AI Full-Stack Engineer / Founding Engineer

Confidential

Silicon Valley, California, United States permanent

Posted: April 9, 2026

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Quick Summary

We’re not hiring someone to just execute tasks. We’re looking for a Founding-level AI Full-Stack Engineer who can think like a co-founder — define the product, architect solutions, build fast, and ship impactful features from day one.

Required Skills

Full-Stack Engineering AI Integration Frontend Development Scalable Systems LLM Integration API Development Database Management Product Sense Rapid Iteration User-Centric Design Full-Stack Architecture Design RAG Implementation

Job Description

AI Full-Stack Engineer / Founding Engineer

Base Salary: $100,000 – $140,000

Location: Hangzhou / Silicon Valley / Remote (Flexible)

Industry: AI-Powered Products

About the Role

We’re not hiring someone to just execute tasks.

We’re looking for a Founding-level AI Full-Stack Engineer who can think like a co-founder — define the product, architect solutions, build fast, and ship impactful features from day one.

You’ll work directly with the founder to shape an AI-native product from the ground up, blending strong full-stack engineering with deep AI integration.

What You’ll Do

• Own core web and app features end-to-end — from ideation to deployment and rapid iteration.

• Design and build scalable full-stack architecture, including APIs, databases, and modern frontend systems.

• Integrate advanced AI capabilities such as LLMs, RAG, AI agents, and intelligent workflows.

• Leverage AI tools aggressively to supercharge your own development speed and quality.

• Think from the user’s perspective, prioritize ruthlessly, and help evolve the product vision.

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