24 of 24 Permanent A/B Testing Jobs in Central London

side marketplace (the traveler, the property owners and the platform), this team develops and optimizesranking modules with state-of-the-art machine learning / genAI techniques to power lodgingsearch and personalized lodging ranking / recommendations for the multiple brands and lines of business in our portfolio. In this … applied scientist role: your models will be deployed to our production systems, and your results will be measured objectively via A / B testing, directly impacting our business results. We collaborate closely with the analytics, product, and engineering teams. In this role ...

sectors including retail, technology, logistics, healthcare, and more, aiming to transform traditional business models with cutting-edge digital solutions. Know more about us: https: / / corporate.jd.com / JD.com is seeking an experienced Technical Product Operations Manager to join our growing technical team at Joybuy (https: / / www.joybuy.com / ). Joybuy is JD.com’s European full-category online retail brand designed to bring customers a faster, more convenient, and cost-effective shopping experience. Offering same-day and next-day delivery across the UK, Joybuy combines speed, reliability, and affordability to meet ...

before campaigns go live Manage campaign schedules, priorities and deadlines across a busy delivery calendar Support campaign optimisation through A / B testing and continuous improvement Identify and resolve campaign build or delivery issues Martech Stack Youll work with a … apply an overlay of lifecycle marketing to these - You have experience of working with dynamic content and personalisation - Good knowledge of A / B testing and email journey enhancement / optimisation. With the ability to utilise the data from these to improve ...

e.g., NDCG, recall, precision) LLM and RAG evaluation methodologies Grounding and faithfulness evaluation Human evaluation and annotation strategies Online experimentation and A / B testing Establish best practices for offline benchmarking, online experimentation, and reproducible evaluation workflows. Build scalable processes for benchmark creation … systems. Information retrieval and semantic search Retrieval-augmented generation (RAG) Evaluation methodologies for IR and generative AI systems Experimentation frameworks and A / B testing Strong experience with: Vector retrieval and hybrid search architectures. LLM evaluation and AI quality measurement Embeddings, reranking ...

sectors including retail, technology, logistics, healthcare, and more, aiming to transform traditional business models with cutting-edge digital solutions. Know more about us: https: / / corporate.jd.com / JD.com is seeking an experienced Technical Product Manager - Supply Chain to join our growing technical team at Joybuy (https … / / www.joybuy.com / ). Joybuy is JD.com’s European full-category online retail brand designed to bring customers a faster, more convenient, and cost-effective shopping experience. Offering same-day and next-day delivery across the UK, Joybuy combines speed, reliability, and affordability ...

pays, who responds to which voice, script or offer — turned into live segments the agents act on. Optimise with experiments. A / B tests and bandits over timing, cadence, voice and negotiation policy; find what lifts recovery, and ship it fast. Own business-level outcomes. … a real production codebase — you take a model from idea to production and monitor it. We use Python for ML / AI services and TypeScript around it, on AWS and PostgreSQL. Statistics you can defend. Experimental design, causal inference, measuring the real effect ...

Opportunity Join a collaborative team where analytics directly influences commercial performance and revenue growth. Take ownership of reporting, A / B testing and yield optimisation across a sophisticated programmatic ecosystem. Work with leading ad technology platforms, gaining exposure … where curiosity, initiative and new ideas are valued. Responsibilities Produce and analyse programmatic revenue reports, identifying trends and commercial opportunities. Manage A / B testing from setup through to analysis and recommendations. Support the optimisation of programmatic revenue across multiple supply partners ...

that help improve our clients’ bottom line. Specifically, helping them reach high-quality audiences online, making media budgets more efficient, running A / B testing and AI experiments, to help increase conversion rates, deliver more Sales and improve ROAS. 🛠 What … North America. Familiarity with SEO and other non-paid for strategies and how they interact with Paid Media executions. Exposure to A / B testing or automation tools (e.g., ad copy tests, bid strategies, scripts, bulk workflows) to enhance optimisation and efficiency. ...

