Full Stack Developer SDE II

Help build the world's easiest-to-use manufacturing platform.

Atlanta

Full time

Start Proto is building the first agentic AI Manufacturing OS—a modern operating system that models how manufacturing works, optimizes every workflow, and deploys AI agents that keep shops running at peak capacity. Our customers build parts for medical devices, aerospace, robotics, and advanced industrial systems, and we help them unlock capacity and innovate faster.

Our mission is simple: give manufacturers the intelligent, modern software they deserve. We’re a lean team of builders solving real production problems  you want high ownership at a fast-growing pre-Series A company transforming an essential industry, we’d love to meet you.

This role requires adherence to all security and privacy standards. U.S. Citizenship or Green Cardholder status is required for certain regulated activities.

This is a full-time position in our Atlanta, GA office. As a full-stack engineer, you will collaborate with your teammates, including other engineers, designers, and product managers, to build full end-to-end features. Our teams are data-driven and outcome-focused, built around specific short-term and long-term user goals. This allows our teams to wholly own the success of our customers.

Who you are:

You’re an individual with high attention to detail. You care about the quality of your work because you know how it impacts our customers. You understand what it takes to build a robust and scalable service and can help us work toward such a vision. You know how to collaborate with your team in an iterative fashion to achieve team goals quickly.

You understand that sometimes the timeline is the requirement.

Responsibilities include:

• Designing, implementing, and maintaining public and private APIs, primarily in Python + FastAPI + MongoDB
• Creating and debugging asynchronous and/or streamed responses, especially in AI-related flows
• Building front-end components with complex business logic, primarily in React/Typescript + Node
• Building and maintaining integrations with other platforms and custom tools
• Working directly with customers and the product team to improve users’ daily experience
• Collaborating with other talented engineers, designers, and product managers to understand high-level business goals and architect engineering solutions that scale appropriately

Knowledge, Skills, and Abilities:

• 2+ years of experience writing code in an object-oriented language
• Experience with a modern web application stack e.g. Python/FastAPI, Node/Express, React/Typescript
• Experience with API design, development, and documentation
• Solid understanding of Mongo
  
  DB or other No
  
  SQL databases
• Experience using Cloud Providers such as AWS, Azure, or GCP
• Experience building applications with Docker
• Experience with CI/CD tooling such as Git Lab
• Excellent communication skills, both verbally and in writing
• Bachelor's Degree in Computer Science, Engineering, or related field
• Demonstrable use of agentic LLMs to interface with customer specific data through tooling and other methodologies
• Experience building critical business management software - especially MES, ERP, QMS systems
• Experience in manufacturing workflows
• Understanding of making web apps secure in regulated environments

At Start Proto, we operate with intention, urgency, and a commitment to excellence. We value clear thinking, sincere candor, and a bias toward action. Our core values – Technical Excellence, Curiosity & Candor, and Competitive Greatness – guide how we collaborate, solve problems, and build software that makes a real impact. We expect ownership, continuous improvement, and a team-first mindset.

Our headquarters is located in Atlanta Tech Village – a vibrant, high-energy startup hub in Buckhead. The office is collaborative, equipped with height-adjustable desks, additional monitors, and the latest Apple hardware. We regularly do team lunches and cross-functional work sessions to stay aligned and connected.

Benefits: We value you and your family. With this in mind, full-time employees are provided: