Senior Full Stack Engineer (JavaScript/TypeScript)

Job summary

ABOUT RUMI 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 ROLE Join 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 DO * Ship full-stack product features in a JS/TS stack (React + Node.js) * Design APIs, data model…

Job details

ABOUT RUMI 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 ROLE Join 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 DO * Ship 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 WHAT WE’RE LOOKING FOR * 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 NICE TO HAVE * 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 BENEFITS * Competitive salary * Comprehensive health insurance * 15 days PTO annually * Flexible working hours * Redwood City office (in-person preferred; remote possible) * Professional development support

What you’ll do

The engineer will be responsible for shipping full-stack product features using a JavaScript/TypeScript stack, including designing reliable and scalable APIs, data models, and backend services. They will also build fast, responsive user interface experiences for real-time workflows and improve overall system reliability.

Requirements

Candidates must possess over five years of professional experience working with JavaScript/TypeScript, specifically using Node.js and React, and demonstrate a strong product sense focused on user experience and iterative shipping. Essential requirements include experience building reliable systems through testing, CI/CD, and monitoring, along with the ability to work across the full stack without handoffs.

Benefits

• Competitive salary • Comprehensive health insurance • Paid time off

Listed skills

• Node.js · Preferred
• CI/CD · Preferred
• Health · Preferred
• React · Preferred
• Clear Communication · Preferred
• Communication · Preferred
• JavaScript · Preferred
• TypeScript · Preferred
• Amazon Web Services · Preferred
• Time · Preferred
• Reliable · Preferred
• Shipping · Preferred

Other relevant skills

Identified from the job description. Confirm important requirements above.

• JavaScript
• TypeScript
• React
• Node.js
• API Design
• Data Models
• Backend Services
• UI Experiences
• Observability
• Performance
• Reliability
• Testing
• CI/CD
• Monitoring
• GCP
• AWS