Software Engineer

Overview

What if your next role let you build a real-world AI workforce — where voice agents handle thousands of customer interactions and automate entire industries?

Our client — a YC-backed AI startup (Series A) — is hiring a Founding Software Engineer (London, onsite).

They’re building autonomous AI voice agents for trades and field service businesses, combining LLMs, speech-to-text, and real-time systems to power a new category of “digital workers.”

Responsibilities

• Build and ship core product features across Python, TypeScript, cloud infrastructure, and event-driven systems
• Own the full product lifecycle — from customer discovery to shipped solutions
• Work directly with customers to solve real operational problems
• Move fast on MVPs while building scalable, production-grade systems
• Raise the bar across testing, reliability, and system design
• Shape...