26 to 50 of 191 A/B Testing Jobs in London

Data Analyst – £285 / day | 10-Month Contract | Hybrid (London) We’re looking for an experienced Data Analyst to join a global Customer Success Data Science team , working on initiatives that enhance customer experience and operational excellence across international markets. This is an exciting opportunity to make a real impact by building data foundations, enabling … success teams. Deliver deep-dive analytics: Identify root causes of performance trends, customer pain points, and operational inefficiencies, turning insights into actionable recommendations. Support experimentation: Analyse A / B tests and digital experience initiatives to measure impact and inform continuous improvement. Tell the story with data: Communicate insights effectively to both technical and non-technical … data platforms (Snowflake, Databricks, Spark) and ETL processes . Working knowledge of Python or R for analytics or automation (preferred). Understanding of statistical methods and A / B testing . Excellent storytelling and communication skills to translate data into actionable insights. Experience with contact centre or digital support metrics is a More ❯

Data Analyst – £285 / day | 10-Month Contract | Hybrid (London) We’re looking for an experienced Data Analyst to join a global Customer Success Data Science team , working on initiatives that enhance customer experience and operational excellence across international markets. This is an exciting opportunity to make a real impact by building data foundations, enabling … success teams. Deliver deep-dive analytics: Identify root causes of performance trends, customer pain points, and operational inefficiencies, turning insights into actionable recommendations. Support experimentation: Analyse A / B tests and digital experience initiatives to measure impact and inform continuous improvement. Tell the story with data: Communicate insights effectively to both technical and non-technical … data platforms (Snowflake, Databricks, Spark) and ETL processes . Working knowledge of Python or R for analytics or automation (preferred). Understanding of statistical methods and A / B testing . Excellent storytelling and communication skills to translate data into actionable insights. Experience with contact centre or digital support metrics is a More ❯

Senior Data Scientists / Analysts SC / DV Cleared (Military / Veteran-Friendly) Multiple Openings Location: London (Remote & Hybrid options) Employment: Permanent Clearance: Current SC or DV required Make sense of mission-critical data that actually drives decisions. Areti Group is partnering with one of the UKs fastest-growing Series A-funded tech start-ups … for sensitive environments. Collaborate across engineering, security, and product teams to deliver at pace and scale. The toolkit youll use Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch / TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST / JSON, Postman, Flask / FastAPI, Power BI / Tableau, D3.js DevOps & Cloud: CI / CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform / CDK ML Ops & Automation: MLFlow, feature stores, model monitoring, A / B testing Data Security & Compliance: Secure SDLC, ISO / NIST, data governance, GDPR-compliant pipelines Collaboration & Control: Git-based workflows, Jira, Confluence, automated testing suites Must-have experience More ❯

Senior Data Scientists / Analysts SC / DV Cleared (Military / Veteran-Friendly) Multiple Openings Location: London (Remote & Hybrid options) Employment: Permanent Clearance: Current SC or DV required Make sense of mission-critical data that actually drives decisions. Areti Group is partnering with one of the UKs fastest-growing Series A-funded tech start-ups … for sensitive environments. Collaborate across engineering, security, and product teams to deliver at pace and scale. The toolkit youll use Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch / TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST / JSON, Postman, Flask / FastAPI, Power BI / Tableau, D3.js DevOps & Cloud: CI / CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform / CDK ML Ops & Automation: MLFlow, feature stores, model monitoring, A / B testing Data Security & Compliance: Secure SDLC, ISO / NIST, data governance, GDPR-compliant pipelines Collaboration & Control: Git-based workflows, Jira, Confluence, automated testing suites Must-have experience More ❯

Senior Data Scientists / Analysts – SC / DV Cleared – (Military / Veteran-Friendly) — Multiple Openings 🌳 Location: London (Remote & Hybrid options) 🌳 Employment: Permanent 🌳 Clearance: Current SC or DV required 🌳 Make sense of mission-critical data that actually drives decisions. 🌳 Areti Group is partnering with one of the UK’s fastest-growing Series A-funded tech start … sensitive environments. Collaborate across engineering, security, and product teams to deliver at pace and scale. The toolkit you’ll use 🌳 Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch / TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST / JSON, Postman, Flask / FastAPI, Power BI / Tableau, D3.js DevOps & Cloud: CI / CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform / CDK ML Ops & Automation: MLFlow, feature stores, model monitoring, A / B testing Data Security & Compliance: Secure SDLC, ISO / NIST, data governance, GDPR-compliant pipelines Collaboration & Control: Git-based workflows, Jira, Confluence, automated testing suites Must-have experience More ❯

