Discover the latest E-commerce jobs within the UK ML industry

Senior Software Engineer, RL Post-Training Frameworks

This role involves designing and building scalable reinforcement learning post-training infrastructure that operates efficiently from single-GPU experiments to large-scale distributed systems. You'll optimize training-inference-rollout loops across heterogeneous hardware, contribute to open-source RL frameworks like VeRL and TorchTitan, and collaborate with AI researchers and infrastructure teams to improve distributed runtimes such as Ray and Monarch. The position emphasizes fault tolerance, elastic scaling, and integration with next-generation hardware and deep learning tools.

NVIDIA Germany

Remote Permanent

Senior Software Engineer, RL Post-Training Frameworks

This role involves designing and building scalable reinforcement learning (RL) post-training infrastructure that supports the full lifecycle of training, inference, and rollout across heterogeneous hardware. The engineer will contribute to open-source RL frameworks, optimize distributed systems performance, and collaborate with research and hardware teams to advance AI capabilities. Key challenges include fault tolerance, elastic scaling, and efficient coordination of models across large-scale GPU, CPU, and LPU environments.

NVIDIA

Remote Permanent

Senior Frontend Software Engineer - Simulation Workbench

As a Senior Frontend Software Engineer, you will build and evolve a frontend platform that supports complex simulation and ML workflows, including 3D visualizations and data-heavy interfaces. You will design composable frontend architectures, optimize performance, and mentor junior engineers while driving technical standards and best practices.

PhysicsX London, United Kingdom

On-site Permanent

Senior Software Engineer - AI Workbench

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX London, United Kingdom

Software Engineer - Go & Python (Core Services)

As a Senior Software Engineer on the Core Services team, you will design and build robust authentication, authorization, and access control systems for a multi-tenant AI-driven simulation platform. Your work will focus on creating secure, fine-grained permissions, identity management, and observability infrastructure to support regulated industries and enable secure collaboration among data scientists and simulation engineers.

PhysicsX London, United Kingdom

On-site Permanent

Machine Learning Engineer 1

This role involves developing and maintaining machine learning systems within a privacy-preserving AI ecosystem for the insurance sector. The engineer will translate research into production-grade solutions, focusing on secure deployment, data anonymisation, and compliance with regulatory standards. Collaboration with internal teams and external partners is key, particularly in integrating AI components into sovereign infrastructure and operational workflows.

Aioi Nissay Dowa Europe Oxford, Oxfordshire, United Kingdom £69,350 – £83,386 pa

Hybrid Permanent

Head of Translational Sciences, Drug Design, Cambridge, MA

You will lead the Translational Science strategy, identifying biomarkers and developing assays to guide clinical paths and patient selection. You'll ensure scientific rigor, recruit top talent, and collaborate with computational biology and drug discovery teams to drive innovative drug design projects from early stages to clinical trials.

Isomorphic Labs Cambridge, United Kingdom

On-site Permanent

Principal Scientist, Biologics Drug Discovery

This role involves applying deep biologics drug discovery knowledge to shape program plans, modality choices, and discovery cascades. The Principal Scientist will drive biologics programs from target validation to IND-enabling studies, working closely with computational, ML, and translational teams to translate biological insights into well-designed molecules.

Relation Therapeutics London, United Kingdom

On-site Permanent

Senior Scientist, Biologics Drug Discovery

About RelationRelation is a sector defining TechBio company developing transformational medicines, with technology at our core. Our ambition is to understand human biology in unprecedented ways, discovering therapies to treat some of life’s most devastating diseases. We leverage single-cell multi-omics...

Relation Therapeutics London, United Kingdom

Permanent

Machine Learning Scientist – Reasoning Systems & RL (LLMs / Agents)

As a Machine Learning Scientist, you will develop advanced AI systems to help scientists reason about complex biological problems. You will focus on building LLM-driven reasoning systems and intelligent agents using reinforcement learning, RLHF, and symbolic reasoning, working closely with computational scientists and biologists to integrate large-scale biomedical data and support target discovery.

Relation Therapeutics London, United Kingdom

On-site Permanent