1 to 25 of 181 A/B Testing Jobs in London

vc_row vc_column global-empty-space vc_column_text The Basics / vc_column_text global-empty-space basic_container container_size="container container-narrow" vc_row_inner vc_column_inner width="1 / 3" vc_single_image image="26598" img_size= alignment="center" vc_column_text Company HQ: London, ON / vc_column_text / vc_column_inner vc_column_inner width="1 / 3" vc_single_image image="26597" img_size= alignment="center" vc_column_text Work Location: Hybrid - remote + 2-days / week in office (London, ON) / vc_column_text / vc_column_inner vc_column_inner width="1 / 3" vc_single_image image … img_size= alignment="center" css=".vc_custom_ padding-top: -10px !important; " vc_column_text Type of Work / Status: Full-time, permanent / vc_column_text / vc_column_inner / vc_row_inner vc_row_inner vc_column_inner width="1 / 3" vc_single_image image="26593" img_size="full" alignment="center More ❯

execution and learning. Key Responsibilities Build a Best-in-Class Experimentation Culture Define and champion experimentation standards across both client-side and server-side A / B testing. Lead the delivery of a consistent framework for hypothesis-led testing — from conversion rate optimisation to new product validation. Be the … go-to expert on causal inference and offsite experimentation approaches to measure marketing and media impact when A / B testing isn’t possible. Operate a Centre of Excellence Manage a small team of 3 direct reports. Act as a central advisor across Product, Trade, Personalisation, and … and-learn principles into product development lifecycles and roadmap decisions. Govern the experimentation pipeline to ensure alignment with commercial priorities and speed of learning. Insight & Enablement Partner with analytics / implementation to ensure meaningful KPIs, robust implementation, and actionable insight from every test. Drive knowledge sharing of experimentation learnings across brands, platforms, and functions. Bring visibility to where we More ❯

execution and learning. Key Responsibilities Build a Best-in-Class Experimentation Culture Define and champion experimentation standards across both client-side and server-side A / B testing. Lead the delivery of a consistent framework for hypothesis-led testing — from conversion rate optimisation to new product validation. Be the … go-to expert on causal inference and offsite experimentation approaches to measure marketing and media impact when A / B testing isn’t possible. Operate a Centre of Excellence Manage a small team of 3 direct reports. Act as a central advisor across Product, Trade, Personalisation, and … and-learn principles into product development lifecycles and roadmap decisions. Govern the experimentation pipeline to ensure alignment with commercial priorities and speed of learning. Insight & Enablement Partner with analytics / implementation to ensure meaningful KPIs, robust implementation, and actionable insight from every test. Drive knowledge sharing of experimentation learnings across brands, platforms, and functions. Bring visibility to where we More ❯

Depop you'll work in one of our Product teams to add new functionality as well as improve existing features through a data driven A / B testing workflow. You will be working in Swift, alongside a cross-functional team, leveraging our Mobile Continuous Integration pipeline, with Unit and … more about Depop & our engineering team? Take a look at our blog! We write about technology, people and smart engineering - Support the team to deliver weekly features / upgrades. Take full ownership of the components the team ships to the iOS app. Monitor and resolve issues. Support the A / B testing … Mobile Continuous Integration framework. Experience with Unit (XCTest) and Integration Testing. Experience in consuming a RESTful API. Experience with the VIPER architecture. Experience with A / B testing and solving complex experiments Additional Information PMI and cash plan healthcare access with Bupa Subsidised counselling and coaching with Self Space Cycle to More ❯

London, United Kingdom Posted on 12 / 09 / 2025 We're hiring a Data Scientist with strong Generative-AI experience to design, build, and ship AI-powered tools end-to-end. You'll work in a small, multi-disciplinary team and take ownership from discovery to deployment: scoping use-cases, building prototypes, hardening … them for production, and putting the right evaluation and governance around them. What you'll do Build GenAI tools end-to-end (independently): chat / assistants, document Q&A (RAG), summarisation, classification, extraction, and workflow / agent automations. Own evaluation & safety : create offline / online eval sets, measure faithfulness / hallucination, bias, safety, latency … and cost; add guardrails and red-teaming. Productionise : package as services / APIs or lightweight apps (e.g., Streamlit / Gradio / React), containerise, and integrate via CI / CD. Data pipelines : design chunking / embedding strategies, pick vector stores, manage prompt / versioning, and monitor drift & quality. Model strategy : select and mix providers (hosted More ❯

