Latest experimentation scientist Jobs

Data Scientist II, RufusX Science UK

This role involves developing and optimizing large language models to enhance the conversational AI capabilities of Rufus, Amazon's shopping assistant. Responsibilities include designing evaluation frameworks, conducting A/B tests, and collaborating with cross-functional teams to improve customer engagement and system performance.

Amazon London, United Kingdom

On-site Permanent

Data Scientist II, Alexa for Shopping Science UK

This role involves developing and optimizing AI-driven conversational shopping experiences for Alexa, focusing on multimodal interactions that combine text, images, audio, and video. The Data Scientist will analyze large-scale datasets using machine learning and NLP to improve product recommendations, customer engagement, and search accuracy. Work includes designing experiments, building predictive models, and collaborating with engineering teams to deploy scalable solutions in a research-rich environment.

Amazon London, United Kingdom

Hybrid Permanent

Data Scientist

This role involves hands-on data science work, contributing to the design, analysis, and build of solutions for real business problems. You will work on multiple projects, collaborate with engineers and analysts, and focus on production-focused initiatives with tangible impact.

Guidant Global London, United Kingdom £600 – £850 pd

On-site Contract Clearance Required

Research Scientist (Machine Learning), London

A Research Scientist in Machine Learning will develop novel deep learning models and algorithms to accelerate drug discovery at Isomorphic Labs. Working in an interdisciplinary environment, they will apply cutting-edge AI techniques to complex biological and chemical problems, iterating closely with domain experts to advance predictive and generative models for rational drug design.

Isomorphic Labs London, United Kingdom

Hybrid Permanent

Research Scientist (Machine Learning), Lausanne

A Research Scientist in Machine Learning will develop novel AI models and algorithms to accelerate drug discovery, working in an interdisciplinary team to solve complex problems in computational biology and chemistry. The role involves designing deep learning architectures, training models, and collaborating with domain experts to translate AI insights into real-world therapeutic breakthroughs.

Isomorphic Labs United Kingdom

Hybrid Permanent

Data Scientist

This role involves developing advanced data science solutions using Bayesian inference, probabilistic modelling, and machine learning to tackle complex scientific and industrial challenges. You'll work on proprietary tools and real-world applications in sustainable industry and molecular discovery, contributing to both client projects and core technology development. The position offers deep technical engagement with opportunities to collaborate with academic researchers and influence the company’s scientific direction.

JobHeron London, United Kingdom £54,000 – £58,000 pa

Hybrid Permanent

Data Scientist - Ecommerce, Marketing & Commercial Operations

This leading international Manufacturing & Retail Company is seeking a commercially focused and technically capable Data Scientist to join their Finance team to support a high growth phase into new markets.Client DetailsLeading international Manufacturing & Retail CompanyDescriptionThis leading international Manufacturing...

Michael Page Hinckley, Leicestershire, LE10 1NT, United Kingdom £45,000 – £50,000 pa

Senior Data Scientist

This role involves designing and building end-to-end machine learning systems that automatically generate, deploy, and improve custom models for individual customers. You'll work with large-scale behavioural data, applying advanced ML techniques and experimentation to drive product impact. The position offers technical ownership and direct influence on product strategy within a high-growth startup environment.

Data Idols London, United Kingdom £85,000 – £95,000 pa

Hybrid Permanent

Lead Data Scientist

As the Lead Data Scientist, you will own the machine learning and predictive modelling capabilities, working closely with founders and industry experts to design and build scalable forecasting systems. Your role involves applying machine learning, experimentation, and feature engineering to improve prediction accuracy and drive customer outcomes, while also shaping product strategy and best practices in a fast-moving startup environment.

Data Idols London, United Kingdom £85,000 – £95,000 pa

Hybrid Permanent

Product Data Scientist

This role involves owning the full analytical lifecycle for product development, from defining problems to delivering insights that influence decisions. You will design and run experiments, build models, create dashboards, and work closely with product, engineering, and commercial teams to shape product strategy.

Harnham - Data and Analytics Recruitment London, United Kingdom £75,000 – £85,000 pa

Hybrid Permanent

Commercial Data Scientist

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US.As AI continues to shape...

Synthesia London, United Kingdom

Remote Permanent

Senior Research Data Scientist

As a Senior Research Data Scientist, you will lead the development of advanced AI models and capabilities, focusing on transformer-based architectures and generative AI. You will collaborate with senior leaders, engineers, and academic partners to translate innovative research into scalable solutions that drive business value and strategic growth.

dunnhumby London, United Kingdom

On-site Permanent

Senior Data Architect

This role involves developing machine learning models to transform complex sensor and telemetry data—such as heart rate, movement, and stress indicators—into real-time behavioural and operational insights. The focus is on building inference systems for anomaly detection and baselining within a low-latency, streaming data environment. You'll work closely with AI and engineering teams to deploy models into production, solving high-impact problems in public safety through cutting-edge wearable and IoT data.

Reed Nw14Lb, NW1 4LB, United Kingdom £60,000 – £90,000 pa

Hybrid Permanent Clearance Required

Lead Data Analyst

This role involves leading a growing data science team, driving advanced analytical projects, and delivering commercial impact for major consumer brands. Responsibilities include experimentation, modelling, cloud deployment, and mentoring data scientists.

Harnham - Data and Analytics Recruitment London, United Kingdom £55,000 – £65,000 pa

Hybrid Permanent

Data Science Team Leader

Leads a data science team focused on improving estimated delivery times and logistics predictions within a global food delivery platform. Translates business challenges into data-driven solutions, overseeing model development for courier pay systems, dynamic pricing, and supply-demand balance. Works closely with machine learning engineers and stakeholders to deploy real-time models and conduct causal experiments that impact courier behavior and service efficiency.

Just Eat Ec4M7Rf, EC4M 7RF, United Kingdom

Hybrid Permanent