Senior Software Engineer, Weave - Weights & Biases
CoreWeave · Livingston, NJ / New York, NY / Sunnyvale, CA / Bellevue, WA / San Francisco, CA
About this role
**Senior Software Engineer — Weave (Weights & Biases) | CoreWeave** CoreWeave is the Essential Cloud for AI™—built for pioneers by pioneers. We acquired Weights & Biases to create an end-to-end platform to develop, deploy, and iterate AI faster, combining world-class cloud infrastructure with best-in-class AI tools. **About the Role** Weave is CoreWeave’s observability, evaluation, and monitoring platform for AI agents and GenAI applications. Customers rely on Weave to build the auto-improving loop for their agents, including production tracing, offline evaluations, and online monitoring/alerting. 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. **What You’ll Do** - Implement robust and ergonomic APIs - Design and build integrations with popular agent harnesses/SDKs (e.g., Claude Code, Codex, pi.dev, OpenAI Agents SDK) - Scale and improve backend performance for low-latency, high-volume production use cases - Build polished, intuitive features (e.g., online LLM judges, playgrounds, evaluations, labeling, tracing UX) - Partner directly with users to understand workflows, gather feedback, and iterate quickly **Who You Are** - Bachelor’s degree in Computer Science (or related) - 8+ years of Software Engineering experience - Deep knowledge of **Python** and/or **TypeScript** - Experience building **AI agents** (personal or professional) - Ability to operate effectively amid ambiguity and adapt rapidly - Startup experience is a plus **Preferred** - Experience managing large-scale online production services or **OLAP databases** **Why CoreWeave** We work hard, have fun, and move fast. Our core values include: **Be Curious at Your Core**, **Act Like an Owner**, **Empower Employees**, **Deliver Best-in-Class Client Experiences**, and **Achieve More Together**. **Compensation & Benefits (US)** - Base salary range: **$165,000–$220,000** (based on knowledge, skills, experience, and market location) - Total rewards may include discretionary bonus, equity awards, and a comprehensive benefits program (eligibility-based) - Examples of benefits: medical/dental/vision (100% paid), life/disability coverage, HSA/FSA, tuition reimbursement, ESPP, parental leave, 401(k) match, flexible PTO, and more **Equal Opportunity & Accommodations** CoreWeave is an equal opportunity employer committed to an inclusive workplace. Reasonable accommodations are available for the hiring process. **Export Control Compliance** This role requires access to export controlled information. Applicants must meet specific eligibility requirements related to U.S. person status or authorization.
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