and cultural institutions, frictionless technology, and vast data and insights, TTG is at the forefront of the digital transformation of culture. Life at TodayTix Group We thrive in a nimble, growth-oriented environment where adaptability, curiosity, and a bias toward action help us stay ahead of the curve. We move quickly, iterate often, and expect everyone … a defined activation window (e.g., 7 days). Acquisition-driven revenue growth : Contribution of acquisition funnel optimizations to topline revenue, broken down by region. A / B test velocity and impact : Track the number of A / B tests shipped each quarter and the percentage that lead to … improvements across onboarding, show discovery and pricing displays. Partner closely with our performance marketing team to align on user intent, landing experience, and personalization opportunities Lead A / B testing efforts around conversion rate optimization, working closely with design, research, and data Collaborate with other TodayTix product managers to ensure smooth handoffs and More ❯

tools and methodologies. Your expertise will directly impact our clients' digital performance, ensuring optimal user experiences and increased conversion rates. Role & Responsibilities: Design, implement, and analyse A / B tests and multivariate experiments to optimize user journeys Leverage CRO tools such as Adobe Target, Optimizely, GA4, and Adobe Analytics to gather insights and inform strategies … stakeholders Benefits £300-£325 per day outside IR35 How to Apply Register your interest by sending your CV to Lloyd Dunstall via the Apply link on this page Experimentation / CRO / AB Testing / Testing / Optimizely / Content Square / Adobe Analytics / GA4 / Adobe … Target / Hotjar More ❯

of the customer-facing onboarding journey. Working with a tech-stack including:React,GraphQL,Typescript,Vercel Setting up and driving regular experimentation, advocating for A / B testing and data-driven decision making Continuous management of Meta Pixels, Google Ads Tags, and Google Tag Manager to ensure consistent and accurate event … journey Able to investigate and resolve tracking discrepancies between ad platforms, analytics tools (e.g. GA4) Work closely with our Growth, Creative, and Product teams to support A / B testing and new feature rollouts with correct analytics implementations. Act as a technical advocate for marketing to ensure full measurability and tracking … fidelity. WHAT WE'RE LOOKING FOR: 5+ years in software engineering roles Strong experience in React, GraphQL, and TypeScript Familiarity with Vercel, Next.js, and modern CI / CD workflows Deep understanding of building customer-facing journeys (onboarding, checkout) Ability to communicate complex technical concepts to non-technical stakeholders. Experience managing tracking / tagging infrastructure for marketing platforms. Proficiency More ❯

Job Title: Digital Journey Manager Client Location: Central London - Hybrid (3 days on-site) Starting: October 25 Salary / Pay Rate: £284.81 per day / 74,000 per annum Hours: Full-time Duration: 12 months Empower small businesses and self-employed individuals worldwide! As a Digital Journey Manager, you'll be a key player … and consistent with brand guidelines. Monitor journey performance through analytics and customer feedback, identifying areas for improvement and opportunities for innovation. Spearhead test-and-learn experiments (A / B testing, multivariate testing) to optimize the customer experience. Regularly report on performance metrics to senior leadership, showcasing achievements and identifying areas for … Demonstrated success in digital product, journey, or experience management. Solid understanding of digital analytics, customer research methodologies, and CX best practices. Experience with journey mapping tools, A / B testing platforms, and personalization technologies. Proven ability to manage multiple projects involving cross-functional teams in an Agile environment. Exceptional communication, stakeholder management, and More ❯

Job Title: Digital Journey Manager Client Location: Central London - Hybrid (3 days on-site) Starting: October 25 Salary / Pay Rate: £284.81 per day / 74,000 per annum Hours: Full-time Duration: 12 months Empower small businesses and self-employed individuals worldwide! As a Digital Journey Manager, you'll be a key player … and consistent with brand guidelines. Monitor journey performance through analytics and customer feedback, identifying areas for improvement and opportunities for innovation. Spearhead test-and-learn experiments (A / B testing, multivariate testing) to optimize the customer experience. Regularly report on performance metrics to senior leadership, showcasing achievements and identifying areas for … Demonstrated success in digital product, journey, or experience management. Solid understanding of digital analytics, customer research methodologies, and CX best practices. Experience with journey mapping tools, A / B testing platforms, and personalization technologies. Proven ability to manage multiple projects involving cross-functional teams in an Agile environment. Exceptional communication, stakeholder management, and More ❯

