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.

• 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
• 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
• Experience contributing to open-source projects
• 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
• 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 maintaining and growing a widely used open-source project
• Experience building developer tools, especially for AI, ML, or data
• A passion for working with data and empathy for practitioners and researchers who use computational tools like notebooks
• Experience using AI to accelerate engineering processes
• Familiarity with observability platforms (Prometheus, Grafana, alerting systems), Kubernetes, and modern CI/CD practices
• Enjoy connecting regularly with users and contributors and translating their feedback into product and engineering improvements