51 to 75 of 374 AI Agents Jobs in the UK

About Cleo Most people come to Cleo to do work that matters. Every day, we empower people to build a life beyond their next paycheck, building a beloved AI that enables you to forge your own path toward financial well-being. Backed by Tier 1 investors, we’ve reached millions of people to support them throughout their financial … some examples, big and small, of the kinds of product feature work our ML Engineers have taken part in over the last year: Designed and implemented AI agents to analyse and extract insights from users’ transactional data. Developed models to interpret transactional data, enhancing the understanding of users’ finances. Created contextual intent classifiers to understand user conversations More ❯

applications in enterprise environments, following established SDLC standards. Build AI Agents - Create task-based, domain-specific, and orchestrator agents using modern multi-agent frameworks. Agentic AI Systems - Design and build core components of agentic AI systems, including memory, guardrails, orchestration, trace management, and tool marketplaces. System Integration - Integrate AI and … scalable data pipelines and infrastructure supporting AI apps and agents. Evals - Monitor and evaluate the performance of AI apps, agents, and the overall agentic AI system. Stakeholder Collaboration - Work closely with cross-functional teams, including project managers, platform engineers, data engineers, solution engineers, data scientists, and business stakeholders to define, design, and implement … Storage Accounts, App Insights, Key Vault, etc. GenAI Application Development - Experience in building GenAI applications with RAG, prompt/context engineering, embeddings, chat completions, and calling LLM APIs. Agentic AI Expertise - Strong understanding of agentic AI architecture, including LLMs, MCP, agent hierarchies, orchestration, evaluations, memory and trace setup. Languages - Proficiency in Python, SQL, ReAct (reasoning and More ❯

Description Highly skilled and innovation-focused Generative & Agentic AI Engineer to join our AI engineering team. This role is central to designing, developing, and iterating on fast-paced prototypes that explore the latest in LLMs, autonomous agents, semantic search, and reasoning workflows. The ideal candidate is proficient in Python, experienced in building multi-step intelligent … long-term memory, RAG pipelines, vector databases, and more. Key Responsibilities: Rapidly build and iterate on LLM- and agent-based prototypes for various use cases (chatbots, copilots, A2A task agents, etc.). Implement agentic workflows, multi-step reasoning pipelines, and memory management using frameworks such as LangChain, LangGraph, LangFlow, CrewAI, Autogen etc. Engineer and tune prompts to enhance performance … for model orchestration and deployment. Build and integrate UI prototypes using tools like Streamlit, Gradio, or React for demoable outputs. Develop robust API integrations to connect AI agents with internal and external services and data sources. Use SQL to query structured databases and integrate with RAG or knowledge ingestion pipelines. Preferred (Nice-to-Have): Experience with agent More ❯

The company We are a rapidly growing startup developing solutions that blend human expertise and AI agents to handle manual customer and marketplace operations tasks. Our unique approach combines the strengths of human expertise (high accuracy and nuanced decision-making) with the advantages of AI automation (speed and cost efficiency). This cutting-edge technology … from you if: Have strong Python and engineering skills, with experience using and applying AI to solve customer problems Can (or want to learn to) develop agentic AI systems that can automate human processes Have an understanding of (or want to learn) how software is deployed through Kubernetes, and with the capability to deploy some infrastructure … It would be even better, but not essential, if you have: Experience working in a fully remote, international team Previous startup experience A background in building and operating agentic AI systems Experience with MLOps practices and tools, and monitoring machine learning systems in production Knowledge of CI/CD practices and tools such as GitLab CI, Argo CD More ❯

What is Marker? Marker is an AI-native Word Processor - a reimagining of Google Docs and Microsoft Word. Join us in building the next generation of agentic AI assistants supporting serious writers in their work. We are a small, ambitious company using cutting-edge technology to give everybody writing superpowers. What you'll do at Marker … We are looking for an experienced engineer with interest in building and managing agentic AI systems. Here are some examples of areas you will be working in: Develop our bespoke agentic assistant execution platform (TypeScript) Build and integrate systems for retrieval, search, observability, multi-modal generation, and more Maintain model evaluation suites to optimise for quality, cost and … writing (fiction, non-fiction, essays) However, you are NOT expected to: Be an expert in AI, NLP, or Machine Learning Have solved every possible problem with agentic AI systems before - it's a new and rapidly evolving field, and we are discovering and solving novel problems every day Be experienced with every library and product in More ❯

