Machine Learning Jobs

• London
• Hybrid
• Lead · manages people
• Permanent

Sets technical direction for complex AI/ML projects, designing scalable production systems and shared deployment infrastructure with CI/CD pipelines. Leads multiple workstreams in high-risk national security contexts, defining testing and model versioning standards while coaching engineers and defending architectural decisions to senior stakeholders.

Kubernetes · TensorFlow · PyTorch +1

• London
• Hybrid
• Lead · manages people
• Permanent

Lead the technical direction and delivery of complex AI projects for enterprise clients in financial and professional services, acting as primary technical authority from discovery to production. Balance hands-on full-stack work in Python and TypeScript/React with mentoring a squad of engineers and shaping reusable architecture. Distinct for its client-facing, highly regulated context and emphasis on safe, responsible AI deployment.

GitLab · Docker · Kubernetes +1

• 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

• London
• Hybrid · 3 days in office
• Senior · manages people

Lead and contribute to core machine learning research applying large language models to drug discovery, developing and refining LLM-driven approaches across biology and chemistry problems. Work spans post-training, reasoning, test-time scaling, tool-use, alignment, agents and reinforcement learning, with model training and inference engineering in JAX, PyTorch or TensorFlow. Depending on experience, you may also lead standalone projects, mentor ML researchers and shape the research roadmap.

JAX · PyTorch · TensorFlow +3

• London
• Hybrid
• £370,000 – £630,000 pa
• Mid-level

Builds and improves the RL training infrastructure researchers rely on, profiling, debugging and rearchitecting bottlenecks across the stack. Partners with researchers and adjacent engineering teams to ship tooling that speeds up training runs, owning reliability and performance end-to-end.

JAX · PyTorch

• London
• On-site
• £260,000 – £630,000 pa
• Mid-level

Own critical parts of a production pretraining pipeline, covering performance optimization, observability, reliability and hardware debugging across the full stack. The role splits roughly 50/50 between research and engineering, with on-call incident response during model launches and close collaboration with teams in SF and London.

JAX · TPU · PyTorch +3

• London
• Hybrid
• Mid-level
• Permanent

Own a substantial work package end-to-end, defining the problem, setting strategy and sequencing work to ship outcomes for an end-to-end AI driving platform. Lead a cross-functional team of engineers, researchers and PMs without formal authority, translating R&D progress and customer needs into a product roadmap with clear KPIs and milestones.

• London
• Hybrid
• Lead
• Permanent

Cross-functional individual contributor defining software architecture across onboard software, AI, simulation, training, inference and Robotaxi systems. Leads large architectural changes spanning multiple engineering organisations, setting boundaries and interfaces between AI, compute and vehicle systems, and acts as technical tiebreaker on complex decisions.

• London
• On-site
• Mid-level · manages people
• Permanent

Join the Preparedness team to anticipate and mitigate loss-of-control risks from increasingly capable AI systems, potentially culminating in recursive self-improvement. The role spans scalable oversight, automated auditing, monitorability testing, model behaviour science, and coordination/verification mechanisms, alternating between rigorous hypothesis-driven research and building interventions that impact production models.

• 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

• London
• Hybrid
• Senior
• Permanent

Lead the design, build and deployment of production-grade machine learning systems for clients across life sciences, government and finance. Work spans architectural scoping, scalable cloud and Kubernetes infrastructure, and acting as a trusted technical advisor to customers while mentoring junior engineers.

TensorFlow · PyTorch · AWS +4

• Remote (UK)
• Remote
• Senior
• Permanent

Lead the design, build and deployment of production-grade machine learning systems for defence-sector clients, covering architecture, scalable infrastructure and MLOps standards. Work cross-functionally with engineers, data scientists and commercial teams while acting as a trusted technical advisor to customers. Requires eligibility for UK Security Clearance and 2-4 days per week on client sites.

TensorFlow · PyTorch · AWS +4

• Remote (UK)
• Remote
• Mid-level
• Permanent

Deliver bespoke, production-grade machine learning systems for defence clients, spanning the full ML lifecycle from architecture and scoping to deployment. Work with Python, Scikit-learn, TensorFlow or PyTorch, plus cloud platforms and Docker/Kubernetes, embedding ethical AI in high-stakes situations. Requires UK Security Clearance and 2-4 days per week on client sites.

Scikit-learn · TensorFlow · PyTorch +5

• Remote (UK)
• Remote
• Lead
• Permanent

Lead hands-on computer vision work and architect technical solutions for complex defence projects, guiding multidisciplinary teams through the development lifecycle. Act as a primary technical authority, contributing CV expertise to bids, shaping technical strategy, and mentoring team members while deploying SOTA models into production.

Metaview

• Remote (UK)
• Remote
• Lead · manages people
• Permanent

Lead backend and edge/IoT engineering for high-stakes Defence projects, bridging proof-of-concept work and robust production systems. You'll mentor a squad of engineers, design complex components, and build CI/CD and containerisation pipelines in Python and a compiled language like Rust, C++ or Go, working alongside ML engineers and data scientists. Requires UK Security Clearance eligibility and 2-4 days per week on client sites.

GitLab CI/CD · Docker · Kubernetes +1