Rumi is building a more transparent and authentic writing and learning environment for the AI era. We help institutions guide AI use at the assignment level, supporting learning-focused workflows instead of blanket enforcement.
The roleJoin our engineering team to architect a real-time, transparent writing environment. You’ll build end-to-end features—from high-performance frontends to robust backend services—delivering a seamless experience for classrooms at scale.
What you’ll doShip full-stack product features in a JS/TS stack (React + Node.js)
Design APIs, data models, and backend services that are reliable and scalable
Build responsive, fast UI experiences that feel great in real-time workflows
Improve system observability, performance, and reliability (metrics, tracing, on-call as needed)
Collaborate with product/design to turn educator needs into usable features
5+ years professional experience in JS/TS (Node.js + React)
Strong product sense: you care about UX, adoption, and iterative shipping
Experience building reliable systems (testing, CI/CD, monitoring, performance)
Ability to work across frontend and backend without handoffs
Clear communication and comfort making technical tradeoffs
Cloud experience with GCP and/or AWS (deployments, managed services, observability)
Postgres, Redis, queues, or event-driven architectures
Work in education, compliance/privacy-adjacent environments, or B2B SaaS
Competitive salary
Comprehensive health insurance
15 days PTO annually
Flexible working hours
Redwood City office (in-person preferred; remote possible)
Professional development support
Similar Jobs
What you need to know about the Colorado Tech Scene
Key Facts About Colorado Tech
- Number of Tech Workers: 260,000; 8.5% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Lockheed Martin, Century Link, Comcast, BAE Systems, Level 3
- Key Industries: Software, artificial intelligence, aerospace, e-commerce, fintech, healthtech
- Funding Landscape: $4.9 billion in VC funding in 2024 (Pitchbook)
- Notable Investors: Access Venture Partners, Ridgeline Ventures, Techstars, Blackhorn Ventures
- Research Centers and Universities: Colorado School of Mines, University of Colorado Boulder, University of Denver, Colorado State University, Mesa Laboratory, Space Science Institute, National Center for Atmospheric Research, National Renewable Energy Laboratory, Gottlieb Institute


