Weights & Biases · 10 hours ago
Software Engineer, Weave - Weights & Biases
San Francisco, CA
Full-time
Hybrid
Mid Level
$175K/yr - $275K/yr
4+ years expWeights & Biases, part of CoreWeave, is looking for Software Engineers to help build and scale Weave, a toolkit for tracking and evaluating GenAI applications. In this role, you will design and ship core functionality while working closely with AI builders to enhance the product experience.
AI InfrastructureArtificial Intelligence (AI)Data VisualizationDeveloper ToolsGenerative AIMachine Learning
No H1B
U.S. Citizen Only
Responsibilities
Implement robust and ergonomic open-source client APIs
Design and build integrations with popular LLM tools such as LlamaIndex, LangChain, and Instructor
Scale and improve backend performance to support low-latency, high-volume production use cases
Build polished and intuitive features such as multi-modal evaluations, LLM playgrounds, and dataset editing/drill-down capabilities
Partner directly with users to understand workflows, gather feedback, and rapidly iterate on solutions
Qualification
Required
Bachelor's degree in Computer Science or related field
4+ years of experience in Software Engineering
Deep knowledge of Python and/or TypeScript
Experience (personal or professional) in building GenAI-powered applications
Ability to operate effectively amid ambiguity and adapt rapidly to a changing environment
Previous startup experience is a plus
Preferred
Experience managing large-scale online production services or OLAP databases
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
Company
Weights & Biases
Weights & Biases is a developer-first MLOps platform that builds machine learning performance visualization tools.
201-500 employees
Funding
Current Stage
Growth StageTotal Funding
$250MKey Investors
NVIDIAInsight PartnersCoatue
2025-03-04Acquired
2023-09-01Secondary Market
2023-08-09Series Unknown· $50M
Leadership Team
Chris Van Pelt
Co-Founder & CISO
Shawn Lewis
Founder/CTO
Recent News
2025-11-04
2025-11-01
Company data provided by crunchbase