Latest researcher Jobs

Research Engineer, Machine Learning (Reinforcement Learning)

This role involves advancing reinforcement learning in large language models, focusing on developing agentic systems for computer use, code generation, and reasoning. The engineer will build scalable RL infrastructure, design training environments, and collaborate across research and engineering to implement safety and performance improvements at scale.

Anthropic London, United Kingdom £260,000 – £630,000 pa

Research Engineer, Pretraining

This role involves conducting research and engineering to advance large language models, focusing on model architecture, optimization, and scalable training infrastructure. You'll work across the full stack—from low-level system optimizations to high-level model design—while contributing to scientific experiments and tooling. The position emphasizes collaboration, interpretability, and AI safety within a cohesive research team.

Anthropic London, United Kingdom £260,000 – £630,000 pa

Senior HPC and AI Network Software Architect

Design and evolve scalable software architectures for distributed AI training and inference, focusing on communication efficiency, runtime systems, and hardware-software co-design across GPUs, DPUs, and interconnects. Develop and optimize libraries like NCCL, UCX, and UCC for frontier AI workloads. Collaborate with AI framework and platform teams to enhance end-to-end performance at scale.

NVIDIA PLN 221,250 – PLN 507,000 pa

Senior HPC and AI Network Software Architect

Design and evolve scalable software systems for distributed AI training and inference, focusing on communication efficiency, runtime performance, and hardware-software co-design across GPU, DPU, and interconnect technologies. Develop and optimize libraries like NCCL, UCX, and UCC, and collaborate with AI framework and platform teams to enable high-performance, large-scale AI workloads. Drive innovation in system-level capabilities for next-generation AI infrastructure.

NVIDIA PLN 221,250 – PLN 507,000 pa

Full-Stack Engineer (Front-End Leaning)

Build and maintain front-end and back-end components for AI-powered voice, creative, and developer platforms used by millions. Work with lean, autonomous teams to deliver end-to-end features, improve UX, and integrate cutting-edge AI models. Collaborate across engineering, growth, and sales to solve customer and internal workflow challenges.

ElevenLabs United Kingdom

Remote Permanent

Full-Stack Engineer

Develop and maintain full-stack features across ElevenLabs' AI-powered voice, creative, and API platforms, with end-to-end ownership from scoping to deployment. Work in lean, autonomous teams to build scalable products using Python, TypeScript, and React, integrating cutting-edge AI models. Collaborate across engineering, growth, and sales to solve customer and internal workflow challenges while contributing to infrastructure and large-scale data systems.

ElevenLabs United Kingdom

Remote Permanent

ML Research Engineer, London

Develop and optimise cutting-edge AI models at the intersection of machine learning and drug discovery, translating research into scalable, production-ready systems. Work closely with scientists to build predictive and generative models using advanced deep learning techniques, with a focus on innovation in computational biology and chemistry. Contribute to a collaborative, interdisciplinary team advancing a digital biology platform for transformative medicine development.

Isomorphic Labs London, United Kingdom

On-site Permanent

Senior Machine Learning Research Engineer

Develop and scale generative and predictive machine learning models for cellular behaviour using multi-omic biological data. Build robust distributed training and inference systems, bridging ML research and production deployment in close collaboration with scientists. Optimize performance across compute, memory, and I/O while advancing core ML infrastructure in a highly interdisciplinary environment.

Relation Therapeutics London, United Kingdom

Permanent

Assistant Professor in Robotics and Artificial Intelligence (Research and Education)

This role involves conducting innovative research and teaching in robotics and artificial intelligence within a mechanical engineering context. The postholder will lead in course development, supervise students at undergraduate and postgraduate levels, and pursue external research funding. The position emphasizes real-world engineering solutions, interdisciplinary collaboration, and contributing to an inclusive academic environment.

University of Birmingham Birmingham, Midlands Of England, United Kingdom £47 – £56 pa

Permanent

Staff Machine Learning Software Engineer, Research

Lead and shape research initiatives in machine learning for physics-based simulation, focusing on scalable and distributed training of foundation models. Translate research prototypes into robust, production-grade systems using cloud and HPC infrastructure, while mentoring junior engineers and guiding technical direction across the Research team.

PhysicsX London, United Kingdom

On-site Permanent

Software Engineer, Cloud Infrastructure

This role involves designing and building scalable development and production platforms that power OpenAI's core products like ChatGPT and the API. The engineer will work on Kubernetes clusters, cloud abstractions, networking, and infrastructure deployment systems, ensuring reliability, security, and scalability. The position includes on-call responsibilities and emphasizes a culture of inclusion, safety, and technical excellence in a fast-paced environment.

OpenAI London, United Kingdom

Permanent

Infrastructure Team Lead

Lead the infrastructure team responsible for maintaining and improving systems that support AI research and development, including GPU clusters and internal engineering services. Drive technical strategy, operational stability, and team development through automation, infrastructure-as-code, and vendor management. Focus on reliability, scalability, and reducing operational toil in a Linux-based, distributed systems environment.

Speechmatics Cambridge, United Kingdom

AWS Specialist Sellers, Strategic Pursuits

Lead high-value enterprise opportunities through the joint AWS and OpenAI co-sell motion, working closely with AWS field teams and OpenAI stakeholders to shape and close strategic AI and cloud transformation deals. Develop scalable playbooks and value propositions that align OpenAI’s capabilities with enterprise business priorities. Operate in a cross-functional, executive-facing role to drive commercial execution and pipeline growth.

OpenAI London, United Kingdom

Hybrid Permanent

Machine Learning Scientist

We’re Aioi R&D Lab – an AI tech hub in one of the fastest-growing insurance companies. We research and develop AI systems that catapult insurance from a slow-moving, traditional past into a data-driven, technology-lead and society-defining future.We’re looking for dynamic,...

Aioi Nissay Dowa Europe Oxford, Oxfordshire, United Kingdom £55,934 – £83,386 pa

Senior Software Engineer 1 (MLOps)

We’re Aioi R&D Lab - an AI tech hub in one of the fastest-growing insurance companies. We research and develop AI systems that catapult insurance from a slow-moving, traditional past into a data-driven, technology-lead and society-defining future.We’re looking for dynamic,...

Aioi Nissay Dowa Europe Oxford, Oxfordshire, United Kingdom £81,322 – £112,488 pa