Weights & Biases · 15 hours ago
Senior Software Engineer, ML Verticals - Weights & Biases
Livingston, NJ
Full-time
Hybrid
Mid, Senior Level
$139K/yr - $204K/yr
3+ years expWeights & Biases, now part of CoreWeave, is focused on creating a powerful end-to-end platform for AI development. The Senior Software Engineer will design and build new mechanisms for machine learning practitioners, working across the stack to implement features that enhance data analysis workflows.
Artificial Intelligence (AI)Big DataSoftwareAI InfrastructureData VisualizationDeveloper ToolsGenerative AIMachine Learning
No H1B
U.S. Citizen Only
Responsibilities
Rapidly prototype, iterate, and ship new analysis workflows for ML verticals, balancing experimentation with long-term product quality
Design frontend experiences in parallel with backend schemas and APIs, evolving data models as user needs become clearer
Work across the stack to implement end-to-end features, including adding or modifying logging formats, APIs, and data access patterns
Make pragmatic decisions about how user-logged data should be stored, queried, and rendered to support new analytical questions
Collaborate closely with product, design, and customer-facing teams to validate ideas early and incorporate real user feedback
Improve reliability, performance, and scalability when working with large, complex, or high-volume datasets
Contribute clean, testable, and reusable code; participate in code reviews and help establish patterns that reduce one-off solutions
Qualification
Required
3–5+ years of experience building user-facing software, with a strong focus on frontend development
Comfortable working across the stack, including backend services, APIs, and data models when product needs require it
Experience working in ambiguous problem spaces where requirements, schemas, and abstractions evolve over time
Strong product instincts and ability to reason from user goals to technical design decisions
Familiarity with modern web technologies such as React, TypeScript, and GraphQL
Solid understanding of programming fundamentals and experience with at least one backend or systems language (e.g. Go, Python, Java, C++, JavaScript)
Bias toward action, iteration, and learning through building, with the judgment to avoid over-engineering too early
Preferred
Experience evolving or versioning data schemas in production systems
Experience designing APIs to support exploratory or analytical workflows
Familiarity with large-scale data systems, time-series data, media, or domain-specific file formats
Exposure to ML, robotics, simulation, or scientific tooling
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
Daniel Gross,Nat FriedmanNVIDIABond,Felicis
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
2026-02-06
trinityventures.com
2026-02-05
Qualcomm Ventures
2026-01-20
Company data provided by crunchbase