Job Title: Digital Journey Manager Client Location: Central London - Hybrid (3 days on-site) Starting: October 25 Salary / Pay Rate: £284.81 per day / 74,000 per annum Hours: Full-time Duration: 12 months Empower small businesses and self-employed individuals worldwide! As a Digital Journey Manager, you'll be a key player … and consistent with brand guidelines. Monitor journey performance through analytics and customer feedback, identifying areas for improvement and opportunities for innovation. Spearhead test-and-learn experiments (A / B testing, multivariate testing) to optimize the customer experience. Regularly report on performance metrics to senior leadership, showcasing achievements and identifying areas for … Demonstrated success in digital product, journey, or experience management. Solid understanding of digital analytics, customer research methodologies, and CX best practices. Experience with journey mapping tools, A / B testing platforms, and personalization technologies. Proven ability to manage multiple projects involving cross-functional teams in an Agile environment. Exceptional communication, stakeholder management, and More ❯

Senior Product Analyst London | £75,000 - £85,000 + Stock Options & Pension | Hybrid (3 days in-office) A leading fundraising platform is seeking a Senior Product Analyst to join their growing team. This innovative business blends exciting prize draws with charitable giving, offering customers the chance to win luxury prizes while raising money for charity. With … role offers the chance to make an impact by influencing customer retention and product performance, with plenty of room for creativity and innovation. Key Responsibilities Lead A / B testing and experimentation to optimize product features and customer flows Analyze customer data to identify trends, improve app usage, and drive retention Collaborate with … website and app, continuously improving user experience What We're Looking For 4+ years of experience in product analytics , with a strong focus on A / B testing and SQL Strong SQL fluency (window functions a bonus) Commercial acumen - understanding how product decisions impact metrics like lifetime value Creativity More ❯

Senior Product Analyst London | £75,000 - £85,000 + Stock Options & Pension | Hybrid (3 days in-office) A leading fundraising platform is seeking a Senior Product Analyst to join their growing team. This innovative business blends exciting prize draws with charitable giving, offering customers the chance to win luxury prizes while raising money for charity. With … role offers the chance to make an impact by influencing customer retention and product performance, with plenty of room for creativity and innovation. Key Responsibilities Lead A / B testing and experimentation to optimize product features and customer flows Analyze customer data to identify trends, improve app usage, and drive retention Collaborate with … website and app, continuously improving user experience What We're Looking For 4+ years of experience in product analytics , with a strong focus on A / B testing and SQL Strong SQL fluency (window functions a bonus) Commercial acumen - understanding how product decisions impact metrics like lifetime value Creativity More ❯

Are At Ultralytics, we relentlessly drive innovation in AI, building the world's leading YOLO models. We're looking for passionate individuals obsessed with AI, eager to make a global impact, and ready to excel in a dynamic, high-energy environment. Join our team and help shape the future of AI. 🌎 Location and Legalities This full … improve our overall digital footprint. Meticulously tracking and analyzing campaign performance through key analytics, providing actionable insights to refine our strategy and maximize ROI. Implementing rigorous A / B testing on subject lines, content, design, and calls-to-action to continuously improve engagement and conversion rates. Collaborating closely with our engineering and content … and Google Analytics . Demonstrated success in managing and scaling large email lists (100k+ subscribers) and developing complex automation workflows. Deep understanding of email marketing metrics, A / B testing methodologies, and data-driven optimization. Exceptional writing and editing skills, with a talent for making complex topics like computer vision and More ❯

