1 to 25 of 36 JAX Jobs in London

2026/Q2 - Senior Quantitative Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
track record of building and maintaining production‐quality systems. Expert‐level Python experience with numerical, statistical, or ML libraries (e.g. NumPy, pandas, PyTorch, JAX, TensorFlow). Deep understanding of statistical modelling, optimisation, or machine‐learning techniques. Experience building and operating backend systems and data pipelines in a cloud environment (e.g. ...

Machine Learning Engineer, Applied AI - Deployed

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
high level familiarity with the architecture and operation of large language models. Have personally implemented models in common ML frameworks such as PyTorch, Jax or TensorFlow. Possess a strong foundation in data structures, algorithms, and software engineering principles. Exhibit excellent problem‐solving and analytical skills, with a proactive approach ...

Research Engineer, Machine Learning – Paris/London/Zurich/Warsaw

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Computer Science (or equivalent proven track record). 4 + years working on large‐scale ML codebases. Hands‐on with PyTorch, JAX or TensorFlow; comfortable with distributed training (DeepSpeed/FSDP/SLURM/K8s). Experience in deep learning, NLP or LLMs; bonus for CUDA or data‐pipeline chops. ...

Senior Research Scientist FMTA

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
computer science, or a related field. Deep practical experience in Python and at least one modern machine learning framework such as PyTorch, TensorFlow, or JAX, experience working with large compute clusters and ML infrastructure is a plus. A track record of leading self-directed research projects that go well beyond ...

Senior Research Scientist FMTA

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
computer science, or a related field. Deep practical experience in Python and at least one modern machine learning framework such as PyTorch, TensorFlow, or JAX, experience working with large compute clusters and ML infrastructure is a plus. A track record of leading self-directed research projects that go well beyond ...

Deployed AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
language understanding. The ability to write clean and maintainable code in Python, Rust, C++ or Java Experience with frameworks such as PyTorch, Tensorflow or JAX Strong written and verbal communication skills to document your work effectively and present it to relevant stakeholders and users A passion for identifying and implementing ...

Machine Learning Research Engineer - Deep Learning

Hiring Organisation
Spencer Rose Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 110,000 Annual
Strong Python development skills Deep Learning (essential) Building and developing Deep Learning models from research through to implementation System Modelling or Simulation Modelling PyTorch, JAX, NumPy or similar machine learning frameworks Experience working within an Applied Research or R&D environment Desirable experience includes: Time Series modelling or forecasting Digital ...

Manager, Lead Research Scientist, LLM Agents (Foundational Research)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
NAACL, ICLR) with specific focus on agent systems, tool use, or multi‐agent coordination. Familiarity with one or more deep learning frameworks (e.g. pytorch, jax, tensorflow, ...) Experience in ML Research beyond completing a PhD (e.g. supervision, industry experience, leading academic initiatives, ...). Excellent communication skills to report ...

AIML Engineer, AI for Science

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
others); OR equivalent work experience delivering state‐of‐the‐art AI/ML solutions. Experience with at least one major deep learning framework (PyTorch, JAX, TensorFlow). Familiarity with machine learning literature and state‐of‐the‐art approaches. Experience developing and delivering robust software solutions, including demonstrated advanced programming expertise ...

Research Engineer / Scientist, Post-training - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
strong programming skills in Python , Rust, or similar; and strong software engineering fundamentals building performant and reliable systems. Proficient in deep learning frameworks (Pytorch, JAX, TensorFlow). You can work on different layers of the stack from low-level training backends, data ingestion to ML/RL algorithmic design ...

Senior Security Engineer

Hiring Organisation
Cubiq Recruitment
Location
North West London, London, United Kingdom
Employment Type
Permanent, Work From Home
shape what responsible AI security looks like in practice About you (skills/experience): You will bring A genuine understanding of deep learning (JAX, PyTorch, or TensorFlow), and you've worked with large-scale cloud training or inference infrastructure Think like an attacker on AI systems: prompt injection, model inversion ...

Senior Security Engineer

Hiring Organisation
17918
Location
Islington, North London, United Kingdom
shape what responsible AI security looks like in practice About you (skills/experience): You will bring A genuine understanding of deep learning (JAX, PyTorch, or TensorFlow), and you've worked with large-scale cloud training or inference infrastructure Think like an attacker on AI systems: prompt injection, model inversion ...

