Latest ai researcher Jobs

Research Engineer, Pretraining

A Research Engineer on the Pretraining team will bridge cutting-edge AI research and large-scale systems engineering, focusing on advancing large language models through work in model architecture, training optimization, and data processing. The role involves deep collaboration across research and engineering, with hands-on contributions to the full stack—from low-level infrastructure to high-level model design. Key projects include optimizing attention mechanisms, scaling distributed training, and improving model interpretability.

Anthropic London, United Kingdom £260,000 – £630,000 pa

On-site Permanent

Research Engineer, Pretraining Scaling - London

This role involves owning critical parts of Anthropic's production pretraining pipeline for large language models, focusing on performance optimization, debugging across hardware and training dynamics, and ensuring reliable, scalable model training. The position requires deep technical expertise in distributed systems and ML frameworks, with hands-on responsibilities during high-pressure model launches and a strong emphasis on operational reliability and cross-team coordination.

Anthropic London, United Kingdom £260,000 – £630,000 pa

On-site Permanent

Senior Software Engineer, AI Inference Systems

Design and optimize high-performance AI inference systems for large-scale models, focusing on GPU kernel development, compiler optimization, and distributed inference frameworks. Work on vLLM, speculative decoding, and MLPerf benchmarking while collaborating across compiler, scheduling, and performance teams. Contribute to open-source and publish research to advance ML systems.

NVIDIA PLN 292,500 – PLN 650,000 pa

Remote Permanent

Senior Software Engineer, AI Inference Systems

This role involves building and optimizing AI inference systems for large-scale models using NVIDIA's latest GPU hardware. You'll work on high-performance inference stacks, GPU kernel optimization, compiler infrastructure, and benchmarking, while collaborating with cross-functional teams. The position emphasizes research contributions, open-source development, and deployment across multi-GPU and cloud environments.

NVIDIA PLN 292,500 – PLN 650,000 pa

Remote Permanent

Protection Scientist Engineer, Intelligence and Investigations

Design and build systems to proactively detect and enforce against abuse on OpenAI's products, including monitoring for new launches and responding to critical escalations. Work cross-functionally with product, policy, and engineering teams to develop scalable safety mitigations and investigate high-risk harms. The role involves handling sensitive content and participating in an on-call rotation for urgent issues.

OpenAI London, United Kingdom

On-site Permanent Clearance Required

PhD Graduate AI & Algorithms Engineer (2026 start)

Work within a multidisciplinary team to design and build intelligent systems using AI and advanced algorithms, applying cutting-edge research to solve real-world client problems. Engage in hands-on development, model training and testing, and contribute to internal R&D initiatives that push the boundaries of state-of-the-art technology. Communicate technical outcomes to both technical teams and external clients in a collaborative innovation environment.

Cambridge Consultants United Kingdom

On-site Permanent Clearance Required

Principal AI & Algorithms Engineer (Defence & Security)

This role involves leading the design and implementation of advanced algorithms for intelligent systems in defence and security contexts, with a focus on machine learning, AI, and sensor processing. You'll act as technical architect on complex projects, mentor engineers, and contribute to client-facing proposals and sales efforts. The position requires security clearance and combines hands-on development with strategic technical leadership in multidisciplinary teams.

Cambridge Consultants United Kingdom

Hybrid Permanent Clearance Required

Forward Deployed AI Engineer

This role involves deploying and integrating generative AI models into pharmaceutical and biotech customers' scientific workflows. The engineer will lead technical scoping, build production-grade API integrations, and ensure seamless deployment within enterprise environments. They will also act as a technical liaison, gathering feedback to inform product and research improvements while working on-site with international partners.

Latent Labs London, United Kingdom, United Kingdom

Hybrid Permanent

Front Office AI Strategy Implementation Specialist - Boutique Hedge Fund - Martis Search

The RoleFront Office AI Strategy & Implementation Specialist – Boutique Hedge FundMartis Search are delighted to be partnering with a successful and highly entrepreneurial Hedge Fund on what we believe is one of the most innovative and forward-looking opportunities currently...

eFinancialCareers London, United Kingdom

Machine Learning Software Engineer, Research

Develop and scale machine learning models for AI-driven physics and engineering simulations, translating research prototypes into robust, production-grade systems. Work across distributed training, cloud infrastructure, and high-performance computing to deliver foundational models used in aerospace, energy, and advanced manufacturing. Collaborate closely with research scientists and engineers to optimize performance and enable real-world impact.

PhysicsX London, United Kingdom

On-site Permanent

Staff Machine Learning Software Engineer, Research

This role involves leading machine learning research initiatives in a high-performance computing environment, focusing on scalable AI models for multi-physics simulation in engineering and science. The engineer will bridge research and production by transforming prototypes into robust, distributed systems, mentoring junior staff, and shaping technical strategy. Work spans cloud and on-premise infrastructure with a strong emphasis on MLOps, software engineering best practices, and real-world deployment across advanced industries.

PhysicsX London, United Kingdom

On-site Permanent

Senior Specialist Solutions Engineer (AI/ML)

Design and implement production-grade machine learning and GenAI solutions on Databricks' platform, with a focus on MLOps, RAG architectures, and LLM deployment. Provide technical leadership during sales cycles by building MVPs, guiding architectural design, and mentoring teams. Create tutorials, lead hackathons, and drive platform adoption through thought leadership in AI/ML innovation.

Databricks London, United Kingdom

On-site Permanent

Senior Specialist Solutions Architect (AI/ML)

Design and implement production-grade machine learning and AI workloads on the Databricks platform, with a focus on GenAI, MLOps, and LLMOps. Lead technical engagements with enterprise customers, build end-to-end AI pipelines, and provide expert guidance on RAG architectures, agentic systems, and AI observability. Mentor internal teams and influence product direction by representing customer needs in AI roadmap discussions.

Databricks London, United Kingdom

Hybrid Permanent

Senior LLM Engineer (RAG & AI Applications)

Design and deploy production-grade LLM applications, integrating AI capabilities into existing software platforms. Work across structured and unstructured data in a high-impact R&D environment, bridging research and engineering. Focus on scalable deployment of RAG and AI systems within a growing tech team.

HAYS Specialist Recruitment Guildford, United Kingdom £75,000 – £125,000 pa

Graduate Technology & AI Innovation Associate

This role involves driving digital transformation by identifying automation opportunities, building internal software tools, and implementing AI-driven solutions to improve business efficiency. The candidate will work closely with management to analyse workflows, develop data dashboards, and prototype innovative technologies that deliver measurable business value. It's a hands-on position focused on leveraging AI, low-code platforms, and data analytics to optimise operations and support strategic decision-making.

Major Recruitment Telford Telford, Shropshire, SY2 5TN, United Kingdom £16 ph

On-site Temporary