AI Prompt Engineer We are Hiring AI Prompt Engineer with hands‑on specialist responsible for designing, testing, deploying, and optimising prompts and agentic workflows for multi‑channel customer service AI solutions. The role blends conversational design, LLM prompt engineering, evaluation discipline, and production‑grade governance Your responsibilities: Design and iterate prompts for IVR, voice bots, chatbots, and messaging channels. Build agentic AI workflows using tool calling, orchestration, and multi‑step reasoning. Define and maintain prompt evaluation frameworks, regression test suites, and quality metrics. Implement guardrails for safety, compliance, PII handling, and hallucination reduction. Integrate AI prompts with CRM, knowledge bases, billing, and contact‑centre platforms. Partner with CX, Product, Engineering, and SMEs to translate journeys into AI behaviour. Monitor production performance using analytics and continuously optimise outcomes. Manage prompt versioning, approvals, and release processes across environments. Support UAT, go‑live, and early‑life support phases. Contribute reusable prompt patterns, playbooks, and accelerators. Your Profile Essential skills/knowledge/experience: Strong hands‑on experience in LLM prompt engineering for production systems. Experience with conversational AI for customer service (voice
AI Prompt Engineer employer: Moonfire
Mindstone is an exceptional employer for those looking to thrive in the AI transformation space. With a strong focus on employee growth, competitive salaries, and meaningful equity opportunities, we foster a collaborative and innovative work culture in our London office. Our commitment to diversity and inclusion ensures that every team member's voice is valued, making it a rewarding environment for all.
