26 to 50 of 510 A/B Testing Jobs

Senior Director of Machine Learning (Experiences)

Location
Greater London, England, United Kingdom
discovery and conversion at scale. Lead data science and experimentation. Own predictive modeling, causal inference, and the experimentation platform and standards — A / B testing, guardrail metrics, and rigorous measurement of incremental business impact — as a decision-science partner to Product … driven experiences as this work scales. Grow, develop, and retain the team . Shape ML and data-science career ladders and dual technical / management tracks; partner with Talent Acquisition to attract and hire top-tier ML and data-science talent; calibrate hiring and promotions; establish standards ...

AI-Led Product Researcher & Designer

Hiring Organisation
SS&C Technologies
Location
London, United Kingdom
Salary
£ 70 K
establish best practice and raising the bar for user-centred product development.Collaborate with Product Analytics to design and interpret, amongst others, A / B and multivariate tests that measure the impact of features and user experiences.Design LeadershipLead end-to-end Product Design across our Digital … ExperimentationWork closely with Product Managers, Designers, and Engineers to introduce and scale AI-assisted experimentation practices across our products.Design and support A / B and concept tests to validate hypotheses and measure the impact of design and feature changes.Help define and monitor metrics such ...

AI-Led Product Researcher & Designer

Hiring Organisation
SS&C Technologies
Location
London, UK
Employment Type
Full-time
best practice and raising the bar for user-centred product development. Collaborate with Product Analytics to design and interpret, amongst others, A / B and multivariate tests that measure the impact of features and user experiences. Design LeadershipLead end-to-end Product Design across … closely with Product Managers, Designers, and Engineers to introduce and scale AI-assisted experimentation practices across our products. Design and support A / B and concept tests to validate hypotheses and measure the impact of design and feature changes. Help define and monitor metrics such ...

Digital Marketing Manager

Hiring Organisation
Robert Half Limited
Location
London, United Kingdom
Employment Type
Permanent
presence across the US, UK, Australia and India, the business operates a small portfolio of complementary brands within the entertainment / casting space, and has recently launched in India - a new and largely untapped market for the group. The Role An incumbent is moving … firmly focused on performance and digital acquisition - making sure paid advertising is working hard, owning website SEO, and running structured A / B testing. You'll also take ownership of reporting and analysis, building a clear picture of who is joining and becoming ...

Senior Growth Lead - Conversion Rate & Landing Page Optimization

Location
Greater London, England, United Kingdom
pages, quiz funnels, listicles, advertorials, and offer pages Build and launch landing pages end-to-end — concept, copy, structure, and build (page builders and / or working with dev), matched to traffic source and ad angle Run a continuous testing program — hypothesis backlog, A/ B and multivariate tests, post-test analysis, and a documented library of learnings Fix message-match — ensure the story a visitor clicks on is the story the page tells, segmented by traffic type (pre-sold vs. curiosity / tease, cold vs. ...

Senior Paid Media Manager (Search & Social) – (Maternity cover)

Location
Greater London, England, United Kingdom
give you the opportunity to share your knowledge, develop the team and contribute greatly to the growth of the client. Main responsibilities Paid Media / Cross-Channel Strategy Work with the Group Account Director to build a strong and innovative Paid Media advertising offering across all Paid … setting an example Supporting the development of other members of the team Good time management and organisational skills Commertial Grow Account Revenue Participate / lead in new media proposals and new client pitches Analytical Skills & Tools Demonstrate advanced knowledge in Paid Media Platforms (Google Ads, Microsoft, SA360, DV360, Meta ...

Senior Product Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Manchester, Lancashire, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £70,000 per annum
asked, challenge assumptions, and use data to shape product decisions. You'll own: Product analytics and customer journey analysis Experimentation and A / B testing Product performance measurement Feature tracking and instrumentation Stakeholder recommendations Analytics best practice across product teams What … doing Analyse user behaviour across acquisition, onboarding, activation, and retention journeys Design and run A / B and multivariate experiments from hypothesis through to recommendation Define success metrics and tracking requirements for new features before launch Build dashboards and self-serve reporting solutions for product ...

Senior Data Scientist, Product Analytics

Hiring Organisation
Expedia
Location
London, United Kingdom
Salary
£ 80 K
this role, you will partner with cross-functional teams to contribute to many aspects of product development, including understanding user behavior, A / B experimentation, and problem-solving using statistics and causal inference techniques.In this role, you will:Develop and deploy advanced machine learning models … 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 for the Localization product areaTranslate complex multilingual data insights ...

CRO Developer

Hiring Organisation
Harnham
Location
Manchester Area, United Kingdom
experimentation capability. The Role As a CRO Developer, you will be responsible for building, implementing, and maintaining A / B tests and experiments across a range of digital products. You will work closely with analysts, marketers, designers, and stakeholders to translate … hypotheses into live experiments that drive measurable business results. Build and deploy A / B and multivariate tests using HTML, CSS, and JavaScript Develop high-quality experiment code across websites and digital platforms Work with CRO and product stakeholders to turn testing ideas ...

