1 to 25 of 34 Remote/Hybrid Permanent JAX Jobs

AI Engineer – LLMs, NLP & Market Intelligence

Location
Greater London, England, United Kingdom
keywords. Useful experience Experience with some of the following would be valuable, but we do not expect you to know everything: PyTorch, TensorFlow or JAX Hugging Face LLM APIs and open-source models RAG and vector databases Apache Airflow AWS S3 ECS/EKS Redshift Docker Kubernetes GitHub Actions Pulumi ...

Senior / Staff Machine Learning Scientist May 14, 2026

Location
Glasgow, Scotland, United Kingdom
Senior) or 8+ years (Staff) of hands‐on applied ML experience, including production‐grade work. Deep familiarity with modern deep learning stack (PyTorch or JAX), and breadth across at least two of: generative models (diffusion, autoregressive, flow‐based), graph and equivariant networks, vision (CNNs, ViTs, multimodal LLMs), search and planning ...

Machine Learning Research Engineer (Foundational Research)

Hiring Organisation
Thomson Reuters
Location
London, United Kingdom
Salary
£ 80 K
with strong software engineering practicesDemonstrated expertise in building production-quality code and data pipelines for ML systemsProficiency in modern AI development frameworks including: PyTorch, Jax , HuggingFace Transformers, LLM APIs (litellm etc) and vLLM for building and deploying large-scale AI applicationsUnderstanding of LLM training methodologies including instruction fine-tuning, preference ...

AI Engineer

Location
Greater London, England, United Kingdom
C++ or Java A strong background in the mathematical foundations of core ML algorithms, paired with hands‐on experience using deep learning frameworks (PyTorch, JAX, TensorFlow), agentic orchestration ecosystems (LangGraph, Google ADK), and Model Context Protocol tooling (RustMCP) Strong written and verbal communication skills to document your work effectively ...

2026/Q1 - Senior Quantitative Modeller [Closed]

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. ...

Deployed AI Engineer

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 ...

Research Scientist, LLM Agents (Foundational Research)

Hiring Organisation
Thomson Reuters
Location
London, United Kingdom
Salary
£ 60 K
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, ...)Excellent communication skills to report and present research findings and developments clearly, both orally and in writing.Curious and innovative disposition capable of devising ...

Manager, Lead Research Scientist, Training Data (Foundational Research)

Location
Greater London, England, United Kingdom
EMNLP, NAACL, ICLR) ) with specific focus on training data curation, synthetic data generation, etc.* 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 ...

Senior Research Scientist FMTA

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
DeepL
Location
London, United Kingdom
Salary
£ 80 K
physics, 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 academic ...

ML Research Engineer, London

Hiring Organisation
Isomorphic Labs
Location
London, United Kingdom
Salary
£ 80 K
Mathematics, etc.) or equivalent practical experience.ML Fundamentals: Deep understanding of machine learning principles and techniques.Framework Expertise: Strong proficiency in deep learning frameworks such as JAX or PyTorch.Modern Architectures: Hands-on experience building and working with modern model architectures (e.g., Transformers, GNNs, Diffusion Models).Full ML Lifecycle: Experience taking models from ...

Agentic AI Software Engineer

Hiring Organisation
Adecco
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Infrastructure as Code, and DevOps practices Production support, monitoring, observability, and incident management Experience with AI/ML frameworks such as PyTorch, TensorFlow, or JAX Exposure to LLMs, RAG, Agentic AI, model serving, or MLOps environments What's on Offer? Work on innovative AI and Agentic AI solutions Hybrid working ...

Machine Learning Engineer - Agentic AI & Reinforcement Learning

Location
Crawley, England, United Kingdom
equivalent practical experience. Strong Python programming and software‐engineering skills. Experience developing machine‐learning, generative AI or LLM applications. Practical experience with PyTorch, JAX, TensorFlow or a similar framework. Understanding of agentic AI concepts such as tool calling, planning, memory and workflow orchestration. Knowledge of reinforcement learning, preference optimisation ...

