Latest ai researcher Jobs

Engineering Manager (Growth)

Lead a high-impact engineering team focused on user acquisition, activation, and revenue growth through rapid experimentation and optimization of self-service and freemium product pathways. Drive technical strategy at the intersection of product, data, and engineering to improve conversion and user experience. Scale talent and execution velocity while balancing short-term business goals with long-term scalability.

Synthesia London, United Kingdom

Remote Permanent

Senior Performance Engineer

Analyze end-to-end performance of large-scale AI workloads across compute, network, storage, and software stacks. Design and execute performance studies, diagnose bottlenecks, and drive optimizations. Collaborate with deep learning engineers and platform teams to improve AI system performance and efficiency.

NVIDIA United Kingdom

Senior Performance Engineer

This role involves analyzing end-to-end performance of large-scale AI workloads across compute, network, storage, and software stacks. The engineer will design performance studies, identify bottlenecks, and drive optimizations in collaboration with deep learning and platform teams. Work focuses on profiling, benchmarking, and delivering actionable insights to improve the efficiency and reliability of NVIDIA's DGX Cloud AI systems.

NVIDIA

Principal Research Engineer

Lead the end-to-end technical direction of offline video generation for a leading AI video platform, driving large-scale generative model development from pre-training through post-training. Bridge research and product by solving cross-cutting technical challenges in training stability, data pipelines, and alignment. Coach engineers, shape team processes, and accelerate the deployment of state-of-the-art avatar video models at scale.

Synthesia London, United Kingdom

Remote Permanent

IT Engineer

This IT Engineer role involves building and maintaining scalable, secure IT systems across endpoints, identity, office infrastructure, and compliance. You'll work closely with Security and Operations teams to automate processes, manage device fleets, and support global office expansion while ensuring SOC 2 and ISO 27001 compliance. The role emphasizes automation, security, and productivity in a high-growth AI environment.

ElevenLabs London, United Kingdom

Hybrid Permanent

Engineering - ElevenAPI

A Full-Stack Engineer will take full ownership of the ElevenAPI developer dashboard, building and enhancing features across the frontend and backend to improve developer experience. The role involves shipping end-to-end features, designing observability tools, running UI experiments, and contributing to open-source SDKs. The engineer will work in a high-velocity, impact-driven environment with a focus on innovation and developer-centric design.

ElevenLabs United Kingdom

Remote Permanent

Software Engineer, Model Deployment- ChatGPT Engineering

Design and operate software managing large-scale GPU clusters for ChatGPT inference, building automation and observability systems to improve fleet efficiency, reliability, and developer productivity. Work across infrastructure, research, and product teams to optimize compute utilization and build AI-powered operational tooling.

OpenAI London, United Kingdom

Hybrid Permanent

Software Engineer, Platform Systems

Design and build distributed failure detection, tracing, and observability systems to ensure reliable, efficient training of large-scale AI models. Work closely with research and infrastructure teams to debug and optimize performance across custom supercomputing environments. Focus on low-level systems, hardware awareness, and real-time insights into complex distributed workloads.

OpenAI London, United Kingdom

Permanent

Member of Technical Staff - RL Environments

Build and refine reinforcement learning environments to train and evaluate AI agents for enterprise applications. Design tasks, synthetic data pipelines, and verifiers while collaborating with modeling and product teams to close capability gaps. Work in a security-first AI company with a focus on measurable agentic performance and scalable evaluation systems.

Cohere London, United Kingdom

Hybrid Permanent

Member of Technical Staff, North Modelling (Evals)

This role focuses on designing and implementing evaluation systems to measure the real-world performance of AI agents within Cohere’s North platform. You'll translate customer needs, product direction, and usage data into meaningful metrics that guide model development, ensuring improvements align with enterprise workflows like research, document editing, and automation. The position bridges product and modelling teams, requiring deep expertise in applied machine learning evaluation and a strong focus on measurement rigor.

Cohere London, United Kingdom

Hybrid Permanent

Senior Machine Learning Engineer

This role involves designing, developing, and deploying scalable machine learning systems from concept to production. The engineer will own the full ML lifecycle, translating research into robust real-world solutions while working closely with cross-functional teams. Emphasis is placed on performance, reliability, and technical leadership within a small, high-impact team.

Hexwired Recruitment Limited United Kingdom £90,000 – £160,000 pa

Remote Permanent

Technical Deployment Lead

Lead end-to-end technical delivery of custom AI agent solutions for enterprise clients in regulated industries, from scoping to production deployment. Bridge technical and business stakeholders, define MVPs, manage stakeholder expectations, and codify reusable playbooks. The role combines technical leadership with executive engagement to drive successful AI adoption in complex environments.

Anthropic London, United Kingdom £165,000 – £230,000 pa

Research Engineer, Machine Learning (RL Velocity)

As a Research Engineer on the RL Velocity team, you will focus on building and improving the RL training infrastructure, identifying and removing bottlenecks, and partnering with researchers and engineering teams to enhance the efficiency and reliability of Anthropic's AI systems. This role involves high-leverage work that impacts the entire organization's ability to iterate and improve models quickly.

Anthropic London, United Kingdom £370,000 – £630,000 pa

Hybrid Permanent

Research Scientist/Engineer - General Decision & Control Agent

This role involves advancing autonomous AI agent systems with a focus on long-term reasoning, memory, self-improvement, and reinforcement learning. The candidate will conduct foundational research to develop scalable, evolvable agents capable of continuous learning and decision-making in complex environments. Work includes designing memory architectures, self-evolving frameworks, and RL-driven optimisation, with opportunities to publish and contribute to AGI progress.

Adecco London, City And County Of the City Of London, United Kingdom £100,000 – £180,000 pa

Research Infrasructure Engineer

Research Infrastructure EngineerLocation: Hampshire, South Coast / Hybrid Working AvailableThe OpportunityWe're supporting a leading research-led organisation in the search for a Research Infrastructure Engineer to join a specialist team delivering advanced computing platforms that support research, data science and AI...

Tate London City Southampton, United Kingdom £41,000 – £49,000 pa