Senior Data Analyst

Hiring Organisation
On the Beach Group plc
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 45 K
define success metrics for search performance. You’ll bring data to life, challenging assumptions and driving continuous improvement through rigorous A / B testing and experimentation of search results and recommendations.As a senior member of the analytics function … search results.Creating and configuring advanced dashboards to effectively report Search KPIs (CTR, Ranking Position,Zero-Results) for decision making.Designing and interpreting A / B tests across search and personalisation, identifying what’s worth testing and making evidence-based recommendations on what the team ...

Senior Director of Machine Learning (Experiences)

Hiring Organisation
TripAdvisor
Location
London, United Kingdom
Salary
Confidential
drive discovery and conversion at scale.Lead data science and experimentation. Own predictive modeling, causal inference, and the experimentation platform and standards — A / B testing, guardrail metrics, and rigorous measurement of incremental business impact — as a decision-science partner to Product … agentic and LLM-driven experiences as this work scales.Grow, develop, and retain the team. Shape ML and data-science career ladders and dual technical / management tracks; partner with Talent Acquisition to attract and hire top-tier ML and data-science talent; calibrate hiring and promotions; establish standards ...

Senior Director of Machine Learning (Experiences)

Hiring Organisation
TripAdvisor
Location
Oxford, Oxfordshire, United Kingdom
Salary
Confidential
drive discovery and conversion at scale.Lead data science and experimentation. Own predictive modeling, causal inference, and the experimentation platform and standards — A / B testing, guardrail metrics, and rigorous measurement of incremental business impact — as a decision-science partner to Product … agentic and LLM-driven experiences as this work scales.Grow, develop, and retain the team. Shape ML and data-science career ladders and dual technical / management tracks; partner with Talent Acquisition to attract and hire top-tier ML and data-science talent; calibrate hiring and promotions; establish standards ...

Lead Product Researcher

Hiring Organisation
SS&C Technologies
Location
London, United Kingdom
Salary
£ 80 K
best practice and raising the bar for user-centred product development. Collaborate with Product Analytics to design and interpret, amongst others, A / B and multivariate tests that measure the impact of features and user experiences. Customer, Market & Competitor Insight Plan and execute … Experimentation Work closely with Product Managers, Designers, and Engineers to introduce and scale experimentation practices across our products. Design and support A / B and concept tests to validate hypotheses and measure the impact of design and feature changes. Help define and monitor metrics such ...

EMEA Website Lead

Hiring Organisation
DS SMITH PACKAGING LIMITED
Location
London, United Kingdom
Employment Type
Permanent
management approval for key projects and investments Lead the planning and execution of a structured website experimentation programme, including A / B testing and UX optimisation initiatives Leverage analytics tools to track website performance, user behaviour, and engagement metrics, and implement … continuous optimisation strategies Drive SEO / GEO improvements focused on priority topics to enhance visibility, search rankings, and overall discoverability across all language versions Maintain compliance with legal, regulatory, and accessibility requirements, including GDPR and any other relevant regulations Lead the central website team (2 direct reports) responsible ...

Growth Marketing Performance Manager (Germany) - German speaking

Hiring Organisation
iwoca
Location
London, United Kingdom
Salary
£ 80 K
OptimisationOwn the conversion journey on our paid landing pages and run the experimentation roadmap that turns traffic into leadsDesign and run A / B tests with clear hypotheses and proper evaluation of significanceUse Google Analytics, heatmapping tools and A / B … from first principles, use data to make decisions, and understand statistical significance when evaluating test resultsHands-on experience designing and running A / B tests (landing pages, ad creative or conversion flows), including defining hypotheses and evaluating statistical significanceA builder mindset: you're energised ...

Machine Learning Engineer (UK)

Hiring Organisation
Bumble
Location
London, United Kingdom
Salary
£ 100 K
LondonEngineering – Machine Learning / Employee - Regular / Permanent / HybridAt Bumble, we're building a world where all relationships are healthy and equitable, and machine learning is central to making that real for millions of people every day. As part of our Machine Learning team … deploymentApply modern ML frameworks (e.g., PyTorch or TensorFlow) to design, train, and optimise models in production environmentsContribute to experimentation frameworks, including A / B testing and offline evaluation, to iterate on model performance with an agile mindsetMaintain and monitor production models, diagnose issues ...

Digital Product Manager

Hiring Organisation
Propel
Location
United Kingdom
where you'll have significant autonomy and influence. The product is a global consumer mobile app operating around a subscription / freemium model , with different experiences that need to work together as one cohesive product. You'll own the what and why behind the product … global consumer mobile product Analytics across acquisition, activation, engagement, retention and subscription behaviour Customer research and direct user conversations Experimentation and A / B testing, including hypothesis formation, test design and interpreting results Identifying and clearly defining product problems and opportunities Taking opportunities ...

