Latest research engineer Jobs

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 Applied Research Engineer - Video

This role involves developing and scaling latent video diffusion models for human-centric synthetic video generation, with a focus on controllability, training stability, and efficient inference. The engineer will work on distributed training systems, evaluation frameworks, and optimization of production-grade foundation models. The position bridges deep learning research and engineering to deliver high-quality, scalable AI video technology used by major enterprises.

Synthesia London, United Kingdom

Remote Permanent

[Expression of Interest] Research Engineer / Scientist, Alignment - London

This role involves conducting experimental research in AI safety and alignment, focusing on risks from advanced AI systems. You'll design and run machine learning experiments—such as testing safety robustness, developing control methods, and stress-testing alignment—to improve the reliability and steerability of AI. The work is highly collaborative, involving contributions to research papers and close coordination with teams like Interpretability and Fine-Tuning.

Anthropic London, United Kingdom £260,000 – £370,000 pa

Hybrid Permanent

Applied AI Engineer

This role involves designing and building production-grade AI systems using LLMs, RAG, and related technologies. You will work closely with research and engineering teams, take ownership of technical problems, and provide guidance to junior engineers in an Agile/Scrum environment.

SoCode London, United Kingdom £120,000 – £140,000 pa

Principal Engineer - Human-Centric Technologies (Defence & Security)

This role involves designing and developing human-centric intelligent systems, conducting human subject studies, and translating scientific insights into engineering requirements. The Principal Engineer will lead complex projects, mentor team members, and contribute to business development and technical direction.

Cambridge Consultants United Kingdom

Applied AI Engineer, Quants

This role involves working directly with quantitative investment and trading firms to apply OpenAI’s models and Codex to their research and development workflows. Responsibilities include identifying valuable opportunities, building and deploying AI systems, and guiding technical decisions to ensure production readiness and sustained adoption.

OpenAI London, United Kingdom

Hybrid Permanent

Senior Performance Engineer | AI Infrastructure | Cambridge

This role involves working between research and engineering teams to build performance models and calculators that optimize AI infrastructure. You'll analyze real-world training and inference runs to provide actionable insights that influence hardware and system decisions for the organization and its members.

Pure Resourcing Solutions Dry Drayton, Cambridgeshire, United Kingdom £90,000 – £120,000 pa

Hybrid

Staff ML Engineer Gaia

As a Staff ML Engineer on Gaia, you will lead and execute large-scale training runs for video foundation models, contribute to model architecture and training strategies, and improve world-model capabilities for synthetic scenario generation. You will work closely with research, applications, simulation engineering, and cloud/infrastructure teams to deliver end-to-end impact in a fast-paced, results-focused environment.

Wayve London, United Kingdom

Senior Machine Learning Engineer - AV Core

As a Senior Machine Learning Engineer, you will lead the development of large-scale data curation and mining techniques, focusing on rare events and model introspection for robust driverless operation. You will collaborate with research, simulation, and engineering teams to enhance the safety and performance of Wayve's autonomous driving systems.

Wayve London, United Kingdom

Senior Solutions Architect – Large Scale AI Training

This role involves working closely with leading AI research institutions and model builders across EMEA to solve complex challenges in large-scale distributed training and alignment of neural networks. The Senior Solutions Architect will guide customers on optimizing training efficiency, infrastructure, and software stacks using NVIDIA's full AI training platform, including tools like Megatron-LM, NeMo, and Nemotron. The position bridges technical expertise, customer engagement, and product feedback, with a strong focus on cutting-edge AI workloads such as Mixture-of-Experts models and reinforcement learning-based fine-tuning.

NVIDIA PLN 292,500 – PLN 507,000 pa

Senior Solutions Architect – Large Scale AI Training

This role involves working closely with leading AI research institutions and model builders across EMEA to solve complex challenges in large-scale distributed training and alignment of neural networks. You will guide customers on optimizing infrastructure and software stacks for training foundation models, including MoE and reinforcement learning workflows, while influencing NVIDIA's product roadmap. The position bridges cutting-edge research and engineering, with a focus on real-world deployment of advanced AI training techniques using frameworks like PyTorch, Megatron-LM, and NeMo.

NVIDIA France PLN 292,500 – PLN 507,000 pa

Postdoctoral Researcher in Large Language Model Development

The role involves curating and processing multilingual humanities data, pre-training and fine-tuning large language models, and developing evaluation benchmarks. You will work closely with subject specialists and contribute to open-source research and publications.

University of Oxford Oxford, South East England, United Kingdom £39 – £41 pa

Contract

Member of Technical Staff, Pre-Training Data

This role involves developing and optimizing the data pipeline for Cohere's advanced language models. Responsibilities include conducting data ablations, experimenting with data mixtures, and collaborating with cross-functional teams to enhance model performance and efficiency.

Cohere London, United Kingdom

Remote Permanent

Senior Member of Technical Staff, Synthetic Data

This role involves designing and building scalable inference pipelines for synthetic data, conducting data ablations, and implementing innovative synthetic data curation methods. You will work with large-scale datasets and collaborate with cross-functional teams to enhance model performance and drive advancements in natural language processing.

Cohere London, United Kingdom

Remote 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