AI Solutions Engineer Northern Ireland (Hybrid working model) Circa £65K + Benefits (pension, health and flexible benefits) Do you have experience of AI and DevOps? This is an exciting AI Solutions Engineer opportunity. You will be working with a team of Data Scientists to be the driving force … of pioneering AI initiatives. In this role, you will innovate and deploy leading-edge solutions on platforms including MS Azure and AWS, working on knowledge assistants and agents, leveraging the OpenAI and anthropic models, and contributing to proof-of-concept projects. You will work on robust AI applications, ensuring seamless integration with CI/CD … challenges and spearhead how integrating AI capabilities can help lead to successful solutions. Designing and implementing cloud-based solutions, with a focus on deploying AI agents and knowledge bots within the AWS and Microsoft technology stack. Delivering robust software engineering solutions that meet business requirements and enhance system performance. Display strong stakeholder management and influence More ❯

convergence between brick-and-mortar and online payments. Further information is available at It starts here. Have a global impact on the world of payments. Are you an AI visionary with a … passion for shaping the future of Generative AI ? We're seeking a Senior Director, Gen AI to lead the development of advanced AI agents, leveraging LLMs, reinforcement learning, vector databases, and autonomous systems . As a key AI strategy leader , you'll define the next-generation consumer experiences , enabling real-time … St Paul's, Bank, Cannon Street, City Thameslink, Liverpool Street, Farringdon, Mansion House. The impact you will have: AI Agent Development: Design and optimize AI agents capable of autonomous learning, decision-making, and task execution. LLM Fine-Tuning & Enhancement: Adapt foundational models like GPT, Llama, integrating retrieval-augmented generation (RAG), personalization, and continuous improvement loops. More ❯

between brick-and-mortar and online payments. Further information is available at . It starts here. Have a global impact on the world of payments. Are you an AI visionary with a … passion for shaping the future of Generative AI ? We're seeking a Senior Director, Gen AI to lead the development of advanced AI agents, leveraging LLMs, reinforcement learning, vector databases, and autonomous systems . As a key AI strategy leader , you'll define the next-generation consumer experiences , enabling real-time … St Paul's, Bank, Cannon Street, City Thameslink, Liverpool Street, Farringdon, Mansion House. The impact you will have: AI Agent Development: Design and optimize AI agents capable of autonomous learning, decision-making, and task execution. LLM Fine-Tuning & Enhancement: Adapt foundational models like GPT, Llama, integrating retrieval-augmented generation (RAG), personalization, and continuous improvement loops. More ❯

between brick-and-mortar and online payments. Further information is available at . It starts here. Have a global impact on the world of payments. Are you an AI visionary with a … passion for shaping the future of Generative AI ? We’re seeking a Senior Director, Gen AI to lead the development of advanced AI agents, leveraging LLMs, reinforcement learning, vector databases, and autonomous systems . As a key AI strategy leader , you’ll define the next-generation consumer experiences , enabling real-time … St Paul’s, Bank, Cannon Street, City Thameslink, Liverpool Street, Farringdon, Mansion House. The impact you will have: AI Agent Development: Design and optimize AI agents capable of autonomous learning, decision-making, and task execution. LLM Fine-Tuning & Enhancement: Adapt foundational models like GPT, Llama, integrating retrieval-augmented generation (RAG), personalization, and continuous improvement loops. More ❯

brick-and-mortar and online payments. Further information is available at www.paysafe.com . It starts here. Have a global impact on the world of payments. Are you an AI visionary with a … passion for shaping the future of Generative AI ? We’re seeking a Senior Director, Gen AI to lead the development of advanced AI agents, leveraging LLMs, reinforcement learning, vector databases, and autonomous systems . As a key AI strategy leader , you’ll define the next-generation consumer experiences , enabling real-time … St Paul’s, Bank, Cannon Street, City Thameslink, Liverpool Street, Farringdon, Mansion House. The impact you will have: AI Agent Development: Design and optimize AI agents capable of autonomous learning, decision-making, and task execution. LLM Fine-Tuning & Enhancement: Adapt foundational models like GPT, Llama, integrating retrieval-augmented generation (RAG), personalization, and continuous improvement loops. More ❯

