Founding Full-Stack / Platform EngineerAmadeus Search • San Francisco, CA, United States
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Founding Full-Stack / Platform Engineer
Amadeus Search • San Francisco, CA, United States
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job_description.job_card.job_description2-5 years platform engineering experience building tools that speed up development Full-stack skills with React.js , TypeScript , and Python ( FastAPI , Django , or Flask ) DevOps knowledge (service configuration, CI / CD, monitoring, deployment automation) AWS / GCP deployment for production systems Experience at a company of 30+ employees where tools were used widely Bonus : public portfolio, Docker, microservices, open-source work, top CS school background In-person in SF (employee #4 in a growing AI startup) Direct impact on AGI infrastructure Close collaboration with frontier AI labs High ownership, greenfield architecture, and long-term platform vision
Role : Founding Full-Stack / Platform Engineer
Employment Type : Full-time, On-site
Location : San Francisco, CA
Compensation : $220k - $280k base + competitive equity
Visa : Not available Company Overview
Kaizen builds reinforcement learning environments that allow AI to train from its own experiences instead of relying solely on human-labeled data - a critical step toward autonomous AI and AGI. In just 5 months , they've gained traction with frontier AI labs that depend on their platform for high-volume AI training.
Role Summary
Employee #4, responsible for building developer tools, internal platforms, and scalable AI training infrastructure . You'll create reusable systems enabling rapid development and deployment, directly supporting frontier AI research and autonomous agentic AI systems .
Key Responsibilities
- Develop critical infrastructure, internal tools, and CI / CD pipelines
- Build React frontends + Python backends for platform tools
- Deploy scalable AI training systems on AWS / GCP
- Design reusable components and automation to eliminate repetitive dev work
- Establish engineering best practices for scaling from 3 → 30+ engineers
Ideal Candidate Profile
Culture & Work Style
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Founding Engineer • San Francisco, CA, United States
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