1 to 25 of 28 Remote/Hybrid JAX Jobs in London

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 ...

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. ...

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 ...

Machine Learning Research Engineer (Foundational Research)

Hiring Organisation
Thomson Reuters
Location
London, UK
Employment Type
Full-time
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 ...

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)

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, ...). Excellent communication skills to report and present research findings and developments clearly, both orally and in writing. Curious and innovative disposition capable ...

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

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 ...

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)

Hiring Organisation
Thomson Reuters
Location
London, United Kingdom
Salary
£ 120 K
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 and present research ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

Football Analytics Research Engineer — Hybrid

Location
London Colney, England, United Kingdom
from data to UI. Applicants should have strong quantitative skills and experience in Python/SQL/TypeScript and PyData stack, plus PyTorch/JAX/TF for model development. #J-18808-Ljbffr ...

Senior Staff Machine Learning Engineer, Content Platform

Location
Greater London, England, United Kingdom
have strong experience building production-grade machine learning systems at scale You are experienced with modern ML frameworks such as PyTorch, TensorFlow, or JAX You have worked with or are interested in multimodal machine learning You understand how to design systems that balance automation with quality, safety, and user experience ...