Senior Data Scientists / Analysts – SC / DV Cleared – (Military / Veteran-Friendly) — Multiple Openings 🌳 Location: London (Remote & Hybrid options) 🌳 Employment: Permanent 🌳 Clearance: Current SC or DV required 🌳 Make sense of mission-critical data that actually drives decisions. 🌳 Areti Group is partnering with one of the UK’s fastest-growing Series A-funded tech start … sensitive environments. Collaborate across engineering, security, and product teams to deliver at pace and scale. The toolkit you’ll use 🌳 Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch / TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST / JSON, Postman, Flask / FastAPI, Power BI / Tableau, D3.js DevOps & Cloud: CI / CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform / CDK ML Ops & Automation: MLFlow, feature stores, model monitoring, A / B testing Data Security & Compliance: Secure SDLC, ISO / NIST, data governance, GDPR-compliant pipelines Collaboration & Control: Git-based workflows, Jira, Confluence, automated testing suites Must-have experience More ❯

SENIOR CUSTOMER ANALYST LONDON – HYBRID - 2 DAYS A WEEK IN OFFICE SALARY – £70,000 + BONUS THE COMPANY A leading delivery marketplace connecting millions of customers with thousands of restaurant partners! THE ROLE As a Senior Customer Analyst, you will play a pivotal role in driving customer strategy and lifecycle optimisation across … shape customer growth. Key Responsibilities: Analyse and optimise customer behaviour across the lifecycle - acquisition, retention, churn. Deliver actionable insights that influence marketing and growth strategy. Run A / B and multivariate tests to evaluate campaign performance. Use SQL and Tableau / Looker to build data stories and dashboards. Support lifecycle marketing initiatives by identifying … churn reduction. Strong data storytelling skills - able to translate insights into commercial impact. Ideally from eCommerce, tech, or other high-growth, data-driven environments. Python and A / B testing experience desirable. BENEFITS Salary up to £70,000 Discretionary annual bonus Hybrid working – 2 days a week in central London Opportunity More ❯

SENIOR CUSTOMER ANALYST LONDON – HYBRID - 2 DAYS A WEEK IN OFFICE SALARY – £70,000 + BONUS THE COMPANY A leading delivery marketplace connecting millions of customers with thousands of restaurant partners! THE ROLE As a Senior Customer Analyst, you will play a pivotal role in driving customer strategy and lifecycle optimisation across … shape customer growth. Key Responsibilities: Analyse and optimise customer behaviour across the lifecycle - acquisition, retention, churn. Deliver actionable insights that influence marketing and growth strategy. Run A / B and multivariate tests to evaluate campaign performance. Use SQL and Tableau / Looker to build data stories and dashboards. Support lifecycle marketing initiatives by identifying … churn reduction. Strong data storytelling skills - able to translate insights into commercial impact. Ideally from eCommerce, tech, or other high-growth, data-driven environments. Python and A / B testing experience desirable. BENEFITS Salary up to £70,000 Discretionary annual bonus Hybrid working – 2 days a week in central London Opportunity More ❯

Role: Senior AI / ML Scientist – Personalization & GenAI (Dubai based) Join a high-performing Data Science team whose mission is to drive competitive value through scalable AI solutions. The team builds models that enhance user experiences, enable better decision-making, improve operational efficiency, and shape the regional AI ecosystem. As a senior technical leader, you … engagement strategies powered by data and AI. Conduct exploratory analysis to understand user behavior, discover optimization opportunities, and develop behavior models to inform product enhancements. Design and deploy data / ML instrumentation to extract insights and optimize the product experience. Provide strategic product guidance through data-driven recommendations, experimentation insights, and root cause analyses. Build and scale machine learning … algorithms and pipelines to production using big data technologies. Develop and deploy retrieval-augmented generation (RAG) systems and LLM-based applications. Design and evaluate A / B tests and communicate results across cross-functional teams. Define, implement, and monitor key performance metrics for AI-driven product features. Stay up to date with industry advancements in More ❯

