101 to 125 of 343 A/B Testing Jobs in London

roadmaps and executive decisions. Collaborate with cross-functional stakeholders (Operations, Product, Finance, C-Suite) to integrate analytics into strategic planning. Experimentation & Validation Design, run and analyze A / B tests, simulations and other experimental frameworks to validate hypotheses related to routing and optimisation. Ensure statistical rigor and business relevance in all experiments; translate results into … science expertise not required). Advanced, proven hands-on skills in SQL, Python, and dashboarding tools such as Tableau. Demonstrable track record designing, executing, and analysing A / B tests or large-scale simulations to deliver business impact. Data-Driven Decision Making: Confidence in using insights and KPIs to track progress and refine strategies. Deep … and towels if you cycle! Keeping you refreshed: Enjoy an in-house barista and free breakfast every day Social Scene: Thursday drinks and regular social activities Celebrating Success: 1 / 4 performance awards with prizes and an annual performance awards - last years winner enjoyed a 4 day all expenses paid trip to the French alps! Skills Booster More ❯

forward strategic initiatives to achieve wider business goals Align and engage stakeholders, set the product roadmap, prioritise features, build consensus, and coordinate product schedules with business teams, engineers and / or independent contractors to ship high-quality experiences; Foster a culture of testing, data-driven decision making, and accountability for metrics and results; Host and … beneficial, especially in the lending or brokering space You are analytically minded, comfortable using data to understand and communicate product performance (experience with Google Analytics, SQL, Google Sheets and / or Segment beneficial) You create structure out of ambiguity and have a pragmatic "can do" and "make it happen" attitude in a collaborative way You … You have demonstrable success delivering consumer facing products that drive real user value and business financial goals You understand the value of both user experience and A / B testing to find product / market fit Our commitment to you: At RVU, we are dedicated to developing valuable, inclusive, and user-friendly More ❯

our interactions with colleagues and clients. Our values guide what we say and do-every moment of every day. Job Summary: We are seeking a talented UI / UX Expert with 5-10 years of experience to join our dynamic team. The ideal candidate will have a deep understanding of user-centered design principles, expertise … Collaborate with cross-functional teams to define, design, and deliver user-friendly interfaces for web and mobile applications. Conduct user research, usability testing, and A / B testing to gather insights and validate design decisions. Create wireframes, prototypes, and high-fidelity mockups using Figma to effectively communicate design concepts. Develop and … and best practices to inform design strategy and innovation. Mentor junior designers and contribute to a collaborative team environment. Qualifications: 5-10 years of experience in UI / UX design, preferably in a fast-paced digital environment. Proficiency in Figma and other design tools (e.g., Adobe Creative Suite, Sketch). Strong portfolio showcasing design projects More ❯

Digital Trading Executive Rapha launched in 2004 to redefine cycling apparel. Today progressive design and storytelling has built a global movement. We love cycling in all its forms, from the city streets to the highest peaks. And we know its power to transform lives. Led by innovation, we embody this love through a dedication to the … world's greatest sport, by setting a new standard in design and pushing the cutting edge of performance and human craft. Our Digital Trading team execute the eCommerce strategy by managing and loading online product content and then monitoring, evaluating and optimising the product selection and presentation on the website. The team loves data and uses insights and … verbal communication skills with ability to collaborate across teams and regions Background in retail merchandising, eCommerce, or digital marketing Experience with eCommerce platforms, analytics tools, and A / B testing methodologies Naturally curious with a passion for data-driven decision making High energy and ambitious attitude with desire to contribute to More ❯

Lightricks, an AI-first company, is revolutionizing how visual content is created. With a mission to bridge the gap between imagination and creation, Lightricks is dedicated to bringing cutting-edge technology to the creative and business spaces. Our advanced AI photo and video generation models, including our open-source LTXV model, power our apps and platforms including Facetune … managers, engineers, and business stakeholders to uncover user needs and translate them into product opportunities. Establish the foundation for our experimentation program - from measurement frameworks to A / B testing capabilities. Design and implement quantitative and qualitative research to validate product opportunities and synthesize findings into actionable recommendations. Partner with data engineers and … data to drive product strategy Experience with generative AI technologies - A plus Stock Options. Private Medical Insurance (Optical & Dental cover) including your loved ones. Life Assurance. £750p / a allowance for Wellbeing & Professional Development. Free on-site lunches, coffee, breakfast & snacks. Pension Contributions (7%). Holiday (25 days). Seasonal & Anniversary Vouchers. Cool office space More ❯