/ CRO / VISUAL DESIGN - FAST-GROWING PREMIUM CONSUMER BRAND We're partnering with an ambitious, multichannel retailer that has experienced exceptional growth and is entering the next chapter of its journey. Following significant investment across the business, they're enhancing their digital experience from the ground … looking for a UX / UI Designer to take ownership of the customer experience across their ecommerce platform. This is a rare opportunity to join at the beginning of a major transformation rather than maintain an existing product. Working alongside Creative, CRO, Product ...

doing... Taking ownership of product initiatives focused on customer acquisition and conversion Helping complete and optimise a CMS migration / project Identifying opportunities to improve website performance and customer journeys Planning and executing A / B tests and experimentation programmes Working closely … ecommerce or subscription-based products (essential) Strong experience with growth product, conversion optimisation and experimentation Hands-on experience running A / B tests , particularly around landing pages and customer journeys Experience working in an in-house product team (preferred over agency) Excellent stakeholder communication skills ...

plus pension, healthcare, life assurance, etc. Engagement: Fixed term, 9 months initially with potential for longer engagement This opportunity represents a chance to join a team who represent one of the UK's very best in this space and have been recognised for it. The best … 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 ...

contribute to the technical direction of retrieval and RAG systems. This role is ideal for someone with deep hands-on experience in search / retrieval systems, RAG pipelines, and evaluation frameworks, who is ready to operate as a senior individual contributor with growing technical leadership responsibilities. … detection) Contribute to development of evaluation datasets, gold standards, and annotation strategies. Guide and review experimental design, including offline evaluation and A / B testing, ensuring statistical rigor and validity. Contribute to responsible AI practices, including bias, fairness, and risk evaluation Generative ...

improve data layer implementations, troubleshoot tracking issues, and ensure data is robust, accurate and fit for decision-making. Experience supporting A / B testing, including translating insights into test hypotheses and ensuring data quality to enable reliable experimentation; experience with digital analytics … tools (e.g. Content square, Decibel, Quantum Metric); experience with data visualisation tools (e.g. Tableau). Strong technical experience , including GA4 and / or Firebase (for app analytics), SQL (working with large-scale data environments), and large-scale data platforms (e.g. BigQuery, Teradata, Databricks); nice-to-have experience with customer ...

design experiments, build measurement frameworks, and apply causal analysis to influence business decisions and investment priorities. Design and analyse A / B tests, holdouts, geo experiments, and other experimental frameworks to evaluate initiatives and establish causality. Build robust measurement approaches for marketing, product, pricing … role. Advanced SQL and Python or R skills. Strong foundation in statistics, experimentation, and causal inference methodologies. Experience designing and analysing A / B tests, controlled experiments, holdouts, and geo experiments. Experience measuring incrementality and evaluating business initiatives using data‐driven approaches. Strong understanding ...

Stay ahead of algorithm changes and search landscape shifts, adapting strategy accordingly Own the CRO programme across all websites — hypothesis generation, A / B testing, and implementation Work closely with designers, developers, and the data team to build and prioritise a … with the Head of Marketing Experience with technical integrations, APIs, or web development fundamentals Familiarity with company formation, legal services, fintech, or similar regulated / niche verticals Core Competencies Demonstrates expertise in website performance management, technical SEO, and conversion rate optimization, with a strong focus on data ...

BettingJobs is working with a well-established and market-leading online casino and sportsbook who are looking to add an experienced UX Designer to their London team. This is an opportunity to join a global company, working in a dynamic, fast-paced environment. This … Comfortable working independently as well as collaboratively in cross-functional teams Excellent communication and presentation skills A track record of using data / analytics to influence designs A superior personal character and work ethic A / B testing ...

