26 to 50 of 177 A/B Testing Jobs in London

Customer Experience / Digital Journey Manger- London / Hybrid- 12 Months- £250-£285 PAYE A global technology company are looking for an experience Customer Experience / Digital Journey Manager to join their team on an initial 12 month assignment. The successful candidate will take ownership of key customer journeys, ensuring they are simple, intuitive and … are compliant, accessible, and aligned with brand promise. Monitor journey performance using analytics and customer feedback, identifying friction points and opportunities. Lead test-and-learn experiments (A / B, multivariate testing) to optimize customer experiences. Regularly report on performance metrics to senior leadership, highlighting successes and areas for improvement. Influence stakeholders and align … priorities across multiple business units. Foster a culture of customer-centricity, innovation, and continuous improvement Skills / Experience: Bachelor's degree in Business, Marketing, Digital Experience, or related field (or equivalent work experience). Proven track record in digital product, journey, or experience management. Strong knowledge of digital analytics, customer research, and CX methodologies. Experience with journey More ❯

Global company specialising in software solutions for the SME marketplace is seeking a Digital Journey Manager / CX Design Specialist for a 12 month contract. This is a hybrid role with 3 days a week in their stunning offices in central London. Responsibilities Customer Journey Ownership Lead the design, delivery, and … product, design, engineering, and marketing teams. Performance & Optimization Monitor journey performance using analytics and customer feedback, identifying friction points and opportunities. Lead test-and-learn experiments (A / B, multivariate testing) to optimize customer experiences. Qualifications Bachelor’s degree in Business, Marketing, Digital Experience, or related field (or equivalent work experience). Proven … track record in digital product, journey, or experience management. Strong knowledge of digital analytics, customer research, and CX methodologies. Experience with journey mapping tools, A / B testing platforms, and personalization technologies. More ❯

implement prompt engineering, tool integrations and orchestration strategies for autonomous AI workflows Rapidly prototype proof-of-concepts to assess value before scaling solutions into production Execute A / B and multivariate tests, applying statistical methods such as t-tests, confidence intervals and distributions to ensure results are valid and repeatable, and improving experimental design for … and results to senior leadership in a clear, compelling and business-relevant way Who You Are Bachelor's or Master's in Computer Science, Data Science, AI / ML, Statistics or a related quantitative field; PhD preferred Hands-on experience with generative AI methods, deep learning, natural language processing or reinforcement learning Proven track record … plus Skilled in rapid prototyping, hypothesis testing and iteration toward production-ready solutions Experience applying statistical testing methods to marketing experiments, including A / B testing and test readouts Able to design, monitor and maintain autonomous AI systems with appropriate safety and compliance measures Able to troubleshoot operational AI More ❯

Central London offices, 10 days in every month. Salary: £43,000 - £52,000 plus 10% bonus, pension, healthcare, life assurance, etc. The role youll be taking on is a specialist role which will bias towards CRM campaign planning and campaign management, including the execution of multi-channel marketing strategies and tactics with the goal of achieving customer value … up with the concepts and ideas behind what will become highly personalised and sophisticated CRM journeys - leading on the process of getting campaigns organised, assets in place, quality testing and optimisation. The channels are all digital with email marketing being lead, followed by onsite, in-app messaging, push notification and SMS. To say you'll be in a … necessary as well as quality control, test and optimise campaigns to ensure they reflect best in class and will deliver on business objectives Good knowledge of A / B testing and email journey enhancement / optimisation. With the ability to utilise the data from these to improve CRM strategies Have experience of More ❯

on-site metrics such as stock availability, conversion rate, AtB rates, channel traffic etc . Will be responsible for delivering 50 % of total USA bike units in 2 5 / 2 6 ( growing to over > 5 7 % in 3 years time. Development and ownership of a USA e-commerce trading plan which will clearly set-out a … profit targets for USA website. Development reflected in 360 feedback from peers and commercial team. Quality of customer experience via our USA website reflected in NPS, customer feedback, product / site reviews Who you are: Proven e-commerce analytical skills Sound knowledge of best-in-class e-commerce trading and merchandising techniques Exceptional communicator with h i gh attention … parts of the e-commerce journey Ability to direct site merchandising and optimise to drive conversion Understanding of web development and building web dev roadmaps Understanding of paid media / affiliate marketing spend with a particular focus on conversions Experience: W orking within an omnichannel or a pureplay e-commerce business Ideal experience within a More ❯

