Moonfire seeks a Senior Prompt Engineer to lead design, optimization, and scaling of prompting strategies for large language models. You’ll partner with engineering to embed prompts in apps, agents, and RAG pipelines, driving performance and safety.
The role demands 5+ years in software engineering with 2+ years in production prompt engineering, expert Python/Java, and hands-on use of LangChain, LangSmith, and OpenAI Evals. Hybrid UK-based position with equity.
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Lead Prompt Engineer for Scalable AI Workflows in Reading 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.