DEPT/AI has a single mission: to make the best work in the industry using AI to enhance everything we do. This role sits within our EMEA Data & AI practice, which has deep expertise in leveraging AI. The team includes data strategists, consultants, data scientists and analysts that work alongside DEPT teams around … challenging problems facing some of the best loved brands in the world - and doing this alongside an experienced team. JOB PURPOSE We are seeking a talented and passionate AI Workflow Engineer to join our growing Data Science & AI team. As an AI Workflow Engineer, you will be responsible for building innovative proof-of-concepts … to convert them into production ready solutions that make media and marketing teams more efficient and effective in their internal workflows. You will bridge the gap between technical AI capabilities and practical business applications, using bespoke coding and modern low-code/no-code automation platforms in an ever changing marketing landscape. KEY RESPONSIBILITIES Design and build intelligent More ❯

Full Stack Software Engineer (LLMs, Full-Stack, TypeScript/Python) Remote (UK-based) | £60,000–£90,000 + Equity Join a fast-growing, VC backed AI startup (Series A, £20M raised) as it builds a brand-new, high-impact engineering team. With strong early revenue and commercial traction, we’re creating a dedicated Team for the business. An … products. We’re now looking for a Full Stack Engineer who’s excited to move fast, build ambitiously, and help shape the future of AI agents in the real world. What You’ll Do Build Across the Stack Develop and ship features using TypeScript, React, Next.js, and Python. You'll bring new ideas to life … What We’re Looking For 3+ years of experience in full-stack engineering Proficiency with TypeScript, React, Next.js, and Python Experience (or strong interest) in LLMs, AI agents, or NLP Side projects, open-source contributions, or personal AI experiments are a big plus Startup experience or comfort in fast-paced environments A passion for building More ❯

About us At Sierra, we're building a platform to enable every company in the world to build their own autonomous AI agents for everything from customer service to commerce. We are primarily an in-person company based in San Francisco, with growing offices in Atlanta and London. We are guided by a set of values that … Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace. What you'll do Design and deliver production-grade AI agents : You'll build and ship highly performant, reliable, and intuitive AI agents that are central, mission-critical and drive revenue directly to Sierra's growth. These … Cycle (ADLC) : You'll have complete ownership and autonomy from initial pilot through deployment and continuous iteration. You'll be responsible for building, tuning, and evolving AI agents in production environments, defining the standard for ADLC best practices along the way. Partner with large enterprises and cutting-edge startups: You'll work directly with leaders at some More ❯

Who We Are Ema is building the next generation AI technology to empower every employee in the enterprise to be their most creative and productive. Our proprietary tech allows enterprises to delegate most repetitive tasks to Ema, the AI employee. We are founded by ex-Google, Coinbase, Okta executives and serial entrepreneurs. We've raised capital … in Silicon Valley and Bangalore, India. Who You Are Ema is hiring a Partner Manager to lead strategic GTM partnerships with SIs, VARs, Consulting firms, Cloud platforms, and AI ecosystem players. You will be instrumental in building and scaling a partner-led growth channel. We're looking for a seasoned professional with experience in developing strategic partnerships, enabling … Excellent negotiation, relationship management, and stakeholder communication skills. Strategic thinker with an ability to move fast and execute in a startup environment. Ideally, You'd Have Familiarity with agentic AI, RPA, enterprise workflow automation, or LLM-based platforms. Experience working with cloud hyperscalers (AWS, Azure, GCP) or consulting/SI ecosystems. Prior exposure to RevOps tools like Hubspot More ❯

Madrid. With our focus on growth in the UK and Europe, now is the perfect time to join us on this high-speed journey. Introducing Machine Learning and AI at Trainline Machine learning is at the heart of … Trainline's mission to help millions of people make sustainable travel choices every day. Our AI systems power critical aspects of our platform, including: AI agents improving customer support and changing how we travel Advanced search and recommendations capabilities across our mobile and web applications Pricing and routing optimisations to find the best fares for … customers Personalised user experiences enhanced by generative AI Data-driven digital marketing systems Our machine learning teams own the complete delivery lifecycle from ideation to production. We work closely with stakeholders across the business to expand the understanding and impact of machine learning and AI throughout Trainline. We are looking for a Machine Learning Engineer to More ❯