Group. The role will report to the Director of Intelligence Engineering and will share in the ownership and delivery of cutting‐edge, scalable ML / AI models. Initial Workstreams Recommendations and personalization Search optimization Audio modeling As a Senior ML & AI Engineer, you will be responsible … Developing and implementing ML and AI based solutions to enhance and optimize the Beatport customer experience, including semantic search, content recommendation / personalization engines, and audio models for music professionals. Acting as a subject matter expert regarding GCP’s latest ML / AI tooling and continuously ...

business growth. Role Overview Location: Hybrid x3 days a week in London Package: Inside IR35 Contract rate (to be discussed) Industry: Hospitality / Ecommerce What You’ll Be Doing Design intuitive, customer-focused web experiences that enhance usability and drive conversions. Create engaging UI solutions across … areas of the website, including landing pages, promotional content and merchandising features. Support A / B testing and experimentation programmes by producing design variations and optimisation concepts. Work closely with Ecommerce, Product, Marketing and CRM teams to deliver high-impact digital improvements. ...

experimentation. Design and execute advanced analytical frameworks to measure customer behaviour, product performance and business impact. Lead complex experimentation programs, including A / B testing, causal inference, uplift modelling and quasi-experimental methods. Develop machine learning, optimisation and decision science solutions that improve … Staff, Principal or equivalent level. Technical Skills Expert-level Python and SQL Experimentation and statistical inference Machine Learning and Predictive Modelling Causal Inference Optimization / Operations Research (preferred) Large-scale data processing BI and visualization tools Cloud-based analytics environments Nice to Have Airline, transportation, logistics, marketplace, e-commerce ...

Data Scientist London or Leicester (2 days per week) Join a growing Data Science team where you'll build machine learning solutions that directly influence customer engagement, retention, and commercial performance. This is a highly visible role with significant stakeholder exposure and the opportunity to work … lifetime value, and forecasting Develop anomaly detection solutions to identify issues impacting customer journeys and performance Design and evaluate experiments, including A / B testing Partner with Product, Marketing, Finance, CRM, and Commercial teams to solve business problems Translate complex analysis into actionable ...

site Salary Range: £45,000-£55,000 Contract Type: Permanent, full-time Working hours: 40 hours per week Salt is partnering with a forward-thinking company at the forefront of AI, technology and digital commerce to hire an Ecommerce AI Engineer. You will join a collaborative … Improve website performance, security, accessibility, technical SEO and conversion rates * Manage GA4, Google Tag Manager, Search Console, Google Ads tracking and A / B testing * Analyse and optimise customer journeys to increase qualified leads, bookings and revenue * Develop lead-generation funnels, customer journey ...

that directly impact revenue and customer satisfaction across multiple markets. You will take ownership of experimentation strategy and deliver measurable commercial outcomes in a data-led environment that values innovation and continuous improvement. The Company They are a well-established organisation operating in a … digital-first, customer-centric industry, serving millions of customers across international markets. With a strong reputation for service excellence and a focus on continuous innovation, they invest heavily in technology, data, and customer experience. Their collaborative culture brings together teams across product, marketing, and engineering ...

Analytics Manager London (3 days per week) Up to £89,000 + bonus This is an opportunity to join a business undergoing a major transformation, where analytics sits at the centre of commercial decision making. You will play a key role in shaping … retail, and finance teams to support strategic decision making Support KPI reporting and dashboard development using Power BI Design and evaluate A / B tests to optimise performance across channels Conduct segmentation, cohort, and lifetime value analysis Improve reporting frameworks, data quality, and consistency ...

Western Union is seeking a Senior Data Scientist to shape growth strategies and investment decisions by uncovering drivers of customer growth, profitability, and long-term value. You will design experiments, build … measurement frameworks, and apply causal analysis to influence priorities across Marketing, Product, Pricing and Risk. The role involves designing and analysing A / B tests, holdouts, geo experiments, and implementing measurement for marketing, product, pricing and risk initiatives. #J-18808-Ljbffr ...