Founding Systems Software Engineer
Core
Architect and ship core 0→1 systems at the intersection of software, hardware, and finance to power industrial sectors like machine shops, farms, and factories. (via careerplan.io/jobs/42998fcc-5ee8-4363-af4d-c9c01f4b78ce-founding-systems-software-engineer-at-substrate)
Role type
Founding Systems Software Engineer
Builds
Core financial infrastructure and production-grade LLM systems for loan operations
Domain
Fintech / Industrial Infrastructure
Deliverable
production ML models
Required skills
Node.js, TypeScript, Postgres, AWS, full-stack engineering, system architecture, LLM system design
Preferred skills
UI design taste, deep technical problem solving, ability to explain complex solutions
Responsibilities
Wrap abstractions around complex data and legacy systems; own full product lifecycle from design to shipping; design and deploy production-grade LLM systems for underwriting and compliance
Seniority
Founding, hands-on IC