Conversion Rate Optimisation (CRO) Specialist - In-Product Journeys Contract: - 6 months possible extension London: Hybrid 2 days in office Rate: £450 tp 550 / a day Umbrella We are looking for a Conversion Rate Optimisation (CRO) Specialist with deep expertise in in-product optimisation and customer journey mapping. This role is central to driving measurable … product experiences, and has the technical acumen to work hand-in-hand with product managers, designers, and engineers. Key Responsibilities Conversion Optimisation & Experimentation Design and execute A / B and multivariate tests to improve in-product conversion and engagement metrics. Own the experimentation roadmap across onboarding, upsell flows, feature adoption, and cross-sell opportunities. Define … to conversion. Partner with data teams to segment users and personalise journeys. Provide actionable insights to product, marketing, and engineering teams. Collaboration & Implementation Work closely with product managers, UX / UI designers, and engineers to ship impactful optimisations. Translate test findings into requirements and implementation plans. Advocate for a test-and-learn culture within product squads. Skills More ❯

Conversion Rate Optimisation (CRO) Specialist - In-Product Journeys Contract: - 6 months possible extension London: Hybrid 2 days in office Rate: £450 tp 550 / a day Umbrella We are looking for a Conversion Rate Optimisation (CRO) Specialist with deep expertise in in-product optimisation and customer journey mapping. This role is central to driving measurable … product experiences, and has the technical acumen to work hand-in-hand with product managers, designers, and engineers. Key Responsibilities Conversion Optimisation & Experimentation Design and execute A / B and multivariate tests to improve in-product conversion and engagement metrics. Own the experimentation roadmap across onboarding, upsell flows, feature adoption, and cross-sell opportunities. Define … to conversion. Partner with data teams to segment users and personalise journeys. Provide actionable insights to product, marketing, and engineering teams. Collaboration & Implementation Work closely with product managers, UX / UI designers, and engineers to ship impactful optimisations. Translate test findings into requirements and implementation plans. Advocate for a test-and-learn culture within product squads. Skills More ❯

App) Location: London (Hybrid) Salary: £55,000 – £58,000 Team: 5 Analysts Reports to: Analytics Leadership (VP Engineering) Want your analysis to actually impact product strategy? This is a rare opportunity to own analytics for a brand-new global dating product within a leading consumer tech ecosystem. Think: fast-paced, insight-driven, and zero … experiments, and better user journeys. Everything you build – from dashboards to experimentation frameworks – directly shapes user experience across millions. Think: → Conversion insights that actually influence design → A / B tests that impact global rollouts → Retention analysis that feeds growth What You'll Be Doing Core Focus Areas: Funnel & Retention Analytics – match rates, churn models, engagement … loops A / B Testing & Experimentation – clean design, robust analysis, clear comms Dashboards & Reporting – Power BI / Tableau, self-serve tools, performance reviews You’ll sit at the intersection of data, product, and strategy — giving you end-to-end ownership and visibility. Who We’re Looking For Must Haves: 8+ years in More ❯

App) Location: London (Hybrid) Salary: £55,000 – £58,000 Team: 5 Analysts Reports to: Analytics Leadership (VP Engineering) Want your analysis to actually impact product strategy? This is a rare opportunity to own analytics for a brand-new global dating product within a leading consumer tech ecosystem. Think: fast-paced, insight-driven, and zero … experiments, and better user journeys. Everything you build – from dashboards to experimentation frameworks – directly shapes user experience across millions. Think: → Conversion insights that actually influence design → A / B tests that impact global rollouts → Retention analysis that feeds growth What You'll Be Doing Core Focus Areas: Funnel & Retention Analytics – match rates, churn models, engagement … loops A / B Testing & Experimentation – clean design, robust analysis, clear comms Dashboards & Reporting – Power BI / Tableau, self-serve tools, performance reviews You’ll sit at the intersection of data, product, and strategy — giving you end-to-end ownership and visibility. Who We’re Looking For Must Haves: 8+ years in More ❯

CRO Manager £300-325 per day Outside IR35 Hybrid (London) We're working with a leading digital consultancy who are looking for a skilled CRO Manager to join their team on a contract basis. If you're passionate about experimentation, data-driven decision-making, and optimising digital experiences, this is a fantastic … London office Duration: 3 (with potential extension) What you'll be doing: Own and manage the CRO strategy across multiple client projects. Design, implement, and analyse A / B and multivariate tests. Collaborate with UX, design, and analytics teams to identify optimisation opportunities. Translate data insights into actionable recommendations that improve conversion. Present test outcomes … recommendations to clients and stakeholders. What we're looking for: Proven experience in CRO management within digital consultancy, agency, or client-side roles. Strong knowledge of A / B testing tools (e.g. Optimizely, VWO, Google Optimize, Adobe Target). Comfortable working with web analytics platforms (GA4, Adobe Analytics, etc.). Data-driven mindset More ❯

