Latest LLM Engineer Jobs

Spotlight

Programme Manager (Forward Deployed)

Act as a Programme Manager embedded within a client's technology programme, owning delivery while identifying inefficiencies that can be automated using AI. You'll run programme governance, manage risks and dependencies, and prototype AI workflows to solve real delivery bottlenecks. The role blends hands-on client delivery with innovation to scale solutions through the M-1 platform.

M-1 Intelligence London, United Kingdom £60,000 – £75,000 pa

Remote Permanent

Spotlight

Lead AI Researcher

The Lead AI Researcher will lead the development and deployment of cutting-edge deep learning systems for high-stakes defence and national security applications. This founding role involves solving ambiguous, mission-critical problems from concept to production, designing advanced AI models, and establishing engineering standards and tooling for a world-class team. Day-to-day work includes close collaboration with leadership to translate operational needs into technical solutions, training and deploying frontier models, and building robust ML infrastructure in a rigorous, security-conscious environment.

Kangal AI London, United Kingdom £100,000 – £200,000 pa

On-site Permanent

Software Engineer (LLM Engineering), London

This role involves building and scaling LLM-integrated systems to support AI-driven drug discovery. You'll design secure, scalable infrastructure, develop agentic tooling and RAG systems, and collaborate with scientists to translate research needs into technical solutions. The position emphasizes first-principles thinking and innovation in generative AI applied to complex biological data.

Isomorphic Labs London, United Kingdom

MLOps Platform Developer / Full-Stack AI Engineer

This role involves end-to-end ownership of a full-stack engineering platform integrating AI, real-time telemetry, and building management systems. You'll operate and evolve an LLM serving stack with fine-tuning pipelines, maintain a React/TypeScript frontend with offline-first mobile capabilities, and manage large-scale PostgreSQL databases and MQTT-based data ingestion from IoT systems. The position combines MLOps, full-stack development, and domain-specific engineering intelligence in the context of energy transition infrastructure.

Anonymous London, United Kingdom

AI Security Software Engineer (GenAI & LLM Security)

This role involves designing and building secure platforms to protect enterprise Generative AI and Large Language Model (LLM) applications from emerging threats such as prompt injection and adversarial inputs. The engineer will develop automated security testing frameworks, create robust APIs, and contribute to cloud-native, distributed systems operating at scale. Collaboration with global engineering, cybersecurity, and operations teams is central, with an emphasis on shaping secure AI adoption through resilient software design and best practices in AI security and DevSecOps.

83zero London, City And County Of the City Of London, United Kingdom £85,000 – £90,000 pa

Hybrid Permanent

Senior Security Engineer

Design and develop security solutions for Generative AI and LLM-based applications, focusing on protection against adversarial attacks and prompt injection. Build automated security testing frameworks and enhance a GenAI prompt security platform within a scalable enterprise environment. Collaborate across engineering and operations teams to integrate security into AI systems using DevSecOps and MLSecOps practices.

83zero London, City And County Of the City Of London, United Kingdom £80,000 – £110,000 pa

Lead Software Engineer

Lead a product squad in technical decision-making and architectural direction, driving AI-powered feature development using LLMs, RAG, and agent frameworks within a regulated financial services environment. Mentor engineers while delivering production-grade, full-stack systems on AWS with Node.js, Python, and React. Collaborate across platform teams to build reusable, compliant-by-design solutions that integrate cutting-edge AI tooling across the SDLC.

Aveni United Kingdom

Remote Permanent

AI Engineer - Cardiff

This role involves leading the design, development, and deployment of advanced AI solutions to enhance operational efficiency and support business growth. You will collaborate with senior stakeholders, guide technical direction, and mentor a team of engineers while ensuring systems are secure, scalable, and compliant.

Circle Recruitment Cardiff, Cymru / Wales, CF10 2AF, United Kingdom £40,000 – £55,000 pa

Hybrid Permanent

AI Engineer

Design and build generative AI applications, intelligent assistants, and automation solutions using LLMs, RAG, and agentic AI frameworks. Work within a major enterprise AI programme for a global bank, integrating AI services via APIs and cloud platforms while supporting engineering teams in adopting cutting-edge AI technologies. Focus on real-world deployment of copilots and AI-driven workflows.

DCV Technologies London, United Kingdom £600 – £650 pd

Hybrid Contract Clearance Required

AI Engineer

Design and lead the development of production-grade Generative AI and LLM systems, from research through deployment. Focus on scalable, secure AI pipelines and agentic architectures for enterprise clients. Work across the full lifecycle, including data acquisition, model development, and evaluation in a hybrid London-based role with client travel.

Lawrence Harvey London, United Kingdom £60,000 – £95,000 pa

Data Engineer

This role involves designing and building scalable data infrastructure, automating workflows, and optimizing data pipelines using modern cloud technologies. You will work closely with stakeholders to identify opportunities for process improvement and implement data-driven solutions in a fast-paced insurance environment.

Oscar Technology London, United Kingdom £55,000 – £70,000 pa

Hybrid Permanent

AI Engineer - Bruin

Design and build generative AI applications using Python, React, and AWS, with a focus on LLMs, RAG pipelines, and AI agents. Integrate AI capabilities into existing systems and collaborate with technical and business teams to deliver production-grade solutions in a financial services environment.

eFinancialCareers London, United Kingdom

Automation Engineer II, Falcon Complete

Develop and maintain security automation workflows and SOAR playbooks to enhance detection, triage, and response in a managed detection and response (MDR) environment. Integrate AI-powered capabilities, including LLM APIs and AI services, into automated pipelines while collaborating with SOC and engineering teams. Focus on optimizing analyst efficiency through scalable automation, API integrations, and emerging AI technologies in cybersecurity operations.

CrowdStrike

Remote

Automation Engineer II, Falcon Complete

Develop and maintain security automation workflows and SOAR playbooks to enhance detection, triage, and response within a managed detection and response (MDR) environment. Leverage Python and PowerShell scripting, integrate AI-powered workflows, and collaborate with SOC analysts to improve operational efficiency. Work with SIEM data, version control systems, and emerging automation technologies in a remote-first cybersecurity team.

CrowdStrike United Kingdom

Remote Permanent

Senior Specialist Solutions Engineer (AI/ML)

This role involves leading the design of production-grade machine learning and GenAI solutions on the Databricks platform, with a focus on MLOps, RAG architectures, and LLM deployment. The engineer will act as a technical advisor during sales cycles, build MVPs, and support customers in implementing AI workflows. Responsibilities also include creating technical content, mentoring teams, and driving platform adoption through thought leadership and community engagement.

Databricks London, United Kingdom

On-site Permanent

Senior AI Engineer - Agentic & Generative AI

Design and implement production-grade Agentic AI, Generative AI, and RAG systems that power customer-facing SaaS products. Develop autonomous agents with reasoning, planning, and workflow execution capabilities, integrated with multi-agent orchestration and advanced retrieval. Collaborate with platform and engineering teams to deploy scalable AI solutions on Microsoft Azure.

The Portfolio Group Manchester, United Kingdom £80,000 – £100,000 pa

Hybrid Permanent

Senior AI Engineer - Perm UK

Design and build scalable AI data pipelines and cloud-native systems to productionise machine learning and NLP models. Collaborate with data scientists and engineers to transform research into secure, high-performance AI services using modern MLOps practices. Work with cutting-edge technologies including LLMs, vector databases, and retrieval-augmented generation in a remote-first, innovation-driven environment.

Infused Solutions London, United Kingdom £65,000 – £80,000 pa

Remote Permanent