Latest data Jobs

Anthropic Fellows Program, AI Safety & Security

This role involves conducting full-time empirical AI safety research over a 4-month period, aligned with Anthropic’s priorities such as scalable oversight, adversarial robustness, and mechanistic interpretability. Fellows will work on a self-directed project with mentorship from senior researchers, aiming to produce a public output like a research paper. The program offers a structured environment with access to compute funding, a shared workspace, and integration into the broader AI safety research community.

Anthropic London, Greater London, United Kingdom

Remote

Anthropic Fellows Program, ML Systems & Reinforcement Learning

This role involves a 4-month, full-time research fellowship focused on ML systems and performance, with mentorship from Anthropic researchers. Fellows will work on empirical projects using external infrastructure to build scalable ML systems, debug training processes, and support high-performance computing environments. The program emphasizes collaboration, rapid implementation, and producing public research outputs such as papers.

Anthropic London, Greater London, United Kingdom

Remote

Applied AI Engineer, Startups (Codex)

This role involves working closely with startups to integrate OpenAI's Codex into their development processes. Responsibilities include designing and leading technical talks, workshops, and hackathons, building reusable tools and resources, and translating customer feedback into actionable insights for OpenAI's teams.

OpenAI London, Greater London, United Kingdom

On-site Permanent

Principal Security Engineer – DevSecOps and Security Architect

This role involves leading security initiatives across the software development lifecycle, with a focus on integrating security into CI/CD pipelines, conducting threat modeling, and guiding secure design practices. The engineer will work hands-on to automate vulnerability detection, mentor development teams in secure coding, and engage in customer-facing security reviews. It's a high-impact position shaping the security posture of an AI-driven simulation platform in a collaborative, mission-driven environment.

PhysicsX New York, United States US$200,000 – US$300,000 pa

Hybrid Permanent

Account Director, Large Enterprise

This role involves managing key enterprise retail accounts and driving the adoption of AI solutions across customer experience, supply chain, and operations. The Account Director will act as a strategic advisor, working closely with technical teams to design and execute complex deployments while shaping product strategy through market insights. Success requires deep industry expertise, executive engagement, and a long-term vision for AI transformation in the retail sector.

OpenAI London, Greater London, United Kingdom

Hybrid Permanent

Software Engineer, Model Deployment- ChatGPT Engineering

Design and build software to manage large-scale GPU infrastructure supporting ChatGPT inference workloads. Develop internal platforms, automation tools, and AI-powered agents to improve fleet observability, reliability, and operational efficiency across thousands of GPUs. Collaborate with research, platform, and systems teams to optimize compute utilization and scalability.

OpenAI London, Greater London, United Kingdom

Hybrid Permanent

Forward Deployed Engineer - London

This role involves leading end-to-end deployments of cutting-edge AI models into production environments for strategic customers. The engineer will work full-stack, building systems that integrate generative models while deeply collaborating with customer teams to understand needs and drive adoption. Success is measured through real-world impact and feedback that shapes product and model development.

OpenAI London, Greater London, United Kingdom

Hybrid Permanent

Researcher, Training - London

A research-focused role advancing large language model development through architecture innovation, optimization, and scaling. The position involves designing and evaluating novel model architectures, debugging training regressions, and improving both model and computational performance. Work is integrated within a hybrid (3 days in-office) setup in London, contributing to core training infrastructure and flagship AI systems.

OpenAI London, Greater London, United Kingdom

Hybrid Permanent

Applied AI Engineer, Codex

This role involves partnering with engineering teams to design and deploy AI-powered software development workflows using Codex, transforming how organizations plan, code, test, and deliver software. The engineer will build prototypes, integrations, and evaluation systems—often using Codex in their own development—while guiding customers from experimentation to scaled production adoption. The position emphasizes technical leadership, hands-on coding, and translating real-world deployment insights into product and model improvements.

OpenAI London, Greater London, United Kingdom

Hybrid 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 models. The researcher will play a critical role in defining best practices for AI safety and contributing to the company’s mission of building safe AGI.

OpenAI London, Greater 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. Develop tooling to identify performance bottlenecks and faulty nodes across OpenAI’s custom supercomputing infrastructure. Collaborate closely with research and systems teams to evolve platform capabilities for frontier AI workloads.

OpenAI London, Greater 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, Greater London, United Kingdom

Permanent

Researcher, Safety Training

This senior researcher role focuses on advancing AI safety through cutting-edge research and implementation. You will set research directions, collaborate with cross-functional teams, and ensure OpenAI's models are robust, safe, and aligned with ethical standards.

OpenAI London, Greater 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 closely with researchers and product teams, optimizing infrastructure for large-scale machine learning and developing novel solutions for agentic models.

OpenAI London, Greater London, United Kingdom

Permanent

Software Engineer, Codex Core Agents

This role involves designing and building the infrastructure that powers Codex agents, 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, Greater London, United Kingdom

Permanent