Experienced Data Scientist 12 month contract TBC Market Rate - Depending on experience level IR35 Status Outside TBC Hybrid / Remote (UK Right to work) with Travel to London Experienced Data Scientist working on a new initiative to build and deploy a modelling solution to predict & optimise advertising campaign performance as part of a productionised, customer-facing SaaS product. Ideally looking for experience in Media / Advertising sector or similar. Experience - Must-haves: * Must have a number of years working commercially as a Data Scientist * Solid understanding of & real-world experience implementing data science & statistical principles - e.g. applied statistics, model selection, cross-validation, objective functions, hyperparameter tuning … Tableau or PowerBI * Experience working on a SaaS (Software-as-a-Service) application * Experience working with Kubeflow Pipelines * Experience developing on a Mac / Unix environment * Knowledge of CICD pipeline design & implementation * Experience modelling using GenAI, LLMs or neural networks in general * A / B testing More ❯

CRO Manager (Contract) £325 per day (Outside IR35) Digital Agency We are looking for a CRO Manager to lead A / B testing, personalisation, and digital experience optimisation across both client projects and internal initiatives. Role & Responsibilities: Design, implement, and analyse A / B tests and More ❯

Our client is looking for a Data Analyst to support customer retention across EMEA. This role will play a key part in understanding and improving customer experience, from product onboarding to lifecycle communications. You'll help … them answer the big question - are they working? What you'll be doing: Partnering cross-functionally to design, roll out, and measure new customer experiences Leading A / B tests to measure and optimise customer retention strategies Defining KPIs and providing insights into what 'success' really looks like Building dashboards to make insights actionable What … we're looking for: Strong analytical mindset; not just dashboards but the ability to break down problems logically A / B testing expertise Advanced SQL skills (moderate queries, aggregations, data manipulation) Ability to define, measure and communicate insights clearly If you're a data-driven problem solver who thrives on turning More ❯

teams to deliver a best-in-class e-commerce experience. What You'll Be Doing Conduct user research (interviews, surveys, usability testing, A / B testing) to understand behaviours, needs, and pain points. Analyse data from tools such as Google Analytics, heatmaps, and session recordings to identify opportunities for … incorporating feedback. Plan and run usability tests, iterating based on findings and business objectives. Contribute to and evolve the design system for consistency and efficiency. Stay current with UX / UI best practices, competitor activity, and emerging technologies, ensuring we remain innovative and relevant for Gen Z customers. What You'll Need Proven UX design experience, with a strong portfolio showcasing a user-centered design process from research to implementation. Experience designing for online retail / e-commerce platforms is essential. Technical Skills: Proficiency in industry-standard design and prototyping tools (e.g., Figma, Sketch, Adobe XD, InVision). Experience with user research tools (e.g., Hotjar, Optimizely, Qualtrics). Familiarity with analytics tools (e.g. More ❯

deployment, in a collaborative and high-impact environment. Drive architectural decisions and development best practices across technologies like Python, React, Kubernetes, object storage, Terraform, and both Linux / Windows deployments. Encourage a culture of creative problem-solving, A / B testing of processes, and continuous experimentation to improve … to grow technically and professionally. Lead your teams through defects in production, complex troubleshooting, and process streamlining under pressure. Apply a DevOps mindset with knowledge of CI / CD, IaaS, deployment architectures, and GPU-based infrastructure. Oversee and optimise development operations using tools such as Jira and Confluence. Take full ownership of technical processes, tech debt, and … Infrastructure Leads to align software outcomes with business goals. Leverage your understanding of AI tooling and modern frameworks (e.g. LangChain, DeepSeek) to guide effective integration into internal platforms. Requirements / experience: Proven experience leading software development teams in a scale-up or fast-growth tech environment Strong background in DevOps, cloud-native development, and infrastructure-as-a More ❯

contract on a hybrid basis with 3 days a week in the London offices. Key Responsibilities Conversion Optimisation & Experimentation Design and execute A / B and multivariate tests to improve in-product conversion and engagement metrics. Define key success metrics (activation rate, trial-to-paid, retention, churn reduction) and build dashboards … for growth. Use quantitative (analytics, funnel tracking, cohort analysis) and qualitative (user testing, surveys, feedback) data to identify barriers to conversion. Work closely with product managers, UX / UI designers, and engineers to ship impactful optimisations. Skills & Experience Proven track record in CRO roles, ideally focused on in-product optimisation (SaaS, subscription, or ecommerce experience preferred). … Strong expertise with tools like Google Optimize, Optimizely, VWO, Amplitude, Mixpanel, GA4, Hotjar, FullStory, or similar. Hands-on experience building and analysing A / B tests, multivariate tests, and funnel optimisation. Proficiency in journey mapping and lifecycle design with a customer-centric approach. Strong understanding of UX best practices, persuasion principles, and behavioural More ❯