Campus ML Research Engineer (Intern)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
expertise. Creative thinkers who are driven, self-motivated, and eager to solve challenging problems Proficiency in Python and/or C++ Proficiency in Pytorch, JAX, Tensorflow or other DL library. Ability to thrive in a collaborative, team-oriented environment Expertise in GPU or Accelerator programming (CUDA, Triton, SYCL, ROCm ...

Campus ML Research Engineer (Full-Time)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
expertise. Creative thinkers who are driven, self-motivated, and eager to solve challenging problems Proficiency in Python and/or C++ Proficiency in Pytorch, JAX, Tensorflow or other DL library. Ability to thrive in a collaborative, team-oriented environment Expertise in GPU or Accelerator programming (CUDA, Triton, SYCL, ROCm ...

Research Engineer, Tool Use, DeepMind

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
scale, data visualization and data ingestion pipelines for training models. Experience with Large Language Models and notably Agents and Tools. Working knowledge of JAX/PyTorch or similar frameworks. About the Job At Google, research-focused Software Engineers are embedded throughout the company, allowing them to set up large-scale ...

Research Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience in academia or industry We will consider various levels of experience in relevant research areas Key Skills: Experience with ML frameworks (PyTorch, TensorFlow, JAX) and efficient ML (incl. quantization, pruning, sparsification, distillation, etc.) Experience with deployment on embedded/mobile devices (such as smartphones, with mobile ...

Research Scientist, Reinforcement Learning, DeepMind

Hiring Organisation
17918
Location
London, United Kingdom
advanced reinforcement learning topics, such as RL for sequence models, post-training, preference-based learning, or agentic systems. Familiarity with modern research stacks (e.g., JAX/Flax or PyTorch) and experience scaling experiments. Ability to be comfortable with scaling methodologies, evaluation techniques, and diagnosing complex failure modes. Ability to push ...

Research Scientist, Agent Post-Training, DeepMind

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
supervised fine-tuning (SFT), or agent-based systems, including modeling or applied infrastructure. 2 years of experience with machine learning frameworks such as JAX, Flax, TensorFlow, or PyTorch, and scaling experiments. Preferred qualifications PhD in Computer Science, Machine Learning, or a related quantitative field. Publications in reinforcement learning (RL), tool ...

Senior Research Scientist | Model Steering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
research direction with strong execution, and experience mentoring others on a fast‐moving, applied research team. Strong coding and experimentation skills (Python, PyTorch/JAX/Tensorflow), and the ability to communicate clearly and align research with product and engineering priorities. Nice to have Demonstrated experience fine‐tuning and training ...

Senior Research Scientist | Multimodal Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
integrating ML systems into production while staying grounded in product impact and real-world quality. Strong coding and experimentation skills (Python, PyTorch/JAX/Tensorflow), and the ability to communicate clearly and align research with product and engineering priorities. Ability to lead complex research efforts, to communicate clearly ...

ML Infrastructure Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
rollouts, replay buffers, reward signals, data filtering, policy updates, evaluation loops, and failure analysis Are familiar with deep learning frameworks such as PyTorch or JAX Are proficient in Python, including concurrency, asynchronous programming, multiprocessing, and performance optimization Can debug distributed GPU workloads across CUDA runtime, container runtime, driver versions, NCCL ...

Senior Research Scientist | Model Scaling

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
running experiments, and debugging pipelines, and who can carry research results through to production with engineering. Strong coding and experimentation skills (Python, PyTorch/JAX/Tensorflow). Ability to communicate clearly, collaborate across teams, and align research work with product and engineering priorities. Nice to have Experience quantifying uncertainty ...

Applied AI Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
operating production ML systems Comfortable working across models, infrastructure and product Enjoy working in fast-moving, early-stage environments Tech Stack Python * PyTorch * JAX * LLMs * vLLM * Vector Databases * Modern Agent Frameworks Get in touch for more details - McGregor Boyall is an equal opportunity employer and do not discriminate ...

Senior Research Scientist | Multimodal Systems

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
integrating ML systems into production while staying grounded in product impact and real‐world quality. Strong coding and experimentation skills (Python, PyTorch/JAX/Tensorflow), and the ability to communicate clearly and align research with product and engineering priorities. Ability to lead complex research efforts, to communicate clearly ...

Technical Lead, Machine Learning

Hiring Organisation
Consol Partners
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 150,000 - 180,000 Annual
Lead AI Engineer Early employee at a high-growth AI startup Ideal Experience Strong Python software engineering skills Expertise with PyTorch and/or JAX Experience deploying machine learning systems into production Deep knowledge of LLMs and Generative AI Hands-on experience with LoRA, QLoRA, DPO, RLHF, SFT, or related ...