Lyst is a global fashion shopping platform founded in London in 2010 and catering to over 160M shoppers per year. We offer our customers the largest assortment of premium & luxury fashion products in one place, curating pieces from 27,000 of the world's leading brands and stores. In 2025, Lyst joined Zozo, operators of Zozotown, the leading … sure of future advancement based on our four pillars: Technical Skill, Getting Stuff Done, Impact and Leadership. A deep understanding of Apple's design principles and UI / UX standards. Strong proficiency in Swift and the iOS SDK Experience with SwiftUI for building modern user interfaces Solid understanding of clean architecture, design patterns (MVVM) and principles (SOLID … DRY) Experience with dependency management using Swift Package Manager Comprehensive knowledge of Unit and UI testing frameworks Proficiency with CI / CD pipelines and App Store submission processes (Bitrise, Fastlane) Experience with performance and memory tuning tools. Experience with A / B testing and solving complex experiments. We like to More ❯

Salary: £60,000 £70,000 + benefits Location: West London | Full-time in office Ever find yourself imagining how to guide someone from that first curious click to a lifelong obsession? The sort of person who doesnt just think about email open rates, but about how every touchpoint can make someone feel more connected? As the product youre … marketing through your CRM programmes will be centred on passion and obsession. Not anything boring. Were talking the kind of products the people who buy them know a lot about, have a real enthusiasm for, and are willing to spend an awful lot of money on! Who youll be joining will be a growing … 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 Skilled at creating More ❯

Overview At Microsoft AI, our health team is on a mission to help millions of users better understand and proactively manage their health and wellbeing. We're responsible for ensuring that Microsoft AI's models and services are useful, trusted and safe across diverse customer health journeys. The Data Science Lead - Health AI role is an integral part … of the Microsoft Health AI team; and will act as a data generalist bringing visibility to our product efforts. We're looking for someone who thinks deeply about measurement and human-AI interactions. Across all our hires, it's important for colleagues to share our enthusiasm about the role of technology and AI in health and healthcare, but … and unstructured data, applying statistical techniques and reporting results) OR equivalent experience. Experience in leveraging complex data, applied data science, developing sophisticated algorithms, executing large-scale A / B testing, and possessing extensive product knowledge. Experience with metrics creation, predicting trend analysis, measuring traffic patterns, and assessing experimentation results. Proficiency in Python Preferred More ❯

CRM / CX Marketing Manager Chelsea, London | 5 days on site £50,000£63,000 base + 12% bonus + 9% pension + benefits Are you a CRM or CX marketing professional ready to take ownership of a global platform and shape how a brand engages with its customers? Were hiring a CRM / CX Marketing Manager to lead customer engagement through a robust marketing automation ecosystem. This is a high-impact role at the heart of a dynamic in-house marketing team, offering the opportunity to work hands-on with enterprise tech like Emarsys and SAP. What Youll Do Own and manage … world-class customer experience Drive reporting and performance analysis of campaigns, turning insights into actions Oversee data integration and hygiene across CRM, SAP, and external tools (APIs, imports / exports) Work closely with agency developers to QA, build, and launch personalised email and cross-channel communications Keep up to date with best practices in CX, CRM and data More ❯

strategic initiatives to enhance the RFID shopping and merchant experience, taking full ownership from conception through launch and optimization • Drive data-driven decision making through rigorous A / B testing and experimentation, ensuring statistical validity and measurable customer impact • Orchestrate cross-functional collaboration between engineering, design, applied science, and marketing teams to deliver … cohesive solutions • Define and prioritize product backlog based on customer needs, business value, and technical feasibility BASIC QUALIFICATIONS - Bachelor's degree - Experience owning / driving roadmap strategy and definition - Experience with feature delivery and tradeoffs of a product - Experience contributing to engineering discussions around technology decisions and strategy related to a product - Experience managing technical … a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country / region you're applying in isn't listed, please contact your Recruiting Partner. Our compensation reflects the cost of labor across several US geographic markets. The base pay for More ❯

