101 to 125 of 191 A/B Testing Jobs in London

About Eucalyptus At Eucalyptus, we’re on a bold mission to make good health last a lifetime by combining cutting-edge technology, clinical expertise, and personalised care. In the UK, we’ve quadrupled our business size and earned selective NICE endorsement for our holistic approach to obesity management. Globally, we’ve increased revenue by over … in fast-paced, evolving environments. Experience recruiting and building world class, high performing engineering teams A proven ability of balancing rapid experimentation analytics, and A / B testing with thoughtful execution consistently delivering impactful results.. Experience bridging technical delivery and growth marketing, aligning cross-functional teams around shared goals Comfortable designing … at navigating uncertainty and shifting priorities while inspiring and motivating your team. Hands-on experience in at least one part of our stack is essential: Mobile: React Native, iOS / Android Web Frontend: React, TypeScript, Apollo, Tailwind Backend: TypeScript, Go, GraphQL, PostgreSQL, gRPC Hosting: GCP, AWS Above all, you bring strong commercial insight and a collaborative mindset More ❯

KPIs across all channels, measuring campaign effectiveness and ROI. Provide actionable recommendations and insights to improve campaign performance and audience targeting & segmentation. Design, implement, and analyse A / B tests and other experience to validate performance strategies. Develop dashboards and reports to ensure that global stakeholders are clear on campaign outcomes and performance. Collaborate closely … have Experience using marketing automation platforms such as a Salesforce Marketing Cloud, Adobe Campaign, SAS 360 or similar. Worked on the optimisation of marketing campaigns across CRM / email / SMS / push. Knowledge of campaign analytics tools such as Google Analytics 4, Adobe Analytics, SAS 360 or similar. An analytical and problem solving-mindset … days holiday + bank holidays. An extra day off for moving to a new house 2 days off for your wedding 3 days off for charity / community days. Private healthcare and medical cashback plan. Perkbox. Competitive pension plan. Virgin gym membership. Match Digital specialises in connecting talented individuals with businesses in the digital, tech, media and More ❯

big ideas into the products, content and services millions of people love. And we do it all right here at Sky. What you'll do We are seeking a highly skilled Lead Machine Learning Engineer to advance our personalised recommendation systems by developing efficient, low-latency solutions that serve millions of users globally. The successful candidate will collaborate … datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Lead the design and analysis of A / B tests and offline experiments to evaluate model efficacy and support continuous improvement. Cross-Functional Collaboration: Engage with multidisciplinary teams to align machine learning initiatives with business … ll bring Demonstrated expertise in the full lifecycle of machine learning, from model development and deployment to monitoring and maintenance. Advanced proficiency in Python and knowledge of ML libraries / frameworks (e.g., TensorFlow, PyTorch). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI More ❯

big ideas into the products, content and services millions of people love. And we do it all right here at Sky. What you'll do We are seeking a highly skilled Lead Machine Learning Engineer to advance our personalised recommendation systems by developing efficient, low-latency solutions that serve millions of users globally. The successful candidate will collaborate … datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Lead the design and analysis of A / B tests and offline experiments to evaluate model efficacy and support continuous improvement. Cross-Functional Collaboration: Engage with multidisciplinary teams to align machine learning initiatives with business … ll bring Demonstrated expertise in the full lifecycle of machine learning, from model development and deployment to monitoring and maintenance. Advanced proficiency in Python and knowledge of ML libraries / frameworks (e.g., TensorFlow, PyTorch). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI More ❯

big ideas into the products, content and services millions of people love. And we do it all right here at Sky. What you'll do We are seeking a highly skilled Lead Machine Learning Engineer to advance our personalised recommendation systems by developing efficient, low-latency solutions that serve millions of users globally. The successful candidate will collaborate … datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Lead the design and analysis of A / B tests and offline experiments to evaluate model efficacy and support continuous improvement. Cross-Functional Collaboration: Engage with multidisciplinary teams to align machine learning initiatives with business … ll bring Demonstrated expertise in the full lifecycle of machine learning, from model development and deployment to monitoring and maintenance. Advanced proficiency in Python and knowledge of ML libraries / frameworks (e.g., TensorFlow, PyTorch). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI More ❯

