Engineering Manager

CoreWeave is seeking an Engineering Manager to lead the marimo team across the open-source ecosystem and molab.

The marimo team develops marimo, an open-source reactive computational notebook for Python, and molab, a rapidly growing cloud-hosted notebook service.

As an Engineering Manager, you will mentor engineers, provide regular feedback, and help develop their careers, while also helping hire and onboard new teammates.

Key Responsibilities:

• Lead engineering execution across marimo's open-source ecosystem and molab
• Manage and mentor engineers, support their career development, and help hire and onboard new teammates
• Shape architecture and technical direction with engineers
• Evaluate community feature requests and balance user needs with long-term maintainability
• Lead improvements to engineering productivity and software quality
• Establish clear ownership and practices for molab's production reliability

Qualifications:

• 5+ years of software engineering experience
• 2+ years of engineering management experience
• Proficient in Python
• Experience contributing to open-source projects
• Technical depth to lead design and architecture reviews

Preferred Skills:

• Experience maintaining and growing a widely used open-source project
• Experience building developer tools, especially for AI, ML, or data
• Familiarity with observability platforms, Kubernetes, and modern CI/CD practices

The base salary range for this role is $182,000 to $242,000.

Benefits include medical, dental, and vision insurance, company-paid life insurance, flexible spending account, health savings account, tuition reimbursement, and more.