weave. In this foundational role on a small but growing team, you’ll design and ship core functionality, gather feedback directly from users and customers, and

Qualifications

• Bachelor's degree in Computer Science or related field.
• 8+ years of experience in Software Engineering.
• Deep knowledge of Python and/or TypeScript.
• Experience in building AI agents.
• Ability to operate effectively amid ambiguity and adapt rapidly to a changing environment.

Responsibilities

• Implement robust and ergonomic APIs.
• Design and build integrations with popular agent harnesses and SDKs such as Claude Code, Codex, pi.dev, OpenAI Agents SDK, etc.
• Scale and improve backend performance to support low-latency, high-volume production use cases.
• Build polished and intuitive features such as online LLM judges, playgrounds, evaluations, labeling, and tracing UX.
• Partner directly with users to understand workflows, gather feedback, and rapidly iterate on solutions.

Skills

Python

TypeScript

AI agents

APIs

Education

Bachelor's degree in Computer Science

Tools

OLAP databases

Job description

Weave is CoreWeave’s observability, evaluation, and monitoring platform for AI agents and GenAI applications. Our customers rely on Weave to build the auto‑improving loop for their AI agents: including production tracing, offline evaluations, online monitoring and alerting.

We’re looking for Software Engineers to help build and scale Weave. In this foundational role on a small but growing team, you’ll design and ship core functionality, gather feedback directly from users and customers, and