401 to 425 of 535 Permanent A/B Testing Jobs

introducing and promoting new standards and working with POS solutions and PSPs to optimize the use of crypto payments online and in real life. Shape, validate and prioritise KYC / Travel-Rule capabilities. From wallet-ownership verification to broader compliance workflows, so that a production-ready backlog is ready for 2026 execution. Core Responsibilities Evolve and scale … Maintain a transparent, data-driven roadmap. Requirements 4 + years of product or engineering leadership in web3 or blockchain tooling. 2 + years owning payments or identity / KYC products end-to-end. Proven launches of B2B APIs or SDKs that delivered measurable adoption lift. Expert grasp of crypto payment flows, wallet custody models, and EVM / non-EVM chains. Demonstrated ability to weave KYC / AML and Travel-Rule compliance into frictionless UX. Harness AI to accelerate decision-making, uncover insights, and prototype faster. You anticipate how Defines KPIs, instruments funnels, queries data (SQL / BI) and runs A / B tests. Skilled in rapid discovery and translating More ❯

introducing and promoting new standards and working with POS solutions and PSPs to optimize the use of crypto payments online and in real life. Shape, validate and prioritise KYC / Travel-Rule capabilities. From wallet-ownership verification to broader compliance workflows, so that a production-ready backlog is ready for 2026 execution. Core Responsibilities Evolve and scale … Maintain a transparent, data-driven roadmap. Requirements 4 + years of product or engineering leadership in web3 or blockchain tooling. 2 + years owning payments or identity / KYC products end-to-end. Proven launches of B2B APIs or SDKs that delivered measurable adoption lift. Expert grasp of crypto payment flows, wallet custody models, and EVM / non-EVM chains. Demonstrated ability to weave KYC / AML and Travel-Rule compliance into frictionless UX. Harness AI to accelerate decision-making, uncover insights, and prototype faster. You anticipate how Defines KPIs, instruments funnels, queries data (SQL / BI) and runs A / B tests. Skilled in rapid discovery and translating More ❯

Paid Search & Paid Social channels. Conduct daily health checks inclusive of; budget management, troubleshooting errors, and optimisation of campaigns to improve performance. Provide analysis, insights, and A / B tests for ongoing campaign improvement, assist with the building of campaign / client review presentations. Communication Collaborate with Account Managers to ensure smooth communication between … enhance overall team performance and efficiency. Skills & Requirements Digital Awareness: Understanding of Paid Search (Google) and Paid Social (META & others) environments. Campaign Execution: Hands on experience with Search and / or Social platforms using performance Marketing objectives and KPIs. Analytical Capability: Exhibit strong numerical and analytical capabilities, data manipulation and providing insightful comments on performance. Organisational Excellence: Super organised … solid & competitive paycheck and some awesome perks! Work in a friendly atmosphere where you can grow and learn exciting new things Enjoy a £500 / year training budget to keep your skills on point Embrace the hybrid work life – we've got you covered with a laptop and home office essentials. Benefit More ❯

Global CRM Specialist - Henley-on-Thames (Hybrid) - £70K – Perm We’re looking for an experienced and strategic Global CRM Specialist to join the team of a growing Henley based B2C business. You’ll be responsible for shaping and delivering a global CRM and loyalty strategy that enhances the customer experience, improves retention, and drives long-term … CRM strategy and customer lifecycle communications. Lead the design, launch, and optimisation of our first loyalty programme. Manage the email marketing calendar, including campaign planning and A / B testing. Identify data opportunities for deeper customer segmentation and personalisation. Collaborate with internal teams and agencies on CRM and data integration projects. Analyse CRM and loyalty … data to drive insight-led improvements and performance. Support in-store clientelling and create scalable CRM tools for retail teams. About You Strong experience in CRM, ideally in a B2C or D2C environment. Hands-on knowledge of CRM platforms (e.g. Klaviyo, HubSpot, Shopify). Data-driven with the ability to interpret insights and optimise campaigns. Excellent communication and More ❯