Madrid. With our focus on growth in the UK and Europe, now is the perfect time to join us on this high-speed journey. Introducing Machine Learning and AI at Trainline Machine learning is at the heart of … Trainline's mission to help millions of people make sustainable travel choices every day. Our AI systems power critical aspects of our platform, including: AI agents improving customer support and changing how we travel Advanced search and recommendations capabilities across our mobile and web applications Pricing and routing optimisations to find the best fares for … customers Personalised user experiences enhanced by generative AI Data-driven digital marketing systems Our machine learning teams own the complete delivery lifecycle from ideation to production. We work closely with stakeholders across the business to expand the understanding and impact of machine learning and AI throughout Trainline. We are looking for a Machine Learning Engineer to More ❯

Madrid. With our focus on growth in the UK and Europe, now is the perfect time to join us on this high-speed journey. Introducing Machine Learning and AI at Trainline Machine learning is at the heart of … Trainline's mission to help millions of people make sustainable travel choices every day. Our AI systems power critical aspects of our platform, including: AI agents improving customer support and changing how we travel Advanced search and recommendations capabilities across our mobile and web applications Pricing and routing optimisations to find the best fares for … customers Personalised user experiences enhanced by generative AI Data-driven digital marketing systems Our machine learning teams own the complete delivery lifecycle from ideation to production. We work closely with stakeholders across the business to expand the understanding and impact of machine learning and AI throughout Trainline. We are looking for a Machine Learning Engineer to More ❯

our long-term ML strategy. You’ll influence the development of Monzo’s ML capabilities across diverse areas, from automating support experiences to optimizing operational efficiency, and pioneering AI-driven products that improve customer outcomes. Beyond technical execution, you will mentor and guide the next generation of ML talent at Monzo, elevating the standard of ML expertise across … architectural patterns for ML across the organization. Collaborate with Engineering, Product, and Leadership teams to integrate ML-driven solutions into core business processes. Advocate for and implement responsible AI practices, ensuring fairness, robustness, and transparency in our models. Mentor and coach ML practitioners at all levels, fostering a culture of continuous learning and innovation. Engage with the broader … Kingdom 2 weeks ago London, England, United Kingdom 1 week ago London, England, United Kingdom 1 week ago Data Scientist – NLP, LLMs, & Prompt Engineering Register Your Interest – (Senior) Agentic AI Research Scientist London, England, United Kingdom 2 weeks ago Senior Software Engineer - Machine Learning Lond More ❯

our long-term ML strategy. You’ll influence the development of Monzo’s ML capabilities across diverse areas, from automating support experiences to optimizing operational efficiency, and pioneering AI-driven products that improve customer outcomes. Beyond technical execution, you will mentor and guide the next generation of ML talent at Monzo, elevating the standard of ML expertise across … architectural patterns for ML across the organization. Collaborate with Engineering, Product, and Leadership teams to integrate ML-driven solutions into core business processes. Advocate for and implement responsible AI practices, ensuring fairness, robustness, and transparency in our models. Mentor and coach ML practitioners at all levels, fostering a culture of continuous learning and innovation. Engage with the broader … Kingdom 2 weeks ago London, England, United Kingdom 1 week ago London, England, United Kingdom 1 week ago Data Scientist – NLP, LLMs, & Prompt Engineering Register Your Interest – (Senior) Agentic AI Research Scientist London, England, United Kingdom 2 weeks ago Senior Software Engineer - Machine Learning Lond More ❯

About Lorikeet Lorikeet is the most powerful customer support AI for complex businesses like fintechs, healthtechs, marketplaces and delivery services. We're doing this by building ground up from the premise that most support responses should be automated with transparent, customizable AI, and that support teams should spend their time managing automation and engaging with complex … teams are freed from reactive support, we want to help them tackle what's next: providing personalized concierge services to their customers. To deliver this combination of powerful AI systems and well designed tooling we're leveraging Jamie's experience as an early member of Google's generative AI team and Steve's experience building for … same monthly updates we send to our investors because they're investors and owners too. On the technical cutting edge. With our users we're defining what an AI-first SaaS product looks like. No one has figured out what the UI/UX, capabilites and data models of an AI first company are - it's More ❯