big ideas into the products, content and services millions of people love. And we do it all right here at Sky. What you'll do We are seeking a highly skilled Lead Machine Learning Engineer to advance our personalised recommendation systems by developing efficient, low-latency solutions that serve millions of users globally. The successful candidate will collaborate … datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Lead the design and analysis of A / B tests and offline experiments to evaluate model efficacy and support continuous improvement. Cross-Functional Collaboration: Engage with multidisciplinary teams to align machine learning initiatives with business … ll bring Demonstrated expertise in the full lifecycle of machine learning, from model development and deployment to monitoring and maintenance. Advanced proficiency in Python and knowledge of ML libraries / frameworks (e.g., TensorFlow, PyTorch). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI More ❯

optimization of multiple DSPs, SSPs, and ad-serving technologies. Define technical requirements for real-time bidding systems handling billions of daily requests. Lead API product management across the AdTech / MarTech ecosystem. Design data pipelines and architecture for cross-platform campaign analytics. Ensure sub-100ms response times while maintaining 99.9% platform reliability. Data & Compliance Implement comprehensive measurement frameworks for … methodologies and cross-device identity solutions Technical Platform Expertise Hands-on experience with major DSP platforms (e.g., DV360, The Trade Desk, Amazon DSP, Xandr). Integration experience across AdTech / MarTech stacks. Understanding of VAST / VPAID, OpenRTB, and creative specifications. Knowledge of viewability, brand safety, and fraud detection systems. Data & Analytics Proficiency Strong SQL skills for data … analysis. Experience with big data technologies and real-time processing. Familiarity with statistical analysis and A / B testing methodologies. Proven ability to derive insights from data to inform product strategy. Strategic & Consulting Skills Consulting experience highly valued (management consulting or AdTech consultancy preferred). Ability to structure complex problems and drive data More ❯

innovators. They help millions of people transform their digital memories into something tangible and meaningful - combining design, data, and storytelling to create emotionally engaging experiences. You’ll join a forward-thinking marketing function where creativity meets analytics, and where your ideas will directly influence how customers connect with the brand. The CRM Manager will lead customer relationship strategy … deliver the full CRM strategy and content calendar from concept to execution Collaborate with creative, product, and data teams to craft persuasive multi-channel campaigns Use A / B testing, segmentation, and automation to improve conversion and engagement Champion customer insight and feedback loops to evolve messaging and strategy Report on CRM performance … + performance bonus potential Hybrid working (3 days in office) 25 Days holiday plus bank holidays (closed between Christmas and New Year) Equity options Group pension scheme (salary exchange / sacrifice) Private medical insurance, including dental and eye cover Travel subsidies - Cycle to work scheme / season ticket loans Enhanced sickness & parental leave L&D budget for conferences More ❯

innovators. They help millions of people transform their digital memories into something tangible and meaningful - combining design, data, and storytelling to create emotionally engaging experiences. You’ll join a forward-thinking marketing function where creativity meets analytics, and where your ideas will directly influence how customers connect with the brand. The CRM Manager will lead customer relationship strategy … deliver the full CRM strategy and content calendar from concept to execution Collaborate with creative, product, and data teams to craft persuasive multi-channel campaigns Use A / B testing, segmentation, and automation to improve conversion and engagement Champion customer insight and feedback loops to evolve messaging and strategy Report on CRM performance … + performance bonus potential Hybrid working (3 days in office) 25 Days holiday plus bank holidays (closed between Christmas and New Year) Equity options Group pension scheme (salary exchange / sacrifice) Private medical insurance, including dental and eye cover Travel subsidies - Cycle to work scheme / season ticket loans Enhanced sickness & parental leave L&D budget for conferences More ❯

innovators. They help millions of people transform their digital memories into something tangible and meaningful - combining design, data, and storytelling to create emotionally engaging experiences. You'll join a forward-thinking marketing function where creativity meets analytics, and where your ideas will directly influence how customers connect with the brand. The CRM Manager will lead customer relationship strategy … deliver the full CRM strategy and content calendar from concept to execution Collaborate with creative, product, and data teams to craft persuasive multi-channel campaigns Use A / B testing, segmentation, and automation to improve conversion and engagement Champion customer insight and feedback loops to evolve messaging and strategy Report on CRM performance … + performance bonus potential Hybrid working (3 days in office) 25 Days holiday plus bank holidays (closed between Christmas and New Year) Equity options Group pension scheme (salary exchange / sacrifice) Private medical insurance, including dental and eye cover Travel subsidies - Cycle to work scheme / season ticket loans Enhanced sickness & parental leave L&D budget for conferences More ❯

