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Senior Backend Engineer for AI-Driven Hardware Solutions

Rebuild ManufacturingFramingham, MA; Los Angeles, CA; Seattle, WA
On-site Full-time $165K/yr - $215K/yr

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Experience Level

Senior

Qualifications

To be successful in this role, you should possess:Proficiency in Python and FastAPI, with a solid understanding of PostgreSQL. Experience in building REST APIs and background task processing systems. Familiarity with AI tools and frameworks like LangChain, LangGraph, and others. Knowledge of cloud platforms, particularly Google Cloud Platform, and experience with Terraform. Strong problem-solving skills and a collaborative mindset.

About the job

Rebuild Manufacturing is building Reflow, an AI-enhanced platform for hardware product development. The platform connects with the tools hardware teams already use, maintains visibility across every program, and coordinates changes across disciplines. The goal: prevent missed context and overlooked change requests that can disrupt hardware projects.

This role calls for a senior backend engineer to help create the core services and AI infrastructure behind Reflow. The work is hands-on and high-impact, with support from a parent company recognized for its leadership in engineering and manufacturing.

What You'll Do

  • Design and build RESTful APIs with OpenAPI specifications and auto-generated client SDKs, using Python, FastAPI, SQLAlchemy, and PostgreSQL.
  • Create ingestion pipelines with Celery and Redis to connect with file storage, messaging, and email systems, turning unstructured inputs into structured engineering artifacts.
  • Develop and refine agentic AI workflows using LangChain, LangGraph, and related tools for data extraction, risk analysis, dependency mapping, and proactive team coordination.
  • Integrate LLM APIs (including Anthropic Claude and OpenRouter) with features like streaming (SSE), error handling, and cost management.
  • Deploy and manage services on Google Cloud Platform (Cloud Run, Cloud SQL, Memorystore) using Terraform.

Who We're Looking For

  • Proven experience delivering reliable, well-architected backend systems and taking ownership of the services built.
  • Strong skills with Python, FastAPI, and PostgreSQL.
  • Comfort with building everything from REST APIs to background task pipelines and AI agent infrastructure.
  • Regular use of AI coding tools such as Cursor, Copilot, or Claude to boost productivity.
  • Interest in building the backend for an AI-native platform supporting complex hardware development.
  • Ability to work closely with engineers, AI researchers, and product leadership to turn unstructured data (like call transcripts, emails, documents, datasheets) into structured engineering outputs (requirements, project plans, dependencies).
  • Hands-on approach: active coding, contributing to system design, and helping set backend engineering standards as the team grows.

Locations

Framingham, MA; Los Angeles, CA; Seattle, WA

About Rebuild Manufacturing

Rebuild Manufacturing is revolutionizing the hardware product development landscape by integrating advanced AI technologies to enhance collaboration and efficiency. Our mission is to ensure that teams can seamlessly share critical information and adapt to changes in real-time, thereby minimizing disruptions and optimizing project outcomes. Join us and be a part of this transformative journey!

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