Prompt Engineer

Queen Square Recruitment Ltd; Windsor; Hybrid; GBP 111,000 - 148,000; Part time

Job summary

Queen Square Recruitment Ltd is seeking an AI specialist for a hands‑on 6‑month contract in the Windsor area. The role focuses on LLM prompt engineering, conversational AI and agentic AI workflows across multi‑channel customer‑service solutions including voice, chat and messaging.

You will design, test, deploy and optimise prompts and workflows, implement guardrails for safety and compliance, and integrate AI with CRM and knowledge bases. Hybrid model with 1 day on site per week.

Qualifications

• Hands-on AI specialist with production‑level prompt engineering experience.
• Experience delivering conversational AI solutions for customer service (voice and chat).
• Knowledge of agentic AI, AI agents, tool calling and orchestration.
• Practical experience with RAG, grounding techniques and prompt/LLM evaluation.
• Understanding of Responsible AI, security, compliance and AI safety controls.

Responsibilities

• Design and optimise prompts for IVR, voice bots, chatbots and messaging channels.
• Build agentic AI workflows using tool calling, orchestration and multi‑step processes.
• Develop prompt evaluation frameworks, regression test suites and quality metrics.
• Implement guardrails for safety, compliance, PII protection and hallucination reduction.
• Integrate AI solutions with CRM, knowledge bases, billing and contact‑centre platforms.
• Work with Product, CX, Engineering and subject‑matter experts to translate customer journeys into AI behaviour.
• Monitor production performance and continuously optimise AI outcomes.
• Manage prompt versioning, approvals and release processes across environments.
• Support UAT, go‑live and early‑life support activities.
• Develop reusable prompt patterns, playbooks and accelerators.
• Strong hands‑on experience with LLM prompt engineering in production environments.
• Experience delivering conversational AI solutions for customer service, across voice and/or chat.
• Knowledge of agentic AI, AI agents, tool calling and orchestration.

Skills

LLM prompt engineering

conversational AI

agentic AI workflows

tool calling

orchestration

prompt evaluation

AI safety controls

security/compliance

Tools

Git

CI/CD

Job description

Working model: Hybrid — 1 day per week onsite

Contract: 6 months

This is a hands‑on contract opportunity for an AI specialist with strong experience in LLM prompt engineering, conversational AI and agentic AI workflows.

You will be responsible for designing, testing, deploying and optimising AI prompts and workflows across multi‑channel customer‑service solutions, including voice, chat and messaging.

Key Responsibilities

• Design and optimise prompts for IVR, voice bots, chatbots and messaging channels.
• Build agentic AI workflows using tool calling, orchestration and multi‑step processes.
• Develop prompt evaluation frameworks, regression test suites and quality metrics.
• Implement guardrails for safety, compliance, PII protection and hallucination reduction.
• Integrate AI solutions with CRM, knowledge bases, billing and contact‑centre platforms.
• Work with Product, CX, Engineering and subject‑matter experts to translate customer journeys into AI behaviour.
• Monitor production performance and continuously optimise AI outcomes.
• Manage prompt versioning, approvals and release processes across environments.
• Support UAT, go‑live and early‑life support activities.
• Develop reusable prompt patterns, playbooks and accelerators.
• Strong hands‑on experience with LLM prompt engineering in production environments.
• Experience delivering conversational AI solutions for customer service, across voice and/or chat.
• Knowledge of agentic AI, AI agents, tool calling and orchestration.
• Practical experience with RAG, grounding techniques and prompt/LLM evaluation.
• Understanding of Responsible AI, security, compliance and AI safety controls.
• Familiarity with Git, CI/CD and release governance.
• Strong stakeholder communication and collaboration skills.
• Ability to translate customer journeys and business requirements into effective AI behaviour.
• Voice AI, IVA or IVR modernisation.
• Experience within regulated industries such as utilities, BFSI or the public sector.
• Understanding of contact‑centre metrics such as containment, deflection and CSAT.
• Experience integrating AI with enterprise CRM, knowledge‑management or billing platforms.