Machine Learning Jobs

Software Engineer

This role involves building and scaling the Frontier Decision Intelligence platform, focusing on creating enterprise-grade AI solutions for high-impact sectors like healthcare and life sciences. You'll work across full-stack development with Python and TypeScript, designing APIs and SaaS user experiences while collaborating in cross-functional squads. The position emphasizes technical ownership, scalable architecture, and solving complex real-world problems using state-of-the-art tools and practices.

Faculty AI London, United Kingdom

Hybrid Permanent

Senior Software Engineer

This role involves building and scaling an enterprise AI platform focused on decision intelligence, with applications in healthcare and life sciences. You'll work across the full stack using Python and TypeScript, integrate the platform into customer environments, and lead technical delivery while mentoring junior engineers. The role emphasizes robust system design, automated testing, and close collaboration with cross-functional teams to deploy AI-driven solutions in production.

Faculty AI London, United Kingdom

Hybrid Permanent

Infrastructure & Platform Specialist Solutions Architect (SSA)

Design and implement production-grade machine learning and AI workloads on the Databricks platform, with a focus on GenAI, MLOps, and LLMOps. Provide technical leadership during sales cycles by building MVPs, guiding architecture, and mentoring teams. Influence product direction and drive AI adoption through technical content and industry engagement.

Databricks London, United Kingdom

Hybrid Permanent

Principal ML Platform Engineer

Design and build scalable, reliable systems for training, serving, and operating generative AI models in production. Develop internal tooling and agentic workflows to reduce manual effort and improve automation across research and product teams. Collaborate with researchers and engineers to enhance platform observability, debugging, and developer experience at scale.

Synthesia London, United Kingdom

Remote Permanent

Researcher, Robustness & Safety Training

About the TeamThe Safety Systems team is responsible for various safety work to ensure our best models can be safely deployed to the real world to benefit the society and is at the forefront of OpenAI's mission to build and...

OpenAI London, United Kingdom

Permanent

Software Engineer, Agent Infrastructure

About the TeamThe Agent Infrastructure team at OpenAI is responsible for building systems that enable training and deployment of highly useful AI agents, both internally and for the world.We work hand-in-hand with researchers to design and scale the environment in...

OpenAI London, United Kingdom

Permanent

Principal Machine Learning Engineer

This role involves leading the design and implementation of scalable machine learning systems within high-stakes defence projects. You'll act as a technical authority, solving cross-cutting challenges, shaping architectural strategy, and mentoring engineering teams. The work combines advanced AI innovation with real-world deployment in secure, mission-critical environments.

Faculty London, United Kingdom

Hybrid Permanent

Lead Machine Learning Engineer

Leads the technical direction of complex AI/ML projects, designing scalable production systems and guiding engineering teams in high-risk environments. Focuses on building robust ML infrastructure, CI/CD pipelines, and deploying AI platforms for government and public sector clients. Provides architectural leadership and mentors engineers while driving innovation in responsible AI.

Faculty London, United Kingdom

Hybrid Permanent Clearance Required

Data Scientist - AI Safety

This role involves building and managing datasets and evaluation systems for AI safety, translating policy into data criteria, and creating scalable processes for model assessment. The candidate will work hands-on with real-world data, design labelling workflows, and develop Python/SQL pipelines to support training and monitoring of AI models in production. Collaboration with safety researchers, engineers, and policy teams is central to the role.

ElevenLabs London, United Kingdom

Hybrid Permanent

Member of Technical Staff - RL Environments

Build and refine reinforcement learning environments to train and evaluate AI agents for enterprise applications. Design tasks, synthetic data pipelines, and verifiers while collaborating with modeling and product teams to close capability gaps. Work in a security-first AI company with a focus on measurable agentic performance and scalable evaluation systems.

Cohere London, United Kingdom

Hybrid Permanent

Applied Scientist I

Design and train machine learning models for digital identity verification, focusing on deepfake detection, bias mitigation, document understanding, and efficient on-device ML. Collaborate with product and engineering teams to deploy scalable models and publish research in top-tier venues. Work with large-scale vision-language models, synthetic data, and multimodal systems to enhance fraud detection and identity assurance.

Entrust London, United Kingdom

Associate Director, Platform Engineering

Lead the platform engineering function for a TechBio company pioneering drug discovery through single-cell multi-omics and machine learning. Define and evolve the hybrid on-premises and cloud infrastructure strategy, with a focus on Kubernetes, MLOps, scientific compute environments, and platform security. Develop the team and platform to support data-intensive genomic pipelines, model training, and CI/CD maturity while ensuring robust observability, disaster recovery, and compliance with clinical-stage data governance standards.

Relation Therapeutics London, United Kingdom

Permanent

MLOps Engineer

Design and operate a secure, scalable AI platform infrastructure, building CI/CD pipelines and deployment workflows in collaboration with data science and engineering teams. Implement observability, automate infrastructure using IaC, and ensure high availability and compliance. Focus on performance, cost efficiency, and seamless integration of AI workloads and agents.

DGH Recruitment London, City And County Of the City Of London, United Kingdom £80,000 – £100,000 pa

Data Scientist - Financial Services

This role involves end-to-end ownership of existing analytics and production data science models for UK and Canadian markets, with a focus on revenue monitoring, partner performance, email campaigns, and experimentation. The Data Scientist will maintain and troubleshoot live systems rather than build new models, ensuring reliability and clear communication with cross-functional teams. The position requires strong operational discipline and technical maintenance of established pipelines and reporting.

EF Recruitment London, United Kingdom £480 – £500 pd

Machine Learning Engineer (Computer Vision)

This role involves designing, training, and deploying computer vision models across the full machine learning lifecycle. You will work closely with engineers, data scientists, and domain experts to build production-ready systems and evaluate model performance on a variety of projects.

Platform Recruitment London, United Kingdom £80,000 – £160,000 pa

On-site Permanent