Senior Software Engineer, Weave - Weights & Biases
About The Position
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 continuously improve the product experience. You’ll work closely with cutting-edge AI builders, developing the next generation of tools that help teams understand, evaluate, and iterate on their AI agents.
Requirements
- Bachelor’s degree in Computer Science or related field.
- 8+ years of experience in Software Engineering.
- Deep knowledge of Python and/or TypeScript.
- Experience (personal or professional) in building AI agents.
- Ability to operate effectively amid ambiguity and adapt rapidly to a changing environment.
Nice To Haves
- Previous startup experience is a plus.
- Experience managing large-scale online production services or OLAP databases.
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 online LLM judges, playgrounds, evaluations, labeling, and tracing UX.
- Partner directly with users to understand workflows, gather feedback, and rapidly iterate on solutions.
Benefits
- Medical, dental, and vision insurance - 100% paid for by CoreWeave
- Company-paid Life Insurance
- Voluntary supplemental life insurance
- Short and long-term disability insurance
- Flexible Spending Account
- Health Savings Account
- Tuition Reimbursement
- Ability to Participate in Employee Stock Purchase Program (ESPP)
- Mental Wellness Benefits through Spring Health
- Family-Forming support provided by Carrot
- Paid Parental Leave
- Flexible, full-service childcare support with Kinside
- 401(k) with a generous employer match
- Flexible PTO
- Catered lunch each day in our office and data center locations
- A casual work environment
- A work culture focused on innovative disruption
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What This Job Offers
Job Type
Full-time
Career Level
Senior
