Founding Software Engineer

About this role

Join a well-funded seed-stage B2B SaaS startup to build an agentic supply chain integrations platform. As a founding engineer, you'll own full-stack development across frontend, backend, and infrastructure while shaping the product direction and engineering culture from day one.

What you'll do

• Design and develop the integrations platform including mapping, testing, retries, queues, and observability
• Build features across the full tech stack: React/TypeScript frontend, Node.js backend, and AWS infrastructure
• Own end-to-end project delivery from specification through implementation to customer impact
• Implement LLM and agentic workflow integrations
• Define product direction and engineering culture as an early team member
• Build and maintain distributed systems with strong reliability patterns

What they're looking for

• TypeScript and React
• Node.js
• AWS cloud infrastructure
• PostgreSQL
• Large Language Models (LLMs) and agent-based platforms
• Observability and distributed tracing
• Full-stack development
• Computer science fundamentals

Benefits

• Salary: $130,000–$200,000 USD annually
• Early-stage equity as a founding team member
• Visa sponsorship available
• High ownership and impact on company trajectory
• On-site role in San Francisco