Senior/Staff Software Engineer

• Help take the product from a working MVP to a robust, extensible, enterprise-grade platform used by engineering and operations teams on real industrial projects
• Collaborate closely with founders and early customers to shape technical architecture, engineering culture, product direction, and standards
• Build foundational systems, own large pieces of the product, and solve hard problems blending AI, industrial modeling, and complex data flows
• Work across the stack—from backend services and data pipelines to simulation infrastructure and frontend architecture

This role enables the rapid development of industrial infrastructure required to power and manufacture cutting edge technologies, helping companies bring new products to market faster by reducing planning timelines by 10x.

• Strong proficiency in Python and TypeScript/React with ability to build features spanning the entire stack
• Thoughtful approach to system architecture and software design with track record of pragmatic decisions in ambiguous environments
• Experience shipping production software at an early-stage startup, ideally owning projects end-to-end from design through deployment
• Clear written and verbal communicator able to distill complex ideas and document work
• High level of ownership and bias toward action with authorization to work in the United States

• Salary range: $140-200k based on experience
• Comprehensive medical, dental, and vision coverage
• Daily lunch allowance
• Beautiful office in SoHo (NYC) or coworking space (Boston, SF Bay Area)
• Competitive compensation packages including equity
• Flexible PTO
• 401(k)
• Team offsites

Synonym is building Roebling, an AI-native industrial planning platform aimed at enabling rapid development of industrial infrastructure required to power and manufacture cutting edge technologies by reducing planning timelines by 10x.