326 to 342 of 342 A/B Testing Jobs in London

About Vercel: Vercel gives developers the tools and cloud infrastructure to build, scale, and secure a faster, more personalized web. As the team behind v0, Next.js, and AI SDK, Vercel helps customers like Ramp, Supreme, PayPal, and Under Armour build for the AI-native web. Our mission is to enable the world ship the best products. That starts … of-the-art models and prompting strategies for UI generation and code synthesis. Collaborating on building and fine-tuning internal tools, datasets, and evaluation pipelines. Running A / B tests and user experiments to validate hypotheses and improve generation quality. Bridging the gap between research and production-bringing cutting-edge techniques into a … may be a good fit if you have: 3+ years of experience in research engineering, applied ML, or related fields. Strong programming skills in Python and JavaScript / TypeScript. Experience working with or fine-tuning LLMs (OpenAI, Hugging Face, etc.). A solid understanding of modern frontend technologies (React, Tailwind, etc.). Benefits: Competitive compensation More ❯

Analytics Manager - Independent Media Agency Salary: £40,000-£50,000 About the Company: A fast-growing, independently owned digital agency looking for an experienced Analytics Manager to join its performance team. Working across top-tier clients in the retail, hospitality, and consumer lifestyle sectors. The agency prides itself on delivering results-driven, data-informed marketing and web solutions … improve campaign effectiveness. Working directly with the Performance Director, you'll ensure the agency delivers high-quality data insights, reporting accuracy, and strategic recommendations to clients. This is a hands-on role, with ownership of analytics implementation, tag management, and cross-platform reporting. You'll also be managing an offshore analytics specialist, so experience overseeing remote team members … and operate in a fast-paced, client-focused environment. Bonus Skills: Understanding of cookieless tracking and evolving consent frameworks. Exposure to eCommerce analytics and A / B test analysis. Familiarity with Jira or similar task management tools. Sphere Digital Recruitment currently have a variety of job opportunities across digital so feel More ❯

SENIOR PRODUCT ANALYST £70,000 + BENEFITS HYBRID - CENTRAL LONDON (2 DAYS IN OFFICE) THE COMPANY This is an exciting opportunity to join a leading platform business operating across multiple European markets. They're scaling fast and have recently reshaped their data function, giving this role big exposure to key decision-makers. With over 1M monthly users, data … is at the heart of every product decision. THE ROLE As a Senior Product Analyst, you will be embedded in a cross-functional team alongside product … managers and engineers, focused on product experimentation and user journey optimisation. Key responsibilities include: Owning the end-to-end experimentation programme Developing tracking strategies and leading A / B test design and analysis Building insight into user behaviour to shape product strategy Conducting opportunity sizing and presenting to C-level stakeholders Supporting the wider analytics More ❯

Paid Social Media Specialist Location: West London (Hybrid) Daily Rate: £250 - £310 Start Date: 11 August 2025 | 5-month contract We're hiring for a global tech leader at the forefront of innovation in logistics, e-commerce, and customer experience. As part of their high-performing Performance Marketing team , you'll play a hands-on role … in planning, launching, and optimising paid social campaigns that directly drive hiring across operations during peak season. This is a chance to work at serious scale, on fast-moving campaigns that have a measurable effect on the workforce behind one of the world's most recognisable brands. What you'll be doing: Managing and optimising paid … copy and creative scheduling, pacing, and daily optimisation Collaborating with campaign managers, media planners, and analysts to ensure campaigns stay on target and on budget Running A / B tests and experiments to improve campaign effectiveness Preparing weekly and monthly performance reports using platform data and internal metrics What you'll bring: 4+ years' experience More ❯

At loveholidays, were on a mission to open the world to everyone, giving our customers unlimited choice, unmatched ease, and unmissable value for their next getaway. Our team is the driving force behind our role as our customers personal holiday expert the smart way to get away. About the team Our data science team (currently four data scientists … ideal holiday through sort order and recommendation algorithms. Drive more efficient traffic acquisition through bid optimization algorithms. Help the business make better data-assisted decisions through A / B test analysis reporting. Work across the business to ensure we are choosing the right applications for machine learning technology. The Head of Data Science is also … responsible for creating and developing our data science talent through hiring, line management, and career progression. Key responsibilities include: Building a deep understanding of the business to develop a company-wide data science strategy. Help the business, including your team, prioritize the highest impact data science initiatives. Collaborating closely with senior leadership and the wider business. More ❯

feedback loops for model training Integrate ML into production systems alongside US product and data teams Optimise model performance for accuracy, speed, and cost Run experiments, A / B tests, and validate approaches statistically Use tools like Python, TensorFlow, PyTorch, Scikit-learn, MLflow, SQL, Docker, AWS / GCP What Youll Need: Bachelors degree in … Computer Science, AI, Machine Learning, or related field 1+ year of experience in a Machine Learning Engineer or similar role Strong Python skills and ML framework knowledge (TensorFlow, PyTorch, etc.) Hands-on experience deploying models into production environments Solid grasp of algorithms, data structures, and statistical modelling Familiarity with cloud platforms (AWS, GCP, Azure) Bonus: Experience with NLP More ❯

