Senior Software Engineer, Core Open-Source

This is a fully remote position, open to applicants in California, +3 more states.

📋 Description

• Take charge of projects within Marimo's open-source ecosystem, concentrating on Marimo's backend and its Python framework.

• Impact key decisions regarding library design, ensuring that APIs are straightforward yet modular.

• Craft new features that expand the possibilities of interactive computing while maintaining a seamless user experience.

• Operate transparently and swiftly — engage quickly with a large and active community of users and contributors.

• Assess issues and discern underlying needs by reading between the lines.

• Use discretion to balance the aspirations of the community with the strategic roadmap and vision.

⛳️ Requirements

• Over 4 years of experience in software engineering.

• Expertise in Python, with strong foundational skills that are applicable across languages.

• Knowledge of computer systems, including parallel computing (threading, multiprocessing), concurrency (asynchronous programming), and basic networking/inter-process communication.

• Background in library design and/or open-source contributions.

• Excellent communication abilities, both written and verbal.

• A passion for and experience in developing tools for developers, particularly in AI, ML, or data (preferred).

• An enthusiasm for working with data, with the capacity to empathize with professionals and researchers in AI, ML, data engineering, NLP, or other quantitative fields (preferred).

• A keen eye for visual and interaction design, prioritizing simplicity (preferred).

• Enjoyment in daily interactions with users and the community (preferred).

• Proficiency in Typescript, or a willingness to learn (preferred).

• Experience in AI engineering, including MCP and agents (preferred).

• Familiarity with SQL, databases, and data engineering (preferred).

• Experience with at least one systems programming language, such as C or Rust (preferred).

🏝️ Benefits

• Medical, dental, and vision insurance - fully covered by CoreWeave.

• Company-sponsored Life Insurance.

• Optional supplemental life insurance.

• Short-term and long-term disability insurance.

• Flexible Spending Account.

• Health Savings Account.

• Tuition Reimbursement.

• Opportunity to participate in the Employee Stock Purchase Program (ESPP).

• Mental Wellness Benefits provided through Spring Health.

• Family-Forming support offered by Carrot.

• Paid Parental Leave.

• Comprehensive childcare support with Kinside.

• 401(k) plan with a generous employer match.

• Flexible Paid Time Off (PTO).

• Daily catered lunches at our office and data center locations.

• A relaxed work atmosphere.

• A workplace culture centered around innovative disruption.