Our story Blockchain is transforming online payments by enabling faster, cost-effective transactions without intermediaries. Helio's mission is to make crypto payments accessible to all. As a leading web3 payments platform, we now support over 6,000 merchants, developers, and millions of buyers with seamless crypto checkout for e-commerce, subscriptions, trading, and more. Our developer APIs … NFTs and all things blockchain. You may be fit for this role if you have: 5+ years of software engineering experience in backend teams primarily using Rust and Node / Node.js, TS & JS in a full stack environment Fluency in Solana Rust smart contracts with proven experience and projects 4+ years of experience in blockchain development. Practical … contracts on the mainnets of major blockchains Contribution to crypto projects with a substantial token market cap a plus Experience utilising all the latest CI / CD, APIs, Security, Collaborative IDEs on public cloud platforms Experience in containers, deployment pipelines, A / B testing, Blue / Green More ❯

Lead Data Analyst £85,000-£95,000 + benefits ️ SQL, Tableau, Python, Experimentation London, twice a week in office B-Corp retailer promoting recycling & sustainability We are partnered with a rapidly growing online retailer & B-Corp whose purpose is to encourage the recycling & sustainability. The role The Lead Analyst is key to … advancing analytical capabilities and data maturity, enabling the next stage of growth. This role is both a manager to at least one analyst as well as an individual contributor and will support the Director of Analytics in setting direction, driving broader initiatives and best practices for analytics across the business. What you'll be doing You will own … and manage one analyst and ensure their success and development. You will provide mentorship to the wider analytics team. What they need Impressive background in analytics, ideally from Ecommerce / Marketplace background. Technical expertise with SQL, Tableau / Looker / PowerBI and Python User funnel analysis experience, segmentation, and LTV forecasting. A / B 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 ❯

DIGITAL / WEB SPECIALIST £40,000–£50,000 LONDON – HYBRID (4 DAYS A WEEK) THE COMPANY This is an opportunity to join a high-growth, global education group known for acquiring and developing premium private schools. With a fast-paced and ambitious culture, they’ve recently centralised their web infrastructure and are investing … in performance and optimisation across their digital estate. THE ROLE: As Digital / Web Specialist, you’ll take ownership of a Drupal-based website platform covering multiple schools globally. You'll be responsible for ongoing site optimisation, with a strong focus on CRO, SEO, UX, and the use of automation / AI tools to … drive performance. KEY RESPONSIBILITIES: Manage and optimise a large-scale Drupal web platform Lead web performance improvements through CRO and A / B testing Own and execute on SEO strategies to improve visibility and engagement Use analytics to inform UX decisions and content improvements Collaborate cross-functionally across marketing, product, and More ❯

DIGITAL / WEB SPECIALIST £40,000–£50,000 LONDON – HYBRID (4 DAYS A WEEK) THE COMPANY This is an opportunity to join a high-growth, global education group known for acquiring and developing premium private schools. With a fast-paced and ambitious culture, they’ve recently centralised their web infrastructure and are investing … in performance and optimisation across their digital estate. THE ROLE: As Digital / Web Specialist, you’ll take ownership of a Drupal-based website platform covering multiple schools globally. You'll be responsible for ongoing site optimisation, with a strong focus on CRO, SEO, UX, and the use of automation / AI tools to … drive performance. KEY RESPONSIBILITIES: Manage and optimise a large-scale Drupal web platform Lead web performance improvements through CRO and A / B testing Own and execute on SEO strategies to improve visibility and engagement Use analytics to inform UX decisions and content improvements Collaborate cross-functionally across marketing, product, and More ❯