contract on a hybrid basis with 3 days a week in the London offices. Key Responsibilities Conversion Optimisation & Experimentation Design and execute A / B and multivariate tests to improve in-product conversion and engagement metrics. Define key success metrics (activation rate, trial-to-paid, retention, churn reduction) and build dashboards … for growth. Use quantitative (analytics, funnel tracking, cohort analysis) and qualitative (user testing, surveys, feedback) data to identify barriers to conversion. Work closely with product managers, UX / UI designers, and engineers to ship impactful optimisations. Skills & Experience Proven track record in CRO roles, ideally focused on in-product optimisation (SaaS, subscription, or ecommerce experience preferred). … Strong expertise with tools like Google Optimize, Optimizely, VWO, Amplitude, Mix panel, GA4, Hotjar, FullStory, or similar. Hands-on experience building and analysing A / B tests, multivariate tests, and funnel optimisation. Proficiency in journey mapping and lifecycle design with a customer-centric approach. Strong understanding of UX best practices, persuasion principles, and More ❯

contract on a hybrid basis with 3 days a week in the London offices. Key Responsibilities Conversion Optimisation & Experimentation Design and execute A / B and multivariate tests to improve in-product conversion and engagement metrics. Define key success metrics (activation rate, trial-to-paid, retention, churn reduction) and build dashboards … for growth. Use quantitative (analytics, funnel tracking, cohort analysis) and qualitative (user testing, surveys, feedback) data to identify barriers to conversion. Work closely with product managers, UX / UI designers, and engineers to ship impactful optimisations. Skills & Experience Proven track record in CRO roles, ideally focused on in-product optimisation (SaaS, subscription, or ecommerce experience preferred). … Strong expertise with tools like Google Optimize, Optimizely, VWO, Amplitude, Mix panel, GA4, Hotjar, FullStory, or similar. Hands-on experience building and analysing A / B tests, multivariate tests, and funnel optimisation. Proficiency in journey mapping and lifecycle design with a customer-centric approach. Strong understanding of UX best practices, persuasion principles, and More ❯

ABOUT AVANT ARTE Avant Arte is a curated marketplace that makes discovering and collecting art radically more accessible for a new generation. Our team of passionate experts collaborate with leading contemporary artists from across the globe to create bespoke limited-edition artworks to browse and collect. We began as a cult blog of contemporary … ups to maximising conversions. Testing and optimisation Spearhead a robust testing programme, focusing on continuous improvement of email campaigns through A / B testing, content variations, and audience segmentation. Use data insights to optimise email strategies and workflows to ensure campaigns are consistently improving and delivering results. … Collaborate with the design and content teams to ensure high-quality creative assets and messaging for each campaign. The main skills we're looking for: Proven experience leading CRM / retention strategy in a startup or high-growth environment, ideally e-commerce or consumer tech. Proven ability to guide and support a small team, fostering More ❯

Senior Data Analyst / Insight Analyst - Contract - Predictive Modelling Rate: £370-£400 / day (Outside IR35) Location: Remote-first (occasional office visits) Start Date: ASAP | Duration: Initial contract, likely extension The Role We're seeking a Senior Data / Insight Analyst with strong predictive modelling and recommendation engine experience to help build an in-house … advanced analytics to make ads more intelligent, relevant, and incremental-uncovering what customers will love, not just what they've bought before. What You'll Do Build & optimise recommendation / personalisation models . Drive incremental targeting beyond repeat-purchase patterns. Apply predictive analytics to customer behaviour & purchase history. Use Python (essential), SQL , and ideally PySpark to deliver insights. Collaborate … to align models with business goals. Translate data into clear, actionable insights. (Bonus) Explore AI-driven ad content opportunities. What We're Looking For Proven experience with predictive modelling / recommender systems . Strong Python & SQL skills (essential). Exposure to PySpark (desirable). Strong communicator with ability to link data to business outcomes. (Bonus) Experience with Generative AI More ❯