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 … to time also use third parties to act on Tripadvisor's behalf. You agree to the fact that to the extent necessary your personal data may be transferred and / or disclosed to any company within Tripadvisor group of companies as well as to third parties acting on Tripadvisor's behalf, including also transfers to servers and databases outside … the country where you provided Tripadvisor with your personal data. Such transfers may include for example transfers and / or disclosures outside the European Economic Area and to the United States of America, in order to contact your referees or to detect, prevent or otherwise address fraud, security or technical issues, or to protect against harm to the rights More ❯

definition to model deployment and beyond (monitoring and improvement). In-depth knowledge of statistical hypothesis testing and ML modeling techniques. Experience in using Python for numerical / statistical programming (including Numpy, Pandas, and Scikit-learn). Significant experience in using SQL. Ability to communicate effectively with audiences of various backgrounds, levels, and functions. Experience in conducting … 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 … to time also use third parties to act on Tripadvisor's behalf. You agree to the fact that to the extent necessary your personal data may be transferred and / or disclosed to any company within Tripadvisor group of companies as well as to third parties acting on Tripadvisor's behalf, including also transfers to servers and databases outside More ❯

Ecommerce Analyst - Food Delivery Up to £45,000 Food Delivery - Tech SW London - Hybrid, 2 days per week in the office Would you like to join a pioneering food delivery firm, where sustainability, ethical practices, and positive business impact are a key business strategy? We are looking for a skilled Customer Insight Analyst to … be an integral part of our client’s marketing team. This role is ideal for you if you: Have a keen interest in data analytics within the food delivery and sustainability sector. Are looking to leverage your analytical skills in a dynamic and values-driven environment? Want to play a crucial role in understanding … and enhancing customer lifetime value. Essential Skills for the Perfect Candidate: Strong proficiency in Excel, SQL, and Google Analytics. Experience in analysing Customer Lifetime Value in a Direct-to-Consumer business. Exceptional skills in presenting complex data and building relationships across departments. In this Role, You Will: Analyse and report on customer lifetime value and cost of customer More ❯

Ecommerce Analyst - Food Delivery Up to £45,000 Food Delivery - Tech SW London - Hybrid, 2 days per week in the office Would you like to join a pioneering food delivery firm, where sustainability, ethical practices, and positive business impact are a key business strategy? We are looking for a skilled Customer Insight Analyst to … be an integral part of our client’s marketing team. This role is ideal for you if you: Have a keen interest in data analytics within the food delivery and sustainability sector. Are looking to leverage your analytical skills in a dynamic and values-driven environment? Want to play a crucial role in understanding … and enhancing customer lifetime value. Essential Skills for the Perfect Candidate: Strong proficiency in Excel, SQL, and Google Analytics. Experience in analysing Customer Lifetime Value in a Direct-to-Consumer business. Exceptional skills in presenting complex data and building relationships across departments. In this Role, You Will: Analyse and report on customer lifetime value and cost of customer More ❯

About us: We are champions of rail, inspired to build a greener, more sustainable future of travel. Trainline enables millions of travellers to find and book the best value tickets across carriers, fares, and journey options through our highly rated mobile app, website, and B2B partner channels. Great journeys start with Trainline Now Europe's number 1 downloaded … evaluate product effectiveness or using front end data to quantify the effectiveness of new features and how it changes user engagement Ability to navigate data sets of varying complexity / ambiguity and conduct analysis to derive clear insights and actionable results Strong PowerPoint and presentation / communication skills Strong data visualisation skills using tools like Tableau, Spotfire, Power … BI etc. Strong SQL skills required Experience in Python with predictive modelling, regression techniques as well as wider techniques like clustering / random forest is desirable Tech Stack: SQL, Python, R, Tableau, AWS Athena + More! More information: Enjoy fantastic perks like private healthcare & dental insurance, a generous work from abroad policy, 2-for-1 share purchase More ❯

