1 to 25 of 618 A/B Testing Jobs

Acquisition Account Manager, Mid-Market EMEA

Location
Greater London, England, United Kingdom
campaign creation processes. Performance Optimization & Goal Attainment : Proactively analyze campaign performance data, implement a continuous Test & Learn roadmap (e.g., A / B testing creative, audience segmentation), and provide data-backed recommendations to help clients beat their initial goals. Upsell & Revenue Scaling … across organic and paid successfully What You'll Bring: 4+ years experience in a Client Success, Account Management, or Media Planning / Strategy role, preferably within a digital advertising, social media or performance marketing environment Strong analytical skills, excellent communication, high attention to detail ...

Senior Python Developer - Microservices

Hiring Organisation
Lyst
Location
London, United Kingdom
Salary
£ 80 K
a python environment. You will ideally have plenty of experience using; Python, postgresql, jenkins, circleci, aws, redshift, redis, django, rest framework...Docker (http: / / developers.lyst.com / devops / 2014 / 12 / 08 / docker)Microservices architecture (HTTP)TDD - We love … people who are passionate about what they do:50 engineers and data scientists 5M duplicated products detected and merged using product image features (http: / / www.slideshare.net / ejlbell / fashion-productdeduplication)300k online recommendation model updates per day (http: / / developers.lyst.com / ...

Lead CRO Developer

Location
Greater London, England, United Kingdom
Role overview We are looking for a highly experienced, hands‐on Lead CRO Developer to build and deliver A / B and multivariate experiments across our client accounts. This is fundamentally a development role. The majority of the role is hands … help maintain high development and QA standards, while remaining deeply hands‐on day to day. What you will be doing Build A / B and multivariate experiments from supplied concepts, designs and test specifications. Write clean, robust JavaScript (ES6+), HTML5 and CSS3 to create experiment ...

Senior UX/UI Designer (CRO)

Hiring Organisation
VML
Location
London, United Kingdom
Salary
£ 55 K
intelligence and data solutions, creativity, production, enterprise solutions and expert strategic counsel. For more information, please visit and follow along on LinkedIn #WeAreVML.Senior UX / UI or Product Designer with a specialized focus on Conversion Rate Optimisation (CRO) and experimentation to join our dynamic, flexible team, embedded … directly within our dedicated CRO squad.The opportunityWe are seeking a highly skilled and passionate UX / UI or Product Designer with a specialized focus on Conversion Rate Optimisation (CRO) and experimentation to join our dynamic, flexible team, embedded directly within our dedicated CRO squad. This ...

Software Development Engineer - Personalisation - London, United Kingdom of Great Britain and Northern Ireland

Hiring Organisation
Tesco
Location
London, United Kingdom
Salary
£ 80 K
followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave. Free 24 / 7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your … shortened summary, refer to our policies for full detailsYou will be responsible for: · Building low-latency, high-throughput services for personalisation· Developing Java / Spring Boot microservices with REST / gRPC APIs· Working with Kafka and event-driven architectures· Building pipelines using Apache Flink and Apache Beam· Integrating ...

CRO Executive

Location
Greater London, England, United Kingdom
Location: Daily Mail+ Headquarters, HSK, London Position: Full Time / Permanent About Us / The Role DailyMail+ has just reached its second birthday. Live across the UK, US and Australia, we're one of the fastest-growing media subscriptions globally, with ambitious plans over the next few years … subscriptions in the UK, US, and AU. Collaborate with product, brand, analytics, editorial, CRM, newsletter, QA teams to build and launch A / B tests as well as subscription campaigns. Help manage the CRO roadmap items: keep the roadmap up to date, set-up test ...

Business & Marketing Data Scientist – Marketing Analytics – 4763

Location
Greater London, England, United Kingdom
machine-learning or advanced data science role. The position is focused on digital marketing analytics, audience intelligence, campaign targeting, dashboard creation, A / B testing and turning large datasets into clear commercial recommendations. You will be the only dedicated analyst within a … video, social media and other digital channels. Build and maintain dashboards, reports and spreadsheet-based analysis. Design, analyse and interpret A / B tests and marketing experiments. Define hypotheses, test and control groups, success metrics and statistically meaningful outcomes. Use data to recommend whether campaigns ...

Python Developer

Hiring Organisation
Lyst
Location
London, United Kingdom
Salary
£ 80 K
data scientists with plans to double the team size in the next 6 months.5M duplicated products detected and merged using product image features (http: / / www.slideshare.net / ejlbell / fashion-productdeduplication)300k online recommendation model updates per day (http: / / developers.lyst.com / data / 2014 / 11 / 11 / word-embeddings-for-fashion / )72k crowd-sourced labels generated per day40k product gender classifications per day via deep learning500k recommended products per day120 EC2, 8 RDS, 7 ElastiCache and 10 Redshift instancesour internal analytics system ...

