Latest Machine Learning Engineer Jobs

Principal Machine Learning Engineer

This role involves leading the technical direction of complex AI systems, particularly within financial services, by designing scalable machine learning architectures and providing expert guidance across projects. The Principal Machine Learning Engineer will solve cross-cutting technical challenges, influence company-wide strategy, and ensure robust, innovative solutions are delivered. Emphasis is placed on architectural leadership, hands-on system design, and translating advanced data science into real-world impact.

Faculty AI London, United Kingdom

Hybrid Permanent

Principal Machine Learning Engineer

This role involves deploying and scaling machine learning models for high-fidelity engineering simulations, working directly with customers to integrate AI into production environments. The Principal ML Engineer will lead technical architecture, build robust data and inference pipelines using Python, PyTorch, and Kubeflow, and mentor teams across global customer sites. The position bridges advanced physics-based challenges with practical AI solutions in industries like aerospace, energy, and semiconductors.

PhysicsX United Kingdom

Hybrid Permanent

Lead Machine Learning Engineer - Retail

Lead Machine Learning Engineer to define technical direction for AI projects in retail, designing scalable ML systems and mentoring engineering teams. Focus on innovation, architectural integrity, and delivery of reusable solutions across high-impact client engagements.

Faculty London, United Kingdom

On-site Permanent

Embedded Machine Learning Engineer

Develop and deploy machine learning models for real-time sensor classification on embedded devices operating in constrained, real-world environments. Work across the full lifecycle—from raw sensor data to on-device inference—optimising for memory, power, and reliability. Collaborate with firmware and hardware teams to bridge data science and embedded systems engineering in a cutting-edge edge AI environment.

KO2 Embedded Recruitment Solutions Roxburgh's Court, Edinburgh, United Kingdom £60,000 – £70,000 pa

Senior Machine Learning Engineer

A Senior Machine Learning Engineer will lead the deployment of AI models into production environments for engineering and physics simulations, working closely with customers and cross-functional teams. The role involves building scalable ML pipelines, mentoring engineers, and traveling to client sites globally. The position operates at the intersection of data science and software engineering, focusing on real-world impact in advanced industries.

PhysicsX London, United Kingdom

Senior Machine Learning Engineer

Design and implement high-performance machine learning models using C++, CUDA, and PyTorch, with a focus on GPU acceleration and advanced AI applications. Work on cutting-edge research involving Transformers and computer vision to deliver real-world AI solutions. Collaborate within a skilled technical team on innovative projects in a hybrid London-based role.

Hexwired Recruitment Limited London, United Kingdom £60 – £80 ph

Hybrid Contract

Principal Machine Learning Engineer

A Principal Machine Learning Engineer will lead technical innovation in speech AI by developing and deploying advanced machine learning models, translating research into scalable production systems. The role involves mentoring engineers, shaping long-term ML strategy, and solving complex modelling challenges across the organisation. Work spans distributed training, inference optimisation, and MLOps best practices within a hybrid working environment.

Speechmatics Cambridge, United Kingdom

Principal Machine Learning Engineer

Lead the development and deployment of advanced speech recognition models, bridging research and production. Drive technical vision, mentor engineering teams, and optimise large-scale ML systems for accuracy, speed, and scalability. Work across the full ML lifecycle with a focus on transformers, distributed training, and MLOps best practices.

Speechmatics London, United Kingdom

Hybrid Permanent

Senior Machine Learning Engineer

Senior Machine Learning Engineer | Cambridge / Hybrid | £80,000–£120,000 + BonusJoin a fast-growing FinTech/InsurTech company in Cambridge that is transforming how financial and insurance products are built using machine learning and data-driven decision-making.Their platform leverages advanced ML models to...

Platform Recruitment Cambridge, United Kingdom

Machine Learning Fellow - Human Frontier Collective (UK)

This role involves collaborating on high-impact machine learning projects, evaluating and optimizing PyTorch models, and contributing to AI research publications. Fellows work remotely on flexible schedules, engaging with cutting-edge generative AI systems and interdisciplinary experts. The position emphasizes research, model interpretation, and advancing responsible, human-centered AI through technical evaluation and publication.

Scale AI United Kingdom

Remote Contract Flexible

Staff Tech Lead Manager, Machine Learning, Vision Models

Lead a team building offline scene understanding models to evaluate and improve Wayve's autonomous driving systems. Develop robust, scalable models that leverage high-compute environments to generate counterfactual insights, assess driver behaviour, and inform model development. Work across UK and US teams to unify technical direction and accelerate the AV development loop through rigorous ML engineering and cross-functional collaboration.

Wayve London, United Kingdom

Senior AI/ML Engineer

This role involves designing, building, and deploying AI-driven systems using state-of-the-art large language models and agent-based systems. You will work closely with cross-functional teams to translate complex problems into scalable AI solutions, optimize system performance, and contribute to the overall AI strategy. The company is at the forefront of applied AI, focusing on automating manual workflows and enhancing decision-making processes.

Platform Recruitment London, United Kingdom £90,000 – £120,000 pa

Hybrid Permanent Flexible

Senior Security Engineer (AI Safety), London, Lausanne

This role involves securing AI-first drug discovery platforms by designing risk frameworks, protecting ML model artifacts, and implementing security controls across distributed training and inference systems. The engineer will lead AI-specific incident response, develop guardrails for LLMs and autonomous agents, and ensure compliance with global regulations like the EU AI Act. Close collaboration with ML researchers and platform teams is essential to embed security into the full AI lifecycle while advancing AI safety standards.

Isomorphic Labs United Kingdom

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

Senior AI Engineer - Perm - London

This role involves designing and building scalable AI data pipelines and cloud-native microservices, with a focus on productionising machine learning, NLP, and generative AI models. The engineer will collaborate closely with data scientists and software engineers to transform research into robust, cloud-based systems using modern MLOps practices. Emphasis is placed on technical leadership, mentoring, and shaping engineering standards within a global AI team.

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