Role: Senior AI / ML Scientist – Personalization & GenAI (Dubai based) Join a high-performing Data Science team whose mission is to drive competitive value through scalable AI solutions. The team builds models that enhance user experiences, enable better decision-making, improve operational efficiency, and shape the regional AI ecosystem. As a senior technical leader, you … engagement strategies powered by data and AI. Conduct exploratory analysis to understand user behavior, discover optimization opportunities, and develop behavior models to inform product enhancements. Design and deploy data / ML instrumentation to extract insights and optimize the product experience. Provide strategic product guidance through data-driven recommendations, experimentation insights, and root cause analyses. Build and scale machine learning … algorithms and pipelines to production using big data technologies. Develop and deploy retrieval-augmented generation (RAG) systems and LLM-based applications. Design and evaluate A / B tests and communicate results across cross-functional teams. Define, implement, and monitor key performance metrics for AI-driven product features. Stay up to date with industry advancements in More ❯

Role: Senior AI / ML Scientist – Personalization & GenAI (Dubai based) Join a high-performing Data Science team whose mission is to drive competitive value through scalable AI solutions. The team builds models that enhance user experiences, enable better decision-making, improve operational efficiency, and shape the regional AI ecosystem. As a senior technical leader, you … engagement strategies powered by data and AI. Conduct exploratory analysis to understand user behavior, discover optimization opportunities, and develop behavior models to inform product enhancements. Design and deploy data / ML instrumentation to extract insights and optimize the product experience. Provide strategic product guidance through data-driven recommendations, experimentation insights, and root cause analyses. Build and scale machine learning … algorithms and pipelines to production using big data technologies. Develop and deploy retrieval-augmented generation (RAG) systems and LLM-based applications. Design and evaluate A / B tests and communicate results across cross-functional teams. Define, implement, and monitor key performance metrics for AI-driven product features. Stay up to date with industry advancements in More ❯

Role: Senior AI / ML Scientist – Personalization & GenAI (Dubai based) Join a high-performing Data Science team whose mission is to drive competitive value through scalable AI solutions. The team builds models that enhance user experiences, enable better decision-making, improve operational efficiency, and shape the regional AI ecosystem. As a senior technical leader, you … engagement strategies powered by data and AI. Conduct exploratory analysis to understand user behavior, discover optimization opportunities, and develop behavior models to inform product enhancements. Design and deploy data / ML instrumentation to extract insights and optimize the product experience. Provide strategic product guidance through data-driven recommendations, experimentation insights, and root cause analyses. Build and scale machine learning … algorithms and pipelines to production using big data technologies. Develop and deploy retrieval-augmented generation (RAG) systems and LLM-based applications. Design and evaluate A / B tests and communicate results across cross-functional teams. Define, implement, and monitor key performance metrics for AI-driven product features. Stay up to date with industry advancements in More ❯

Senior Customer Analyst – Loyalty, Retention & Growth Hybrid – London (2 days in office) £70,000-75,000 base + discretionary bonus + pension up to 12% A leading global online marketplace is seeking a Senior Customer Analyst to join its Customer Analytics function. The team focuses on understanding, optimising, and growing the customer base through data-led … Product teams to turn insight into commercial impact. Responsibilities include Owning customer analytics projects such as segmentation, churn modelling, LTV, and lifecycle optimisation Designing and analysing A / B and multivariate tests to shape acquisition and retention strategies Using SQL and dashboarding tools such as Tableau or Looker to communicate insight across the business Partnering … in ecommerce, tech, or other data-led B2C environments Ability to translate analytical outputs into strategic recommendations and tell clear data stories Experience designing or analysing A / B testing and customer lifecycle analytics Python skills for statistical modelling or automation are an advantage This role offers a hybrid setup (typically More ❯

Senior Customer Analyst – Loyalty, Retention & Growth Hybrid – London (2 days in office) £70,000-75,000 base + discretionary bonus + pension up to 12% A leading global online marketplace is seeking a Senior Customer Analyst to join its Customer Analytics function. The team focuses on understanding, optimising, and growing the customer base through data-led … Product teams to turn insight into commercial impact. Responsibilities include Owning customer analytics projects such as segmentation, churn modelling, LTV, and lifecycle optimisation Designing and analysing A / B and multivariate tests to shape acquisition and retention strategies Using SQL and dashboarding tools such as Tableau or Looker to communicate insight across the business Partnering … in ecommerce, tech, or other data-led B2C environments Ability to translate analytical outputs into strategic recommendations and tell clear data stories Experience designing or analysing A / B testing and customer lifecycle analytics Python skills for statistical modelling or automation are an advantage This role offers a hybrid setup (typically More ❯

