Fantastic challenges. Amazing opportunities. GKN Aerospace is reimagining air travel: going further, faster and greener! Fuelled by great people whose expertise and creativity sets the standards in our industry, we're insp...Read More>>.

Orbital Industries—a frontier AI industrial company—seeks a Machine Learning Research Engineer to architect cutting-edge AI systems for multi-scale physical technologies. You will drive projects from prototype to production, balancing research...Read More>>.

DRW seeks a Research Engineer for our Greenwich, CT office to join a fast-moving team of technologists, researchers and traders. You will implement research studies, simulate strategies, and build robust engineering solutions embedded with traders...Read More>>.

Your Impact at LILA We're building a talent-dense, high-agency AI safety team at Lila that will engage all core teams within the organization (science, model training, lab integration, etc.), to prepare for risks from scientific superinte...Read More>>.

Mistral AI in the United Kingdom seeks a Research Engineer – ML track to build and optimise large-scale learning systems powering open-weight models. You’ll work with Research Scientists and choose to join either Platform RE Team or Embedded R...Read More>>.

Unique opportunity to join this hugely successful prop trading firm as they scale significantly, building out a brand-new central trading team.With major investment in GPUs and compute infrastructure, the aim is to build from scratch a best...Read More>>.

Who are we?Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems.We’re training and deploying f...Read More>>.

Research Engineer, Machine Learning (RL Velocity)London, UKAbout AnthropicAnthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for...Read More>>.

Rise Technical Recruitment Ltd is recruiting an AI Research Engineer for central London, office-based with a 4-5 day onsite pattern and a 4 weeks remote abroad option. The role will involve building and refining cutting-edge AI models, including L...Read More>>.

White Circle is seeking several ML Engineers to train, post-train, and evaluate the LLMs powering our platform. This hands-on role involves building petabyte-scale data pipelines, SFT/RLHF/DPO-style alignment, reward models, and distributed multi-...Read More>>.

Outpost Bio is hiring a Senior ML Research Engineer to develop models and research infrastructure for multi-omic datasets, turning complex data into reliable insights. You will own research questions from hypothesis to publication-worthy evaluatio...Read More>>.

Nominal is seeking a Staff Research Engineer to shape how its agents are evaluated and to build the path from evals to post-trained models for hardware tasks. You will lead evaluation strategies grounded in real-world workloads and coordinate with...Read More>>.

Deliveroo in London is seeking a Senior Software Engineer - Full Stack to own features end to end, work with Product and Design, and help shape how we build at scale. You'll join the Home Page & Merchandising Platform team, tackling high-traffic b...Read More>>.

Senior Research Engineer - AI / Deep Learning / LLM / Python This is a permanent role, working 100% onsite in either London or Cambridge What you will be doing Leading engineering efforts on complex research p...Read More>>.

Callosum, in London, seeks researchers to design experiments that diagnose why agentic AI systems fail and to turn insights into interventions. You will work on memory management, agent steering, and continual learning, building durable analysis t...Read More>>.

Rise Technical Recruitment Ltd is seeking an AI Research Engineer in London to drive cutting-edge AI initiatives across LLMs, agentic workflows and computer vision for compliance applications.You will build, evaluate and fine-tune models, d...Read More>>.

European Tech Recruit is seeking a Senior Research Engineer to lead ML/AI research projects in a 100% onsite role based in London or Cambridge. You will optimise algorithms, scale research prototypes, and collaborate with researchers to align engi...Read More>>.

Relation in London is seeking a Senior Machine Learning Research Engineer to help build and scale generative and predictive models of cellular behaviour.Research Engineers at Relation are software engineers with a deep understanding of mach...Read More>>.

Engineering ManagerCompetitive Salary (Open to Discussion) + BonusCardiff Office (3 days onsite p/week)CPS Group are supporting an established financial services organisation who are growing their Product Engineering team and...Read More>>.

Zettafleet is hiring a Machine Learning Research Engineer to develop and enhance model training code and the underlying infrastructural software. You will work on pre-training, post-training and evaluation workloads to domain-adapt LLMs with custo...Read More>>.

Jump Trading, a global quantitative trading firm, is seeking a full-time ML engineer in London. The role focuses on building financial-ML frameworks, training pipelines, and low-latency inference on large GPU systems using Python, C++, CUDA and mo...Read More>>.

