Latest LLM Engineer Jobs

Senior MLOps Engineer - DSX Enablement

Develop and optimize scalable AI/ML infrastructure solutions on NVIDIA platforms, supporting both internal and external customers. Focus on MLOps pipeline development, distributed training, inference optimization, and deep-stack performance tuning across hardware and software layers. Contribute to open-source tools and collaborate with engineering teams to enhance AI frameworks and cloud integrations.

NVIDIA Germany PLN 292,500 – PLN 650,000 pa

Senior MLOps Engineer - DSX Enablement

This role involves building and deploying custom AI solutions on cloud platforms, with a focus on MLOps pipelines, distributed training, and inference optimization. The engineer will act as a technical advisor for internal and external customers, diagnose full-stack AI/ML system issues, and contribute to open-source tools and reference architectures. Work includes performance profiling, supporting new hardware in frameworks, and collaborating on scalable AI infrastructure.

NVIDIA PLN 292,500 – PLN 650,000 pa

AI Engineer

Design and develop enterprise-scale Generative AI applications using LLMs, RAG, and AI Agents to automate business processes and enhance knowledge retrieval. Build production-grade solutions integrated with enterprise systems using Python, SQL, and REST APIs. Collaborate with technical and business teams in a hybrid working environment across major UK cities.

Adecco Manchester, United Kingdom £500 – £800 pd

Software Engineer - Cyber & Autonomous Systems Team

This role involves working with cutting-edge AI and cybersecurity technologies to evaluate the capabilities of advanced AI models. Responsibilities include building evaluation infrastructure, developing analysis tools, leading testing exercises, and delivering high-quality Python software. The work has a direct impact on shaping government policies and safety standards for AI systems.

AI Security Institute London, United Kingdom

Research Engineer – Human Influence

The Research Engineer role involves designing and building reinforcement learning environments, leveraging interpretability methods to mitigate concerning model behavior, and developing scalable evaluation pipelines. The work is interdisciplinary, combining AI safety, machine learning, and computational social science.

AI Security Institute London, United Kingdom

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

AI Engineer

Build and iterate AI agents and automations using LLMs, agent frameworks, and platforms like AWS Bedrock, Microsoft, and Snowflake. Test frontier AI tools against real enterprise use cases and rapidly prototype solutions with measurable impact. Work cross-functionally across commercial, operations, and compliance teams to identify and validate high-value opportunities in a fast-paced innovation lab.

Fraser & Co. Talent Partners Limited London, United Kingdom £500 – £650 pd

Software Engineer (Safety)

As a Software Engineer in the National Security and AI Safety team, you will build and deploy production-grade machine learning systems, collaborate with cross-functional teams, and ensure the technical feasibility and impact of AI solutions. You will work on high-stakes, high-impact projects, leading technical scoping and architectural decisions, and act as a technical advisor to clients and partners.

Faculty London, United Kingdom

On-site Permanent Clearance Required

Senior AI Engineer

This role involves designing, building, and scaling enterprise-grade AI platforms, transforming AI research into production systems. You'll work on complex AI services, data pipelines, and cloud-native architectures, collaborating with Data Scientists and Software Engineers to productionize ML and NLP models.

Infused Solutions London, United Kingdom £65,000 – £75,000 pa

Hybrid Permanent Flexible

Applied AI Engineer

The role involves designing and building AI systems using LLMs, RAG, and related technologies, while working closely with research and engineering teams. Responsibilities include developing and maintaining high-quality production software, architecting microservice-based systems, and providing technical guidance to junior engineers.

SoCode London, United Kingdom £120,000 – £140,000 pa

Foundation Model Engineer

Design and implement end-to-end LLM training pipelines, fine-tune open-weight models, and optimise for performance, cost, and scalability. Develop evaluation frameworks and data workflows while experimenting with modern AI tooling. Work across the full AI lifecycle in a mission-driven environment focused on responsible AI development.

Pure Resourcing Solutions Cambridge, Cambridgeshire, United Kingdom £90,000 – £110,000 pa

Python AI Engineer

This role involves developing and maintaining production-grade Python services for Generative AI and RAG solutions. Responsibilities include building and integrating LLM workflows, implementing retrieval and evidence processing, and optimizing response quality and performance.

Square One Resources London, United Kingdom £600 – £700 pd

Agentic AI Engineer - Rapid Prototyping

This role involves rapidly building, testing, and improving AI and automation solutions to solve real business problems. You'll work closely with Commercial and Operations teams, creating prototypes using AWS Bedrock and other AI platforms, and iterating based on user feedback.

PCR Digital London, City And County Of the City Of London, United Kingdom £500 pd

Applied AI Engineer

This role involves hands-on engineering to build, improve, and maintain production LLM systems. You'll focus on optimizing cost and latency, designing evaluation frameworks, and solving real production issues. The role offers the opportunity to influence product evolution and work closely with the Product team.

WeDoTech London, United Kingdom £120,000 – £140,000 pa

Senior AI Engineer (Agentic / Applied AI)

This role involves designing, building, and deploying agentic AI systems in a production environment. You will develop AI-driven workflows for decision-making in complex, rules-based systems, integrate LLM-powered systems, and work with large-scale structured datasets. The position offers high ownership and the chance to shape AI applications in critical, data-intensive domains.

Platform Recruitment Dublin, City Of Dublin, Ireland £85,000 – £120,000 pa

On-site Permanent