copywriters, content creators, and the wider marketing team. Customer Journey Optimisation: Collaborate with the Head of Marketing to analyse and improve the digital customer journey. Run A / B and multivariate tests with our CRO agency to optimise the conversion funnel. Oversee CRM and website agencies to implement customer journey improvements and manage data feeds … between systems. Take the lead on eCRM strategy, including management of ESP providers and CRM database oversight. UX / UI and Content Management: Partner with agencies to conduct user research and improve website UX. Manage content requests and ensure timely updates that comply with sustainability, compliance, and trading requirements. Project Management: Lead new website builds and projects, collaborating with … website management, and conversion rate optimisation. Experience using a CMS, with WordPress being a preference. Analytical mindset with strong skills in interpreting A / B test results and data analysis. Operational oversight of customer data to ensure compliance with privacy and security policies. Deep understanding of SEO best practices. Key Attributes More ❯

copywriters, content creators, and the wider marketing team. Customer Journey Optimisation: Collaborate with the Head of Marketing to analyse and improve the digital customer journey. Run A / B and multivariate tests with our CRO agency to optimise the conversion funnel. Oversee CRM and website agencies to implement customer journey improvements and manage data feeds … between systems. Take the lead on eCRM strategy, including management of ESP providers and CRM database oversight. UX / UI and Content Management: Partner with agencies to conduct user research and improve website UX. Manage content requests and ensure timely updates that comply with sustainability, compliance, and trading requirements. Project Management: Lead new website builds and projects, collaborating with … website management, and conversion rate optimisation. Experience using a CMS, with WordPress being a preference. Analytical mindset with strong skills in interpreting A / B test results and data analysis. Operational oversight of customer data to ensure compliance with privacy and security policies. Deep understanding of SEO best practices. Key Attributes More ❯

thoughtful insights that guide decisions. Build and nurture reporting systems that help product squads and leadership stay aligned and focused on outcomes. Design and run experiments (A / B testing) that help us refine researcher workflows. Communicate insights in an accessible and engaging way, tailored to different audiences. Collaborate with our Analytics Engineering … organised, and you take ownership while remaining open and responsive to feedback. Experience designing experiments and applying the right analytical techniques to answer meaningful questions. Bonus: Experience in Python / R is helpful but not required. A background in health, biotech, consumer tech, or B2B products is also a plus. If you're excited about … months through salary sacrifice £1,000 Employee Referral Bonus - Know someone amazing? Get rewarded for bringing them on board! Wellbeing Support - Access to Mental Health First Aiders, plus 24 / 7 online GP services and an Employee Assistance Programme for you and your family. A Great Place to Work - We have a lovely Central London More ❯

400M+ downloads. 75M+ monthly users. A decade of building - and we're still accelerating. Flo is the world's health app on a mission to build a better future for female health. Backed by a $200M investment led by General Atlantic, we became the first product of our kind to reach a … re building the next generation of digital health - AI-powered, privacy-first, clinically backed - to help our users know their body better. The job We're looking for a talented ASO Specialist to join our team and play a pivotal role in driving Flo's organic growth. If you're passionate about mobile app discovery, data … ASO tools such as AppTweak, Sensor Tower, Mobile Action, AppFollow, Appfigures, or similar platforms. Fluency in at least one key area of ASO, including keyword research, A / B testing, visual storytelling, copywriting, or data analysis / visualization. A collaborative mindset and the ability to work effectively within a More ❯

This job is brought to you by Jobs / Redefined, the UK's leading over-50s age inclusive jobs board. Location: Hybrid (London / Peterborough / Hybrid) Function: Data & AI Reports to: Director of Data & AI Solutions Why this role matters We're building the future of how people make financial decisions - and AI is at the … sprint planning, delivery focus, and accountability across your teams, working closely with Product and Engineering counterparts. Instill a strong experimentation mindset, including uplift modelling, A / B testing, and causal inference. Ensure robust MLOps practices are in place for deployment, monitoring, and retraining. Champion collaboration with Analytics Engineering and Data Platform … banking, or financial services Familiarity with ML development platforms and tooling, including model registries, feature stores, and frameworks for generative AI (e.g. OpenAI, LangGraph, Vertex AI) Understanding of CI / CD pipelines for machine learning and infrastructure-as-code tools (e.g. Terraform, CloudFormation) Exposure to advanced techniques such as large language models (LLMs), retrieval-augmented generation (RAG), and prompt More ❯

