Product Engineer (Full-Stack)

About Karumi

The Waymo of Personalized demos

Tech

We master all the Generative AI related topics like Voice AI, Browser Agents & LLM agents. Latency, infrastructure, and strong system design skills are essential. Mastering them will make you a well-rounded engineer who can both build highly technical solutions and communicate effectively with customers.

The role

## The OpportunityJoin our product engineering team in the US to build features that directly impact how customers experience and adopt our platform. This role bridges technical execution and product thinking - you'll ship user-facing features while making architectural decisions across the entire stack.You'll work end-to-end: designing interfaces, building APIs, optimizing performance, and deploying to production. We move fast, iterate with users, and expect engineers to own problems from concept to launch._We sponsor visas for qualified candidates._## Core 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## Technical Requirements\- 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## Nice to Have\- Experience building with LLMs and AI-powered features\- Browser automation or headless browser technologies\- Design sensibility and attention to UI/UX details\- Previous startup or 0-to-1 product experience## Why Karumi\- 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\- Gym\- Visa sponsorship available

Skills

• Python
• React