Staff Software Engineer

AI Voice Agents for Trades & Field Services • London (On-site)

Location

London, UK (On-site, 5 days/week)

Compensation

£150k–£250k base + competitive equity

About the company

Our client is building autonomous AI voice agents for trades and field-services businesses. The product plugs into trades CRMs so AI customer-service representatives can book and schedule jobs on their own. Founded in 2023, around 14 people, $13M raised, based in London.

The role

A backend-leaning full-stack staff role building core product across Python, TypeScript, cloud infrastructure, event-driven systems, third-party integrations, AI/ML, and voice platforms. You'll own the full lifecycle — working directly with customers to understand what they need, scoping the solution, and delivering the outcome.

What you'll do

Build and ship core product features across Python, TypeScript, cloud infrastructure, event-driven systems, and third-party integrations
Own the lifecycle: work directly with customers to understand needs, scope solutions, and deliver outcomes
Know when to hack an MVP to deliver value quickly and when to invest in scalable foundations
Raise the bar on testing, documentation, reliability, security, and engineering best practices

What we're looking for

These are hard requirements. Check each one that applies to you.

5–10 years of full-stack software engineering experience, backend-leaning
AI product development experience
Strong Python and TypeScript experience
Cloud infrastructure and event-driven systems experience
Able to work on-site in London 5 days/week
Customer-facing ownership — able to scope and deliver solutions directly with customers

Please note: every item above is a hard requirement for this role. Applications that don't meet all of them will be rejected. We recommend applying only if you check every box.

Don't check every box? No worries — submit your info here and we'll keep you in mind for roles that could be a better fit.

Submit Your Info

Nice to have

Kubernetes and serverless experience
Voice platform experience
Experience integrating with CRMs or field-services/trades workflows

Tech stack

Python and TypeScript across the stack; Kubernetes and serverless on infrastructure; event-driven architecture, AI/ML, and voice platforms.

Compensation & logistics

£150k–£250k base + competitive equity
London — on-site 5 days/week
Visa sponsorship available

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