Production LLM Engineer for Real-Time Voice Agents

PolyAI Ltd.

Greater London

Remote

GBP 90,000 - 130,000

Full time

2 days ago

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Benefits offered by this job

Equity

25 holidays + 1 after 2 years + cap at

WFH policy

WFH allowance

Private healthcare

Dental cover

Employee share options plan

Job summary

PolyAI Ltd. is seeking a Forward Deployment Engineer to own customer AI agents from scoping through production, across real-time voice and enterprise integrations. You will connect agents to CRMs, booking engines and legacy APIs, ensure reliable performance, and improve them with data-driven experiments.

The role emphasizes hands-on engineering, production code, and close collaboration with product, research and platform teams, including Raven maintenance and customer sessions.

Qualifications

Strong Python in production code, APIs and integrations.
Experience shipping LLM-powered agents in production.
Comfort with telemetry, monitoring and on-call ownership.

Responsibilities

Own production agents end-to-end from scope to production.
Connect agents to CRMs, booking engines and APIs.
Debug live calls across speech, model, prompts and integrations.
Run experiments, build eval sets and let data drive releases.
Collaborate with product, research and platform engineering.
Lead customer sessions and explain trade-offs clearly.
Contribute to reusable tools and templates for faster deployments.
Work with Raven and internal tooling to improve agent performance.

Skills

Python

LLM agents

APIs & integrations

SIP/telephony

Agent Studio

Tools

ADK

Job description

The role emphasizes hands-on engineering, production code, and close collaboration with product, research and platform teams, including Raven maintenance and customer sessions.

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