SENIOR DATA ANALYST UP TO (£85,000) LONDON - Hybrid We’re looking for a Senior Data Analyst to work with a rapidly growing start up operating within the green tech space. THE ROLE AND RESPONSIBILITIES: This senior data role is focused on leading strategic, high-impact analytics initiatives that translate complex business challenges into data-driven … pricing strategies. Deliver actionable insights: Translate complex data analysis into clear, compelling narratives and visualisations that influence business decisions. Experimentation and impact measurement: Design and evaluate A / B tests or uplift models to assess changes and measure causal impact (desirable). Energy and demand analytics: Analyse consumption patterns and load forecasts to support operational … level data storytelling and visualisation skills, with the ability to present complex findings in a clear and actionable way. Experience with experimentation methods (e.g., A / B testing, uplift modelling) is advantageous. Familiarity with energy demand analysis or load forecasting—including understanding of consumption trends and grid dynamics—is beneficial. Leadership More ❯

SENIOR DATA ANALYST UP TO (£85,000) LONDON - Hybrid We’re looking for a Senior Data Analyst to work with a rapidly growing start up operating within the green tech space. THE ROLE AND RESPONSIBILITIES: This senior data role is focused on leading strategic, high-impact analytics initiatives that translate complex business challenges into data-driven … pricing strategies. Deliver actionable insights: Translate complex data analysis into clear, compelling narratives and visualisations that influence business decisions. Experimentation and impact measurement: Design and evaluate A / B tests or uplift models to assess changes and measure causal impact (desirable). Energy and demand analytics: Analyse consumption patterns and load forecasts to support operational … level data storytelling and visualisation skills, with the ability to present complex findings in a clear and actionable way. Experience with experimentation methods (e.g., A / B testing, uplift modelling) is advantageous. Familiarity with energy demand analysis or load forecasting—including understanding of consumption trends and grid dynamics—is beneficial. Leadership More ❯

role for you. What you’ll do: Oversee all ecommerce optimisation and personalisation initiatives across websites and apps. Work with the ecommerce trading team to gather A / B testing requirements and implement campaigns that balance customer experience with commercial impact. Manage content updates to ensure a clear and accurate customer … journey. Identify opportunities for innovation and implement changes using Bloomreach and other tools. Utilise HTML, CSS, and a strong understanding of search and … merchandising tools (Search and Promote). What we’re looking for: Passion for ecommerce and online retail. Strong analytical mindset with experience in optimisation, personalisation, and A / B testing. Hands-on experience with HTML, CSS, and ecommerce platforms / tools. Be at the heart of driving innovation and delivering experiences that keep our More ❯

role for you. What you’ll do: Oversee all ecommerce optimisation and personalisation initiatives across websites and apps. Work with the ecommerce trading team to gather A / B testing requirements and implement campaigns that balance customer experience with commercial impact. Manage content updates to ensure a clear and accurate customer … journey. Identify opportunities for innovation and implement changes using Bloomreach and other tools. Utilise HTML, CSS, and a strong understanding of search and … merchandising tools (Search and Promote). What we’re looking for: Passion for ecommerce and online retail. Strong analytical mindset with experience in optimisation, personalisation, and A / B testing. Hands-on experience with HTML, CSS, and ecommerce platforms / tools. Be at the heart of driving innovation and delivering experiences that keep our More ❯

role for you. What you’ll do: Oversee all ecommerce optimisation and personalisation initiatives across websites and apps. Work with the ecommerce trading team to gather A / B testing requirements and implement campaigns that balance customer experience with commercial impact. Manage content updates to ensure a clear and accurate customer … journey. Identify opportunities for innovation and implement changes using Bloomreach and other tools. Utilise HTML, CSS, and a strong understanding of search and … merchandising tools (Search and Promote). What we’re looking for: Passion for ecommerce and online retail. Strong analytical mindset with experience in optimisation, personalisation, and A / B testing. Hands-on experience with HTML, CSS, and ecommerce platforms / tools. Be at the heart of driving innovation and delivering experiences that keep our More ❯

role for you. What you’ll do: Oversee all ecommerce optimisation and personalisation initiatives across websites and apps. Work with the ecommerce trading team to gather A / B testing requirements and implement campaigns that balance customer experience with commercial impact. Manage content updates to ensure a clear and accurate customer … journey. Identify opportunities for innovation and implement changes using Bloomreach and other tools. Utilise HTML, CSS, and a strong understanding of search and … merchandising tools (Search and Promote). What we’re looking for: Passion for ecommerce and online retail. Strong analytical mindset with experience in optimisation, personalisation, and A / B testing. Hands-on experience with HTML, CSS, and ecommerce platforms / tools. Be at the heart of driving innovation and delivering experiences that keep our More ❯

