Latest Data Scientist Jobs

Machine Learning Intern/Co-op (Winter 2027)

As a Machine Learning Intern, you will design, train, and improve cutting-edge AI models, develop novel research ideas, and build training/deployment pipelines. You will work closely with product teams and experienced senior staff, contributing to the development of safe and efficient AI solutions.

Cohere United Kingdom

Remote Internship

Senior Full-Stack Engineer, North Admin

This role involves building and shipping features for Cohere's AI workspace platform, North, developing autonomous agents that interact with sensitive enterprise data, and collaborating with researchers to productionize state-of-the-art models. The role requires strong full-stack coding abilities, experience in fast-paced environments, and a focus on security and privacy.

Cohere London, United Kingdom

Remote Permanent

Applied AI Engineer, Startups (Codex)

This role involves working closely with startups to integrate Codex and other AI coding tools into their development workflows. Responsibilities include leading technical talks, workshops, and hackathons, building reusable tools, and translating customer feedback into product improvements.

OpenAI London, United Kingdom

Permanent

Applied AI Engineer, Codex

This role involves working directly with engineering teams to design and implement AI-powered software development workflows using Codex. The engineer will build prototypes, integrations, and evaluation systems, often leveraging Codex in their own development process. They will guide clients from experimentation to production deployment, ensuring measurable improvements in developer productivity and software delivery.

OpenAI London, United Kingdom

Hybrid Permanent

Researcher, Safety Training

This senior researcher role focuses on advancing AI safety through cutting-edge research, implementing robust safety measures in AI models, and collaborating with cross-functional teams to ensure the highest safety standards. The role involves setting research directions, evaluating model safety, and addressing adversarial and privacy risks.

OpenAI London, United Kingdom

On-site Permanent

Researcher, Recursive Self-Improvement Safety

This role involves conducting research and developing strategies to mitigate risks associated with advanced AI capabilities, particularly focusing on recursive self-improvement. Responsibilities include designing and implementing risk assessment, control measures, and safety protocols, as well as collaborating with other teams to ensure robust AI safety practices.

OpenAI London, United Kingdom

On-site Permanent

Researcher, Frontier Risk Mitigations

This role involves identifying and mitigating emerging AI safety risks, developing new methodologies, and collaborating with experts across various domains to ensure the safety and alignment of OpenAI’s AI systems. The researcher will play a critical role in defining best practices and evaluating the robustness of safety systems.

OpenAI London, United Kingdom

On-site Permanent

Software Engineer, Platform Systems

Design and build distributed failure detection, tracing, and observability systems to ensure reliable, efficient training of large-scale AI models. Work closely with research and infrastructure teams to debug and optimize performance across custom supercomputing environments. Focus on low-level systems, hardware awareness, and real-time insights into complex distributed workloads.

OpenAI London, United Kingdom

Permanent

Forward Deployed Engineer - London (Spanish-speaking)

This role involves leading end-to-end technical deployments of cutting-edge AI models for strategic customers, from prototyping to production. The engineer will build full-stack systems, deeply integrate with customer teams, and translate field feedback into product and model improvements. Success is measured by real-world adoption and measurable impact on customer workflows.

OpenAI London, United Kingdom

Permanent

Software Engineer, Agent Infrastructure

This role involves building and scaling systems to train highly capable AI agents and deploying them to millions of users. You will work on optimizing large-scale compute clusters, developing APIs, and collaborating with research teams to push the boundaries of AI infrastructure.

OpenAI London, United Kingdom

Permanent

Software Engineer, Codex Core Agents

This role involves designing and building the infrastructure that powers Codex agents in production, focusing on sandboxed execution, orchestration, stateful workflows, and model rollouts. You will work on distributed systems, developer tooling, and AI to ensure Codex is fast, reliable, and secure.

OpenAI London, United Kingdom

Permanent

IT Support Specialist

The IT Support Specialist will serve as the first point of contact for troubleshooting hardware, software, and network issues, coordinate with vendors for equipment procurement and maintenance, and actively participate in process and systems improvement initiatives. The role involves collaborating with cross-functional teams to enhance the overall employee experience and ensure seamless IT operations.

OpenAI United Kingdom

On-site Permanent