15 of 15 Contract Prompt Engineering Jobs in London

OpenAI Engineer (Cyber Security)

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract
operations. Creating AI assistants, copilots and agent-based workflows to enhance analyst productivity. Implementing Retrieval-Augmented Generation (RAG) solutions using enterprise knowledge sources. Applying prompt engineering techniques to optimise AI performance and accuracy. Integrating AI capabilities with SIEM, SOAR and other cyber security platforms. Establishing evaluation frameworks … developing solutions using the OpenAI Platform and APIs . Strong understanding of Large Language Models (LLMs) and Generative AI technologies. Hands-on experience with Prompt Engineering and AI optimisation techniques. Proven experience implementing RAG architectures and knowledge retrieval solutions. Knowledge of Agentic AI and multi-agent orchestration frameworks. ...

Prompt Engineer, Claude/ Claude Code

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£650 - £690 per day
Prompt Engineer, Claude, LLM £690 per day | Outside IR35 | Fully Remote | Contract We're looking for an experienced Prompt Engineer to support a major AI-enabled transformation programme. Working closely with business stakeholders and technical teams, you'll be responsible for translating requirements into high-quality prompts, instructions … hallucination management. Collaborate with business and technical teams throughout delivery. Required Experience: Strong experience with Claude and Claude Code . Proven background in prompt engineering, prompt design and optimisation . Excellent requirements gathering and stakeholder engagement skills. Ability to translate business needs into effective AI solutions. Strong ...

Proposal Manager

Hiring Organisation
Randstad Construction and Property
Location
Brentford, London, United Kingdom
Employment Type
Contract
Contract Rate
£55000 - £75000/annum
writing, sales support, or clinical trial operations. AI & Tech Fluency: Hands-on experience working with AI-powered RFP software (e.g., Loopio), LLM workflows, or prompt engineering frameworks. Systems Proficiency: Experience with Loopio, Salesforce, and Google Workspace platforms. Core Competencies: Strong technical writing, editing, and prompt engineering ...

Lead Agentic AI Architect

Hiring Organisation
CBSbutler Holdings Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £710 per day + inside ir35
Architect to join a major enterprise AI transformation programme with a leading UK bank. This is a genuinely senior opportunity to define the architecture, engineering standards and delivery of next-generation Agentic AI and Generative AI solutions within a complex, highly regulated environment. You'll operate at the intersection … strategy, enterprise architecture and hands-on engineering, taking ambitious AI initiatives from concept and roadmap through to secure, scalable production. Responsibilities: You'll take ownership of the architecture for enterprise AI capabilities, including: Agentic AI platforms, AI assistants, copilots and autonomous workflows Multi-agent systems incorporating reasoning, planning, memory ...

Prompt Engineer (Claude / Claude Code) - Mortgage Sales

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Prompt Engineer (Claude/Claude Code) - Mortgage Sales £695 per day Outside IR35 Ideally London 1 day per week/Can be fully remote A leading UK mortgage technology provider is looking for a Prompt Engineer with strong Claude and Claude Code experience to support the development … making sure the requirements, prompts and AI outputs are right. What you'll need: Strong hands-on experience with Claude and Claude Code Prompt engineering experience, including prompt design and optimisation Excellent requirements gathering and stakeholder engagement skills The ability to understand business processes and translate them ...

Contract - Senior CXE Engineer - Amazon Connect

Hiring Organisation
INNOVATIVE TECH PEOPLE LTD
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
propose better patterns, and own the implementation quality of your workstream from first commit through production cutover. This role blends deep Amazon Connect platform engineering, generative AI development on Bedrock and Claude, and full-stack serverless work, with regular direct interaction with customer engineering teams. Responsibilities Your Assignment … validate it with turn-by-turn trace analysis Optimize inference cost and latency hands-on: model tier selection (Haiku vs. Sonnet vs. Opus), prompt caching, and token budgeting against containment-rate targets Diagnose AI agent performance using observability tooling (agent spans, and CloudWatch) that correlates contact flow logs, conversation ...

