Founding Software Engineer — Real-Time Voice AI

Keycard; New York (NY); Hybrid; USD 180,000 - 230,000; Full time

Benefits offered by this job

AI tools budget

Job summary

Keycard is building the intelligence layer for the skilled mechanics that keep America running. We’re hiring a founding engineer to shape core product and architecture, shipping across the stack, and working directly with users.

You’ll build realtime voice agents deeply understanding heavy machinery, architect AI-powered retrievals across millions of repairs, and extend a bidirectional sync engine with customer ERPs. You’ll lead as we grow.

Qualifications

• Experience with React, TypeScript, Ruby, or Python.
• Proven ability to prototype, ask for feedback, and iterate quickly.
• Experience owning end-to-end production systems.
• Strong product taste—details that make software intuitive and polished.
• Prior founder or founding engineer experience is a plus.
• Experience working with customers or leading technical projects with external stakeholders.

Responsibilities

• Build realtime voice agents that are intelligent and delightful for heavy machinery contexts.
• Architect AI-powered retrieval systems across millions of repairs.
• Extend the bidirectional sync engine between Keycard and customer ERPs.
• Build nimble UIs for service work across trucks, shop floors, or counters.
• Develop evaluation, monitoring, and review tools to measure AI impact.
• Take on leadership roles as a core product and technical contributor as the company grows.

Skills

React

TypeScript

Ruby

Python

Prototyping

End-to-end systems

Customer facing

Job description

Keycard is building the intelligence layer for the skilled mechanics that keep America running. We’re hiring a founding engineer to shape core product and architecture, shipping across the stack, and working directly with users.

You’ll build realtime voice agents deeply understanding heavy machinery, architect AI-powered retrievals across millions of repairs, and extend a bidirectional sync engine with customer ERPs. You’ll lead as we grow.