Machine Learning Scientist II

Location
Greater London, England, United Kingdom
side marketplace (the traveler, the property owners and the platform), this team develops and optimizesranking modelswith state-of-the‐art machine learning / genAI techniques topowerlodgingsearchand personalizedlodging ranking / recommendations for the multiple brands and lines of business in our portfolio. In this role, your expertise and passion … 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 ...

CRO Manager

Hiring Organisation
Dentsu
Location
London, United Kingdom
Salary
£ 80 K
Pets at Home, People’s Postcode Lottery, Jurys Inn and more. Whether you have a background in CRO and A / B testing, User Research, UX Design, Ecommerce trading, Digital Marketing or Data analysis, if you want to gain experience working … Review your teams client strategies, ensuring they align with long-term client objectives. These can include but are not limited to A / B testing, a page / journey redesigns, optimisation of the acquisition journey and site speed optimisation. ...

CRO Manager

Hiring Organisation
Dentsu
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
Pets at Home, People’s Postcode Lottery, Jurys Inn and more. Whether you have a background in CRO and A / B testing, User Research, UX Design, Ecommerce trading, Digital Marketing or Data analysis, if you want to gain experience working … Review your teams client strategies, ensuring they align with long-term client objectives. These can include but are not limited to A / B testing, a page / journey redesigns, optimisation of the acquisition journey and site speed optimisation. ...

Optimisation Manager Contract

Location
Greater London, England, United Kingdom
execution and QA of the weekly site optimisation roadmap, ensuring rapid deployment and zero-defect delivery of experiments and content updates. A / B Testing & Personalisation: Build, launch, and monitor A / B tests, multivariate tests, and personalisation … conversion rate optimization (CRO) and real-time performance. Technical Skills & Experience Site Optimisation Platforms: Proven hands-on experience using optimization and A / B testing software (e.g., Optimizely, VWO, Adobe Target, Siteimprove, or similar meta-optimisation tools). Analytics Suites: Proficient in setting ...

Optimisation Manager

Location
Greater London, England, United Kingdom
execution and QA of the weekly site optimisation roadmap, ensuring rapid deployment and zero‐defect delivery of experiments and content updates. A / B Testing & Personalisation: Build, launch, and monitor A / B tests, multivariate tests, and personalisation … conversion rate optimisation (CRO) and real‐time performance. Technical Skills & Experience Site Optimisation Platforms: Proven hands‐on experience using optimisation and A / B testing software (e.g., Optimizely, VWO, Adobe Target, Siteimprove, or similar meta‐optimisation tools). Analytics Suites: Proficient in setting ...

Engineering Manager (12 Month FTC)

Location
Greater London, England, United Kingdom
ensuring the team has the clarity and space to deliver with confidence. Our ways of working are rooted in data – A / B testing and data‐driven decision making are central to how we validate and iterate on everything we build … fostering a culture of thoughtful engineering and continuous improvement Drive a data‐driven approach to delivery, embedding A / B testing, experimentation, and insight‐led decision making into the team's everyday ways of working Manage a ...

Senior FX Product Manager - Hedging Conversion

Location
Greater London, England, United Kingdom
review moments that build the habit and prove the value after the fact Experimentation & Measurement A cadence of A / B tests across the journey, not a feature backlog Reading results honestly, including the ones that kill your own ideas Building … adoption or engagement outcomes end-to-end Strong analytics and experimentation skills – funnel analysis, cohort and retention analysis, designing and interpreting A / B tests Experience designing lifecycle journeys or triggered workflows, and the messaging that carries them Fluent English (daily collaboration with global commercial ...

Head of Engineering, Rewards

Location
Greater London, England, United Kingdom
a leader who has built and shipped direct-to-consumer products at scale, who is fluent in experimentation and A / B testing, and who has real depth in front-end and mobile engineering — not a purely backend platform … hiring engineers and Engineering Managers, and leading through those managers as the team scales. Establishing a strong experimentation culture: A / B testing, cohort analysis, and measurement that lets the team learn quickly what actually changes customer behaviour. Working closely with ...

Manager, Digital Testing & Optimisation

Location
Greater London, England, United Kingdom
conversion, engagement and sales through a structured testing roadmap and insight-led optimisation strategy.Working closely with Trading, Product, Creative (UX / UI), Analytics, and Technology teams, you will champion a culture of experimentation, using customer insights and data to drive continuous improvement across … rate, checkout completion, average order value and customer engagement to drive growth**Execute and Measure Experiments*** Design, implement and evaluate A / B, multivariate and personalisation tests* Define success metrics and statistical requirements for each experiment* Monitor test performance and provide clear recommendations based ...

