1 to 25 of 63 A/B Testing Jobs in Central London

worldwide. In this role, you will: Lead the development and validation of advanced statistical methodologies to support Expedia Group’s experimentation platform, ensuring robust and reliable A / B testing across the website’s features and user experiences Collaborate closely with the experimentation platform team to design, implement, and scale new testing … Ability to work collaboratively within a small, focused team and liaise effectively with platform engineers and business partners Prior experience in experimentation platforms or A / B testing environments is highly desirable Autonomy and accountability to serve as a point of contact for statistical methodologies within the team Expedia … individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com / jobs. Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion More ❯

worldwide. In this role, you will: Lead the development and validation of advanced statistical methodologies to support Expedia Group’s experimentation platform, ensuring robust and reliable A / B testing across the website’s features and user experiences Collaborate closely with the experimentation platform team to design, implement, and scale new testing … Ability to work collaboratively within a small, focused team and liaise effectively with platform engineers and business partners Prior experience in experimentation platforms or A / B testing environments is highly desirable Autonomy and accountability to serve as a point of contact for statistical methodologies within the team Expedia … individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com / jobs. Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion More ❯

At Xe, we live currencies. We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. We leverage technology to deliver these services through our website, mobile app and by phone. Last year, we helped over 300 million people access … setting up campaigns in platforms like Google Ads, QAing landing pages, and managing tracking and performance reporting). Experimentation & Testing: Design, execute, and analyze A / B and multivariate tests across the user journey. Own experiment setup and post-test performance reporting to validate hypotheses and inform optimization. Market Benchmarking & Competitive Insights: Assist … other fast-paced, digital-first environments Bachelors degree in Business, Economics, Mathematics, Statistics, Engineering, or a related quantitative or analytical field Proficiency in analytics tools, including Excel / Google Sheets and at least one of: Amplitude, Power BI, SQL, or similar a similar tool Experience with A / B testing More ❯

At Xe, we live currencies. We provide a comprehensive range of currency services and products, including our Currency Converter, Market Analysis, Currency Data API and quick, easy, secure Money Transfers for individuals and businesses. We leverage technology to deliver these services through our website, mobile app and by phone. Last year, we helped over 300 million people access … up campaigns in platforms like Google Ads, QA’ing landing pages, and managing tracking and performance reporting). Experimentation & Testing: Design, execute, and analyze A / B and multivariate tests across the user journey. Own experiment setup and post-test performance reporting to validate hypotheses and inform optimization. Market Benchmarking & Competitive Insights: Assist … fast-paced, digital-first environments Bachelor’s degree in Business, Economics, Mathematics, Statistics, Engineering, or a related quantitative or analytical field Proficiency in analytics tools, including Excel / Google Sheets and at least one of: Amplitude, Power BI, SQL, or similar a similar tool Experience with A / B testing 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 ❯

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 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 ❯

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 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 ❯

Senior UI Designer Clientside / In-house Up to £70K London / Hybrid (4 days in office) The Company: My client is a global leader in the online learning and immersive education space. They are a fun, purpose-driven, and energetic global community that thrives on continuous learning and fearless innovation. They are now … across teams and functions from creative and copy to tech and product. Present concepts, rationale and outcomes to senior leadership. Must-have hard skills: 5-8 years professional UI / digital design experience. Ecommerce experience highly desirable. Extremely high level of proficiency in design tools and methodologies, including but not limited to Figma, wireframing, workflow diagramming, and prototyping. CMS … butter. You understand user flows, design psychology and an ability to wireframe and design solutions that drive engagement and ecommerce growth. Proven track record designing for A / B tests. Experience with design systems and scaling design across large sites for multiple languages. Must-have soft skills: Concept-to-completion ownership with proactive problem-solving More ❯

Job Title: Manager, Digital Commerce, Content & Optimisation (EMEA) Location: London Division: MK Reporting to: Director, Digital Commerce (EMEA) If you enjoy working in a creative, fast-paced environment, then we would love to hear from you! "I feel really lucky to be surrounded by such a great team. I’m not only grateful that they’ve … helped me achieve my goals, but also that I can give them a place where they can achieve theirs." - Michael Kors - We have an exciting opportunity for a Manager Content & Optimisation Department overview: Established in 2016, the Digital department has steadily grown, driven by an ambitious roadmap and bold revenue goals, all while delivering a … to consistently improve conversion rates. Partner with the Director to define and execute the end-to-end Conversion Rate Optimisation strategy, including a robust A / B testing roadmap via the Dynamic Yield Platform to maximise the impact of all available tools and features. Foster strong relationships with vendor account managers More ❯

Job Title: Manager, Digital Commerce, Content & Optimisation (EMEA) Location: London Division: MK Reporting to: Director, Digital Commerce (EMEA) If you enjoy working in a creative, fast-paced environment, then we would love to hear from you! "I feel really lucky to be surrounded by such a great team. I’m not only grateful that they’ve … helped me achieve my goals, but also that I can give them a place where they can achieve theirs." - Michael Kors - We have an exciting opportunity for a Manager Content & Optimisation Department overview: Established in 2016, the Digital department has steadily grown, driven by an ambitious roadmap and bold revenue goals, all while delivering a … to consistently improve conversion rates. Partner with the Director to define and execute the end-to-end Conversion Rate Optimisation strategy, including a robust A / B testing roadmap via the Dynamic Yield Platform to maximise the impact of all available tools and features. Foster strong relationships with vendor account managers More ❯

company is globally recognised and has won Xero App Partner of the Year four times since 2020 in different countries. Job Description About the role Were looking for a Performance Marketing Manager to take full ownership of fueling our paid acquisition engine. This role is about making our budget work harder. Whether its Google Ads, LinkedIn, Meta, G2 … a chance to own strategic output. Youll be inside the platforms, not outsourcing the work. Youll know how to set up advanced targeting, build campaigns & use automation / scripts to optimise these, analyse performance in GA4, HubSpot, and LinkedIn Campaign Manager, and translate that into actionable insights for the business. Responsibilities Paid media leadership Build and run … experience; exposure to Meta, TikTok, G2, or programmatic is a plus. Proficiency with HubSpot Marketing Hub and GA4, and strong understanding of attribution models. Familiarity with SEO / SEM tools (Ahrefs, SEMrush) to inform strategy. Skilled at building and interpreting dashboards in GA4 and HubSpot; bonus if youve used PowerBI. Proven CRO mindset: A / More ❯

