Prompt Engineer

Job Title: Prompt Engineer Contract: 6 Months Location: London (Hybrid) Overview We are seeking a Prompt Engineer to join our team on a six-month contract. This role is ideal for someone passionate about language models, prompt design, and practical GenAI applications. You'll play a key role in optimizing how large language models (LLMs) are used across various workflows, helping drive innovation and performance through effective prompt engineering. Roles and Responsibilities Design, test, and refine prompts to optimize LLM performance across diverse tasks and domains. Build and maintain a library of prompt templates and reusable components. Collaborate with engineers, analysts, and business teams to embed prompt engineering into broader AI workflows. Analyse model outputs and user feedback to iteratively improve prompt accuracy, consistency, and relevance. Monitor developments in the fields of prompt engineering, generative AI, and LLM capabilities to inform internal practices. Contribute to documentation, internal guidelines, and knowledge-sharing initiatives related to prompt engineering. Required Background Demonstrable experience with prompt writing and LLM fine-tuning. Skilled in writing effective test cases for validation and performance checks. Basic data analysis capabilities, with proficiency in tools such as SQL and Excel. Strong problem-solving skills with a keen eye for detail. Excellent communication and collaboration skills, with the ability to work across cross-functional teams. Quick learner with a proactive mindset and an interest in emerging AI technologies. Ideal Background A background in information security, particularly where it intersects with AI or automation. Familiarity with evaluating model risks and ensuring secure prompt design

Location: London, EC1, GB

Posted Date: 9/12/2025