Jobs in York

Spotlight

ML Runtime Engineer

Design and develop high-performance ML runtime systems for AI accelerators, integrating with open-source frameworks like PyTorch and vLLM. Work closely with hardware and software teams in a co-design environment to optimize inference performance. Build low-level runtime components in Rust and contribute to the full stack of ML inference infrastructure.

Fractile London, United Kingdom

Hybrid Permanent

Cash Equity Quant Researcher / London/ New York - Open

This role involves conducting advanced research to identify systematic anomalies in the equities market, developing and implementing trading strategies, and maintaining portfolio trading systems. You will work with large datasets, perform alpha idea generation, and contribute to the scalable research framework.

eFinancialCareers London, United Kingdom

On-site Permanent

Quantitative Researcher

Develop predictive models using high-frequency and alternative data to generate alpha in equities and futures markets. Work closely with developers to implement and optimize ML-driven trading signals, leveraging cutting-edge techniques in deep learning, NLP, and tree-based models within a collaborative research environment.

eFinancialCareers London, United Kingdom £200,000 pa

On-site Permanent

Senior/Staff Software Engineer, Developer Experience

This role focuses on building and maintaining automation infrastructure to support comprehensive testing and continuous deployment across diverse environments. The engineer will develop intelligent testing agents, manage CI/CD pipelines using GitHub Actions, ArgoCD, and Helm, and enable scalable test execution with realistic data and configurations. The position emphasizes infrastructure-as-code, containerization, and benchmarking to improve developer velocity and product reliability.

Cohere London, United Kingdom

Remote 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

Solutions Consultant

The role involves designing and delivering customer onboarding and education programs to drive rapid product adoption and long-term success. The individual will create engaging training content, define onboarding processes, and collaborate with cross-functional teams to improve customer experience and retention. This position plays a key part in shaping how enterprise clients derive value from an AI-powered video platform in their first 90 days.

Synthesia Austin, Texas, United States US$70,000 – US$130,000 pa

Hybrid Permanent

Delivery Engineer - Aerospace & Defense

Lead business development and delivery for AI-driven simulation software within aerospace and defense clients. Drive technical scoping, manage cross-functional teams, and shape product evolution based on customer feedback. Engage with senior engineering leaders and represent the company at industry events, balancing strategic relationships with hands-on project execution.

PhysicsX England US$175,000 – US$250,000 pa

Hybrid Permanent Clearance Required

Machine Learning Engineer

A Machine Learning Engineer will collaborate with simulation engineers, data scientists, and customers to develop AI-driven solutions for engineering and manufacturing challenges. The role involves building scalable ML pipelines, working with 3D point-cloud and mesh data, and translating R&D into deployable tools. The position requires strong software engineering practices and customer-facing delivery, with opportunities for international travel.

PhysicsX United Kingdom £150,000 – £190,000 pa

Remote Permanent

Social Media Associate

This role leads Synthesia's social media presence across major platforms, shaping the narrative around AI, creativity, and the future of work. The person will define the social voice, build resonant content strategies, and act as the 'distribution brain' for in-house content, ensuring it reaches the right audiences with impact. It’s a strategic, creative position focused on cultural relevance and authentic community engagement.

Synthesia London, United Kingdom

Hybrid Permanent

Research Engineer - Inference

The role involves deploying and optimizing cutting-edge AI models for real-time inference, focusing on performance, reliability, and scalability. You'll work across the stack to improve latency, throughput, and cost efficiency, building high-performance serving systems and tooling that bridge research and production. The position emphasizes autonomous problem-solving and deep optimization in GPU and ML infrastructure environments.

ElevenLabs United Kingdom

Remote Permanent

Research Engineer - Web Crawlers

This role involves building and operating large-scale, distributed web crawlers to source high-quality data for training frontier AI models. The engineer will solve challenges in content extraction, deduplication, and recrawl strategies, while designing pipelines for multilingual and multimedia content. They will also develop tooling for researchers to access and monitor crawled data efficiently.

ElevenLabs United Kingdom

Remote Permanent