Global CRM Specialist - Henley-on-Thames (Hybrid) - £70K Perm Were looking for an experienced and strategic Global CRM Specialist to join the team of a growing Henley based B2C business. Youll be responsible for shaping and delivering a global CRM and loyalty strategy that enhances the customer experience, improves retention, and drives long-term value. Working … CRM strategy and customer lifecycle communications. Lead the design, launch, and optimisation of our first loyalty programme. Manage the email marketing calendar, including campaign planning and A / B testing. Identify data opportunities for deeper customer segmentation and personalisation. Collaborate with internal teams and agencies on CRM and data integration projects. Analyse CRM and loyalty … data to drive insight-led improvements and performance. Support in-store clientelling and create scalable CRM tools for retail teams. About You Strong experience in CRM, ideally in a B2C or D2C environment. Hands-on knowledge of CRM platforms (e.g. Klaviyo, HubSpot, Shopify). Data-driven with the ability to interpret insights and optimise campaigns. Excellent communication and More ❯

Global CRM Specialist - Henley-on-Thames (Hybrid) - £70K Perm Were looking for an experienced and strategic Global CRM Specialist to join the team of a growing Henley based B2C business. Youll be responsible for shaping and delivering a global CRM and loyalty strategy that enhances the customer experience, improves retention, and drives long-term value. Working … CRM strategy and customer lifecycle communications. Lead the design, launch, and optimisation of our first loyalty programme. Manage the email marketing calendar, including campaign planning and A / B testing. Identify data opportunities for deeper customer segmentation and personalisation. Collaborate with internal teams and agencies on CRM and data integration projects. Analyse CRM and loyalty … data to drive insight-led improvements and performance. Support in-store clientelling and create scalable CRM tools for retail teams. About You Strong experience in CRM, ideally in a B2C or D2C environment. Hands-on knowledge of CRM platforms (e.g. Klaviyo, HubSpot, Shopify). Data-driven with the ability to interpret insights and optimise campaigns. Excellent communication and More ❯

Product embedding, Recommendation Systems, and Computer Vision. To be successful in the role, you'll need: 5+ years of hands-on data science experience. In-depth knowledge of AI / ML / DL, Statistics, and related open-source libraries. Awareness of current ML techniques, keen on self-improvement and striving to solve real-world data challenges. Strong skills … reviews, discussing architecture, and collaborating with a multidisciplinary team for regular model deployments. Experience in deploying online solutions and analysing real-time results through A / B testing. To be passionate about mentoring junior members of the team, and have a strong desire to help us perform to the best of … Please include the job requisition number in your message. Apply for this job indicates a required field First Name Last Name Preferred First Name Email Phone Resume / CV Enter manually Accepted file types: pdf, doc, docx, txt, rtf Enter manually Accepted file types: pdf, doc, docx, txt, rtf More ❯

adopt innovative concepts that offer tangible benefits. To be successful in the role, you'll need: 5+ years of hands-on data science experience. In-depth knowledge of AI / ML / DL, Statistics, and related open-source libraries. Previous experience of working on industrial grade recommendation systems and ideally familiarity with offline evaluation techniques. Awareness of current … reviews, discussing architecture, and collaborating with a multidisciplinary team for regular model deployments. Experience in deploying online solutions and analysing real-time results through A / B testing. To be passionate about mentoring junior members of the team, and have a strong desire to help us perform to the best of … Please include the job requisition number in your message. Apply for this job indicates a required field First Name Last Name Preferred First Name Email Phone Resume / CV Enter manually Accepted file types: pdf, doc, docx, txt, rtf Enter manually Accepted file types: pdf, doc, docx, txt, rtf More ❯

on data science experience with at least 2 years of experience with LLM Awareness of current LLM techniques, prompt tuning, evaluations and model monitoring. In-depth knowledge of AI / ML / DL, Statistics, and related open-source libraries. Strong skills in SQL and at least one programming language. To be comfortable in code reviews, discussing architecture, and … collaborating with a multidisciplinary team for regular model deployments. Experience in deploying online solutions and analysing real-time results through A / B testing. To be passionate about mentoring junior members of the team, and have a strong desire to help us perform to the best of our ability. Leadership qualities … request. Please include the job requisition number in your message. Apply for this job indicates a required field First Name Last Name Email Phone Location (City) Resume / CV Enter manually Accepted file types: pdf, doc, docx, txt, rtf Enter manually Accepted file types: pdf, doc, docx, txt, rtf LinkedIn Profile Website Current Company Current Title Application More ❯

