Senior Developer Relations Engineer - marimo

What You’ll Do:

The marimo growth team is responsible for managing and growing the marimo community, playing a critical role in our goal of making marimo the standard Python used by millions of developers around the world.

The marimo community is diverse, including AI/ML developers, backend developers, security engineers, data engineers, data scientists, natural scientists, professors, students, and more. The growth team’s mandate is to build scalable bottoms‑up growth motions across these subcommunities, helping them transform their workflows with our next‑generation notebook and bringing back feedback to the engineering team. You will be given high autonomy, and will be trusted to make a large impact.

As a senior developer relations engineer on marimo’s growth team, you will:

• Work smart (and hard) to find high‑leverage, scalable, and measurable ways to grow usage, ranging from growth‑related software engineering to content creation
• Serve as a technical bridge between Marimo and our users, maintaining relationships with key champions and community members
• Organize and regularly attend events in the SF Bay Area (and around the US when needed)
• Build and nurture relationships with partner open‑source projects and Dev Rel teams to co‑create content, integrations, and joint community initiatives

This role is only open for candidates in San Francisco.

• 2+ years of experience in software engineering
• 2+ years of experience in developer relations and growth
• Proficiency in Python, with strong fundamentals that are language agnostic
• Technical background in AI, ML, and data science
• Strong communication skills, written and verbal, with a proven track record

• Experience with AI coding models
• Experience with growing open‑source communities
• Experience with Python notebooks
• Experience with developer tools
• A relentless focus on data‑driven methods and efficiency

• You love to engage with open‑source communities
• You’re an expert in tactically growing user bases
• You’re metric‑driven
• You thrive in high ownership roles

The base salary range for this role is $165,000 to $242,000. The starting salary will be determined based on job‑related knowledge, skills, experience, and market location. We strive for both market alignment and internal equity when determining compensation. In addition to base salary, our total rewards package includes a discretionary bonus, equity awards, and a comprehensive benefits program (all based on eligibility).

• Medical, dental, and vision insurance – 100% paid for by Core Weave
• 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

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.

Core Weave 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), Core Weave 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:

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.

Core Weave may, for legitimate business reasons, decline to pursue any export licensing process.