Latest machine learning engineer Jobs

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Senior Machine Learning Engineer, AI Performance

This role involves taking machine learning models from training to production deployment, focusing on optimising model performance under strict runtime constraints such as latency, memory, and power. The engineer will apply techniques like quantisation and distillation, work closely with performance and inference teams, and ensure models meet on-vehicle deployment requirements. The position emphasizes hands-on iteration in PyTorch and cross-functional collaboration in a high-ownership environment.

Wayve 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

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Staff Machine Learning Engineer - Ops

This role focuses on ensuring the quality and reliability of machine learning models throughout Wayve’s development lifecycle. The engineer will define and enforce release standards across complex training phases, improve ML delivery pipelines, and collaborate with platform, CI/CD, and evaluation teams to enhance automation, observability, and evaluation methodology. The position plays a critical role in maintaining model integrity and safety for embodied AI in autonomous vehicles.

Wayve London, United Kingdom

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

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

This role involves designing, building, and deploying machine learning models into production environments, with a focus on MLOps workflows, API development, and DevOps best practices. You will work closely with data scientists and engineers to deliver robust, scalable solutions that drive commercial outcomes.

Harnham - Data and Analytics Recruitment London, United Kingdom £90,000 – £110,000 pa

Hybrid Permanent

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

Machine Le arning Engineer

This role involves building and deploying production-grade machine learning systems for high-impact clients in national security and AI safety. The engineer will lead technical architecture decisions, operationalise models using frameworks like TensorFlow and PyTorch, and develop scalable ML infrastructure. Collaboration with cross-functional teams and direct client engagement are key, with a focus on translating complex AI concepts into real-world solutions.

Faculty London, United Kingdom

Hybrid Permanent

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

Senior AI Engineer

This role involves designing and building multimodal AI systems that process text, audio, and video data to enhance customer experience across multiple channels. The engineer will lead development of AI-driven features such as automated content summarisation and AI-generated avatars, working closely with stakeholders and a multidisciplinary data team. The position emphasizes production deployment and technical leadership within a mature AI environment.

Harnham - Data and Analytics Recruitment London, United Kingdom £100,000 – £140,000 pa

Hybrid Permanent