Prompt Engineer
6 days ago
United Kingdom - London Posted: 05/11/2025 Salary: Negotiable ID: 36869_BH Apply OR Prompt Engineer - Policy.AI (Government Efficiency Accelerator Programme) Location: London (hybrid work pattern) Contract type: 3 Months Rate: £650-£750 inside IR35 This programme is a flagship cross-government initiative driving operational efficiencies through the safe and responsible adoption of AI. The mission is to simplify workflows, automate routine tasks, and improve productivity across government - delivering better public services and substantial cost savings. The programme will create scalable playbooks and exemplars that enable rapid replication of success across departments. The Role: As a Prompt Engineer, you'll sit at the forefront of AI innovation in government. You'll design, test, and optimise prompts for large language models (LLMs) powering copilots and autonomous agents, ensuring they deliver accurate, safe, and contextually relevant outputs. You will work alongside product, engineering, and research colleagues to develop intelligent, scalable tools that unlock new levels of productivity for public servants. Key Responsibilities: Design, implement, and optimise AI agents using Copilot, planning algorithms, and decision-making frameworks. Develop agent architectures that support autonomy, interactivity, and reliable task completion. Integrate agents into real-world workflows, applications, and APIs (e.g. chatbots, copilots, automation tools). Collaborate with cross-functional teams to iterate and improve agent performance. Monitor and evaluate model behaviour, building safety mechanisms and feedback loops. Analyse conversational logs and model outputs to identify opportunities for improvement. Maintain robust documentation of design decisions, dependencies, and prompt libraries. Champion responsible AI practices, ensuring outputs are safe, ethical, and aligned with public service values. Skills / Experience required: You are a creative technologist who thrives at the intersection of AI, design, and systems thinking. You enjoy solving complex problems, collaborating across disciplines, and building tools that make a tangible difference. You'll bring experience in: Designing and refining prompts for LLMs (e.g. OpenAI, Anthropic, Mistral) to improve accuracy, reliability, and user experience. Building and maintaining prompt libraries, templates, and documentation. Using data analysis and evaluation frameworks to measure prompt performance. Collaborating with engineers, researchers, and product teams on AI-driven initiatives. Staying current with emerging techniques in prompt engineering, agentic AI, and LLM optimisation. Communicating complex findings to technical and non-technical audiences. Desirable (but not essential): Experience with autonomous agent frameworks (e.g. AutoGPT, CrewAI, LangGraph, ReAct, BabyAGI). Background in human-AI interaction, conversational UX, or simulation environments. Familiarity with vector databases and retrieval-augmented generation (RAG). Understanding of the ethical, social, and safety implications of AI deployment in government. Please apply online with your CV. Apply OR Share: Prompt Engineer
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Head of Prompts
5 days ago
London, Greater London, United Kingdom Prompt University Full timeAbout UsWe're building the world's first open-source prompt engineering university. Our mission: teach the world to prompt.We believe prompting will become the world's most valuable skill. Prompt University is creating free, community-driven education to democratise access to this emerging capability.The RoleWe're looking for our first Head of Prompts to...
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Prompt Engineer
3 weeks ago
London, United Kingdom TXP Technology x People Full timePrompt Engineer - LLMs & Responsible AI£775/day Inside IR35 | End of FY | Hands-on Prompt Engineer needed for a government AI programme. Design and evaluate prompts across multiple LLMs (ChatGPT, Claude) to support policy and business use cases. The Role Craft and refine prompts using advanced techniques (ReAct, Chain-of-Thought, ART)Build multi-agent...
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Prompt Engineer
4 weeks ago
London, United Kingdom Morson Edge Full timeContract Role: Prompt Engineer (Salesforce & Generative AI Integration) Duration:4–5 months (November – March) Hourly Rate:£54.60 - £60/hour inside IR35 Location:Fully Remote (UK-based candidates only)Overview We are seeking ahighly skilled Prompt Engineerwith deep expertise in theSalesforce platformand hands-on experience inGenerative AI integration ....
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Prompt Engineer
2 weeks ago
City Of London, United Kingdom Eden Smith Limited Full timePrompt Engineer - 6-Month Contract (Inside IR35) £450 - £550 per day | Hybrid | 2 days per week in London I'm partnering with a leading global law firm (one of the world's largest, advising major organisations across corporate, regulatory, and litigation matters) to hire an experienced Prompt Engineer for a high-impact AI adoption programme. What you’ll...
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Prompt Engineer
1 week ago
London, United Kingdom Harnham Full timePrompt Engineer - Contract - Initial 6 month Contract - 1/3 days a week in London office - Inside IR35- Up to £600 a day - Asap start Overview Prompt and retrieval engineer needed to support teams with prompt creation and RAG templates. The role involves providing hands-on guidance to teams, helping practice groups and sectors adopt AI tools, and acting as...
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Prompt Engineer
7 days ago
London Area, United Kingdom Amber Labs Full time £60,000 - £120,000 per yearPrompt Engineer (Copilot & Agent Building)Location:London / HybridContract Type:12-Month Fixed Term ContractWorking Pattern:Full-timeClearance:BPSS eligibleWe're looking for an experiencedPrompt Engineerto join a majorUK government projectfocused on accelerating the safe and effective use of AI across departments. You'll design, test, and optimise prompts...
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AI Prompt Engineer
3 weeks ago
London, United Kingdom Brightbox GRP Full timeAI Prompt EngineerLocation: UKRate: £400.00 Outside IR35We are seeking a dedicated and technically proficient AI Prompt Engineer to spearhead the development and optimisation of prompts for advanced platforms such as DealCloud, Filament Sifter, and Capsa. The ideal candidate will possess hands-on experience with generative AI technologies, leveraging their...
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GenAI Prompt Engineer
2 days ago
London, United Kingdom TieTalent Full timeOverviewCertain Advantage are recruiting on behalf of our globally renowned brand for a GenAI Prompt Engineer in London, initially until 31st Dec. This will need 2-3 days working onsite in Central London.ResponsibilitiesDesign, test, and refine prompts to optimise the performance of LLMs across various tasks (e.g., summarisation, Q&A, content generation,...
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Prompt Engineer
1 week ago
City of London, Greater London, United Kingdom Harnham Full timePrompt Engineer - Contract - Initial 6 month Contract - 1/3 days a week in London office - Inside IR35- Up to £600 a day - Asap start Overview Prompt and retrieval engineer needed to support teams with prompt creation and RAG templates. The role involves providing hands-on guidance to teams, helping practice groups and sectors adopt AI tools, and acting as...
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Prompt Engineer
1 week ago
City of London, Greater London, United Kingdom Harnham Full timePrompt Engineer - Contract - Initial 6 month Contract - 1/3 days a week in London office - Inside IR35 - Up to £600 a day - Asap start Overview Prompt and retrieval engineer needed to support teams with prompt creation and RAG templates. The role involves providing hands-on guidance to teams, helping practice groups and sectors adopt AI tools, and acting as...