About Data at Holland & Barrett Analytics Manager – Product Analytics Work on the inside of one of Europe's biggest health & wellness transformations. Lead a high-performing analytics function that powers product development, customer journeys, and digital experience across Holland & Barrett's digital platforms. About the Role At Holland & Barrett (H&B), we want to empower everyone … to live healthier, happier lives. With over 150 years of experience, we're the largest health & wellness retailer in Europe and a globally trusted brand. Our ambition is to become the world's most trusted wellness partner, chosen by over 100 million people worldwide. Our Analytics organisation is structured into five verticals: four embedded analytics areas aligned to … analytics for squads focused on core digital journeys, enabling experimentation, feature optimisation, and UX improvements. Oversee delivery of decision-support tools and dashboards in Metabase for A / B testing, UX / UI evaluation, and performance monitoring. Own planning and prioritisation across analytics workstreams, coordinating closely with BI and Data Engineering. Uphold More ❯

you check out online? We make it happen. is where the world checks out. Our global network powers billions of transactions every year, making money move without making a fuss. We spent years perfecting a service most people will never notice. Because when digital payments just work, businesses grow, customers stay, and no one stops to … key cross-functional stakeholders including Commercial. You will be a key driver in identifying opportunities to improve end-to-end performance, including conversion, acceptance rates, and fraud / risk implications for Flow. Key responsibilities: Own the end to end flow: Analyze user interaction, identify areas for improvement, and design experiments to optimize the payment experience, feature adoption … to implement and iterate on new features and product improvements. Garner deep customer insights: Gather insights from merchants and users through regular engagement, surveys, interviews, and A / B testing to understand their needs and pain points. Monitor and analyze key metrics: Track and analyze key performance indicators (KPIs) to measure the effectiveness More ❯

Our client based in West Drayton is looking for an Amazon Specialist – Growth-Focused Marketplace Manager to join their team. Our client is a fast-growing, UK-based business specialising in licensed children’s products, distributed primarily through retail partners. With a strong foothold in physical retail, we are now investing in growing our Amazon division … edge. Build and mentor a future e-commerce team as the Amazon channel grows. What they are looking for: Proven success launching and scaling Amazon marketplaces (Vendor / Seller) with a track record of 20%+ YoY growth. Deep understanding of Amazon’s ecosystem, including PPC, SEO, Buy Box dynamics, listing optimisation, A / B testing, and inventory planning. Highly data-driven and results-focused, with experience managing six-figure advertising budgets and delivering strong ROAS. Experience working with or leading cross-functional and international teams, including marketing, logistics, and content. Familiarity with tools like Helium 10, Jungle Scout, Amazon Brand Analytics, and external paid media More ❯

Our client based in West Drayton is looking for an Amazon Specialist – Growth-Focused Marketplace Manager to join their team. Our client is a fast-growing, UK-based business specialising in licensed children’s products, distributed primarily through retail partners. With a strong foothold in physical retail, we are now investing in growing our Amazon division … edge. Build and mentor a future e-commerce team as the Amazon channel grows. What they are looking for: Proven success launching and scaling Amazon marketplaces (Vendor / Seller) with a track record of 20%+ YoY growth. Deep understanding of Amazon’s ecosystem, including PPC, SEO, Buy Box dynamics, listing optimisation, A / B testing, and inventory planning. Highly data-driven and results-focused, with experience managing six-figure advertising budgets and delivering strong ROAS. Experience working with or leading cross-functional and international teams, including marketing, logistics, and content. Familiarity with tools like Helium 10, Jungle Scout, Amazon Brand Analytics, and external paid media More ❯

crucial to driving measurable improvements in user acquisition, activation, engagement, and retention through data-driven experimentation, funnel analysis, and personalised journey building. Responsibilities: Design and execute A / B and multivariate tests to improve in-product conversion and engagement metrics. Own the experimentation roadmap across onboarding, upsell flows, feature adoption, and cross-sell opportunities. Define … , surveys, feedback) data to identify barriers to conversion. Partner with data teams to segment users and personalise journeys. Provide actionable insights to product, marketing, and engineering teams Skills / Experience: Proven track record in CRO roles, ideally focused on in-product optimisation (SaaS, subscription, or ecommerce experience preferred). Strong expertise with tools like Google Optimize, Optimizely, VWO … Amplitude, Mixpanel, GA4, Hotjar, FullStory, or similar. Hands-on experience building and analysing A / B tests, multivariate tests, and funnel optimisation. Proficiency in journey mapping and lifecycle design with a customer-centric approach. Strong understanding of UX best practices, persuasion principles, and behavioural psychology. Data literacy: ability to analyse large datasets, run More ❯