15 prompt engineer jobs found in London

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 of a new Mortgage Sales System. This is a new role within the business. You 'll work with stakeholders across the business to understand their requirements and translate them into high-quality prompts, instructions and AI workflows. You 'll then test and refine them so the outputs are accurate, consistent and reliable. You 'll work closely with the development team throughout delivery. This is not a developer role. A separate team builds and tests the application code, and your focus is on making sure the requirements, prompts and AI outputs are right. What you 'll need: Strong hands-on experience with Claude and Claude Code Prompt...

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 and AI workflows, ensuring AI outputs are accurate, consistent and aligned to business needs. Key Responsibilities: Gather and analyse business requirements from key stakeholders. Translate business processes into effective prompts, instructions and AI workflows. Design, optimise and refine prompts to improve output quality and consistency. Test and evaluate AI responses, identifying opportunities for improvement. Apply best practice around LLM behaviour, guardrails and hallucination management. Collaborate with business and technical teams throughout delivery. Required Experience: Strong experience with...

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 and AI workflows, ensuring AI outputs are accurate, consistent and aligned to business needs. Key Responsibilities: Gather and analyse business requirements from key stakeholders. Translate business processes into effective prompts, instructions and AI workflows. Design, optimise and refine prompts to improve output quality and consistency. Test and evaluate AI responses, identifying opportunities for improvement. Apply best practice around LLM behaviour, guardrails and hallucination management. Collaborate with business and technical teams throughout delivery. Required Experience: Strong experience with Claude and Claude...

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 of a new Mortgage Sales System. This is a new role within the business. You'll work with stakeholders across the business to understand their requirements and translate them into high-quality prompts, instructions and AI workflows. You'll then test and refine them so the outputs are accurate, consistent and reliable. You'll work closely with the development team throughout delivery. This is not a developer role. A separate team builds and tests the application code, and your focus is on 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...

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 and AI workflows, ensuring AI outputs are accurate, consistent and aligned to business needs. Key Responsibilities: Gather and analyse business requirements from key stakeholders. Translate business processes into effective prompts, instructions and AI workflows. Design, optimise and refine prompts to improve output quality and consistency. Test and evaluate AI responses, identifying opportunities for improvement. Apply best practice around LLM behaviour, guardrails and hallucination management. Collaborate with business and technical teams throughout delivery....

Job title: Agentic Engineer (six-month contract, outside IR35) Type: Day-rate contractor, outside IR35 Location: London, client site 2 to 3 days a week Start date: Monday 28th September, must be available to start then We're looking for an Agentic Engineer to deliver a six-month engagement for hedgehog lab, embedded with a large UK content and media client, building the AI-powered workflows that put agentic engineering into practice for them. What you build, and how well you document it, becomes the template for the client's permanent hire once this engagement ends. You'll turn business and operational problems into agentic systems that hold up in production. Reliable, observable, useful. You'll also use AI agents to produce a meaningful share of your own code, tests, and documentation, directing and checking AI-generated work rather than writing everything by hand. Same quality bar as anything hand-written. About Hedgehog Lab UK digital product consultancy and...

Agentic Forward Deployed Engineer £550 to £650 per day outside IR 35 | 6-Month Contract – Likely Extension Hybrid – Stratford, London | 2 Days Onsite per Week We are partnering with a large global education technology organisation operating across 100+ countries, generating more than £600m in annual revenue and engaging with over 2.5 million users globally. The organisation is investing heavily in its next generation of AI-native, in-house products and is looking for an experienced Agentic Forward Deployed Engineer to work at the cutting edge of agentic AI. This is a highly hands-on role, embedding directly with engineering and programme teams to establish how production-grade agentic systems are built, secured, evaluated and operated at enterprise scale. You will: Design and implement production agentic AI systems and coding-agent workflows Establish best practices for LLM evaluation, red-teaming and AI guardrails Define governance around agent behaviour,...

Job title: Agentic Engineer (six-month contract, outside IR35) Type: Day-rate contractor, outside IR35 Location: London, client site 2 to 3 days a week Start date: Monday 28th September, must be available to start then We're looking for an Agentic Engineer to deliver a six-month engagement for hedgehog lab, embedded with a large UK content and media client, building the AI-powered workflows that put agentic engineering into practice for them. What you build, and how well you document it, becomes the template for the client's permanent hire once this engagement ends. You'll turn business and operational problems into agentic systems that hold up in production. Reliable, observable, useful. You'll also use AI agents to produce a meaningful share of your own code, tests, and documentation, directing and checking AI-generated work rather than writing everything by hand. Same quality bar as anything hand-written. About hedgehog lab UK digital product consultancy...