SENIOR PRODUCT ANALYST £75,000 - £95,000 + STOCK OPTIONS LONDON – 3 DAYS A WEEK *Please note, you must be a UK resident to apply with full right to work in the UK* THE COMPANY This entertainment business with an incredible social impact runs prize draws through a subscription model, offering luxury prizes whilst … simultaneously raising money for a variety of charities across the UK. This is an exciting opportunity to make a real impact in a fast-paced, customer-focused digital environment. THE ROLE This Senior Product Analyst will play a key role … in shaping strategy and innovation across the website and app, focusing on app development and customer retention. You’ll work on developing new propositions and customer experiences, pricing test / product performance / customer behaviour analysis and conduct AB tests to drive improvements. You’ll need to have advanced SQL to uncover insights from large datasets. SKILLS + More ❯

SENIOR PRODUCT ANALYST £75,000 - £95,000 + STOCK OPTIONS LONDON – 3 DAYS A WEEK *Please note, you must be a UK resident to apply with full right to work in the UK* THE COMPANY This entertainment business with an incredible social impact runs prize draws through a subscription model, offering luxury prizes whilst … simultaneously raising money for a variety of charities across the UK. This is an exciting opportunity to make a real impact in a fast-paced, customer-focused digital environment. THE ROLE This Senior Product Analyst will play a key role … in shaping strategy and innovation across the website and app, focusing on app development and customer retention. You’ll work on developing new propositions and customer experiences, pricing test / product performance / customer behaviour analysis and conduct AB tests to drive improvements. You’ll need to have advanced SQL to uncover insights from large datasets. SKILLS + More ❯

Company Description At The Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for job seekers and companies around the world to find a perfect match, in fair and equitable way. With over 20 brands across 30+ countries, we strive for … topics, and also present effectively to less technical audiences. Experience managing stakeholders at all levels. Educated to degree level or higher, preferably in a numerical field and / or statistical background. Technical requirements: Proficient in SQL?and hands-on coding experience with Python for Data Analytics Experience with setting up and automating data pipelines, ETL processes, etc … offer: 29 days holiday allowance + bank holidays Private medical and dental healthcare Matching pension contribution of 4 or 5% (after 3 years of service up to 10%) 24 / 7 Employee Assistance Programme Life Assurance Cover Cycle to work scheme Hybrid working model (3 days working fromthe office) Volunteering days and you can bring your dog to the More ❯

use the vast knowledge of Africa, combined with digital excellence, to ensure that all of our brands occupy the podium positions in the countries we operate in. With a growing presence in 15 countries, GOAT represents the largest group of gaming brands on the continent. To help us continue on our already impressive growth trajectory, we’re on … brands to better the offering of our competitors. Essential Background: - Data driven with a strong analytical mind to turn these insights into actions and resolutions - Have gambling / gaming industry experience (Sportsbook, casino & lotto) - Experience working with CRM platforms / Tools - Experience in forecasting and costing campaign impact - Experience in implementing CRM campaign automation - Experience in … challenging mindset, always on the lookout to better processes - Can-do attitude with an appetence to fast paced working environments - Ability to perform in a hybrid office / home working environment Desirable background: - Have a keen Interest in Sports, especially football - Undertaken competitor analysis & reporting previously - Experience in localization of content for foreign markets (preferably More ❯

use the vast knowledge of Africa, combined with digital excellence, to ensure that all of our brands occupy the podium positions in the countries we operate in. With a growing presence in 15 countries, GOAT represents the largest group of gaming brands on the continent. To help us continue on our already impressive growth trajectory, we’re on … brands to better the offering of our competitors. Essential Background: - Data driven with a strong analytical mind to turn these insights into actions and resolutions - Have gambling / gaming industry experience (Sportsbook, casino & lotto) - Experience working with CRM platforms / Tools - Experience in forecasting and costing campaign impact - Experience in implementing CRM campaign automation - Experience in … challenging mindset, always on the lookout to better processes - Can-do attitude with an appetence to fast paced working environments - Ability to perform in a hybrid office / home working environment Desirable background: - Have a keen Interest in Sports, especially football - Undertaken competitor analysis & reporting previously - Experience in localization of content for foreign markets (preferably More ❯

Salary: £40-55k plus bonus & a strong benefits package Date Posted: 19 September 2018 Job Type: permanent Company: Newspaper Contact: Job Ref: APA4 Job Description Join the expanding digital team for one of the UK's most loved national newspapers. Take stock of their full range of advertising products. Carry out a range of analytical … technical performance, advertiser & reader engagement. Candidates should have analysis experience within the digital advertising industry and familiarity with various ad products. Salary circa £40-55k plus bonus & a strong benefits package. More ❯