Latest AI Engineer Jobs

Senior Machine Learning Infrastructure Engineer, Research

This role involves building and operating scalable ML infrastructure for training and serving large physics models, with a focus on distributed training optimization, data pipeline performance, and model deployment. You'll work closely with research scientists and ML engineers in a high-impact R&D environment, solving systems-level challenges in GPU clusters and HPC workflows. The position emphasizes end-to-end ownership of research infrastructure, reproducibility, and developer experience for fast iteration.

PhysicsX United Kingdom

CFD Multiphase & DEM Engineer

This role involves developing high-fidelity multiphase CFD models for industrial applications in bioprocess and chemical engineering, integrating them with AI-driven simulation workflows. The engineer will work end-to-end on multi-physics simulations, from geometry and meshing to solver development and validation against experimental data. A key focus is automating and scaling CFD workflows to enable design optimisation and support machine learning pipelines in collaboration with clients across advanced industries.

PhysicsX United Kingdom

Hybrid Permanent

Machine Learning Engineer, Global Public Sector

Design and build reliable, multi-step agentic systems for high-stakes government applications, focusing on AI safety, red-teaming, and model optimization in regulated environments. Develop novel architectures and evaluation frameworks to ensure sovereign AI systems are performant, unbiased, and production-ready at scale.

Scale AI United Kingdom

On-site Permanent Clearance Required

Engineering Manager, Infrastructure

Lead a team building scalable, secure infrastructure to deploy AI applications in enterprise environments. Focus on production reliability, platform automation, and bridging AI research with real-world deployment. Work closely with product and security teams to improve developer velocity and operational excellence.

Scale AI London, United Kingdom

Hybrid Permanent Clearance Required

Senior Machine Learning Engineer

Lead the development and deployment of cutting-edge, production-grade machine learning systems for high-impact clients, particularly in the defence sector. Design scalable ML infrastructure, define best practices for ML deployment, and act as a technical advisor while mentoring junior engineers. Work in a cross-functional environment with strong emphasis on ethical, reliable AI and client collaboration.

Faculty AI London, United Kingdom

Hybrid Permanent Flexible Clearance Required

Full Stack Software Engineer

Build and scale AI-powered full-stack systems for global clients in regulated industries, collaborating with data scientists and product managers. Take ownership of frontend and backend architecture, turning machine learning outputs into production-ready solutions. Work in a technically rigorous environment focused on responsible AI deployment and long-term maintainability.

Faculty AI London, United Kingdom

Hybrid Permanent

Software Engineer (Python)

Develop and prototype innovative cybersecurity solutions as part of a cross-functional R&D team, focusing on advancing Darktrace’s AI-driven threat detection capabilities. Work on projects spanning rapid prototyping to structured development of core platform features, using Python and containerized environments. Collaborate with engineers, designers, and strategists to enhance the speed, scale, and intelligence of cyber resilience systems.

Darktrace Cambridge, CB2 3BJ, United Kingdom

IT Engineer

The IT Engineer will play a key technical role in scaling ElevenLabs' global IT infrastructure during a period of rapid growth. Responsibilities include managing identity systems, endpoint security, office networks, and compliance, while automating IT processes across a distributed environment. The role works closely with Security and Operations to ensure secure, reliable, and productive systems for a globally remote workforce.

ElevenLabs London, United Kingdom

Hybrid Permanent

Data Engineer

Design and scale data pipelines from ingestion to delivery, implement dbt best practices, and build self-service tooling to enable cross-functional teams to access and use data independently. Develop AI agents to answer data queries and ensure data quality across systems.

ElevenLabs United Kingdom

Remote Permanent

Frontend Software Engineer (JavaScript / TypeScript & React)

Develop and maintain dynamic, accessible user interfaces for a cutting-edge cybersecurity platform using React, TypeScript, and modern frontend practices. Collaborate with UX designers, backend engineers, and product teams to deliver scalable, high-performance UI components across network, cloud, and email security products. Focus on responsiveness, accessibility (WCAG), and integration with backend systems via APIs.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Hybrid Permanent

ML Research Engineer, London

Develop and optimise cutting-edge AI models at the intersection of machine learning and drug discovery, translating research into scalable, production-ready systems. Work closely with scientists to build predictive and generative models using advanced deep learning techniques, with a focus on innovation in computational biology and chemistry. Contribute to a collaborative, interdisciplinary team advancing a digital biology platform for transformative medicine development.

Isomorphic Labs London, United Kingdom

On-site Permanent

Senior Software Engineer (Inference Platform), London

Design and optimize large-scale AI/ML infrastructure for biotech research, focusing on GPU/TPU systems, Kubernetes orchestration, and inference platform reliability. Build robust monitoring, CI/CD, and job scheduling systems to support high-throughput model serving and digital biology breakthroughs.

Isomorphic Labs London, United Kingdom

On-site Permanent

ML Platform Engineer

This role involves designing and improving the ML platform systems that support model training, evaluation, and production serving at scale. The engineer will build infrastructure and internal tooling to enhance reliability, scalability, and automation, with a focus on reducing operational overhead for researchers and product teams. Work includes developing agentic workflows, optimizing GPU-based workloads, and improving observability and developer experience across distributed systems.

Synthesia London, United Kingdom

Remote Permanent

Senior ML Engineer

Design and deploy production-grade NLP systems and large language models tailored for financial services, with a focus on scalability, data governance, and regulated environments. Develop fine-tuned, low-latency AI workflows integrated into cloud infrastructure, while mentoring engineers and advancing evaluation methodologies for LLM outputs. Work across the full ML lifecycle from research to deployment in a remote-first, innovation-driven team.

Aveni United Kingdom

Remote Permanent

Senior Software Engineer

Design and build scalable, cloud-native systems and user interfaces that integrate LLM-powered capabilities into financial workflows. Work closely with AI and product teams to deliver production-ready agentic systems on AWS. Focus on event-driven microservices, React front-ends, and robust APIs using Node.js and TypeScript.

Aveni United Kingdom

Remote Permanent