76 to 100 of 336 A/B Testing Jobs in London

Senior Data Scientist

Location
Greater London, England, United Kingdom
Deploy baseline models quickly and iterate toward more complex solutions Manage the complete model lifecycle, including data extraction, feature engineering, deployment, A / B testing, and performance monitoring Partner with Engineering, Product, Business, and Finance stakeholders to define technical requirements and translate model … standard ML frameworks such as PyTorch, XGBoost, or LightGBM Experience working in cloud-based environments such as AWS or GCP Familiarity with CI / CD workflows, Git, and MLOps principles Ability to connect technical metrics to business outcomes and select appropriate algorithms Ability to explain technical concepts, model limitations ...

Data Scientist II, RufusX Science UK

Hiring Organisation
Amazon
Location
London, UK
Employment Type
Full-time
videos, providing visual inspiration, and more. We do this by leveraging advanced analytics, Natural Language Processing (NLP), Machine Learning (ML), A / B testing, causal inference, and data-driven insights to continuously improve our systems. Key job responsibilitiesAs a Data Scientist … optimizing shopping assistant systems based on a rich set of structured and unstructured contextual signals. - Design and analyze A / B tests and experiments to evaluate new features and model improvements, ensuring statistical rigor and actionable insights. - Develop metrics, dashboards, and reporting frameworks ...

Data Scientist II, HEP Analytics

Location
Greater London, England, United Kingdom
insights and recommendations that support hotel partner discussions, commercial decisions, supply quality, and performance improvement. Apply descriptive statistics, regression, experimentation, and causal or pre / post analysis where appropriate, clearly explaining assumptions, limitations, and results. Create clear visualizations, dashboards, executive summaries, and other artifacts that help technical … speed-up delivery, automate and add depth to your analyses. You understand probability, descriptive statistics, regression, and common experiment designs such as pre / post analysis, A / B testing, or causal impact analysis. You can combine data from multiple sources, perform ...

Product Data Scientist

Location
Greater London, England, United Kingdom
delivery experience, measuring performance and finding opportunities to improve outcomes. Design and help evaluate experiments Define hypotheses, monitor A / B tests, and conduct post experiment analyses. Provide clear recommendations on rollouts or iterations. Enable self-serve data driven decision making Collaborate with product, platform … a clear recommendation Working knowledge of Python Familiarity with ETL workflows and debugging data issues Proven experience with A / B testing design and interpretation Hands-on experience with visualisation tools (Looker, Tableau, or similar) Excellent communication skills, able to explain ...

Data Scientist II, HEP Analytics

Location
Greater London, England, United Kingdom
insights and recommendations that support hotel partner discussions, commercial decisions, supply quality, and performance improvement. Apply descriptive statistics, regression, experimentation, and causal or pre / post analysis where appropriate, clearly explaining assumptions, limitations, and results. Create clear visualizations, dashboards, executive summaries, and other artifacts that help technical … speed-up delivery, automate and add depth to your analyses. You understand probability, descriptive statistics, regression, and common experiment designs such as pre / post analysis, A / B testing, or causal impact analysis. You can combine data from multiple sources, perform ...

Data Scientist, London

Location
Greater London, England, United Kingdom
friction for good users. Product analytics and growth. Own funnel analytics across on-ramp and off-ramp flows. Design and analyze A / B and multivariate experiments, identify conversion bottlenecks (KYC, payment method, geo), and partner with PMs and designers to ship measurable improvements. … / AI modeling. Design, train, and deploy machine learning models, from classification and forecasting to clustering and recommendation, that power decisions inside the product (e.g., dynamic payment method ranking, user lifetime value, churn prediction). Business intelligence and reporting. Build trusted dashboards and self-serve data products for Product ...

Lead Product Designer

Location
Greater London, England, United Kingdom
fostering a culture of continuous learning and "bringing others with you". Data-Driven Iteration: Use analytics, research, and A / B testing to refine designs and improve user experiences. What you'll bring Proven experience leading complex product design initiatives … agency environment. Strong end-to-end product thinking, with the ability to define and lead design strategy from discovery through to launch. Deep UX / UI expertise across research, information architecture, interaction design, visual design, and prototyping (e.g. Figma). Demonstrated ability to define, govern, and scale design systems ...

Data Analyst - Product Analytics & A/B Testing (Remote)

Location
Greater London, England, United Kingdom
A … leading cryptocurrency launchpad company is seeking a Data Analyst to support data initiatives across the product. You will analyze A / B tests, investigate product metrics, and build dashboards to track KPIs. The ideal candidate will have strong SQL skills and familiarity with ...

