Latest AI Research Scientist Jobs

PhysicsX logo

CFD Multiphase & DEM Engineer

This role involves developing high-fidelity multi-physics simulation models, particularly in multiphase CFD and coupled CFD-DEM, to support AI-driven engineering solutions. The engineer will work directly with customers across industries like aerospace, energy, and automotive to build and validate complex simulations, automate workflows, and generate data for machine learning. Key responsibilities include geometry processing, meshing, simulation, and optimisation using tools like Star-CCM+, OpenFOAM, or Fluent, alongside Python scripting and parametric CAD integration.

PhysicsX London, United Kingdom
NVIDIA logo

Senior Solutions Architect, Higher Education and Research - Open Models and LLM

This role involves partnering with academic and research institutions to advance AI and HPC workloads using NVIDIA's accelerated computing platform. The Solutions Architect will guide researchers in integrating NVIDIA technologies into large-scale projects, particularly around large language models and open models. Responsibilities include hands-on technical engagement, driving research collaborations, delivering training, and translating research needs into product feedback for engineering teams.

NVIDIA Cambridge, United Kingdom
NVIDIA logo

Senior Solutions Architect, Higher Education and Research - Open Models and LLM

This role involves partnering with academic and research institutions to advance AI and HPC initiatives using NVIDIA's accelerated computing platforms. The Solutions Architect will guide researchers in integrating NVIDIA technologies into large-scale AI projects, particularly around LLMs and open models, while contributing to joint research and technical content. Responsibilities include hands-on training, prototyping solutions, and bridging research needs with product development through direct feedback to engineering teams.

NVIDIA Reading, United Kingdom

Research Engineer

As a Research Engineer at ElevenLabs, you will work on the cutting edge of audio AI, training and improving state-of-the-art models, and designing rigorous benchmarks to evaluate model performance. You will collaborate with a high-velocity, impact-driven team that values excellence and innovation.

ElevenLabs United Kingdom
Remote Permanent

Engineering - Internal AI Transformation

As an Internal AI Engineer at ElevenLabs, you will design and implement AI-driven workflows to automate manual processes across various teams. You will work closely with business owners to identify pain points, build solutions, and ensure the reliability and safety of AI systems. Your role involves integrating AI tools with core business systems and developing reusable automation services.

ElevenLabs United Kingdom
Remote Permanent

Research Engineer, Machine Learning (RL Velocity)

This role involves building and optimizing the machine learning infrastructure that supports Anthropic’s reinforcement learning research. You'll work closely with researchers to improve training efficiency, debug performance bottlenecks, and develop tooling that accelerates model development. The position focuses on high-leverage platform improvements that scale across the entire research team.

Anthropic London, United Kingdom £370,000 – £630,000 pa

Research Engineer, Pretraining Scaling - London

This role involves owning critical parts of Anthropic's production pretraining pipeline for large language models, focusing on reliability, performance optimization, and debugging across hardware, networking, and training dynamics. The engineer will run experiments to improve training efficiency, respond to incidents during model launches, and collaborate closely with research and systems teams. It’s a high-impact, operational role blending deep technical engineering with empirical research in a fast-paced, safety-focused AI environment.

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

Applied AI Architect, Large Enterprise

The Applied AI Architect role involves partnering with enterprise customers to identify and implement AI solutions, guiding them from pre-sales to production. Responsibilities include technical strategy, architecture development, and stakeholder engagement, with a focus on measurable business impact.

OpenAI London, United Kingdom
Permanent
OpenAI logo

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, United Kingdom
On-site Permanent
Databricks logo

AI Forward Deployed Engineer - London

The AI Forward Deployed Engineer role involves developing cutting-edge GenAI solutions, rolling out production-grade applications, and serving as a technical advisor to customers. You will collaborate with product and engineering teams to shape strategic priorities and present at industry conferences.

Databricks London, United Kingdom
AI Security Institute logo

Expression of Interest - Core Technology Team

This role involves collaborating with the open-source community, implementing support for new AI models, scaling proxy infrastructure, and designing custom infrastructure for research projects. The team focuses on building tools and infrastructure for AI security and evaluation, working closely with researchers and government entities.

AI Security Institute London, United Kingdom

STEM Fellow - Human Frontier Collective (UK)

This role involves collaborating on high-impact AI research projects by designing domain-specific challenges and datasets to evaluate advanced generative AI systems. Fellows contribute expert insights to improve model reasoning and performance, co-author technical publications, and engage with a global network of leading researchers. The position is research-intensive, interdisciplinary, and focused on advancing human-centered AI through applied, domain-driven evaluation.

Scale AI United Kingdom
Remote Contract Flexible

SWE Fellow - Human Frontier Collective (UK)

Work on high-impact AI evaluation projects by designing domain-specific problems and datasets to assess advanced generative models. Collaborate with leading researchers and contribute to technical reports and publications in applied AI. Engage in flexible, interdisciplinary research with a global network of experts while using Python, Java, or other programming languages to improve model reasoning and performance.

Scale AI United Kingdom
Remote Contract Flexible
Synthesia logo

Machine Learning Engineer / ML Engineer - Roleplay Sessions

Build and improve the AI engine powering interactive roleplay training with AI avatars, focusing on real-time performance scoring, feedback generation, and dynamic response logic. Work on applied machine learning models integrated into a product-driven environment, collaborating closely with engineering and product teams to enhance learning-by-doing experiences. The role emphasizes fast iteration and delivering tangible impact through scalable AI systems.

Synthesia London, Europe, United Kingdom
Permanent

Specialist Software Engineer

This role involves leading high-impact technical projects within Darktrace’s R&D team in Cambridge, focusing on advancing AI-driven cybersecurity solutions. You’ll provide strategic technical direction, mentor engineers, and innovate in detecting and responding to novel cyber threats. The position blends rapid prototyping with structured development, requiring deep expertise in software architecture, security, and distributed systems.

Darktrace United Kingdom