Forward Deployed Engineer (Agentic AI)

Location: United Kingdom; flexible working from home is available, with work from outside the UK permitted for up to 6 months each year.

Company

PolyAI builds an agentic dialog platform for enterprise conversational AI, powered by its proprietary Raven dialog model and used across 25 countries and 75 languages.

What you will do

• Own customer agents end to end, from scoping and conversation design through Agent Studio and ADK development, launch, and ongoing production performance.
• Integrate agents with CRMs, booking engines, payment flows, legacy APIs, SIP, telephony, and contact-centre platforms using Python.
• Debug live calls across speech recognition, models, prompts, integrations, and phone-line infrastructure.
• Build evaluation sets from real calls, run A/B tests, and optimize containment, resolution, and caller experience.
• Turn customer-specific solutions into reusable tools, templates, and product improvements while collaborating with product, research, and platform engineering.
• Lead technical sessions with customer engineering, operations, and executive stakeholders, explaining trade-offs and making technical decisions.

Requirements

• Production experience building and shipping LLM-powered agents or conversational systems to real users, including tool use and evaluations; be prepared to demonstrate one.
• Strong Python skills and experience writing production code, APIs, and integrations, including in unfamiliar codebases.
• Several years of experience in a technical, customer-facing engineering role such as forward-deployed engineering, solutions engineering that ships production code, consulting engineering, or customer-facing startup engineering.
• Ownership of production outcomes, including being on call when systems break.
• Ability to explain latency budgets to engineers and containment trade-offs to COO-level stakeholders.

Nice to have

• Experience with voice and telephony, including SIP, IVR, CCaaS platforms, or real-time audio.
• Experience with evaluations, experimentation, or machine learning, including building test sets or running online experiments.
• Experience in regulated industries such as healthcare, utilities, or financial services.
• Experience with Go, C++, or high-throughput real-time systems.

Culture & Benefits

• Flexible work-from-home policy and a one-off home-working allowance.
• Work outside the UK for up to 6 months each year.
• 25 days of holiday on joining, increasing with tenure up to 32 days.
• Employee share options, private healthcare and dental cover, enhanced parental leave, and family-forming support.
• Annual learning and development allowance, employee assistance and mental-health programs, Bike2Work scheme, and a paid 5-week sabbatical after 5 years of employment.
• Culture centered on excellence, ownership, continuous improvement, action, constructive disagreement, and building for people.