Senior Data Scientist, Payment Intelligence

Hiring Organisation
GoCardless
Location
London, UK
Employment Type
Full-time
What you'll doLead the end-to-end delivery of models at scale, from initial discovery and feature engineering to production, A / B testing and continuous monitoring. Collaborate with product and engineering peers to turn complex data into real-time, mission-critical … technical peers. You are comfortable owning the full lifecycle, from deep-dive analysis and feature engineering to prototyping, validation, and live A / B testing. You lead by example, writing clean, high-quality code and raising the team's technical bar through knowledge sharing ...

Principal Product Manager - AI Builder

Location
Greater London, England, United Kingdom
roll out tests continuously within brand-defined success metrics, guardrails, and policies. Rapidly prototype agentic flows hands-on: orchestration across specialised sub-agents, tool / function calling against internal platform APIs, prompt and context design, agent memory, and evaluation harnesses — proving value and feasibility before committing engineering investment. Take … rollback, audit trails, and attribution so every agent action is measurable and reversible. Define the trust architecture for agents acting on live experiences: preview / approve / undo flows, escalation triggers, explainability, and override tracking — patterns designed to be adopted by teams across Expedia Group as autonomous optimisation ...

Technical Product Manager - Supply Chain

Location
Greater London, England, United Kingdom
sectors including retail, technology, logistics, healthcare, and more, aiming to transform traditional business models with cutting-edge digital solutions. Know more about us: https: / / / JD.com is seeking an experienced Technical Product Manager - Supply Chain to join our growing technical team at Joybuy (). Joybuy … delivering complex, cross-functional product initiatives from concept to launch at scale. Strong analytical and data-driven mindset, comfortable with SQL, A / B testing, and quantitative analysis. Excellent stakeholder management and communication skills, with the ability to navigate a matrix ...

Software Engineering Manager

Location
Greater London, England, United Kingdom
debt, automated testing and appropriate technical documentation. Champion strong engineering practices, including collaborative programming, testing approaches such as TDD, CI / CD and production ownership. Ensure strong observability and operational health, with useful code‐quality and Production metrics, appropriate KPIs, well‐calibrated alarms and clear … challenge and when to create space for others. Strong understanding of engineering practices such as TDD, collaborative programming, automated testing, CI / CD and production ownership. We care more about how you practise engineering than whether you already know our exact technology stack. Experience building strong Product ...

Senior Data Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
insights into how users interact with digital products and content Supporting product measurement, event tracking, and analytics frameworks Designing and analysing A / B tests and experimentation programmes Evaluating the impact of new features and product enhancements Identifying opportunities to improve retention, engagement, and user … audience analytics, CRM analytics, web analytics, or subscription analytics Experience analysing user behaviour, engagement, retention, or customer journeys Exposure to experimentation, A / B testing, or product measurement Experience working within cloud data environments such as BigQuery, Snowflake, Redshift, Databricks, Azure, or similar ...

Data Scientist

Location
Greater London, England, United Kingdom
CoreWeave is The Essential Cloud for AITM. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical … Python and scientific computing libraries (NumPy, pandas, SciPy, scikit‐learn, PyTorch or TensorFlow) Demonstrated experience designing and analyzing controlled experiments (A / B testing, causal inference, hypothesis testing) Experience working with distributed data systems (Spark, Ray, Dask, or similar) Proficiency ...

Senior Data Analyst

Hiring Organisation
Viber
Location
London, UK
Employment Type
Full-time
aligned with company strategy. Partner cross-functionally to translate data findings into actionable product and business decisions. Design, run, and analyze A / B tests to evaluate product changes and user experience optimizations. Build, automate, and maintain dashboards and reports to track platform health, user … digital products. Strong command of SQL, Python, and data visualization tools (e.g., Tableau, Looker, Matplotlib).Proven ability to design and analyze A / B tests and apply sound experimental methodology. Strong understanding of how to leverage AI to improve analysis speed, accuracy, and impact. Excellent ...

Senior Product Analyst

Hiring Organisation
King Games
Location
London, UK
Employment Type
Full-time
product data. Strong SQL skills (BigQuery preferred) and confidence working independently with large datasets. Experience owning or contributing to experimentation and A / B testing, including helping design experiments, interpreting results and translating findings into product recommendations. Dashboarding experience in Looker (or a … recognising these as essential parts of delivering product value. Highly AppreciatedGood understanding of statistics, with confidence interpreting experiment results and supporting A / B test analysis. Python or R for analysis, automation or modelling. Curiosity about using AI tools such as Claude, ChatGPT or Codex ...