Are At Ultralytics, we relentlessly drive innovation in AI, building the world's leading YOLO models. We're looking for passionate individuals obsessed with AI, eager to make a global impact, and ready to excel in a dynamic, high-energy environment. Join our team and help shape the future of AI. 🌎 Location and Legalities This full … improve our overall digital footprint. Meticulously tracking and analyzing campaign performance through key analytics, providing actionable insights to refine our strategy and maximize ROI. Implementing rigorous A / B testing on subject lines, content, design, and calls-to-action to continuously improve engagement and conversion rates. Collaborating closely with our engineering and content … and Google Analytics . Demonstrated success in managing and scaling large email lists (100k+ subscribers) and developing complex automation workflows. Deep understanding of email marketing metrics, A / B testing methodologies, and data-driven optimization. Exceptional writing and editing skills, with a talent for making complex topics like computer vision and More ❯

Are At Ultralytics, we relentlessly drive innovation in AI, building the world's leading YOLO models. We're looking for passionate individuals obsessed with AI, eager to make a global impact, and ready to excel in a dynamic, high-energy environment. Join our team and help shape the future of AI. 🌎 Location and Legalities This full … improve our overall digital footprint. Meticulously tracking and analyzing campaign performance through key analytics, providing actionable insights to refine our strategy and maximize ROI. Implementing rigorous A / B testing on subject lines, content, design, and calls-to-action to continuously improve engagement and conversion rates. Collaborating closely with our engineering and content … and Google Analytics . Demonstrated success in managing and scaling large email lists (100k+ subscribers) and developing complex automation workflows. Deep understanding of email marketing metrics, A / B testing methodologies, and data-driven optimization. Exceptional writing and editing skills, with a talent for making complex topics like computer vision and More ❯

Are At Ultralytics, we relentlessly drive innovation in AI, building the world's leading YOLO models. We're looking for passionate individuals obsessed with AI, eager to make a global impact, and ready to excel in a dynamic, high-energy environment. Join our team and help shape the future of AI. 🌎 Location and Legalities This full … improve our overall digital footprint. Meticulously tracking and analyzing campaign performance through key analytics, providing actionable insights to refine our strategy and maximize ROI. Implementing rigorous A / B testing on subject lines, content, design, and calls-to-action to continuously improve engagement and conversion rates. Collaborating closely with our engineering and content … and Google Analytics . Demonstrated success in managing and scaling large email lists (100k+ subscribers) and developing complex automation workflows. Deep understanding of email marketing metrics, A / B testing methodologies, and data-driven optimization. Exceptional writing and editing skills, with a talent for making complex topics like computer vision and More ❯

deployment, maintenance, and performance evaluation, ensuring seamless integration into production environments for the Cint Exchange. Develop a comprehensive, predictive understanding of marketplace dynamics, including price elasticity, supply / demand balance, and their underlying mechanics within the Cint Exchange, providing deep analytical insights. Independently and confidently carry out complex project planning, development, and maintenance end-to-end with … learning methods, setting modeling standards and best practices. Conduct exploratory analyses to deepen insights into key metrics and trends, and lead the design and execution of A / B tests and other complex experiments to validate hypotheses for the Exchange. Continuously evaluate and validate both internal and external products to ensure Cint's continued success … field. Strong ability to manipulate, analyze, and interpret large, complex datasets independently. Deep understanding of advanced statistical techniques and concepts (e.g., properties of distributions, hypothesis testing, parametric / non-parametric tests, survey design, sampling theory, experimental design, including multivariate testing, regression / predictive modeling, causal inference, and A / B More ❯

Digital Product Analyst London - 4 days in office Up to £50,000 A leading fashion retail company is seeking a Digital Product Analyst to join the team! THE COMPANY This company is a leading British fashion brand and they are looking for someone to join their Digital Analytics function as a Digital … product development THE ROLE Creating dashboards for insights and analytics of digital products Performing analysis to identify opportunities for optimisation of the website Supporting analysis of A / B testing results Develop relationships with various teams such as Product and Experimentation Using a range of tools such as SQL, Google Analytics … Optimizely, Big Query YOUR SKILLS AND EXPERIENCE Experience tracking on-site user journeys to identify areas of improvement Strong experience using SQL Experience in Google Analytics A / B testing experience with tools such as Optimizely Visualisation experience with tools such as Looker Studio / Power BI / Tableau BENEFITS Up More ❯

