Latest Research Scientist Jobs

Front-End Development and Conversion Rate Optimization (CRO) Manager

Lead the design and execution of a data-driven experimentation program to optimize conversion across marketing sites, landing pages, and onboarding flows. Collaborate with cross-functional teams to build, test, and iterate on front-end experiences using A/B testing and analytics tools. Drive measurable improvements in signup, activation, and revenue through rigorous statistical analysis and rapid iteration.

ElevenLabs United Kingdom

Remote Permanent

Full-Stack Engineer (Back-End Leaning)

Build and maintain scalable backend systems powering AI voice and creative tools used by millions. Work across platform, product, and infrastructure to integrate cutting-edge AI models, improve developer APIs, and strengthen cloud-native systems. Collaborate with frontend, growth, and sales teams to deliver intuitive, secure, and high-performance solutions.

ElevenLabs United Kingdom

Remote Permanent

Senior Security Researcher

As a Senior Security Researcher, you will focus on AI systems, contributing to rapid prototyping and open-ended research. You will investigate trends in generative AI security, research attacker tradecraft, and provide feedback to product and development teams.

Darktrace Cambridge, CB2 3BJ, United Kingdom

Hybrid Permanent

Senior Security Researcher

This role involves researching emerging threats in generative AI systems, including prompt injection, poisoning, and extraction attacks. The candidate will investigate attacker tradecraft, provide actionable feedback on product performance, and collaborate with machine learning and product teams. Work includes both rapid prototyping and open-ended research to enhance AI-driven cyber resilience.

Darktrace London, UB8 1LQ, United Kingdom

Hybrid Permanent

Professor / Associate Professor / Assistant Professor in AI/Robotics for Aircraft Maintenance / Low-Altitude Economy / Satellite and Space Engineering under Strategic Hiring Scheme

Professor / Associate Professor / Assistant Professor in AI/Robotics for Aircraft Maintenance / Low-Altitude Economy / Satellite and Space Engineering under Strategic Hiring Scheme (two posts) (Ref. 260821001)Rooted in 90 years of heritage and intellectual achievement, The Hong Kong Polytechnic...

The Hong Kong Polytechnic University Hong Kong - Hong Kong, Asia & Middle East, United Kingdom

Permanent

Director, Forward Deployed Engineering

Leads end-to-end delivery of AI agent systems for Fortune 500 clients, managing a team of forward deployed engineers who integrate cutting-edge AI into enterprise operations. Translates complex business challenges into technical roadmaps, ensures production-grade reliability, and drives product improvements through field feedback. Focuses on scaling deployment efficiency and building reusable platform capabilities from customer engagements.

Scale AI London, United Kingdom

On-site Permanent

Staff Software Engineer, Kubernetes Platform

This role involves owning and scaling Kubernetes control plane components to support Anthropic's large-scale AI training infrastructure. You'll extend the scheduler for topology-aware and gang scheduling of ML workloads, operate core cluster services like service discovery, and ensure high availability across multi-cloud accelerator fleets. The work is deeply technical, focusing on reliability and performance at extreme scale in collaboration with research and inference teams.

Anthropic London, United Kingdom £325,000 – £485,000 pa

Machine Learning Engineer, Platform

This role involves building and owning end-to-end machine learning components within a generative AI platform, with a focus on retrieval systems, knowledge representation, and RAG pipelines. The engineer will design and implement systems for knowledge retrieval, vector indexing, and context engines that power enterprise AI agents. Work includes developing evaluation frameworks, integrating with enterprise data sources, and collaborating across ML, product, and infrastructure teams to deliver high-impact AI solutions.

Scale AI London, United Kingdom

Hybrid Permanent

Lead AI Researcher

The Lead AI Researcher will lead the development and deployment of cutting-edge deep learning systems for high-stakes defence and national security applications. This founding role involves solving ambiguous, mission-critical problems from concept to production, designing advanced AI models, and establishing engineering standards and tooling for a world-class team. Day-to-day work includes close collaboration with leadership to translate operational needs into technical solutions, training and deploying frontier models, and building robust ML infrastructure in a rigorous, security-conscious environment.

Kangal AI London, United Kingdom £100,000 – £200,000 pa

On-site Permanent

AI Software Engineer

Develop and maintain production-grade AI-powered software applications using machine learning and generative AI technologies. Work within a collaborative engineering team to build scalable backend services, integrate leading AI models like OpenAI and Anthropic, and deploy intelligent solutions on cloud platforms. Focus on delivering practical, enterprise-ready AI applications rather than research.

Oscar Technology Leicester, LE1 5YA, United Kingdom £65,000 – £75,000 pa

Applied AI Engineer

Applied AI Engineer (C# .NET) - Nottingham - Hybrid (2 days a week in office) - £80,000We're working with an ambitious technology company developing intelligent software products used by thousands of customers across the UK and internationally. They're investing heavily...

Oscar Technology Nottingham, United Kingdom £70,000 – £80,000 pa

Senior Machine Learning Engineer

Design and implement high-performance machine learning models using C++, CUDA, and PyTorch, with a focus on GPU acceleration and advanced AI applications. Work on cutting-edge research involving Transformers and computer vision to deliver real-world AI solutions. Collaborate within a skilled technical team on innovative projects in a hybrid London-based role.

Hexwired Recruitment Limited London, United Kingdom £60 – £80 ph

Hybrid Contract

Technical Product Manager

This role involves leading the end-to-end development of Voice AI products, from discovery and definition to delivery and iteration, with a strong focus on customer value and data-driven improvement. The Technical Product Manager will conduct customer interviews, shape the product roadmap using market and technical insights, and collaborate closely with ML researchers, engineers, and GTM teams. The position emphasizes technical credibility, comfort with ambiguity in fast-moving AI environments, and active contribution to building a high-impact product culture.

Speechmatics London, United Kingdom

Technical Product Manager

This role involves leading the end-to-end development of Voice AI products, from discovery to delivery, with a strong focus on customer value and data-driven iteration. You'll collaborate closely with ML researchers, engineers, and GTM teams to shape technically grounded product decisions in a fast-moving AI environment. The position emphasizes technical credibility, customer insight, and roadmap ownership within a lean, high-impact product function.

Speechmatics Cambridge, United Kingdom

Machine Learning Engineer

Develop and deploy innovative machine learning models for real-world applications, from research through to production. Work in a multidisciplinary R&D team, rapidly prototyping and optimising solutions using cutting-edge techniques. Focus on solving complex technical problems with practical AI/ML implementations.

Hexwired Recruitment Limited Cambridge, Cambridgeshire, United Kingdom £60,000 – £120,000 pa