Jobs in York

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

Solutions Architect - Nordics

As a founding Solutions Architect for Cohere in the Nordics, you will play a key role in growing the company's business in the region. You will work closely with account executives, partners, and the executive leadership team to demonstrate the value of Cohere's AI technology, design and deploy customer pilots, and gather feedback to enhance products.

Cohere London, United Kingdom

Remote Permanent

Senior Machine Learning Engineer

A Senior Machine Learning Engineer will lead the deployment of AI models into production environments for engineering and physics simulations, working closely with customers and cross-functional teams. The role involves building scalable ML pipelines, mentoring engineers, and traveling globally to co-develop solutions on-site. The engineer will work with 3D data, CAE/CFD/FEA models, and time-series forecasting, translating R&D into robust, reusable tools.

PhysicsX England US$200,000 – US$250,000 pa

On-site Permanent Clearance Required

Deployment Lead

Lead end-to-end deployment of a Kubernetes-based AI simulation platform into customer environments, serving as the primary technical liaison for C-suite stakeholders while building and scaling regional deployment teams. The role combines hands-on infrastructure leadership with executive engagement, ensuring deployments meet technical, security, and compliance standards in highly regulated industries such as aerospace, energy, and semiconductors.

PhysicsX England

Hybrid Permanent Clearance Required

Full-Stack Engineer (Back-End Leaning)

This role involves building and maintaining scalable backend systems that power AI-driven voice and creative tools used by millions. You'll work on enhancing platform functionality, integrating with enterprise solutions, and improving infrastructure performance and security. Collaboration with frontend, growth, and sales teams ensures customer needs are met through robust, innovative engineering.

ElevenLabs United Kingdom

Remote Permanent

Data Engineer

The role involves building and scaling data pipelines for ElevenLabs' Growth team, with a focus on data quality, self-service access, and automation. You'll implement dbt best practices, develop tooling to empower cross-functional teams, and create AI agents to answer data queries. The position emphasizes scalable data infrastructure and collaboration across engineering, revenue operations, and growth functions.

ElevenLabs United Kingdom

Remote Permanent

Member of Technical Staff, Training Infra Engineer

This role involves designing and writing high-performance software for training AI models, improving training infrastructure, and collaborating with top researchers. You will work on state-of-the-art models and contribute to both engineering and research efforts.

Cohere London, United Kingdom

Remote Permanent

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

Member of Technical Staff, Integration/RL Team (Research Engineer)

This role involves developing and scaling machine learning algorithms and infrastructure for large-scale, distributed reinforcement learning. You will design and implement high-performance software, optimize post-training algorithms, and collaborate with engineering and scientific teams to enhance the quality of the post-training codebase.

Cohere London, United Kingdom

Remote Permanent

Forward Deployed Engineer, Agentic Platform (UK/Europe)

This role involves working closely with enterprise customers to design, build, and deploy AI-powered agents that solve complex business problems. You will lead the development of agentic workflows using LLMs, ensuring reliability, security, and performance, while also contributing to the North AI workspace platform.

Cohere London, United Kingdom

Hybrid Permanent

Senior Research Scientist, Model Evaluation

This role involves creating new evaluation benchmarks for large language models (LLMs), working with cross-functional teams to refine evaluation methods, and building scalable tools to measure model performance. The focus is on advancing the state-of-the-art in LLM evaluation and ensuring rigorous, repeatable assessments.

Cohere London, United Kingdom

Hybrid 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 Intern (Winter 2027)

As a Software Engineer Intern, you will work on building user-facing products, scaling API platforms, designing data pipelines, and implementing scalable services. You'll have the opportunity to contribute to high-impact projects and collaborate closely with experienced team members.

Cohere London, United Kingdom

Remote Internship

Research (Winter 2027)

This role involves collaborating with Cohere researchers on cutting-edge machine learning research, building and training large language models, and contributing to research initiatives with practical applications in product development. The intern will work on projects related to base model training, retrieval augmented generation, data and evaluation, safety, and finetuning.

Cohere London, United Kingdom

Remote Internship

Senior Member of Technical Staff, Web Data

This role involves developing and maintaining large-scale web data pipelines for pre-training advanced language models. Responsibilities include processing web corpora, filtering and quality-scoring systems, and collaborating with cross-functional teams to enhance model performance.

Cohere London, United Kingdom

Remote Permanent