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Principal Full Stack Software Engineer

JITX

$150,000 - $250,000
Dec 30, 2025
San Francisco Bay Area, CA, US
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JITX is looking to revolutionize circuit board design by making it code-first and needs a principal full stack software engineer to drive technical direction for significant product areas and own them end-to-end

Requirements

  • Extensive full stack experience with TypeScript/React and Python
  • Strong algorithmic problem-solving skills with understanding of complexity analysis, graph/tree data structures, and computational efficiency
  • Experience with graphics/visualization libraries (PixiJS, Three.js, WebGL)
  • Background in developer tools or technical products
  • MongoDB and PostgreSQL experience, or other databases
  • Auth/identity management systems (WorkOS, Auth0, etc.)
  • Polyglot programming experience—comfortable across multiple languages and paradigms

Responsibilities

  • Reworking the user and license management system
  • Architecting and implementing the user management platform
  • Working on critical core runtime components that power the circuit design engine
  • Making architectural decisions that shape how electrical engineers interact with the product
  • Identifying technical debt, proposing solutions, and driving consensus around the right path forward
  • Coordinating with stakeholders across the company
  • Establishing patterns that others can follow

Other

  • Self-directed work style with strong product sense and ability to unblock yourself and others
  • Experience gathering requirements from stakeholders and translating them into technical solutions and system designs
  • Ability to mentor and raise technical standards across a team through code reviews and establishing best practices
  • Comfortable working with ambiguity in a startup environment
  • Strong communication and collaboration skills