AI Full Stack Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £388/day
Cloud (GCP, AWS, or Azure), containerization, CI/CD pipelines. Key Responsibilities Agentic Systems: Build multi-agent, stateful, and asynchronous workflows. LLM Management: Handle prompt engineering, context/memory management, hallucination controls, guardrails, and fallback logic. Observability: Implement tracing and evaluation frameworks, specifically utilizing LLM-as-a-Judge … patterns. Backend Engineering: Develop secure Python APIs and maintain strong testing and deployment disciplines. If interested kindly email me your updated CV to dona. thomas@ randstaddigital. com. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

SC Cleared Lead AI Engineer - AI Adoption & Governance

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£525 - £550 per day
Inside IR35 | 6 Months | Mainly Remote We're seeking an experienced SC Cleared Lead AI Engineer to drive AI adoption, governance, and engineering best practice across a large-scale organisation. This is a senior technical leadership role focused on establishing standards, defining guardrails, and enabling teams to adopt … technologies safely, effectively, and at scale. You'll combine hands-on AI engineering expertise with strategic influence, helping delivery teams integrate modern AI tooling while building sustainable communities of practice and adoption frameworks. Active SC Clearance is essential and must be in place at the point of application. ...

AI Platform Engineer (Sharepoint, OpenAI)

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £480/day £480 p/d Inside IR35
leadership and mentorship to a junior engineer. Essential Skills & Experience - MCP server development and AI agent tooling - Azure OpenAI, Azure AI Search, RAG and prompt engineering - SharePoint Online and Microsoft Graph API - Hybrid semantic/vector search - Enterprise API development and document processing - Azure (Functions and/… Container Apps) - Entra ID and OAuth/OIDC- CI/CD, testing and production support - Software engineering experience, ideally using Python and/or C#/.NET Desirable Skills - Microsoft 365 Copilot - Microsoft Purview - Enterprise knowledge management - Legal/eDiscovery solutions - Regulated or public-sector environments ...

Cyber AI Engineer - Remote

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day
alongside an understanding of cyber security operations. You'll ideally bring experience across: OpenAI platform/API development LLMs and Generative AI RAG implementation Prompt engineering and optimisation AI assistants/copilots Agentic AI or multi-agent systems Python development Vector databases and knowledge retrieval AI evaluation … model testing API integration and secure software engineering Cyber Security/SOC environments SIEM/SOAR technologies Rapid prototyping and PoC development You don't need to have done everything above. Strong practical GenAI engineering experience combined with an interest in applying AI to cyber security is what ...

AI Evaluation Engineer

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750 per day
Work directly with government teams Prototype and test solutions Present findings and recommendations Contribute to strategic direction. What We Are Looking For Strong software engineering experience Experience building and evaluating AI systems Understanding of LLMs and agentic AI Experience with AI evaluation frameworks Ability to code independently Strong problem … communication skills Comfortable working autonomously. Technical Experience AI/LLM Evaluation, RAG Evaluation, Ragas, Agentic AI Evaluation, Evaluation Harnesses, LLM Testing and Benchmarking, Prompt Engineering, Python Development, Model and Agent Integration. Ideal Background AI Evaluation Engineer, Applied AI Engineer, AI Engineer, LLM Engineer, Harness Engineer, Prompt Engineer ...

SC Cleared AI Data Scientist

Hiring Organisation
Sanderson Government and Defence
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£630 - £640 per day
Essential Skills & Experience Active SC Clearance. Strong experience using modern data science tools, techniques and methodologies. Proven knowledge of machine learning, Generative AI and prompt engineering. Hands-on experience with Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) and AI evaluation approaches. Strong data analysis, visualisation and statistical modelling ...

Copilot Studio Developer

Hiring Organisation
VIQU IT Recruitment
Location
South West London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - 600 per day + Outside IR35
production. Essential experience Strong hands-on experience developing solutions using Microsoft Copilot Studio. Proven experience building Copilot agents, skills or AI-powered workflows. Strong prompt engineering and experience grounding AI solutions using Microsoft 365/SharePoint data. Hands-on Power Automate/Power Platform experience, with an understanding ...

Copilot Studio Developer

Hiring Organisation
VIQU IT
Location
London, City of Westminster, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day Outside IR35
production. Essential experience Strong hands-on experience developing solutions using Microsoft Copilot Studio. Proven experience building Copilot agents, skills or AI-powered workflows. Strong prompt engineering and experience grounding AI solutions using Microsoft 365/SharePoint data. Hands-on Power Automate/Power Platform experience, with an understanding ...

RFX Proposal Manager

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£65000 - £70000/annum Negotiable
experience in bid management, proposal writing, or sales support. AI Fluency: Demonstrable hands-on experience with AI-powered RFP software, LLM workflows, and strategic prompt engineering. Skills: Exceptional writing abilities to synthesize technical information into clear, outcome-led customer value stories. Tech Stack: Proficiency in Loopio, Google Applications ...