Machine Learning Jobs

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

Senior Applied Engineer

Develop and scale physical foundation models for AI-driven engineering simulation, bridging research and production. Work across the full stack from distributed training on multi-GPU cloud infrastructure to robust software implementation, collaborating with scientists and engineers to solve real-world physics problems. Contribute to reusable libraries and mentor team members in a high-impact, research-led environment.

PhysicsX United Kingdom

Hybrid Permanent

Applied Scientist - All Levels

Conduct research to develop physical foundation models using machine learning for engineering applications, translating complex physics problems into mathematical formulations. Collaborate with ML engineers, simulation experts, and customers to build AI-driven simulation tools that solve real-world challenges in advanced industries. Publish findings in top-tier venues and guide technical direction through experimentation and innovation.

PhysicsX United Kingdom

Hybrid Permanent

Staff Software Engineer - Backend

This role involves building and improving large-scale distributed systems for Databricks' Lakehouse Platform, focusing on backend services that enable secure, high-performance data storage and access across cloud infrastructures. You'll work on reliability, scalability, and developer experience, tackling challenges from infrastructure to product features. As a founding team member in London, you'll help shape the future of a unified data and AI platform.

Databricks London, United Kingdom

On-site Permanent

Customer Support Associate

Provide frontline customer support via email, chat, and social media, resolving inquiries and escalating complex issues as needed. Collaborate with technical and product teams to improve support processes and maintain accurate CRM records. Work in a fast-paced environment while meeting KPIs for response time, resolution, and customer satisfaction.

Synthesia United Kingdom

Remote Permanent

Senior Staff Software Engineer - Unity Catalog Runtime Enforcement

This role involves leading the development and hardening of the runtime enforcement layer for Unity Catalog, ensuring secure and consistent data access across Databricks' compute engines and clouds. The engineer will drive multi-year initiatives, establish enforcement semantics, and improve automation and operability at scale. The position requires deep expertise in distributed systems, security, and cross-organizational leadership in high-severity environments.

Databricks London, United Kingdom

General Application - Register Your Interest

This role invites expressions of interest for future opportunities across software engineering, machine learning, computational chemistry, and technical program management. Candidates will contribute to a mission-driven team leveraging cutting-edge AI to accelerate drug discovery and advance digital biology. The work involves interdisciplinary collaboration to build and apply AI models for transformative impact in medicine.

Isomorphic Labs United Kingdom

Hybrid Permanent

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

Principal Data Scientist

Lead and deliver high-impact machine learning solutions within the Defence sector, shaping technical strategy and client engagements. You will develop production-grade AI systems, including generative and agentic AI, while mentoring junior data scientists and guiding technical selling efforts. Work involves on-site collaboration with government clients and setting standards across complex, real-world AI deployments.

Faculty London, United Kingdom

Hybrid Permanent

Senior Data Scientist (Safety)

Lead high-impact AI safety projects by designing novel evaluation frameworks and robust software architectures for frontier AI labs. Mentor technical team members and ensure scientific rigour across the project lifecycle while contributing to thought leadership through research and open-source contributions. Work at the intersection of national security and cutting-edge AI development to advance responsible deployment.

Faculty London, United Kingdom

Hybrid Permanent

Developer Experience Engineer

This role focuses on enhancing the developer experience for ElevenLabs' AI platforms by building and maintaining open-source SDKs, improving API design, and creating developer tooling. The engineer will act as 'customer zero' for new products, contribute to technical content, and support developer adoption through hands-on engineering and community engagement. The position emphasizes full-stack development, API craftsmanship, and active participation in the open-source and developer conference ecosystem.

ElevenLabs London, United Kingdom

Remote 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

Expression of Interest: Next-generation Agentic Controls and Forensics (Technical Roles)

This role involves pioneering research into agentic controls and forensics for future AI systems, focusing on scalable technical methods to detect and understand AI misbehaviour. You'll work with pre-release frontier models and have access to significant computational resources, operating at the intersection of AI safety, security, and policy. The position offers high autonomy to explore novel research directions with real-world impact on global AI governance.

AI Security Institute London, United Kingdom £65,000 – £145,000 pa

Data Scientist (AI / ML) - Near Edinburgh - 42K, Bonus

Design and implement machine learning models within an R&D-driven environment, translating technical outcomes into actionable insights for stakeholders. Collaborate with product teams and external partners to integrate AI solutions into globally used products. Focus on innovation, experimentation, and continuous improvement in a hybrid work setting.

Lorien Stockbridge, City Of Edinburgh, Edinburgh, United Kingdom £35,000 – £42,000 pa

Hybrid

Technical Program Manager, AI Delivery for Public Sector & Defence, UK

This role involves leading end-to-end technical program delivery for AI deployments within UK public sector and defence organisations. The individual will act as a bridge between Cohere’s advanced AI capabilities and government stakeholders, managing complex procurement, security, compliance, and integration requirements. Success requires navigating air-gapped environments, high-stakes governance, and multi-team coordination to ensure responsible, secure, and scalable AI adoption.

Cohere London, United Kingdom

Hybrid Permanent Clearance Required