and execute CRM and retention strategies. Ensure end-to-end campaign execution from creative concepts, briefing, audience selection and creative build to deployment and performance tracking with Adobe campaign / analytics. The ability to build sophisticated workflows in Adobe Campaign, including audience segmentation, data interpretation, complex queries, integration with other data sets etc. Analyse campaign performance using tools like … metrics such as open rates, click-through rates, and conversion rates that will inform future recommendations on contact strategy. Utilise Adobe Target (if applicable) to conduct A / B tests and optimise customer engagement. Ensure marketing automation processes align with data governance, compliance, and regulatory standards. Collaborate with internal teams, including data analysts, and the … it to optimise marketing KPIs. Able to create the new, rather than adapt the existing, particularly when it comes to designing and creating customer journeys. Profecient in HTML, and / or knowledge of tools like Dreamweaver. Able to balance multiple projects and deadlines simultaneously highly organised with great time management. A good knowledge of regulatory frameworks across More ❯

engagement and demand for our portfolio of personal finance solutions to achieve Saga Money commercial objectives through the delivery of effective data-led campaigns through Adobe Campaign, with a good understanding of integration of multiple data points to create and deliver automated campaigns through the Adobe suite, primarily through Adobe Campaign. This is a key role … Lead to design and execute CRM and retention strategies. Ensure end-to-end campaign execution from audience selection and creative briefing to deployment and performance tracking with Adobe campaign / analytics. Analyse campaign performance using tools like Adobe Analytics, reporting on key metrics such as open rates, click-through rates, and conversion rates that will inform future recommendations on … contact strategy. Utilise Adobe Target to conduct A / B tests and optimise customer engagement. Ensure marketing automation processes align with data governance, compliance, and regulatory standards. Collaborate with internal teams, including data analysts, and the wider CRM community, to ensure campaigns align with broader marketing goals and are consistent with the wider group contact More ❯

eating effortless. We deliver high-protein, globally inspired meals straight to your door - bringing the comfort of home cooking into the rhythm of modern life. We've built a brand people love and a community that's scaling fast. Now we're hiring our first Head of Growth to take things to the next level - shifting … from instinct-led growth to a sharp, data-driven strategy that drives performance, loyalty and serious scale. Why this Role You'll own customer acquisition with full accountability and a big budget, taking Simmer from the 5th fastest growing business to the fastest growing in 2026. You'll build and lead a small but … based ecommerce. Hands-on with performance platforms (Meta, Google, TikTok, Affiliate), and understands what great creative looks like. Obsessed with results - you care about CAC, LTV, A / B tests, landing page performance, and spend-to-revenue efficiency. You're a builder, not just an optimiser - you love designing new acquisition flows, not 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 … synchronisation through WhatsApp, SMS and through our product experience (including banners, push, content cards and more) Creates and manages CRM campaigns in HubSpot, designing workflows, creating A / B tests, analysing email performance, and optimising campaigns based on data insights Supporting the launch of new products and features, and activating CRM campaigns to existing members More ❯

at Seat Unique is simple: to make premium live experiences more accessible to fans. We are at the forefront of revolutionising the ticketing and hospitality industry by offering a safe, secure, and seamless online platform for fans to purchase official premium tickets and hospitality packages for their favourite sports, music and cultural events. Seat Unique empowers clubs, promoters … venues, and rights holders to expand their reach, increase revenues, and enhance the overall fan experience. We provide a comprehensive solution that enables our partners to connect with new audiences and deliver exceptional experiences seamlessly. We have forged official partnerships with globally renowned sports clubs, venues, and rights holders. We exclusively power hospitality and premium ticket sales through … right customers at the right time. Analyse campaign performance metrics and report on results, providing actionable insights to improve future campaigns. Assist in the development of A / B tests to optimise subject lines, content, and send times. Ensure CRM data integrity, compliance, and best practices are maintained. Skills & Experience While these qualifications are highly More ❯

