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Product Engineer (Full-Stack)

Karumi
Apply on company site
Hybrid (New York, NY)Full-timePosted 3mo ago

About the role

Full-stack product engineer role at Karumi, sponsoring visa, focused on building customer-facing features across frontend and backend with AI/LLM integrations, API design, and AWS deployment.

Responsibilities

  • Build full-stack features from UI components to backend services
  • Design and implement responsive, intuitive user interfaces with React
  • Develop high-performance APIs using FastAPI and async Python
  • Work with LLM integrations, prompt engineering, and AI-powered workflows
  • Deploy and monitor features across our AWS infrastructure
  • Gather user feedback and iterate rapidly on what you ship

Qualifications

  • Strong full-stack development experience (frontend + backend)
  • Proficient in React and modern JavaScript/TypeScript
  • Python skills with FastAPI or similar frameworks
  • Experience with PostgreSQL, Redis, and async patterns
  • Comfortable with AWS/Azure/GCP, deployment pipelines, and infrastructure basics
  • Product mindset - you care about user experience and customers, not just code

Skills

Required:ReactJavaScript/TypeScriptPythonFastAPIPostgreSQLAsync patternsClouds (AWS/Azure/GCP)
Nice to have:Redis

Benefits

  • Meaningful equity stake in a backed, fast-growing company
  • End-to-end ownership of features users interact with daily
  • Direct impact on product direction and company trajectory
  • Small team where shipping matters more than process
  • Visa sponsorship available
Last updated Oct 25, 2026. Interested? Apply on the company site.
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About Karumi

The Waymo of Personalized demos

Karumi is an AI agent that joins a live video call with your prospects to deliver personalized product demos, 24/7, in any language. It bridges the gap between your landing page and your sales team by engaging visitors at the peak of their interest, turning curiosity into conversion. For those not ready to talk to sales but eager to explore, Karumi offers the next generation of interactive, self-guided demos.

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