Our client an award winning SaaS organisation is seeking an experienced Data Analyst focusing on building core data capabilities across multiple global regions and markets. You’ll play a pivotal role in improving customer success and driving impact across Customer Experience, Digital Experience and Service Delivery. Central London location, hybrid, 10 month contract. Required Skills : 8+ years of … data tools (Snowflake, Databricks, Spark) and ETL processes. Useful experience; Python or R for advanced analytics, automation, or experimentation support. Knowledge of statistical methods and experimentation (A / B testing) preferred. Machine learning and Generative AI experience is a plus. Experience working with call centre and / or digital support More ❯

They’re building tools that give creators and brands full control of their visual storytelling, powered by some of the most advanced generative models in the industry. With a suite of top-ranked apps, an in-house AI research team, and a newly open-sourced visual generation model, this team is redefining how content gets made … and distributed. From creators and artists to marketers and media companies, their tools are already shaping the future of digital production. Now, they’re hiring a Senior Product Analyst to help shape what comes next. What’s the role? 🧠 You’ll be joining the Product Data team, sitting at the centre of product strategy, user insights, and business … into insight, and insight into product decisions Collaborate with PMs, engineers, and business leads to uncover opportunities and shape roadmap priorities Lead experimentation strategy, setting up A / B testing foundations and measuring impact Combine quantitative data and qualitative research to validate ideas and identify opportunities Partner with data engineers to ensure accurate More ❯

They’re building tools that give creators and brands full control of their visual storytelling, powered by some of the most advanced generative models in the industry. With a suite of top-ranked apps, an in-house AI research team, and a newly open-sourced visual generation model, this team is redefining how content gets made … and distributed. From creators and artists to marketers and media companies, their tools are already shaping the future of digital production. Now, they’re hiring a Senior Product Analyst to help shape what comes next. What’s the role? 🧠 You’ll be joining the Product Data team, sitting at the centre of product strategy, user insights, and business … into insight, and insight into product decisions Collaborate with PMs, engineers, and business leads to uncover opportunities and shape roadmap priorities Lead experimentation strategy, setting up A / B testing foundations and measuring impact Combine quantitative data and qualitative research to validate ideas and identify opportunities Partner with data engineers to ensure accurate More ❯

SENIOR CUSTOMER ANALYST SALARY UP TO £70,000 LONDON We’re looking for a Senior Customer Analyst to work with a global business within the food ordering marketplace to focus on understanding, optimising, growing and extracting value out of their customer base. THE ROLE AND RESPONSIBILITIES: You’ll work on maximising the current value of the … in a clear and impactful way that drives action. Optimization & Experimentation : Continuously explore new opportunities to deepen understanding of customer behaviour through advanced analytics, A / B testing, and experimentation. YOUR SKILLS AND RESPONSIBILITES: Customer & Lifecycle Analytics: Hands-on experience in customer and lifecycle analytics, particularly within B2C, subscription-based, or … considered an advantage. Data Visualization: Proficient in using tools such as Tableau and Looker to create compelling, actionable visual insights. Stakeholder Communication : Skilled at presenting complex findings in a clear, accessible manner to both technical and non-technical audiences. Customer Metrics Expertise: Deep understanding of core customer KPIs including retention, lifetime value (LTV), churn, and their underlying drivers. More ❯

SENIOR CUSTOMER ANALYST SALARY UP TO £70,000 LONDON We’re looking for a Senior Customer Analyst to work with a global business within the food ordering marketplace to focus on understanding, optimising, growing and extracting value out of their customer base. THE ROLE AND RESPONSIBILITIES: You’ll work on maximising the current value of the … in a clear and impactful way that drives action. Optimization & Experimentation : Continuously explore new opportunities to deepen understanding of customer behaviour through advanced analytics, A / B testing, and experimentation. YOUR SKILLS AND RESPONSIBILITES: Customer & Lifecycle Analytics: Hands-on experience in customer and lifecycle analytics, particularly within B2C, subscription-based, or … considered an advantage. Data Visualization: Proficient in using tools such as Tableau and Looker to create compelling, actionable visual insights. Stakeholder Communication : Skilled at presenting complex findings in a clear, accessible manner to both technical and non-technical audiences. Customer Metrics Expertise: Deep understanding of core customer KPIs including retention, lifetime value (LTV), churn, and their underlying drivers. More ❯