Senior FX Product Manager - Hedging Conversion

Hiring Organisation
ebury
Location
London, United Kingdom
Salary
£ 80 K
every monthStatements, notifications and review moments that build the habit and prove the value after the factExperimentation & MeasurementA cadence of A / B tests across the journey, not a feature backlogReading results honestly, including the ones that kill your own ideasBuilding the measurement … conversion, adoption or engagement outcomes end-to-endStrong analytics and experimentation skills — funnel analysis, cohort and retention analysis, designing and interpreting A / B testsExperience designing lifecycle journeys or triggered workflows, and the messaging that carries themFluent English (daily collaboration with global commercial, tech ...

Data Scientist

Hiring Organisation
Tripledot Studios
Location
London, United Kingdom
Salary
£ 60 K
with platform outputs, investigating discrepancies, and validating features and metrics. This offers the opportunity to develop deep expertise in experimentation and A / B testing across a sophisticated internal platform. As the platform evolves, the role will expand into more advanced … automate QA processes and improve the efficiency and quality of validation.Build a deep understanding of experimentation methodologies, including A / B testing, monitoring, segmentation, and analysis.Collaborate with BI, Machine Learning, product teams, and other stakeholders to understand requests and shape effective ...

Data Scientist

Hiring Organisation
Tripledot Studios
Location
London, UK
Employment Type
Full-time
with platform outputs, investigating discrepancies, and validating features and metrics. This offers the opportunity to develop deep expertise in experimentation and A / B testing across a sophisticated internal platform. As the platform evolves, the role will expand into more advanced … automate QA processes and improve the efficiency and quality of validation. Build a deep understanding of experimentation methodologies, including A / B testing, monitoring, segmentation, and analysis. Collaborate with BI, Machine Learning, product teams, and other stakeholders to understand requests ...

Data Scientist New London

Location
Greater London, England, United Kingdom
with platform outputs, investigating discrepancies, and validating features and metrics. This offers the opportunity to develop deep expertise in experimentation and A / B testing across a sophisticated internal platform. As the platform evolves, the role will expand into more advanced … automate QA processes and improve the efficiency and quality of validation. Build a deep understanding of experimentation methodologies, including A / B testing, monitoring, segmentation, and analysis. Collaborate with BI, Machine Learning, product teams, and other stakeholders to understand requests ...

Growth Marketing Manager

Location
Greater London, England, United Kingdom
Manage budgets and allocate spend based on performance Work with the content lead to scale organic search Run CRO and A / B tests to improve website and landing-page conversion Build and optimise automated nurture and re-engagement journeys Run continuous growth experiments across … high-volume model Strong hands‐on experience running Google Ads and improving performance Experience building landing pages and running CRO and A / B tests Strong analytical skills Confident using HubSpot, GA4 and Google Search Console to independently diagnose performance and funnel drop-off Evidence ...

UX Visual Designer, Amazon Advertising - Brand Innovation Lab

Hiring Organisation
Amazon
Location
London, United Kingdom
Salary
£ 70 K
Managers, and Account Teams to transform concepts into compelling customer experiences.The ideal candidate combines strong UX fundamentals with hands-on experience using no-code / low-code web development tools such as Webflow, and possesses a foundational understanding of front-end technologies and basic web development.Key … responsive digital experiences. Collaborate with cross-functional teams to define customer journeys and optimize performances and engagement. Plan, execute, and analyze A / B tests to improve user experience and campaign performance. Conduct user research and usability testing to validate design decisions ...

Senior Decision Scientist

Hiring Organisation
MPB
Location
Brighton, East Sussex, United Kingdom
Salary
£ 70 K
improve the customer experience.Build product features and data products. Develop production-ready, data-driven features that customers interact with.Experimentation rigour. Lead A / B tests, holdouts, sample sizing, and post-test analysis to support confident decisions.Own certified metrics and the semantic layer for your squad … Practice and help raise data and AI fluency across MPBRecent projects in the team have included:A recommendations engine and associated experimentation / A / B testingNatural language search over catalog and content, using LLMs / SLMsVision-based image analysis ...

Senior Data Scientist, Product Analytics

Location
Greater London, England, United Kingdom
deploy advanced machine learning models to solve complex business challenges and drive data-informed decision making. Design and lead complex A / B and causal experiments to measure the impact of localization changes on traveler engagement and booking conversion; own the experimentation framework … scale. Lead and mentor data scientists and engineers, fostering technical excellence and a culture of continuous learning. Safely integrate and operate AI / ML‐enabled solutions that improve outcomes, ensuring models are reliable, ethical, and scalable. Co‐own with Product and business leaders the metric frameworks ...