Applied Scientist, Intelligent Talent Acquisition - Lead Generation & Detection Services

Location
City of Edinburgh, Scotland, United Kingdom
managers to refine requirements for an upcoming enhancement. After lunch, you’ll dive into model development, analyzing performance metrics from recent A / B tests and implementing improvements to the job-seeker recommendation pipeline. Throughout the day, you’ll participate in scientific discussions with peers … Protecting your privacy and the security of your data is a longstanding top priority for Amazon. Please consult our Privacy Notice (https: / / www.amazon.jobs / en / privacy_page ) to know more about how we collect, use and transfer the personal data ...

Senior Web Engineer

Hiring Organisation
Supermetrics
Location
United Kingdom
Salary
£ 70 K
intelligent search — with AI tooling as a default part of your workflowDesign the technical foundation for experimentation at scale: A / B testing frameworks, personalisation middleware, and rapid iteration pipelinesArchitect the Sanity content infrastructure for a “Create Once, Publish … reusable blocks, and ingestion pipelinesOwn the website data layer, event architecture, and tracking standards; monitor and optimize Core Web Vitals, uptime, and technical SEO / AI visibility continuouslyProvide technical oversight of external agencies and contractors: enforcing PR standards, CI / CD pipelines, and ensuring output meets our architectural ...

Paid Media Manager

Hiring Organisation
Searchability (UK) Ltd
Location
Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
200k monthly advertising budget Developing campaign strategies aligned with commercial and brand objectives Monitoring campaign performance and identifying optimisation opportunities Running A / B tests across creative, copy, audiences and targeting Collaborating with creative teams to produce engaging, on-brand assets Producing clear reports covering … focused with a strong understanding of conversions, revenue and return Experience developing and executing paid media strategies Confident running A / B tests across creative, copy and targeting Strong communication and stakeholder management skills Ability to balance brand positioning with performance objectives Experience ...

Data Scientist III, Analytics (B2B Supply Optimisation)

Location
City of Westminster, England, United Kingdom
data from multiple sources independently to build datasets suited for modelling and in-depth analysis. Design and execute measurement frameworks — including A / B testing, causal impact analysis, and multivariate methods — selecting the appropriate technique based on the business question and clearly communicating … accommodation or adjustment due to a disability during the application or recruiting process, please submit a request at https: / / expedia.service-now.com / askeg id=job_accommodation About Expedia Group Expedia Group includes three flagship consumer brands - Expedia, Hotels.com, and Vrbo - along ...

CRO Manager

Hiring Organisation
Harnham
Location
Essex, England, United Kingdom
performance Using analytics, customer insight, user testing, session recordings and performance data to identify optimisation opportunities Managing and delivering A / B testing and experimentation, ensuring successful tests are implemented into production Working with technical teams on tracking, experimentation architecture … strategic mindset, with the ability to build and own an optimisation roadmap Strong hands-on experience delivering experimentation and A / B testing Experience working across the full testing lifecycle, from identifying opportunities through to implementation and measurement Strong commercial awareness ...

Full-Stack Senior Software Engineer, GenAI Data Products and Platform (VP)

Hiring Organisation
Citigroup
Location
London, United Kingdom
Salary
£ 80 K
whole team. We succeed together.Skills & Experience Strong experience building and deploying production applications across the full stackProficiency in multiple languages, including Python and TypeScript / JavaScript (experience with Go or Java is a plus)Deep experience working with data—whether that's building data pipelines, designing analytics … with relational databases like PostgresExperience building backend services and APIs that handle data at scaleComfort with containerised environments and cloud infrastructure (we use OpenShift / Kubernetes)Strong understanding of CI / CD pipelines, testing frameworks, and automationExperience with data visualisation tools and techniquesWhat matters most ...

Senior Data Analyst I

Hiring Organisation
Elsevier
Location
London, United Kingdom
Salary
£ 70 K
retrieval gaps.Support evaluation of downstream applications (including GenAI-powered features) where they depend on retrieval quality.Experimentation & ReportingHelp design and lead A / B testing and experimentation frameworks for search and ranking improvements.Partner with product and data science to define success metrics and experiment … e.g., Tableau, Power BI, Looker, matplotlib, seaborn)Experience working with Databricks or similar large-scale data platformsExcellent understanding of experimentation design, A / B testing, and statistical analysisExperience defining and analyzing search / retrieval metrics (e.g., NDCG, recall, precision, ranking metrics)Proven ...

Senior MLOPs

Hiring Organisation
Elsevier
Location
London, United Kingdom
Salary
£ 70 K
Elsevier’s Data Scientists at Corporate Markets in the domain of Life Sciences. You will bridge Data Science and Engineering to turn experimental NLP / IR / GenAI models into secure, reliable, and scalable services. Our work empowers R&D within Chemistry and Biology domain, to support that … work on AI-based features (GenAI, Agentic AI, RAG, etc.) search / ranking quality, and knowledge graph aware retrieval while enforcing content rights and confidentiality.Key ResponsibilitiesML & LLM Engineering, Search and Recommendation EnginesAutomate and orchestrate machine learning workflows across major cloud and AI platforms (AWS, Azure, Databricks, and foundation model ...