Principal Full Stack Engineer - AI Product

Core responsibilities include:

• Building production-grade React Native applications for web and mobile
• Architecting and implementing cloud-native services on GCP (Cloud Run, Cloud SQL, Pub/Sub)
• Developing agentic AI workflows using LangGraph, LangChain, or similar frameworks
• Integrating LLM APIs (Claude, GPT-4, etc.) with proper error handling, streaming, and cost optimization
• Building data pipelines for AI/ML workflows including RAG, vector search, and fine-tuning
• Writing well-tested, maintainable code and participating in code reviews to establish engineering best practices
• Contributing to technical architecture and system design discussions with customers to validate and refine features

This role creates an AI-powered platform to transform the $2T engineering services industry, building an intelligent operating system for engineering firms that uses agentic AI to supercharge their talents and build products in hard technology spaces.

Required qualifications:

• 7+ years building production software, with 4+ years of full-stack development
• Demonstrated proficiency using AI coding tools (Cursor, Copilot, Claude, etc.) to accelerate development
• Expert-level expertise with React and modern JavaScript/TypeScript
• Production experience with React Native for web and mobile applications
• Hands-on experience with GCP services (Compute, Storage, Databases) and deploying containerized applications
• Track record of shipping high-quality code at scale (10K+ users)
• Strong understanding of system design, API architecture, and database design
• Ability to balance rapid iteration with maintainable, well-tested code

Benefits include:

• Full health/dental/vision insurance
• Bonus program
• Generous 401K
• Paid time off
• Annual learning stipend
• Participation in Re:Build's LTIP equity program
• Opportunity for founder equity in potential spin-out
• Base salary range of $185,000 to $230,000 with performance bonus and long-term incentive plan

Re:Build Manufacturing is a growing family of industrial and engineering businesses combining enabling technologies, operational superiority, and strategic M&A to build America's next generation industrial company, deploying deep expertise in engineering, operations management, and technology to supercharge the performance of member companies.