SENIOR CUSTOMER ANALYST SALARY UP TO £70,000 LONDON We're looking for a Senior Customer Analyst to work with a global business within the food ordering marketplace to focus on understanding, optimising, growing and extracting value out of their customer base. THE ROLE AND RESPONSIBILITIES: You'll work on maximising the current value of the … in a clear and impactful way that drives action. Optimization & Experimentation : Continuously explore new opportunities to deepen understanding of customer behaviour through advanced analytics, A / B testing, and experimentation. YOUR SKILLS AND RESPONSIBILITES: Customer & Lifecycle Analytics : Hands-on experience in customer and lifecycle analytics, particularly within B2C, subscription-based, or … considered an advantage. Data Visualization : Proficient in using tools such as Tableau and Looker to create compelling, actionable visual insights. Stakeholder Communication : Skilled at presenting complex findings in a clear, accessible manner to both technical and non-technical audiences. Customer Metrics Expertise : Deep understanding of core customer KPIs including retention, lifetime value (LTV), churn, and their underlying drivers. More ❯

SENIOR CUSTOMER ANALYST SALARY UP TO £70,000 LONDON We’re looking for a Senior Customer Analyst to work with a global business within the food ordering marketplace to focus on understanding, optimising, growing and extracting value out of their customer base. THE ROLE AND RESPONSIBILITIES: You’ll work on maximising the current value of the … in a clear and impactful way that drives action. Optimization & Experimentation : Continuously explore new opportunities to deepen understanding of customer behaviour through advanced analytics, A / B testing, and experimentation. YOUR SKILLS AND RESPONSIBILITES: Customer & Lifecycle Analytics: Hands-on experience in customer and lifecycle analytics, particularly within B2C, subscription-based, or … considered an advantage. Data Visualization: Proficient in using tools such as Tableau and Looker to create compelling, actionable visual insights. Stakeholder Communication : Skilled at presenting complex findings in a clear, accessible manner to both technical and non-technical audiences. Customer Metrics Expertise: Deep understanding of core customer KPIs including retention, lifetime value (LTV), churn, and their underlying drivers. More ❯

Digital Product Manager - Insurance Broker Model Contract: 6 months (Outside IR35) Location: Hybrid - London Head Office We're looking for an experienced Product Manager to support a major transformation project within our Financial Services division. This role will be instrumental in launching a new broker model, helping to establish a new entity that will … its strategic ambitions. About the Role You'll lead the development of innovative, customer-centric insurance products, working closely with internal teams and third-party partners to deliver a seamless digital experience. As the Product Owner, you'll manage the roadmap and backlog, ensuring alignment with business goals, customer needs, and regulatory requirements. You'll also play a … ensuring transparency and alignment with strategic OKRs. Define and deliver digital customer journeys that are intuitive, compliant, and commercially viable. Use data, analytics, and experimentation (e.g. A / B testing, MVT) to validate decisions and drive continuous improvement. Work cross-functionally with design, engineering, and business teams to deliver value at pace. Communicate More ❯

Data Scientist – Marketing Analytics 3-Month Contract £480 Per Day Outside IR35 Our client is a rapidly growing business operating in over 80 countries. The data science function is relatively new and plays a pivotal role in measuring marketing effectiveness and refining campaign strategies across global markets. We are looking for a Data Scientist … Key Responsibilities: Lead Marketing Mix Modelling (MMM) initiatives to evaluate campaign effectiveness using tools such as Robyn (Meta) and Meridian (Google). Finalise and implement the A / B testing framework, ensuring robust experiment design and causal impact measurement. Automate modelling pipelines to streamline marketing analytics processes. Work hands-on with complex, incomplete … commercial experience in data science , preferably in eCommerce or marketing analytics. Strong hands-on experience with Databricks, SQL, Python, and PySpark ; knowledge of R and dashboarding tools is a plus. Proven experience with causal inference, MMM modelling, and experimentation . Strong analytical and problem-solving skills with the ability to work independently. Excellent communication skills to explain complex More ❯

Data Scientist – Marketing Analytics 3-Month Contract £480 Per Day Outside IR35 Our client is a rapidly growing business operating in over 80 countries. The data science function is relatively new and plays a pivotal role in measuring marketing effectiveness and refining campaign strategies across global markets. We are looking for a Data Scientist … Key Responsibilities: Lead Marketing Mix Modelling (MMM) initiatives to evaluate campaign effectiveness using tools such as Robyn (Meta) and Meridian (Google). Finalise and implement the A / B testing framework, ensuring robust experiment design and causal impact measurement. Automate modelling pipelines to streamline marketing analytics processes. Work hands-on with complex, incomplete … commercial experience in data science , preferably in eCommerce or marketing analytics. Strong hands-on experience with Databricks, SQL, Python, and PySpark ; knowledge of R and dashboarding tools is a plus. Proven experience with causal inference, MMM modelling, and experimentation . Strong analytical and problem-solving skills with the ability to work independently. Excellent communication skills to explain complex More ❯

