Senior Software Engineer, Core Open-Source (frontend/fullstack) - Weights & BiasesWeights & Biases • United States
Senior Software Engineer, Core Open-Source (frontend/fullstack) - Weights & Biases
Weights & Biases
- United States
- United States
À propos
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 AI, there’s never been a more exciting time to join our team.
What You’ll Do On the marimo team, we believe the tools we use shape how we think. The marimo core open‑source team develops and maintains the marimo notebook, including the editor frontend, backend compiler/runtime, intermediary server, library, and related projects such as a VS Code extension and Codemirror extensions.
As a senior software engineer on marimo’s core open‑source team, you’ll take ownership of projects across marimo’s open‑source ecosystem with an emphasis on the frontend, servers, and editor extensions (e.g., VS Code and Cursor). You will design delightful and powerful interactive experiences in the marimo editor while keeping the UI simple, build scalable and performant data visualizations, and deliver a robust code‑editing experience. You’ll work openly at a fast pace, engaging with a large, vocal community, triaging issues, and balancing community needs with the roadmap.
Who You Are
4+ years of experience in software engineering
Proficiency in Typescript and core language‑agnostic fundamentals
Experience building modern React applications
Strong written and verbal communication skills
Preferred
Passion for building developer tools, especially for AI, ML, or data
Empathy for practitioners and researchers in AI, ML, data engineering, NLP, or other quantitative work
Eye for visual and interaction design with an emphasis on simplicity
Enjoyment of engaging with users and the community daily
Proficiency in Python, or willingness to learn
Experience with AI engineering, including MCP and agents
Experience with SQL, databases, and data engineering
Experience working on open‑source projects
What We Offer Base salary range: $165,000–$242,000, with additional discretionary bonus, equity, and a comprehensive benefits program.
Medical, dental, and vision insurance – 100% paid by CoreWeave
Company‑paid Life Insurance
Voluntary supplemental life insurance
Short and long‑term disability insurance
Flexible Spending Account
Health Savings Account
Tuition Reimbursement
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 generous employer match
Flexible PTO
Catered lunch each day in our office and data center locations
Casual work environment
Work culture focused on innovative disruption
Our Workplace We prioritize a hybrid work environment. Remote work may be considered for candidates located more than 30 miles from an office, depending on role requirements. New hires will attend onboarding at a hub within their first month, and teams gather quarterly to support collaboration.
Equal Opportunity Employer CoreWeave is an equal‑opportunity employer committed to fostering an inclusive and supportive workplace. All qualified applicants 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. Under the Americans with Disabilities Act, CoreWeave will provide reasonable accommodations for the hiring process unless undue hardship. If accommodation is needed, please contact careers@coreweave.com.
Export Control Compliance This position requires access to export‑controlled information. To comply with U.S. Government export regulations, the applicant must be a U.S. person (citizen or permanent resident, refugee, asylee, or otherwise eligible). Eligible personnel may access the information without required export authorization, or obtain the necessary authorization from the U.S. government agency. CoreWeave may decline to pursue an export licensing process for legitimate business reasons.
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Compétences linguistiques
- English
Avis aux utilisateurs
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