This is a fixed-term role until August 2026. Ready for a new challenge? Then Just Eat might be the place for you. We're a leading global online food delivery platform, and our vision is to empower everyday convenience. Whether it's a Friday-night feast, a post-gym … empower our developers to achieve faster deployments, improve reliability, enhance security and continuous innovation; ultimately benefiting our 84m+ customers and the entire JET business. We are looking for a Senior Technical Product Manager to join our Platform Engineering team. In this role, you will drive the vision, strategy, and roadmap for our experimentation and feature management platform. You … you bring to the table? Proven experience as a Technical Product Manager in Platform Engineering or similar. Experience in experimentation and feature management, including A / B testing, feature flagging, and supporting controlled rollouts at scale. Razor-sharp user focus is expected to deeply understand user needs, anticipate challenges, and drive More ❯

About 411: 411 is a political digital agency that originated from the winning team behind the Labour Party’s 2024 general election victory. We are committed to advancing progressive causes, working with clients across the UK and around the globe. Our mission is to deliver impactful digital strategies and content that drive meaningful change. We are unapologetically centre … start to finish. Ensure that campaigns are launched on time, within budget, and meet the highest standards of quality and effectiveness. Performance Optimisation: Create strategies for A / B testing, audience segmentation, and message testing techniques to maximise campaign impact. Client Management: Collaborate closely with clients to understand their goals and … Experience creating detailed ad reports is essential Experience working with additional advertising channels (e.g. TikTok, X, Programmatic) is desirable ⁠⁠Experience working in a political or third sector / NGO space is desirable Skills: Strong attention to detail with the ability to interpret and communicate data effectively. Excellent written and verbal communication skills. Proficiency in Excel or other More ❯

Agency: 411 Location: UK-based (with domestic and international travel) Job Type: Full-time Salary Band: £56,925 to £67,275 (dependent on experience) About 411 411 is a political digital agency that originated from the winning team behind the Labour Party’s 2024 general election victory. We are committed to advancing progressive causes, working with clients across … start to finish. Ensure that campaigns are launched on time, within budget, and meet the highest standards of quality and effectiveness. Performance Optimisation: Create strategies for A / B testing, audience segmentation, and message testing techniques to maximise campaign impact. Client Management: Collaborate closely with clients to understand their goals and … Experience creating detailed ad reports is essential Experience working with additional advertising channels (e.g. TikTok, X, Programmatic) is desirable ⁠⁠Experience working in a political or third sector / NGO space is desirable Skills: Strong attention to detail with the ability to interpret and communicate data effectively. Excellent written and verbal communication skills. Proficiency in Excel or other More ❯

At Trustpilot, we're on an incredible journey. We're a profitable, high-growth FTSE-250 company with a big vision: to become the universal symbol of trust. We run the world's largest independent consumer review platform, and while we've come a long way, there's still so much exciting work to … principles, including product strategy, roadmap development, and agile methodologies Demonstrated experience working in cross-functional teams and leading through influence, not authority. Expertise in user research, A / B testing, and data analysis to guide decision-making and product development. Skilled in critical assessment and oversight, with expertise in setting up and supervising … you and your community Rich learning and development opportunities are supported through the Trustpilot Academy, LinkedIn Learning, and Blinkist Pension and life insurance Health cash plan, online GP, 24 / 7, Employee Assistance Plan Full access to Headspace, a popular mindfulness app to promote positive mental health Paid parental leave Season ticket loan and a More ❯

Hello! We're Teya. Teya is a payment and software service provider, headquartered in London serving small, local businesses across Europe. Founded in 2019, we build easy to use, integrated tools that enable our members to accept payments and boost business performance. At Teya we believe small, local businesses are the lifeblood of our communities. We're here … because we don't believe there's a level playing field that gives small businesses with a fighting chance against the giants of the high street. We're here because we see banks and legacy service providers making things harder for them. We don't think the best technology or the best service should be reserved … data analyst, preferably in fraud, AML, or financial risk monitoring Solid understanding of statistical concepts and experience applying methods such as forecasting, time series analysis, A / B testing, or regression analysis Experience in producing insights that led to measurable improvements, ideally in relevant domains such as fraud, AML detection, or operations More ❯