Junior Product / UX / UI Designer - to £45,000 + benefits We are currently recruiting for a Junior Product Designer, for a company comprising c50 small to medium sized businesses globally. This is a fantastic opportunity to join the small digital design team providing design consultancy to individual companies within the … group. The Junior UI / UX Designer will support the development of new digital products and services across a range of businesses. You will help enhance the user experience of our digital solutions, learning from experienced designers and technologists. This is an entry-level role, ideal for someone passionate about user experience and digital design, as well … essential. Knowledge of responsive design techniques and designing for various screen sizes and devices is essential as is an interest in data-driven design methodologies, including A / B testing and analytics tools. A passion for learning and applying new technologies to solve real-world problems and a can More ❯

Product Analyst Hybrid 2 days in the office - Aldgate, London up to £60,000 Are you a data-driven thinker who loves uncovering insights that shape real product decisions? This is an opportunity to join a fast-growing global tech business with millions of users across the world, helping to drive its next phase of growth … organisation. Partner with Product Managers, Engineers, UX, and Marketing teams to provide analytical input across the full product lifecycle, from ideation to experimentation. Design and run A / B tests, interpreting results to guide product strategy and feature development. Create data models and views to support multiple business needs in collaboration with data engineers. Train … Strong collaborator with experience working across cross-functional teams. Nice to Have Experience with Looker or ThoughtSpot. Familiarity with Redshift or BigQuery. Experience designing and interpreting A / B or multivariate experiments. What's in it for you Be part of a global, mission-driven tech company that's scaling rapidly and genuinely More ❯

Engineer to join our Data and AI team . This role is ideal for someone who has a strong track record of designing, developing, and deploying AI / ML solutions in a business contextfrom ideation through to production. You will play a pivotal role in shaping and implementing advanced AI-driven insights and … that optimize client engagement and campaign performance across digital, CRM, and relationship management channels for our Financial Services client. Key Responsibilities End-to-End AI Solution Delivery: Lead AI / ML initiatives from conceptual design to production deployment, including problem scoping, data acquisition, model development, validation, deployment, and monitoring. AI-Driven Marketing Insights: Develop predictive and generative models to … Deployment & Monitoring: Deploy models using MLOps practices and tools (e.g., MLflow, Airflow, Docker, cloud platforms) ensuring performance, reliability, and governance compliance. Innovation & Research: Stay current on advancements in AI / ML and proactively bring forward new ideas, frameworks, and techniques that can be applied to marketing use cases. Data Strategy: Collaborate with data engineering teams to ensure the availability More ❯

Engineer to join our Data and AI team . This role is ideal for someone who has a strong track record of designing, developing, and deploying AI / ML solutions in a business contextfrom ideation through to production. You will play a pivotal role in shaping and implementing advanced AI-driven insights and … that optimize client engagement and campaign performance across digital, CRM, and relationship management channels for our Financial Services client. Key Responsibilities End-to-End AI Solution Delivery: Lead AI / ML initiatives from conceptual design to production deployment, including problem scoping, data acquisition, model development, validation, deployment, and monitoring. AI-Driven Marketing Insights: Develop predictive and generative models to … Deployment & Monitoring: Deploy models using MLOps practices and tools (e.g., MLflow, Airflow, Docker, cloud platforms) ensuring performance, reliability, and governance compliance. Innovation & Research: Stay current on advancements in AI / ML and proactively bring forward new ideas, frameworks, and techniques that can be applied to marketing use cases. Data Strategy: Collaborate with data engineering teams to ensure the availability More ❯

Engineer to join our Data and AI team . This role is ideal for someone who has a strong track record of designing, developing, and deploying AI / ML solutions in a business context—from ideation through to production. You will play a pivotal role in shaping and implementing advanced AI-driven insights … that optimize client engagement and campaign performance across digital, CRM, and relationship management channels for our Financial Services client. Key Responsibilities End-to-End AI Solution Delivery: Lead AI / ML initiatives from conceptual design to production deployment, including problem scoping, data acquisition, model development, validation, deployment, and monitoring. AI-Driven Marketing Insights: Develop predictive and generative models to … Deployment & Monitoring: Deploy models using MLOps practices and tools (e.g., MLflow, Airflow, Docker, cloud platforms) ensuring performance, reliability, and governance compliance. Innovation & Research: Stay current on advancements in AI / ML and proactively bring forward new ideas, frameworks, and techniques that can be applied to marketing use cases. Data Strategy: Collaborate with data engineering teams to ensure the availability More ❯