Principal Full Stack Engineer - AI Product at Re:Build Manufacturing

Boston, Massachusetts, United States

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Not SpecifiedCompensation

Senior (5 to 8 years), Expert & Leadership (9+ years)Experience Level

Full TimeJob Type

UnknownVisa

AI, Manufacturing, Engineering ServicesIndustries

Requirements

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

Responsibilities

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

Skills

Key technologies and capabilities for this role

React NativeGCPAgentic AILLM APIsCursorCopilotClaudeReal-time collaborationWorkflow automation

Questions & Answers

Common questions about this position

What are the must-have technical skills for this Principal Full Stack Engineer role?

Candidates must have 7+ years building production software with 4+ years full-stack development, demonstrated proficiency using AI coding tools like Cursor, Copilot, or Claude, expert-level expertise with React and modern JavaScript/TypeScript, and production experience with React Native for web and mobile, plus hands-on GCP services experience.

What is the salary or compensation for this position?

This information is not specified in the job description.

Is this role remote or does it require office work?

This information is not specified in the job description.

What does the engineering team structure look like?

The principal engineer will work alongside the engineering team, head of product, and AI researchers to build the technical foundations.

What makes a strong candidate for this role?

A strong candidate is a builder who has built products from scratch, measures success by shipping high-quality code that solves real customer problems, brings deep full-stack expertise from React Native to GCP and agentic AI, and already uses AI coding tools to 10x productivity.

Re:Build Manufacturing

Revitalizes American manufacturing with technology

About Re:Build Manufacturing

Rebuild Manufacturing focuses on revitalizing the American manufacturing industry by integrating advanced technologies into traditional manufacturing processes. Their approach enhances production efficiency and quality, allowing them to meet the demands for rapid fulfillment and customization while maintaining mass production efficiency. Unlike many competitors, Rebuild Manufacturing emphasizes creating sustainable jobs in areas affected by deindustrialization, aiming to support local communities and provide meaningful employment opportunities. The company's goal is to rebuild America's manufacturing base, ensuring long-term employment and profits while also prioritizing environmental preservation.

Waltham, MassachusettsHeadquarters

2020Year Founded

$226.5MTotal Funding

LATE_VCCompany Stage

Industrial & Manufacturing, Social ImpactIndustries

1,001-5,000Employees

Benefits

Company Equity

Professional Development Budget

Risks

Competition in thermoplastic composites market could impact Re:Build's product line.

$81 million Pennsylvania investment may face delays due to regulatory challenges.

Skilled labor shortage could hinder Re:Build's American manufacturing revitalization efforts.

Differentiation

Re:Build integrates advanced technologies with traditional manufacturing for high-value production.

Focus on revitalizing American manufacturing aligns with reshoring trends and local job creation.

Strong emphasis on environmental preservation and community support differentiates Re:Build.

Upsides

Increased demand for thermoplastic composites benefits Re:Build's new equipment line.

U.S. government funding for clean energy offers expansion opportunities in cleantech.

Adoption of Industry 4.0 technologies enhances Re:Build's production efficiency and customization.

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