Engineering Manager

Join our team as an Engineering Manager, where you will lead the marimo team across the open-source ecosystem and molab. You will mentor engineers, shape engineering priorities, and guide investment to make marimo an open-source standard. Your responsibilities will include team execution, release cadence, software quality, and responsiveness to users. You will also help deliver a reliable service and a high-quality product experience for molab.

Enjoy connecting regularly with users and contributors and translating their feedback into product and engineering improvements

About CoreWeave

Wondering if you’re a good fit? We believe in investing in our people, and value candidates who can bring their own diversified experiences to our teams – even if you aren't a 100% skill or experience match. Here are a few qualities we’ve found compatible with our team. If some of this describes you, we’d love to talk

Experience using AI to accelerate engineering processes

Familiarity with observability platforms (Prometheus, Grafana, alerting systems), Kubernetes, and modern CI/CD practices

Responsibilities

• Lead the marimo team in executing engineering projects, managing staffing, technical planning, and release delivery.
• Mentor engineers, provide regular feedback, and help develop their careers while also helping hire and onboard new teammates.
• Shape engineering priorities and technical direction, lead team execution, and strengthen cross-functional collaboration as the team grows.
• 2+ years of engineering management experience leading senior engineers and technical leads
• Experience identifying if processes help or hinder a team and establishing clear, documented workflows that support its growth
• Technical depth to lead design and architecture reviews and evaluate tradeoffs involving APIs, state management, scalability, security, and reliability

Requirements

• Proficient in Python, with strong fundamentals that are language agnostic

Strong communication skills, written and verbal

• Experience owning production services end to end, including performance under load, availability targets, on-call rotations, and incident response
• Experience improving engineering practices, including automated testing, CI/CD, and code review

5+ years of software engineering experience

• You love helping engineers grow, take ownership, and build software they’re proud of
• You’re an expert in building and operating reliable production services, with the judgment to guide teams through design tradeoffs, scaling challenges, and incidents
• You’re curious about how people use notebooks to explore ideas and work with data, and enjoy learning directly from users
• Experience maintaining and growing a widely used open-source project
• A passion for working with data and empathy for practitioners and researchers who use computational tools like notebooks

Preferred

• Experience contributing to open-source projects
• Experience building developer tools, especially for AI, ML, or data

Pay

USD 182,000 - 242,000