CUSTOMER DATA SCIENTIST £80,000 - £90,000 LONDON - 2 DAYS A WEEK *Please note, you must be a UK resident to apply with full right to work in the UK* THE COMPANY This company is a leading global, privately owned media group known for its diverse portfolio of iconic. With operations spanning publishing, audio … and infrastructure professionals work together to support audience growth with tailored strategies for each market. In the UK, the focus is on establishing best practices and operating as a boutique consultancy within the wider organisation-enhancing audience analytics and supporting local and European teams with strategic insights and data-driven recommendations. SKILLS + EXPERIENCE SQL and Python AB … testing Product and customer analytics experience Good problem solver and strong stakeholder engagement HOW TO APPLY If this sounds like the role for you, swiftly send over your CV to Izzi at Harnham by using the link below. More ❯

UX DESIGN ENHANCEMENTS - MULTICHANNEL RETAIL BRAND This British retail brand has a renewed focus on their online customer experience and need a UX / UI designer to join their scaling ecommerce team. With some exciting site enhancements in the pipeline and tonnes of conversion optimisation opportunity there'll be plenty to sink your teeth into … with proven ecommerce experience - a track record of UX site enhancements and an ability to test design solutions to maximise customer engagement From shaping A / B tests to simplifying complex journeys your work will have a direct impact on conversion and customer satisfaction Someone who can take insights from the … and manage the subsequent design process from wireframe, through to prototype and delivery Someone confident working cross-functionally with trading, digital, and development teams Experience interpreting A / B testing and devising design solutions to enhance the site experience for their valued customers A designer who knows how to turn insight More ❯

UX DESIGN ENHANCEMENTS - MULTICHANNEL RETAIL BRAND This British retail brand has a renewed focus on their online customer experience and need a UX / UI designer to join their scaling ecommerce team. With some exciting site enhancements in the pipeline and tonnes of conversion optimisation opportunity there'll be plenty to sink your teeth into … with proven ecommerce experience - a track record of UX site enhancements and an ability to test design solutions to maximise customer engagement From shaping A / B tests to simplifying complex journeys your work will have a direct impact on conversion and customer satisfaction Someone who can take insights from the … and manage the subsequent design process from wireframe, through to prototype and delivery Someone confident working cross-functionally with trading, digital, and development teams Experience interpreting A / B testing and devising design solutions to enhance the site experience for their valued customers A designer who knows how to turn insight More ❯

commerce platform. Key functions will include driving platform retention, engagement, and usage metrics, via channels including but not limited to push notifications, email, and in-browser messages. The Senior / CRM Specialist will report directly to the CRM Manager and work closely with in-house marketing, product, and creative teams. The Specialist must demonstrate a deep understanding … and executing CRM & campaign programs Manage end-to-end segmentation, automation, optimisation, evaluation, and reporting of the user lifecycle Drive platform retention, loyalty, engagement, and usage metrics (e.g. DAU / MAU, purchases) Analyze and enhance CRM initiatives through A / B testing Requirements Minimum 3 years of experience in growth, marketing, CRM … must Robust knowledge of digital assets, trading, and derivatives Interest in and familiarity with financial news preferred Proficient in delivering campaigns and managing automation with rigorous A / B testing Excellent command of English; Mandarin proficiency is a bonus Excellent project management and communication skills Demonstrates a strong sense More ❯

Data Science Manager (Contract) 💰 £500-£600 / day | ⏳ 3 months (IR35 TBC) | 🏢 2 days / week in office About the role Our client is looking for a hands-on Data Science Manager to take full ownership of their pricing optimisation function. This is a 3-month contract leading a small international team … improving algorithms. Key responsibilities: Own the end-to-end pricing product: develop, improve, and deploy pricing models tailored to market and product dynamics Drive experimentation and A / B testing to validate pricing strategies Collaborate closely with commercial teams to ensure models align with trading goals Work with data engineering teams to maintain … with Python (essential), plus comfortable in GCP & Tableau Can lead a small team while still coding, analysing data, and improving models Skilled at running A / B tests and building robust pricing strategies Excellent communicator - able to simplify complex data for commercial teams Previous roles like Lead Data Scientist, Head of Data Science More ❯