Senior Full Stack Web Developer

Location
Greater London, England, United Kingdom
tools Lead architecture, development, experimentation, and operations across all web applications Drive product decisions: contribute to the vision, design and run A / B tests, analyze results, and iterate quickly Build adaptive, animated, mobile-first experiences that convert and delight users Integrate with backend services … Swagger docs), authentication providers (Google / Apple SSO), and payment gateways (Stripe, PayPal, RevenueCat) Set up and optimize analytics, tracking, and conversion funnels in collaboration with Growth and Marketing Ship production-ready code end-to-end; from idea through deployment to monitoring We’re looking for outstanding engineers ...

Lead Product Analyst - Business Onboarding

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
high-impact opportunities in the onboarding flow. Partner with the team to prioritise projects with the highest leverage. Lead experimentation and A / B tests for business onboarding, defining hypotheses and metrics. Analyze results to drive product roadmap recommendations to reduce friction and boost conversion. … environment. You identify high-impact opportunities and make them happen. You triage requests by impact and know when to go deep versus deliver 80 / 20 results. Communication: Excellent verbal and written communicator - you cut through the noise, communicating what matters in a way that people ...

Lead Product Analyst - Business Account Management

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
accelerate or identify and advocate for better alternativesEnsure accurate, impactful, fast decision making with high quality analysis, raising the bar for a / b testing and helping us to iterate faster. Build automated data pipelines and dashboards to minimise repetitive tasks and allow … write clear, performant, and reliable queries to transform large complex datasets)You have experience building and owning automated data pipelines with tools like DBT / AirflowExperimentation & Statistics: Experience running A / B tests and analysing the results to drive product decisions Ownership: You enjoy ...

Lead Product Analyst - Business Account Management

Location
Greater London, England, United Kingdom
identify and advocate for better alternatives Ensure accurate, impactful, fast decision making with high quality analysis, raising the bar for a / b testing and helping us to iterate faster. Build automated data pipelines and dashboards to minimise repetitive tasks and allow data … write clear, performant, and reliable queries to transform large complex datasets) You have experience building and owning automated data pipelines with tools like DBT / Airflow Experimentation & Statistics: Experience running A / B tests and analysing the results to drive product decisions Ownership ...

Senior Product Manager, Subscriptions

Location
Greater London, England, United Kingdom
funnel, and market data into clear hypotheses, define meaningful success metrics, and build a prioritized experimentation roadmap. Design rigorous A / B experiments to evaluate funnel changes against strong baselines, scaling approaches that demonstrably work across markets and segments. Make pragmatic trade-offs … connect product decisions to downstream revenue outcomes such as ARPU, LTV, and net subscriber growth. You're fluent in experimentation and A / B testing and are confident interpreting funnel, cohort, and behavioral analysis to make thoughtful prioritization decisions. You know ...

AI Product Analyst (AI Metrics & Model Evaluation)

Hiring Organisation
The Portfolio Group
Location
City of London, London, Castle Baynard, United Kingdom
Employment Type
Permanent
Salary
£80000 - £85000/annum
industries, where real users act on high-level advice relating to legislative, regulatory and legal frameworks. As AI Product Analyst you'll play a key role in providing high-level insight into how much the AI products are being used, how well the AI models and agents … LLMs: golden datasets, scoring and regression testing. Retrieval-augmented systems and the AI metrics used to assess them Experiment design and A / B testing A regulated professional services environment This is a defining appointment for a ...

Growth Marketing Manager

Hiring Organisation
Michael Page
Location
London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum Bens
including budgets and channel performance Dive into funnel and performance data to identify the biggest growth opportunities Own CRO and A / B testing across the website and landing pages Work with content to increase organic acquisition and SEO performance Build and optimise … someone who is naturally curious, commercially minded and obsessed with finding ways to improve performance. You'll ideally bring: 5+ years' experience in growth / performance marketing, within B2B SaaS, Healthtech or Tech A proven track record of scaling high-volume SMB lead generation Strong hands ...

Marcus by Goldman Sachs, Product Management, Web Editor, Associate, London

Hiring Organisation
Goldman Sachs
Location
London, UK
Employment Type
Full-time
impact features and functionality of the website and develop long-term strategic roadmap for the channelAnalyse and identify conversion gaps and A / B testing opportunities to make iterative journey improvementsEstablish and track KPIs to measure the success of web initiatives and make … opportunities and firmwide networks to benefits, wellness and personal finance offerings and mindfulness programs. Learn more about our culture, benefits, and people at GS.com / careers. We're committed to finding reasonable accommodations for candidates with special needs or disabilities during our recruiting process. Learn more: The Goldman Sachs ...

Data Scientist III, Analytics (B2B Supply Optimisation)

Location
Greater London, 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 ...