Senior Security Engineer (AI Safety), London, Lausanne

Hiring Organisation
Isomorphic Labs
Location
London, United Kingdom
Salary
£ 80 K
Legal, Compliance, and external partners like Google DeepMind.Skills and qualifications EssentialAI/ML Engineering: Deep conceptual and practical understanding of deep learning frameworks (e.g., JAX, PyTorch, TensorFlow), large-scale cloud training or inference infrastructure, and LLM ecosystems.Adversarial ML Mindset: Strong familiarity with AI security threat vectors (prompt injection, model inversion ...

Research Engineer / Scientist, Post-training - London

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 ...

Research Scientist (Applied LLMs), London

Hiring Organisation
Isomorphic Labs
Location
London, United Kingdom
Salary
£ 60 K
agents, LLM research, as well as reinforcement learning and fine-tuning Strong knowledge of linear algebra, calculus and statistics.Experience using ML frameworks such as JAX, PyTorch, or TensorFlow, and scientific software such as NumPy, SciPy, or Pandas.Depending on your experience: project supervision, leadership, or management.Strong knowledge of LLM landscape today ...

Agentic AI ML Engineer — RL, LLMs & Multi-Agent (Hybrid)

Location
Crawley, England, United Kingdom
language models, retrieval systems and domain-specific tools. Qualifications include a degree in CS or related field, strong Python, and experience with PyTorch/JAX/TensorFlow; familiarity with agentic AI concepts and RL is essential. #J-18808-Ljbffr ...

Machine Learning Engineer

Location
Greater London, England, United Kingdom
creative teams to turn ML capabilities into compelling experiences What We’re Looking For: Strong knowledge of Python Experience writing models in PyTorch or JAX A good understanding of how large language models work Comfortable working along the whole ML pipeline: from data preparation to model design, training and evaluation ...

Research Scientist (Machine Learning), London

Hiring Organisation
Isomorphic Labs
Location
London, United Kingdom
Salary
£ 60 K
learning techniques, including designing new architectures, hands-on experimentation, analysis, and visualisation.Strong knowledge of linear algebra, calculus and statistics.Experience using ML frameworks such as JAX, PyTorch, or TensorFlow, and scientific software such as NumPy, SciPy, or Pandas.A passion for applying ML research to real world problems.Depending on your experience: project ...

Research Scientist (Machine Learning), London

Hiring Organisation
Isomorphic Labs
Location
London, UK
Employment Type
Full-time
including designing new architectures, hands-on experimentation, analysis, and visualisation. Strong knowledge of linear algebra, calculus and statistics. Experience using ML frameworks such as JAX, PyTorch, or TensorFlow, and scientific software such as NumPy, SciPy, or Pandas. A passion for applying ML research to real world problems. Depending on your ...

Senior Research Scientist | Model Scaling

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 ...

Senior Research Scientist | Model Steering

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 ...

Machine Learning Researcher

Hiring Organisation
Intellectual Capital Resources
Location
Oxford, Oxfordshire, United Kingdom
Salary
£ 60 K
silicon. What they’re looking for: Degree in Physics/Engineering/Electronics and a PhD in Machine Learning Strong Python + PyTorch/JAX skills Publication record in ML or EDA venues Ability to move between research and implementation Clear communication across ML and circuit‐design audiences Experience modelling ...

Machine Learning Engineer

Hiring Organisation
Intellectual Capital Resources
Location
Oxford, Oxfordshire, United Kingdom
Salary
£ 80 K
silicon. What they’re looking for: First degree in relevant STEM subject 3+ years in industry building production ML systems Python + PyTorch/JAX expertise for training, inference, and model export Experience building data pipelines for complex scientific/engineering datasets Solid software engineering fundamentals - testing, CI/ ...

Research Engineer (LLM Performance), London

Hiring Organisation
Isomorphic Labs
Location
London, United Kingdom
Salary
£ 80 K
impacting real world drug design programs.Skills and qualifications Essential:Significant experience with large scale distributed training of LLMs.Experience with deep learning ML frameworks (either JAX or PyTorch).Knowledge of parallelism strategies and collective communication libraries (e.g. NCCL).Good understanding of GPU architectures. Reasoning about performance concepts is more important than ...