Jobs in London

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

Enterprise Account Executive DACH

Drive enterprise sales in the DACH region by acquiring and expanding AI video platform customers with 1k–10k employees. Focus on value-based selling, pipeline development, and cross-functional collaboration with Customer Success to ensure adoption and growth. Requires native German fluency and proven SaaS sales experience in methodological environments.

Synthesia London, United Kingdom

Hybrid Permanent

Senior Software Engineer II

This role involves leading the design and implementation of complex, cloud-native banking systems, driving technical direction across engineering teams, and mentoring senior engineers. The engineer will solve highly ambiguous problems, improve operational processes across production environments, and help shape company-wide standards in security, scalability, and developer velocity using modern technologies including AI tools. Collaboration with leadership and cross-functional stakeholders is key to delivering long-term platform vision.

Thought Machine Lisbon, Portugal

On-site Permanent

Account Director

This role involves managing and growing key client accounts across Latin America for a cloud-native banking technology provider. The Account Director will act as a trusted advisor to senior stakeholders in financial institutions, driving renewals, upsells, and strategic account planning while collaborating with internal teams to ensure successful delivery. The position requires deep understanding of banking operations and transformation projects, with a focus on commercial growth through proactive relationship management.

Thought Machine Miami, Florida, United States

Remote Permanent

Senior/Principal Machine Learning Scientist (Generative Modelling)

Develop generative and predictive models of cellular behaviour using multi-omic and perturbation data, with a focus on causal inference and counterfactual prediction. Collaborate closely with experimental teams to iteratively design and validate hypotheses in wet-lab settings. Work in a highly interdisciplinary environment combining machine learning, biology, and engineering to drive novel therapeutic discovery.

Relation Therapeutics London, United Kingdom

On-site Permanent

Senior Machine Learning Scientist (Single Cell)

Design and implement machine learning models tailored to single-cell and multiomic biological data to understand cellular responses to interventions. Collaborate closely with wet-lab scientists to translate biological questions into modelling problems and ensure models capture biologically meaningful insights. Contribute to research roadmap development and advance cellular modelling through interdisciplinary collaboration.

Relation Therapeutics London, United Kingdom

On-site Permanent

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 Data Scientist

A Senior Data Scientist will partner with AI engineering teams to develop data-driven insights that improve the functionality, safety, and performance of Wayve’s AI-driven autonomous vehicles. Using real-world and simulated driving data, the role involves designing experiments, refining performance metrics, and diagnosing model bottlenecks. The position emphasizes statistical rigor, causal analysis, and cross-functional collaboration in a fast-moving, innovative environment focused on advancing end-to-end AI for automated driving.

Wayve London, United Kingdom

Training, Process Management Engineer

This role involves building and maintaining the distributed operating system that orchestrates and monitors large-scale machine learning workloads across OpenAI’s supercomputers. You'll work primarily in Rust to develop high-performance, asynchronous systems that ensure reliable, observable, and scalable training runs—from small experiments to massive distributed jobs. The position focuses on solving novel challenges in system reliability, performance optimization, and rapid debugging at an unprecedented scale.

OpenAI London, United Kingdom

Hybrid Permanent

UK Defence Veterans - Civilian Work Attachment

This role offers UK defence veterans in their final 12 months of service a one-week unpaid civilian work attachment at a leading AI company. Participants gain structured exposure to roles, teams, and processes within the Defence Business Unit, learning how AI is applied to military and defence challenges such as intelligence analysis, autonomous systems, and decision support. The placement is designed for career transition insight, not ongoing employment.

Faculty AI London, United Kingdom

Internship

Protection Scientist Engineer, Intelligence and Investigations

Design and build systems to proactively detect and enforce against abuse on OpenAI's products, including monitoring for new and existing features. Investigate critical escalations involving sensitive content and collaborate with product, policy, and engineering teams to develop scalable safety solutions. Develop detection prototypes and improve automation using data science and machine learning techniques.

OpenAI London, United Kingdom

On-site Permanent

Director of Nonclinical Safety, Cambridge, MA

Lead the development and execution of nonclinical safety strategies for small molecule and biologic drug candidates in an AI-driven drug discovery environment. Pioneer the integration of artificial intelligence into toxicology assessment, build a scalable safety function, and collaborate across interdisciplinary teams to de-risk clinical translation. Represent the company in regulatory interactions with health authorities and help validate AI-generated safety models for regulatory acceptance.

Isomorphic Labs Cambridge, United Kingdom

Research Program Manager

The Research Program Manager will operationalize and coordinate high-impact research initiatives at a deep-tech AI company, translating ambitious scientific goals into structured programs. This role ensures alignment across research, product, and engineering teams, manages delivery cadence, and supports external collaborations—enabling scientists to focus on innovation while maintaining strategic coherence. The position is central to scaling research operations in a fast-growing, interdisciplinary environment.

PhysicsX London, United Kingdom

Expression of Interest- Cyber and Autonomous Systems Team

This role involves developing and running advanced evaluations of frontier AI models in cybersecurity and autonomous systems, using cyber ranges and CTF environments to assess capabilities and risks. You'll work on pre-deployment testing, validate novel model behaviors, and support UK government decision-making on AI governance. The work is research-driven, technically rigorous, and operates at the intersection of AI safety, security, and policy.

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

Hybrid Permanent Clearance Required

Machine Learning Engineer

Develop and deploy scalable machine learning systems integrated with high-fidelity physics simulations, working directly with customers and engineering teams to solve real-world industrial challenges. Focus on building reliable data pipelines, manipulating 3D point-cloud and mesh data, and translating research into production-grade tools. The role involves significant customer collaboration, on-site problem solving, and travel across multiple regions.

PhysicsX United Kingdom £150,000 – £190,000 pa

Remote Permanent