
The AI developer platform.
What: Developer-first MLOps platform for tracking, visualizing, and managing machine learning experiments and workflows
Founded: 2017 — Lukas Biewald, Chris Van Pelt, Shawn Lewis
Funding: Reported $250M total raised (notable rounds: $135M Series C, $45M Series B, $50M strategic)
Exit: Acquired by CoreWeave (announced Mar 4, 2025)
Notable customers: Used by organizations including OpenAI
Machine learning development and operations (MLOps): experiment tracking, dataset/versioning, evaluation, and pipeline management.
2017
MLOps; AI developer platform
Acquired by CoreWeave; transaction price reported by press as $1.7B.
$50M
Round reported to value the company at about $1.25B and to bring total raised to $250M.
$135M
Supersized Series C announced Oct 13, 2021.
$45M
Series B announced Feb 1, 2021.
$15M
Round announced May 30, 2019.
$5M
Early funding round announced May 31, 2018.
“Backed by venture firms (Coatue, Insight Partners, Felicis, Bond, Bloomberg Beta, Sapphire, Trinity Ventures) and strategic/angel investors (Nat Friedman, Daniel Gross)”
CoreWeave, the AI Hyperscaler™, acquired Weights & Biases to create the most powerful end-to-end platform for AI development and deployment. Since 2017, CoreWeave has operated a growing footprint of data centers covering every region of the US and across Europe, and was ranked as one of the TIME100 most influential companies of 2024. By bringing together CoreWeave's industry-leading cloud infrastructure with the best-in-class tools ML practitioners know and love from Weights & Biases, we're setting a new standard for how AI is built, trained, and scaled.
The integration of our teams and technologies is accelerating our shared mission: to empower developers with the tools and infrastructure they need to push the boundaries of what AI can do. From experiment tracking and model optimization to high-performance training clusters and inference at scale, we're combining forces to serve the full AI lifecycle — all in one seamless platform.
Weights & Biases has long been trusted by over 1,000 organizations — including OpenAI, NVIDIA, Microsoft, and Toyota — to build better models. Now, as part of CoreWeave, that impact is amplified across a broader ecosystem of AI innovators, researchers, and enterprises.
As we unite under one vision, we're looking for bold thinkers and agile builders who are excited to shape the future of AI alongside us. If you're passionate about solving complex problems at the intersection of software, hardware, and machine learning, there's never been a more exciting time to join our team.
About this Role:
Reporting to the Director of Product, as a Staff Technical Writer you will join the Docs Team to write documentation for W&B's machine learning developer tools.
You will partner closely with Product and Engineering to document product updates and try new functionality to build subject-matter expertise. Collaborate with Growth and Sales to drive updates on what features are most in demand for additional context and documentation.
Minimum Qualifications:
The base pay and target total cash for this position range from $188,000 to $250,000 and $226,000 to $300,000, accordingly. Pay is based on a number of factors including market location and may vary depending on job-related knowledge, skills, and experience. This position includes a discretionary bonus, equity, and a comprehensive benefits package.
What We Offer
The range we've posted represents the typical compensation range for this role. To determine actual compensation, we review the market rate for each candidate which can include a variety of factors. These include qualifications, experience, interview performance, and location.
In addition to a competitive salary, we offer a variety of benefits to support your needs, including:
Our Workplace
While we prioritize a hybrid work environment, remote work may be considered for candidates located more than 30 miles from an office, based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration
California Consumer Privacy Act - California applicants only
CoreWeave is an equal opportunity employer, committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information.
As part of this commitment and consistent with the Americans with Disabilities Act (ADA)**, CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process, unless such accommodation would cause an undue hardship. If reasonable accommodation is needed, please contact: careers@coreweave.com*.*
Export Control Compliance
This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information, applicant must either be (A) a U.S. person, defined as a (i) U.S. citizen or national, (ii) U.S. lawful permanent resident (green card holder), (iii) refugee under 8 U.S.C. § 1157, or (iv) asylee under 8 U.S.C. § 1158, (B) eligible to access the export controlled information without a required export authorization, or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may, for legitimate business reasons, decline to pursue any export licensing process.