Data Scientist – Marketing Analytics 3-Month Contract £480 Per Day Outside IR35 Our client is a rapidly growing business operating in over 80 countries. The data science function is relatively new and plays a pivotal role in measuring marketing effectiveness and refining campaign strategies across global markets. We are looking for a Data Scientist … Key Responsibilities: Lead Marketing Mix Modelling (MMM) initiatives to evaluate campaign effectiveness using tools such as Robyn (Meta) and Meridian (Google). Finalise and implement the A / B testing framework, ensuring robust experiment design and causal impact measurement. Automate modelling pipelines to streamline marketing analytics processes. Work hands-on with complex, incomplete … commercial experience in data science , preferably in eCommerce or marketing analytics. Strong hands-on experience with Databricks, SQL, Python, and PySpark ; knowledge of R and dashboarding tools is a plus. Proven experience with causal inference, MMM modelling, and experimentation . Strong analytical and problem-solving skills with the ability to work independently. Excellent communication skills to explain complex More ❯

Senior Frontend Engineer – Join a profitable FinTech Scale-Up 🚀 💰Up to £110,000 🏡Hybrid working – once a week onsite in London 💻React, TypeScript, API experience We’re partnered with a leading FinTech scale-up who are transforming how small businesses access finance to grow and scale. The business is backed by a … across the UK and Europe. They combine cutting-edge technology and data science to enables finance to be accessible for their customers and they are now looking for a Frontend Engineer as the business continues to scale. What will you be doing: Be responsible for taking ownership of projects and running the front-end … development for their customers Build the interfaces that allow customers to choose between different products to best find the product that meets their requirements Implement robust A / B testing and tracking to measure the impact you’re making on the product and how this can shape future product decisions Build and develop More ❯

Senior Frontend Engineer – Join a profitable FinTech Scale-Up 🚀 💰Up to £110,000 🏡Hybrid working – once a week onsite in London 💻React, TypeScript, API experience We’re partnered with a leading FinTech scale-up who are transforming how small businesses access finance to grow and scale. The business is backed by a … across the UK and Europe. They combine cutting-edge technology and data science to enables finance to be accessible for their customers and they are now looking for a Frontend Engineer as the business continues to scale. What will you be doing: Be responsible for taking ownership of projects and running the front-end … development for their customers Build the interfaces that allow customers to choose between different products to best find the product that meets their requirements Implement robust A / B testing and tracking to measure the impact you’re making on the product and how this can shape future product decisions Build and develop More ❯

Senior Frontend Engineer – Join a profitable FinTech Scale-Up 🚀 💰Up to £110,000 🏡Hybrid working – once a week onsite in London 💻React, TypeScript, API experience We’re partnered with a leading FinTech scale-up who are transforming how small businesses access finance to grow and scale. The business is backed by a … across the UK and Europe. They combine cutting-edge technology and data science to enables finance to be accessible for their customers and they are now looking for a Frontend Engineer as the business continues to scale. What will you be doing: Be responsible for taking ownership of projects and running the front-end … development for their customers Build the interfaces that allow customers to choose between different products to best find the product that meets their requirements Implement robust A / B testing and tracking to measure the impact you’re making on the product and how this can shape future product decisions Build and develop More ❯

Senior Frontend Engineer – Join a profitable FinTech Scale-Up 🚀 💰Up to £110,000 🏡Hybrid working – once a week onsite in London 💻React, TypeScript, API experience We’re partnered with a leading FinTech scale-up who are transforming how small businesses access finance to grow and scale. The business is backed by a … across the UK and Europe. They combine cutting-edge technology and data science to enables finance to be accessible for their customers and they are now looking for a Frontend Engineer as the business continues to scale. What will you be doing: Be responsible for taking ownership of projects and running the front-end … development for their customers Build the interfaces that allow customers to choose between different products to best find the product that meets their requirements Implement robust A / B testing and tracking to measure the impact you’re making on the product and how this can shape future product decisions Build and develop More ❯