Latest llm Jobs

Data Scientist II, RufusX Science UK

This role involves developing and optimizing large language models (LLMs) to enhance the conversational experiences of Rufus, Amazon's AI-driven shopping assistant. Responsibilities include designing evaluation frameworks, performing data analysis, and collaborating with cross-functional teams to improve customer engagement and satisfaction.

Amazon London, United Kingdom

On-site Permanent

Applied Scientist II, Alexa for Shopping Science UK

This role involves developing and optimizing large and small language models for Alexa's conversational shopping assistant, focusing on improving response quality through instruction design, retrieval augmentation, and agentic architectures. The scientist will build evaluation frameworks, fine-tune models, and collaborate with engineers to deploy scalable AI solutions that enhance customer shopping experiences. Work spans multimodal understanding, personalization, and low-latency inference in a high-impact, data-rich environment.

Amazon London, United Kingdom

Hybrid Permanent

Data Science - Assistant Manager

This role involves leading the technical delivery of data science and machine learning projects, building and optimizing models, and working in cloud and high-performance computing environments. You will also support and mentor a small team while staying current with emerging trends in GenAI and advanced analytics.

eFinancialCareers London, United Kingdom £60,000 – £75,000 pa

Hybrid Permanent Clearance Required

Senior Software Quality Engineer

The Senior Software Quality Engineer will architect and scale automation frameworks, define quality strategy across teams, and drive AI-augmented testing practices. This role involves deep technical mastery, mentoring teams, and championing a culture of continuous improvement in a fast-paced environment focused on delivering high-quality voice assistants.

PolyAI London, United Kingdom

On-site Permanent

Senior Security Engineer (AI Safety), London, Lausanne

This role involves securing AI-driven drug discovery systems by designing risk frameworks, protecting machine learning artifacts, and implementing security controls across AI infrastructure. The engineer will lead incident response for AI-specific threats, enforce compliance with global regulations, and develop safety mechanisms for autonomous agentic workflows and large language models in a high-stakes scientific environment.

Isomorphic Labs United Kingdom

Hybrid Permanent

Principal Agentic Engineer

This role involves architecting and leading the development of a production-grade agentic AI platform that integrates with engineering simulation workflows. The engineer will design secure, observable, and scalable agent systems, enabling domain experts to build and evaluate advanced AI-driven solutions for high-fidelity engineering problems. The position emphasizes robust infrastructure, developer experience, and responsible AI deployment in an enterprise context.

PhysicsX London, United Kingdom

Hybrid Permanent

Senior AI Engineer - Applied

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX London, United Kingdom

Solutions Architect - AI for Drug Discovery

As a Solutions Architect at NVIDIA, you will collaborate with leading pharmaceutical companies and research organizations to accelerate AI-powered drug discovery. Your role involves supporting business development, working directly with developers and customers, implementing production-grade AI deployments, and documenting best practices through trainings and technical demonstrations.

NVIDIA Cambridge, United Kingdom

Hybrid Permanent

Senior Software Engineer, RL Post-Training Frameworks

This role involves designing and building scalable reinforcement learning (RL) post-training infrastructure that supports the full lifecycle of training, inference, and rollout across heterogeneous hardware. You'll optimize distributed systems for performance, fault tolerance, and efficiency, working closely with AI researchers and contributing to open-source frameworks like VeRL, Miles, and TorchTitan. The role emphasizes deep collaboration across teams to advance AI capabilities through systems innovation.

NVIDIA

Remote Permanent

Senior Data Engineer

This role involves designing and building a modern, secure data platform from the ground up using Azure Databricks and Delta Lake, establishing robust ELT pipelines, and maturing Power BI architecture to enable self-service analytics. The engineer will embed DataSecOps and CI/CD practices, implement governance and security controls, and mentor junior team members. Working within a not-for-profit housing association, the role directly supports community-focused service improvements through data.

HAYS Specialist Recruitment Bridgend, United Kingdom £60,000 – £63,500 pa

Hybrid Permanent

Member of Technical Staff, Multilingual

As a Member of Technical Staff on the Multilingual team, you will lead the design and implementation of scalable solutions to improve multilingual language model performance. You'll contribute to cutting-edge research, publish findings, and mentor junior team members, making a global impact in natural language processing.

Cohere London, United Kingdom

Remote Permanent

Sub Team Lead - Red Team (Control)

As a Sub Team Lead in the Control Red Team, you will lead the development and evaluation of AI control measures, working closely with frontier AI companies and government officials. Your role involves shaping the team's strategy, mentoring researchers, and collaborating with international partners to ensure AI systems are reliable and aligned with human values.

AI Security Institute London, United Kingdom £105,000 – £145,000 pa

On-site Permanent Clearance Required

AI Safety Research Scientist

This role involves leading the research and development of trustworthy AI systems, focusing on safety, robustness, and efficiency. You will contribute to the company's online safety roadmap, design and evaluate solution architectures, and collaborate with a team to advance state-of-the-art AI technologies, particularly in generative AI and agentic systems.

MicroTech Consulting Helsinki, United Kingdom €82,612 – €86,960 pa

On-site Permanent

Data Scientist

This role involves developing advanced data science solutions using Bayesian inference, probabilistic modelling, and machine learning to solve complex scientific and industrial challenges. You'll work on proprietary tools and cutting-edge research, contributing to both client projects and core technology development in a hybrid environment. Collaboration with academic partners and participation in technical workshops are key aspects of the role.

JobHeron London, United Kingdom £54,000 – £58,000 pa

Hybrid Permanent

Machine Learning Engineer 1

This role involves developing and maintaining machine learning systems within a privacy-preserving AI ecosystem for the insurance sector. The engineer will translate research into production-grade solutions, focusing on secure deployment, data anonymisation, and compliance with regulatory standards. Collaboration with internal teams and external partners is key, particularly in integrating AI components into sovereign infrastructure and operational workflows.

Aioi Nissay Dowa Europe Oxford, Oxfordshire, United Kingdom £69,350 – £83,386 pa

Hybrid Permanent