Jobs in York

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

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

Technical Program Manager, AI Delivery for Public Sector & Defence, UK

This role involves leading end-to-end technical program delivery for AI deployments within UK public sector and defence organisations. The individual will act as a bridge between Cohere’s advanced AI capabilities and government stakeholders, managing complex procurement, security, compliance, and integration requirements. Success requires navigating air-gapped environments, high-stakes governance, and multi-team coordination to ensure responsible, secure, and scalable AI adoption.

Cohere London, United Kingdom

Hybrid Permanent Clearance Required

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

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