Lead Generation Manager – Email Marketing – Up to £40k + Excellent Benefits, Hybrid Are you a data-driven marketer with a passion for crafting email campaigns that convert? Our client, a well-respected agency, is seeking a Lead Generation Manager to take charge of their email marketing strategy and drive high-quality leads … for their sales team. This hybrid role offers 3 days working remotely and 2 days in their vibrant London office. With a portfolio of high-profile clients and a reputation for delivering innovative, multi-channel campaigns, this agency is growing fast—and they need a commercially minded Lead Generation Manager to help fuel that … Plan and deliver targeted email campaigns for both client initiatives and internal sales efforts Create compelling email content and copy that drives engagement and conversions Conduct A / B testing and performance analysis to optimise campaign results Manage, build and segment email databases, ensuring GDPR compliance Collaborate with sales and marketing teams to More ❯

SENIOR CUSTOMER ANALYST - LOYALTY UP TO £70,000 + BONUS LONDON – 2 DAYS A WEEK IN OFFICE Please note: you must have full UK right to work and be able to commute to central London twice per week. ABOUT THE BUSINESS This company is a leading global online food ordering marketplace, connecting millions of consumers with … a vast network of restaurant partners. In the UK, the platform has grown into a household name, facilitating thousands of orders daily across a diverse range of cuisines. Beyond food delivery, the business supports restaurants with data-driven insights, pricing optimisation, and promotional strategies, ensuring sustainable partner growth and improved customer experiences. THE TEAM … with dashboarding tools (e.g. Looker, Tableau, or Power BI). Strategic thinker with the ability to interpret data, shape propositions, and influence senior stakeholders. Experience working cross-functionally and / or in international environments. Excellent communication and presentation skills. Desirable: Experience with Python for statistical analysis. Background in A / B testing More ❯

Lead Data Scientist London - 3 days a week Up to £125,000 About the Company We’re working with a next-generation private markets firm that is redefining value creation by combining deep industry expertise with advanced AI and data science. This is a unique opportunity to join a company that partners … directly with portfolio companies to drive measurable operational and financial performance—powered by data. They’re now hiring a Lead Data Scientist to lead high-impact analytics and machine learning projects across a wide variety of real-world domains. Working closely with a multidisciplinary team, you’ll have the autonomy to shape technical approaches … end ML pipeline: data exploration, feature engineering, modelling, evaluation, and deployment Collaborate with data engineers and MLOps professionals to ensure scalable, production-grade solutions Conduct rigorous A / B testing and performance measurement to validate impact Act as a technical lead within project teams, mentoring mid-level data scientists and guiding More ❯

Content Marketing Manager 45,000 55,000 per annum London | Hybrid 3 days office / 2 remote Our client is a fast-growing technology-driven organisation reshaping how people move goods across the UK and Europe. With an impressive sustainability mission and an energetic culture, theyve helped millions of customers move smarter while cutting thousands of tonnes … of carbon each year. Now, theyre looking for a creative Content Marketing Manager to join their London team and shape the voice of a brand thats as bold as it is responsible. The Content Marketing Manager will develop and deliver engaging digital content across multiple touchpoints, champion the brands story, and build a vibrant … with influencers and creators to deliver standout campaigns. Craft compelling copy for web, email, social, and editorial content that aligns with brand tone. Use analytics and A / B testing to measure success and continuously improve engagement. You Will Need Proven experience in copywriting, content creation, and community management for D2C brands. A More ❯

Content Marketing Manager 45,000 55,000 per annum London | Hybrid 3 days office / 2 remote Our client is a fast-growing technology-driven organisation reshaping how people move goods across the UK and Europe. With an impressive sustainability mission and an energetic culture, theyve helped millions of customers move smarter while cutting thousands of tonnes … of carbon each year. Now, theyre looking for a creative Content Marketing Manager to join their London team and shape the voice of a brand thats as bold as it is responsible. The Content Marketing Manager will develop and deliver engaging digital content across multiple touchpoints, champion the brands story, and build a vibrant … with influencers and creators to deliver standout campaigns. Craft compelling copy for web, email, social, and editorial content that aligns with brand tone. Use analytics and A / B testing to measure success and continuously improve engagement. You Will Need Proven experience in copywriting, content creation, and community management for D2C brands. A More ❯

Senior Digital Product Analyst Up to £65,000 + Benefits Oxford Circus – 4 days a week in-office (including Mondays & Fridays – no flexibility) We’re working with a major UK retail group that’s rapidly expanding its brand portfolio and investing heavily in digital transformation. They’ve recently migrated to Google Cloud Platform and are continuing … to build out a robust Analytics function. As part of this growth, they’re hiring a Senior Digital Product Analyst to join their Product Analytics team. This is a high-impact role focusing on digital journey analysis, site performance, and optimisation opportunities across a diverse retail portfolio. You’ll need: Proven experience in digital / product analytics – not marketing-focused Strong SQL & BigQuery skills GA4 (or Adobe Analytics) expertise Comfort working with GTM / implementation teams Some A / B More ❯