Machine Learning Jobs

• United Kingdom
• Remote
• Mid-level
• Permanent

Own the design, build and deployment of LLM-powered agentic workflows for enterprise customers, integrating models with tools, APIs and sensitive data sources. Work across the full product lifecycle on the North AI workspace platform, building reliable, observable and auditable agents, with up to 20-40% travel to customer sites.

North · LLM · RAG +3

• London
• Remote
• Permanent

Designs and oversees data collection tasks with human annotators, applies statistical methods to assess dataset quality, and analyses the robustness and generalisability of large language models. Involves training and fine-tuning LLMs on distributed infrastructure and running experiments with researchers, engineers and annotators to improve model performance.

PyTorch · TensorFlow · JAX

• London
• Hybrid
• £120,000 – £150,000 pa
• Director · manages people

Lead and build a data science function at a fintech, owning strategy across risk, affordability and lending decisioning. Hands-on work designing and deploying machine learning models using credit risk, Open Banking and customer data, with a focus on model governance, MLOps and AI-powered decisioning alongside Product, Engineering and Credit Risk teams.

Python · SQL · MLOps +1

• London

Lead and contribute to interdisciplinary research programmes on how frontier AI systems influence human decisions, designing large-scale studies, RCTs, model evaluations and benchmarks. Work spans computational social science, AI safety, machine learning and cognitive science, with opportunities to publish and engage policymakers and frontier labs.

Claude Code · Codex

• London
• Remote
• Entry level
• Temporary

A four-month, full-time research fellowship focused on empirical AI safety and security projects, using external infrastructure like open-source models and public APIs. Fellows receive direct mentorship from Anthropic researchers, join a shared workspace or work remotely, and aim to produce a public output such as a paper submission.

Large Language Models · Deep Learning Frameworks

• London
• Hybrid
• £165,000 – £230,000 pa
• Lead

Leads delivery of custom agentic AI solutions for enterprise customers, owning engagements from SOW through production deployment. Drives delivery plans, product scoping, stakeholder relationships and ROI measurement while pressure-testing technical decisions alongside Forward Deployed Engineers. Involves up to 25-50% travel and building repeatable delivery patterns for an emerging function.

• Oxford
• Hybrid
• Permanent

Hands-on field robotics role in the Launchpad team, operating, testing and debugging autonomous vehicle systems on real industrial sites. You build your own tooling (Python/Bash, C++, ROS, Linux) and trace faults across the hardware-software boundary, with extensive travel and secondments to the UAE.

ROS · Linux · Git +4

• London
• Hybrid · 3 days in office
• Senior
• Permanent

Senior technical owner for a named portfolio of enterprise customers, acting as the "CTO of your book of business" and shaping AI strategy from pre-sales discovery through production adoption. Owns technical account plans across ChatGPT Enterprise, the OpenAI API, Codex and agentic solutions, leading discovery, architectures, evaluations and proofs of value while coordinating deployment, enablement and partner specialists.

ChatGPT Enterprise · OpenAI API · Codex +1

• United Kingdom
• Remote
• Senior
• Permanent

Own the transformation layer between raw data and business decisions, modelling data in dbt and defining the certified KPI layer for product, finance and company-wide metrics. Partner with Data Engineering on warehouse architecture and turn ambiguous stakeholder questions into trusted, reusable data products, including data served through AI agents.

dbt · BigQuery · Python +4

• Seattle, United States
• Hybrid
• US$200,000 pa
• Lead
• Permanent

Owns core enterprise platform systems and a new suite of APIs exposing Avatar technology to external creative tools, working across Python, React and AWS. Drives multi-month, multi-team projects, translating security, legal and compliance requirements into scalable designs, and evaluates success through observability and reliability metrics.

Python · React · AWS +2

• London
• Hybrid · 3 days in office
• Senior
• Permanent

Senior technical owner for a portfolio of education customers, acting as the "CTO of your book of business" from pre-sales discovery through deployment and adoption. Owns technical account plans across ChatGPT Edu, the OpenAI API and Codex, translating institutional priorities into architectures, adoption roadmaps and use-case portfolios.

ChatGPT Edu · OpenAI API · Codex

• Kraków, Poland
• Hybrid · 2 days in office
• Senior
• Permanent

Senior ML engineer role in a cross-craft data science team building prediction, ranking and personalisation systems for an e-commerce platform. Owns the full ML lifecycle on production systems, from experimentation and training to serving, monitoring and cost management, while coaching others and shaping reusable platform building blocks.

GCP · Vertex AI · BigQuery +6

• London
• Remote
• Lead
• Permanent

Hands-on principal IC role owning the ML platform that lets researchers and product teams train, serve and deploy generative models. Work spans research infrastructure, production serving, internal tooling and increasingly agent-oriented automation, with a focus on reliability, scalability and GPU/cloud cost efficiency. Not a pure ML engineer role; strong generalist systems skills in Kubernetes, Linux and Python are central.

Kubernetes · Terraform · Datadog +4

• London
• Mid-level · manages people

Owns the roadmap and delivery of AI products for transportation, working at the intersection of transport engineering, ML/RL, optimisation and software engineering. Leads a small technical team from problem definition to deployed product, translating domain knowledge into requirements and testing capabilities on live infrastructure projects.

LLM · GIS · BIM

• London
• Hybrid · 3 days in office
• Senior

Translate the company's security strategy into engineering reality, steering a multi-quarter InfoSec roadmap across Cloud Security, Platform IAM and Secure SDLC. Partner directly with engineering and ML teams to secure drug discovery pipelines and Agentic AI workflows, and build data-driven dashboards giving the CISO visibility into program health and risk reduction.

GCP · ISO 27001 · ISO 42001 +6