Full job description Job title: Agentic Engineer (six-month contract, outside IR35) Type: Day-rate contractor, outside IR35 Location: London, client site 2 to 3 days a week Start date: Monday 28th September, must be available to start then We're looking for an Agentic Engineer to deliver a six-month engagement for hedgehog lab, embedded with a large UK content and media client, building the AI-powered workflows that put agentic engineering into practice for them. What you build, and how well you document it, becomes the template for the client's permanent hire once this engagement ends. You'll turn business and operational problems into agentic systems that hold up in production. Reliable, observable, useful. You'll also use AI agents to produce a meaningful share of your own code, tests, and documentation, directing and checking AI-generated work rather than writing everything by hand. Same quality bar as anything hand-written. About hedgehog lab...

JOB TITLE Senior AI Engineer - Machine Learning (Computer Vision) LOCATION North London - hybrid SALARY £650 per day outside IR35 LENGTH 6 months ABOUT THE BUSINESS Our client is a leading digital commerce organisation undergoing a significant technology transformation. This is an exciting opportunity to join a business at the forefront of AI adoption, helping to build scalable solutions that enhance customer experiences, improve operational efficiency, and drive future growth. THE SENIOR AI ENGINEER - MACHINE LEARNING (COMPUTER VISION) OPPORTUNITY Design, develop and deploy AI-powered solutions using deep learning, computer vision, large language models (LLMs), and generative AI technologies. Build and maintain scalable data pipelines, ensuring high standards of data quality, governance, and reliability. Develop multimodal AI models that combine visual,...

This role is remote within the UK, and we're looking for engineers available quickly to join us for 6 months under O/IR35 requirements. About Us Seccl is the Octopus-owned embedded investment platform, on a mission to help more people invest, and invest well. We’re building the infrastructure behind the next generation of investing. Our technology already powers some of the UK’s most ambitious fintechs, banks, financial advisers and wealth firms, with close to a million investors relying on Seccl-powered platforms. And we’re now expanding into Europe. We’ve got a proven product, strong momentum and big ambitions for what comes next: helping more household-name brands launch and scale investment propositions, entering new markets and replacing outdated investment infrastructure with technology that’s faster, simpler and built for scale. We’re proud to be part of Octopus, one of the UK’s most successful privately held investment and technology groups. That gives us the...

QA Engineer Location: London; Hybrid (Minimum 2 days per week in the office) Job Type: Contract Outside IR35 About the Opportunity We are seeking an experienced QA Engineer to join a growing technology function responsible for ensuring business-critical applications and platforms are delivered and maintained to the highest standards of quality. This role will take ownership of testing strategy, quality assurance governance, supplier testing oversight, and user acceptance testing activities across a range of enterprise applications. You will work closely with internal stakeholders, delivery teams, and third-party suppliers to ensure solutions are robust, secure, and fit for purpose before they are released into production. This is an excellent opportunity for a QA professional who enjoys combining hands-on testing expertise with governance, stakeholder management, and quality leadership. Key Responsibilities Develop, maintain, and execute comprehensive test strategies and...

Cloud & Infrastructure Engineer – Contract £350–£400 per day, outside IR35 – subject to final determination 3-month initial contract, likely extension for a further 3 months London / Farringdon, minimum 2 days per week onsite   Do you have hands-on 3rd-line infrastructure experience across Azure, Microsoft 365, Entra ID, Intune and Windows Server? Do you have strong networking, backup/disaster recovery and PowerShell experience in a production environment?   Join a well-established not-for-profit organisation as a hands-on Cloud & Infrastructure Engineer, providing senior-level technical support across a Microsoft-focused infrastructure environment while contributing to security, cloud migration and infrastructure improvement work.   Working closely with the IT Manager and wider IT team, you will act as the senior technical escalation point above an established service desk function,...

Job title: Azure DevOps Engineer Client: Elite FinTech Firm Determination: Outside of IR35 Salary: Up to £600 P/D Location: London (Hybrid) Sells: Cutting-edge tech, ownership of multiple greenfield projects, no red tape, gold medal Olympiads, exceptional technologists, option to research and develop your own models, a friendly/collaborative environment, beautiful offices.   An Elite Commodities Firm is looking for a highly talented Azure DevOps Engineer to join an elite group of individuals on a contract basis.   This team have an unlimited tech budget, promote a great culture and are made up of fantastic like-minded individuals.   Role: Building out DevOps engineering solutions high performance storage solutions for a mission-critical environment Being a pioneer of DevOps within the team Monitoring infrastructure performance and implementing IAC   Skills: Strong knowledge of...

Cloud & Infrastructure Engineer - Contract £350-£400 per day, outside IR35 - subject to final determination 3-month initial contract, likely extension for a further 3 months London/Farringdon, minimum 2 days per week onsite Do you have hands-on 3rd-line infrastructure experience across Azure, Microsoft 365, Entra ID, Intune and Windows Server? Do you have strong networking, backup/disaster recovery and PowerShell experience in a production environment? Join a well-established not-for-profit organisation as a hands-on Cloud & Infrastructure Engineer,providing senior-level technical support across a Microsoft-focused infrastructure environment while contributing to security, cloud migration and infrastructure improvement work. Working closely with the IT Manager and wider IT team, you will act as the senior technical escalation point above an established service desk function, taking ownership of complex infrastructure issues and helping maintain a...