Latest ML Engineer Jobs

Lead Site Reliability Engineer (AI/ML)

Lead the end-to-end deployment and operationalization of AI/ML models, ensuring scalability, reliability, and alignment with business goals. Establish monitoring frameworks, drive MLOps best practices, and lead incident response for AI systems. Collaborate across engineering, product, and compliance teams to ensure ethical, secure, and high-performing AI deployments.

Mastercard Swords, Fingal, Ireland

Lead Site Reliability Engineer (AI/ML)

Lead the end-to-end deployment and operationalization of AI/ML models, ensuring scalability, reliability, and alignment with business objectives. Establish monitoring frameworks, drive MLOps best practices, and lead incident response for AI systems in production. Collaborate across engineering, risk, and compliance teams to ensure ethical, secure, and compliant AI deployments.

Mastercard Maynooth, Kildare County, Ireland

Software Engineer, Enterprise

Design and scale backend systems for enterprise GenAI products, focusing on reliability, performance, and deployment across hybrid and multi-cloud environments. Build core services and APIs that securely integrate AI models with enterprise data sources. Architect distributed systems for data processing, inference, and orchestration of large-scale AI workloads.

Scale AI London, United Kingdom

On-site Permanent

Research Engineer, RL Scaling Science

This role involves designing and running large-scale reinforcement learning experiments to understand scaling effects across model size, compute, and task horizon. The engineer will build benchmarks for long-horizon RL, debug system-level issues that emerge at scale, and translate validated research findings directly into production training pipelines. The position sits at the intersection of research and systems engineering, requiring deep empirical rigor and close collaboration with both research and infrastructure teams.

Anthropic London, United Kingdom £375,000 – £640,000 pa

Data Engineer

The Data Engineer will design and build a modern, cloud-first data platform from the ground up, migrating away from legacy on-premise systems. This role involves creating scalable data pipelines, modernising T-SQL workflows into cloud environments, and establishing engineering best practices like CI/CD and automated testing. The engineer will also prepare data infrastructure for AI/ML initiatives and work closely with analytics teams to enable advanced Power BI modelling and future acquisitions.

Liquidline Ipswich, United Kingdom

Hybrid Permanent

Security Engineering Manager, London or Lausanne

Lead and scale a security engineering team at the forefront of AI-driven drug discovery, designing and implementing a robust, AI-first security architecture. Translate complex scientific and business objectives into secure, automated systems while enabling high-velocity research in a regulated, cloud-native environment. Collaborate closely with ML researchers, medical teams, and Google/Alphabet partners to secure cutting-edge digital biology platforms.

Isomorphic Labs United Kingdom

Hybrid Permanent

Senior Software Engineer, Chem-Bio

Design and build core platform systems to support technical research on AI-related chemical and biological risks, translating ambiguous research needs into scalable, maintainable software solutions. Work within a multidisciplinary team to develop LLM-based agent systems, evaluation frameworks, and shared infrastructure while mentoring engineers and shaping technical direction. Operate in a high-impact environment with direct influence on AI policy and global governance.

AI Security Institute London, United Kingdom

On-site Permanent Clearance Required

Lead Software Engineer

Lead the technical direction of AI and machine learning projects, designing production-grade systems and guiding engineering teams across the full project lifecycle. Focus on delivering robust, scalable solutions for clients in energy, sustainability, and infrastructure sectors. Drive innovation through reusable tools, architectural leadership, and mentoring across multidisciplinary teams.

Faculty AI London, United Kingdom

Hybrid Permanent

Machine Learning Engineer

Develop and deploy production-grade machine learning systems for high-impact clients, particularly in the defence sector. Work across the full ML lifecycle, from scalable architecture design to operationalisation, using cloud platforms and containerisation tools. Collaborate with cross-functional teams to deliver ethical, reliable AI solutions in real-world environments.

Faculty AI London, United Kingdom

Hybrid Permanent Flexible Clearance Required

Machine Learning Engineer

A Machine Learning Engineer will collaborate with simulation engineers, data scientists, and customers to solve complex physics and engineering challenges using AI. The role involves building scalable, reliable ML data pipelines, working with 3D point-cloud and mesh data, and translating R&D into reusable tools and products. Frequent customer site visits across multiple continents are expected to support on-site solution development and deployment.

PhysicsX England US$150,000 – US$190,000 pa

On-site Permanent Clearance Required

AI Test Engineer (SC Cleared)

This role involves leading end-to-end testing strategies for AI and data-driven systems in a regulated enterprise environment, with a focus on validating AI models, including Generative AI and RAG solutions. The engineer will embed test automation within CI/CD pipelines, work across cloud-based services and APIs, and mentor teams in modern testing practices such as TDD and BDD. The position requires hands-on technical work alongside strategic oversight of quality assurance across digital platforms.

Adecco London, City And County Of the City Of London, United Kingdom £600 – £650 pd

Engineering Manager - Data Platform , GBR)

Lead and build a new Data Replay & Recovery team to develop a self-service application for business continuity and platform resiliency within a high-scale security data lake. Design and operate large-scale data pipelines processing petabytes of data, enabling reliable data access for analytics, ML, and threat detection across the Falcon platform. Collaborate with Data Platform, ML, and DevOps teams in a distributed environment using modern big data technologies.

CrowdStrike London, United Kingdom

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

Senior Research Engineer - Data

This role focuses on building and enhancing large-scale data pipelines for generative AI models, working with vast amounts of video and audio data to improve model performance through data quality, curation, and feature extraction. The position bridges applied research, data engineering, and ML infrastructure, collaborating closely with model training teams to deliver high-impact datasets. It emphasizes ownership in shaping data strategy and infrastructure within a fast-moving AI research environment.

Synthesia London, United Kingdom

Remote Permanent

Senior Research Engineer - Interactive Avatars

Develop and advance AI-driven interactive avatars using diffusion models, focusing on real-time video generation, audio conditioning, and contextual responsiveness. Work within a research-forward team to translate cutting-edge generative AI into scalable product features. Responsibilities include improving lip-sync accuracy, motion realism, and building evaluation frameworks for long-form interactive video.

Synthesia London, United Kingdom

Remote Permanent