Principle HR in London is seeking a Senior Research Engineer to join a world-leading technology organisation, focusing on AI and machine learning research. You'll be embedded in a cutting-edge team working on LLMs, RL, synthetic data, and multi-ag...Read More>>.

A premier research organisation is seeking a skilled individual to work in R&D at the intersection of LLM agent development and cybersecurity. This 12 month contract, which may be extended, offers the chance to pursue the use of AI to obviate vuln...Read More>>.

Salary: £47,000 - 87,000 per yearRequirements:Applicants must be redeployee applicants at City St Georges; applications from others will not be considered at this time.Responsibilities:Design...Read More>>.

City St George’s, University of London is the University of business, practice and the professions and brings together the expertise and excellence of City, University of London and St George’s, University of London into one institution. The c...Read More>>.

PostHog Enterprise in Greater London is seeking an AI Research Engineer to join their self-driving product initiative. You will work on large datasets, develop models, and ensure production-ready solutions.Your role involves researching tec...Read More>>.

Plumerai in London is seeking a Senior Deep Learning Research Engineer to help build state-of-the-art AI for embedded devices. You will design and train models, improve data pipelines, and implement novel approaches for on-device and edge deployme...Read More>>.

RedTech Recruitment Ltd. in Cambridge seeks a senior Machine Learning Research Engineer to explore novel NLP/LLM approaches, prototype concepts and push state-of-the-art in a fast-moving software environment.The successful candidate will ho...Read More>>.

Basecamp Research seeks a Senior Research Engineer to join its AI Research team in London. You’ll work on technology and systems that power frontier biology-focused AI research, from accelerators to distributed training pipelines and experiment...Read More>>.

Ellison Institute is seeking a senior researcher to advance foundation models for autonomous laboratory workflows in Oxford. You will examine how data, model architecture, and training stages influence end-to-end scientific performance and guide p...Read More>>.

About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems—across high-stakes industries like finance, manufac...Read More>>.

About Mistral Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems—across high‑stakes industries like finance, manuf...Read More>>.

We are looking for a Senior Research Engineer - with a background in advanced composite manufacturing process development to help shape the future of flight. You will be an integral member of the GTC technology team working on developing advanc...Read More>>.

Requirements Master’s in Computer Science (or equivalent experience) 4 + years building and operating large-scale or distributed systems Strong software-design instincts: modular code, tests...Read More>>.

The VacancyThe Candidate should have civil nuclear sector experience in the following areas – Understanding Strategic challenges and opportunities facing the civil nuclear sector- Including but not exhaustive list-Modular...Read More>>.

Generative Group is seeking a Founding Machine Learning Research Engineer in London to guide the team’s work from research into robust engineering and scalable model training. This engineer-first role combines ML research with production-ready s...Read More>>.

Dex is partnering with a company building a proactive AI assistant that maintains a living model of a person’s work history, and acts on their behalf. The team aims to handle long-term memory, retrieve messy context, and reason live on screen ac...Read More>>.

I'm partnered with a leading $80 Billion+ Multi-Strategy Hedge Fund, known for their unparalleled tech infrastructure and trading pod based model. They have a systematic trading pod in London looking to hire a Machine Learning Researcher, t...Read More>>.

At CoMind, we are developing a non-invasive neuromonitoring technology that will result in a new era of clinical brain monitoring. In joining us, you will be helping to create cutting-edge technologies that will improve how we diagnose and treat b...Read More>>.

MediaTek in Cambourne, United Kingdom, seeks a Senior Research Engineer to lead advanced AI research projects, optimize algorithms for scalability, and align engineering work with ambitious research goals.You will mentor junior engineers, c...Read More>>.

Qubitra is an early-stage company developing quantum and quantum-inspired software for financial institutions. As a Junior Algo Research Engineer, you will join a small, senior team and work at the intersection of quantitative research and product...Read More>>.

AI/ML Research Engineer, Additive Manufacturing (KTP Associate)This full-time post is a Knowledge Transfer Partnership Associate role between the Centre for Additive Layer Manufacturing (CALM) at the University of Exeter and Rapid Fusion....Read More>>.