are we building? Great people are working on overdrive to do a great job, but are held back because their inbox is failing them. We're building an AI Productivity tool that eliminates the admin burden for people who work client facing roles. Think real estate, consultants, recruiters - people who spend hours on emails, scheduling, and follow ups. … Fyxer AI simplifies these tasks by organizing your inbox, drafting replies in your own voice, and taking crisp meeting notes. The best part? Unlike a lot of other AI tools, ours actually gets used. We've built the product so it requires little set up & nothing extra for users to learn. It works directly inside Outlook … million in revenue-backed by top-tier investors including Marc Benioff (CEO of Salesforce) and 20VC. We spent Q4 2024 in San Francisco at HF0, the best AI startup accelerator in the world, learning from experts like the CEO of Instacart, Head of Applied Research at OpenAI and the Co-founder of Snowflake. We're now at the More ❯

Why SalesApe? Join SalesApe, one of the fastest-growing AI companies, recognised as a leader in cutting-edge AI technology and backed by over $20 million from top VCs. We're at the dawn of a powerful evolution, set to transform society with our tech. Our mission? To tackle inequality by empowering a huge market of … businesses, think construction, automotive, real estate, and more. While the tech industry has compounded its growth with computing power, these businesses have been technically starved. With AI agents and our natural language interface technology, we're unlocking huge productivity gains for our clients. It's deeply rewarding to see firsthand the transformation in small businesses as they … have been like co-pilots for us, quietly amplifying our productivity and enabling us to grow faster than ever before. But 95% of businesses-builders, plumbers, and real estate agents-have been technically starved. These businesses make up 50% of GDP, five times larger than the entire tech industry, but they've never had access to the tools they More ❯

Lead AI Engineer Intelligent Agents (Audio Focus) Are you ready to shape the next frontier of AI-powered audio experiences? Our client is launching an AI Studio to transform how we deliver curated music and intelligent audio services to businesses across the globe. We're looking for a forward-thinking Lead AI Engineer to lead the development of intelligent agents that supercharge our music curation, content ingestion, and customer service capabilities. This is your chance to combine cutting-edge AI innovation with the creativity of commercial audio - creating tools that augment human expertise, not replace it. What Youll Do AI Agent Development Design and build … AI agents using Python and frameworks like OpenAI Agents SDK, LangChain, AutoGen, and Google ADK Create multi-agent orchestration systems for complex workflows (e.g., music curation, content analysis, scheduling) Integrate multimodal AI models, including voice synthesis and music understanding Audio Technology Integration Work with libraries such as LibROSA and PyDub to enable audio analysis More ❯

through advanced analytics, cutting-edge technology, and deep scientific expertise. Within our Research & Development Solutions (RDS) organization, we are enhancing our services with agentic systems-autonomous AI agents that can reason, plan, act, and learn-to further streamline clinical trial workflows and accelerate the delivery of new therapies. By embedding these capabilities into our service offerings for …/ML solutions that transform how pharmaceutical companies operate and innovate. You will work at the forefront of machine learning, leading initiatives that leverage large language models (LLMs), agentic AI, and advanced optimization techniques to deliver real-world impact. Role Summary: IQVIA's AI Scientist Group is a strategic innovation unit that delivers tailored, state-of … life sciences. Drive data engineering processes to convert structured and unstructured data into high-quality, trainable datasets. Design and implement AI agents using IQVIA's Agentic AI framework to enable autonomous reasoning and task completion. Spearhead the development of proof-of-concept models and guide transition to production-ready systems. Stay at the forefront of More ❯

Role: AI Engineer Location: Edinburgh (Hybrid: 3 days in-office, 2 remote) Mission: Join us in redefining how legal teams work by building state-of-the-art AI-native experiences powered by Large Language Models. As a Senior AI Engineer, you'll work across backend systems, evaluation frameworks, and agentic LLM workflows to create … scalable, secure, and continuously improving AI features. You'll partner closely with design, product, and legal teams to bring thoughtful, high-impact functionality to life. Key Responsibilities: Build and maintain core backend systems and APIs powering LLM-driven features Design and implement evaluation pipelines to assess and optimize model performance Prototype and productionize agentic workflows that leverage tool … and integrate insights into the dev lifecycle Support semantic search, data extraction, and document analysis use cases Collaborate with legal engineers and product to build secure and compliant AI systems Contribute to architectural decisions, internal tooling, and team best practices Experience & Qualifications: 4+ years of backend or AI-focused engineering experience Hands-on experience working with More ❯