Digital Product Analyst London - 4 days in office Up to £50,000 A leading fashion retail company is seeking a Digital Product Analyst to join the team! THE COMPANY This company is a leading British fashion brand and they are looking for someone to join their Digital Analytics function as a Digital … product development THE ROLE Creating dashboards for insights and analytics of digital products Performing analysis to identify opportunities for optimisation of the website Supporting analysis of A / B testing results Develop relationships with various teams such as Product and Experimentation Using a range of tools such as SQL, Google Analytics … Optimizely, Big Query YOUR SKILLS AND EXPERIENCE Experience tracking on-site user journeys to identify areas of improvement Strong experience using SQL Experience in Google Analytics A / B testing experience with tools such as Optimizely Visualisation experience with tools such as Looker Studio / Power BI / Tableau BENEFITS Up More ❯

Digital Product Analyst London - 4 days in office Up to £50,000 A leading fashion retail company is seeking a Digital Product Analyst to join the team! THE COMPANY This company is a leading British fashion brand and they are looking for someone to join their Digital Analytics function as a Digital … product development THE ROLE Creating dashboards for insights and analytics of digital products Performing analysis to identify opportunities for optimisation of the website Supporting analysis of A / B testing results Develop relationships with various teams such as Product and Experimentation Using a range of tools such as SQL, Google Analytics … Optimizely, Big Query YOUR SKILLS AND EXPERIENCE Experience tracking on-site user journeys to identify areas of improvement Strong experience using SQL Experience in Google Analytics A / B testing experience with tools such as Optimizely Visualisation experience with tools such as Looker Studio / Power BI / Tableau BENEFITS Up More ❯

Digital Product Analyst London - 4 days in office Up to £50,000 A leading fashion retail company is seeking a Digital Product Analyst to join the team! THE COMPANY This company is a leading British fashion brand and they are looking for someone to join their Digital Analytics function as a Digital … product development THE ROLE Creating dashboards for insights and analytics of digital products Performing analysis to identify opportunities for optimisation of the website Supporting analysis of A / B testing results Develop relationships with various teams such as Product and Experimentation Using a range of tools such as SQL, Google Analytics … Optimizely, Big Query YOUR SKILLS AND EXPERIENCE Experience tracking on-site user journeys to identify areas of improvement Strong experience using SQL Experience in Google Analytics A / B testing experience with tools such as Optimizely Visualisation experience with tools such as Looker Studio / Power BI / Tableau BENEFITS Up More ❯

Principal Data Scientist London, UK (Hybrid) Up to £135,000 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 … 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 … plus Deep understanding of statistical modelling, predictive analytics, and optimisation techniques Comfortable working with cross-functional teams, including engineers, product leads, and client stakeholders Experience with A / B testing and causal inference methodologies Bachelor’s or Master’s degree in a quantitative field (e.g., Mathematics, Physics, Engineering, Computer Science) Excellent More ❯

Principal Data Scientist London, UK (Hybrid) Up to £135,000 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 … 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 … plus Deep understanding of statistical modelling, predictive analytics, and optimisation techniques Comfortable working with cross-functional teams, including engineers, product leads, and client stakeholders Experience with A / B testing and causal inference methodologies Bachelor’s or Master’s degree in a quantitative field (e.g., Mathematics, Physics, Engineering, Computer Science) Excellent More ❯

objectives, and roadmap, ensuring alignment with company strategy and stakeholder needs. Undertake product discovery and research to identify opportunities, validate ideas, and shape product direction. Incorporate feature requests, client / user feedback, and market insights into the roadmap. Balance customer needs, business goals, and technical feasibility when making prioritization decisions. Develop clear user stories and acceptance criteria that translate … retrospectives. Define product KPIs, gather insights, and use data to drive continual improvement. Collaborate with analytics to define tracking and reporting requirements, and use experimentation (e.g., A / B testing) to validate impact. Manage the product lifecycle from idea to launch, and oversee ongoing optimization. Engage stakeholders to capture requirements, manage expectations, and … GA4). Experience in a B2B SaaS environment or with scaling digital products. Familiarity with aligning roadmaps with OKRs or business KPIs. Exposure to A / B testing and experimentation methods. BENEFITS OF WORKING WITH US Learning & Development - A personal learning budget to fuel your development, with clear growth More ❯