Head of Pricing - SAAS Market leading, PE backed, global Edtech organisation About Our Client Our client is a global, high growth Edtech business, providing teaching resources, tools and services to teachers, parents and schools around the world Job Description The successful Head of Pricing will: Develop and implement worldwide pricing and packaging strategies across B2C and B2B channels … align pricing strategies with business goals, including pricing of new-to-market products and services Create financial models to forecast price change impact, design and implement A / B testing and utilise performance-based data to support decision-making Provide clear recommendations to the Executive and Product teams, linking pricing strategy to customer … making informed decisions Excellent communication skills, with the ability to present complex pricing strategies to a wide range of stakeholders Experience in large scale A / B testing Strong leadership skills and a team-oriented mindset An ability to travel to Sheffield monthly but the role can be home More ❯

Senior Product Analyst £60,000 - £75,000 Kent Area (SE London, 3 times per week) I've partnered with a high-growth start up who operate in the online entertainment industry. They're looking for a Senior Analyst to join their brand new Data team, you … ll be one of the first hires into this team so there's a massive opportunity to drive personal value. There is a big customer / products analytics theme to this role so experience in this domain is required (churn, retention, A / B testing etc). As … well as leading from the front from a technical perspective, you'll have the opportunity to play a part in shaping the function, being close to the strategic decisions that drive the businesses growth. You'll be using Google BigQuery and Looker for dashboarding and visualisations. They typically love people from a gaming background More ❯

Senior Product Analyst £60,000 - £75,000 Kent Area (SE London, 3 times per week) I've partnered with a high-growth start up who operate in the online entertainment industry. They're looking for a Senior Analyst to join their brand new Data team, you … ll be one of the first hires into this team so there's a massive opportunity to drive personal value. There is a big customer / products analytics theme to this role so experience in this domain is required (churn, retention, A / B testing etc). As … well as leading from the front from a technical perspective, you'll have the opportunity to play a part in shaping the function, being close to the strategic decisions that drive the businesses growth. You'll be using Google BigQuery and Looker for dashboarding and visualisations. They typically love people from a gaming background More ❯

While this is not a UX research-heavy role, you will be expected to engage directly with end users to validate your ideas through A / B testing and by observing real-world usage patterns. You should be able to work closely with product managers, product owners, developers and customers to … Figma (or similar) to illustrate design options Collaborate with the product and development teams to identify areas where UI changes can improve usability Lead and support A / B testing efforts to assess and iterate on design decisions Engage with users (via interviews, feedback sessions, and usage analytics) to understand how the product … of UI projects, including multiple visual approaches to solving the same problem Excellent skills in Figma (preferred), Sketch, Adobe CC, or similar tools Demonstrated experience with A / B testing, data-informed design decisions, or interaction analysis Comfortable engaging directly with end users to gather feedback or validate design assumptions Able to balance More ❯

Senior Product Analyst Up to £95,000 Hybrid - London (3x days a week) THE CLIENT This is an exciting opportunity for a Senior Product Analyst to join a nationwide entertainment organisation. THE ROLE We’re looking for a dynamic professional to lead the development of innovative customer propositions, including new draws and … app usage and retention. Join us to shape the future of our digital offerings and deliver exceptional value to our users. YOUR SKILLS AND EXPERIENCE SQL A / B Testing Experimentation Previous experience and success working in an agile and fast paced environment. APPLY Send an email to riversteytler@harham.com or apply below More ❯

Senior Product Analyst Up to £95,000 Hybrid - London (3x days a week) THE CLIENT This is an exciting opportunity for a Senior Product Analyst to join a nationwide entertainment organisation. THE ROLE We’re looking for a dynamic professional to lead the development of innovative customer propositions, including new draws and … app usage and retention. Join us to shape the future of our digital offerings and deliver exceptional value to our users. YOUR SKILLS AND EXPERIENCE SQL A / B Testing Experimentation Previous experience and success working in an agile and fast paced environment. APPLY Send an email to riversteytler@harham.com or apply below More ❯