1 to 25 of 64 A/B Testing Jobs in London

technology. Key responsibilities include: • Supporting the development of a new experimentation Centre of Excellence. • Translating business OKRs into clear A / B testing roadmaps. • Leading ideation, prioritisation, design, and execution of experiments. • Setting up A / B … website experimentation strategies. Your Skills and Experience • Strong commercial experience running experimentation programmes. • Hands‐on experience setting up and analysing A / B tests. • Confidence working with digital experimentation platforms such as Optimizely or similar. • Good understanding of metrics, data interpretation, and experimentation best practices. ...

advertising performance is measured and optimised across one of the world's largest consumer platforms. You'll analyse massive datasets, design A / B experiments, and work closely with product and engineering teams to turn insights into real product improvements. The Offer: Annual Salary … have the appropriate work permit, no sponsorship) What you'll work on Measuring and improving ad performance Designing and analysing A / B experiments Identifying insights from large-scale datasets Influencing product and advertiser targeting strategies What we need Strong SQL and data analysis skills ...

responsible for: • Shaping and supporting the development of a Centre of Excellence for experimentation • Translating OKRs into structured A / B testing roadmaps • Prioritising a pipeline of experiments across multiple digital platforms • Ideating, designing and executing tests … required Your Skills and Experience You will need: • Strong commercial experience running experimentation programmes • Hands‐on experience setting up and analysing A / B tests • Good understanding of experimentation principles, metrics and statistical thinking • Ability to build, communicate and manage a testing ...

product work. You'll sit within the central Data function and partner closely with Product Managers to analyse user journeys, run A / B tests, and provide the insights that shape product decisions. This is a hands-on, impact-driven role in a … what drives behaviour. Use data proactively to uncover opportunities, size problems, and generate hypotheses for testing. Design, run, and analyse A / B tests and experiments in partnership with product teams. Define and track meaningful product metrics; ensure consistent measurement across teams. Build and maintain ...

alongside experienced engineers and product specialists, helping to shape the future of media technology. Key Responsibilities Develop and maintain scalable, high-quality JavaScript (ReactJS / TypeScript) code Collaborate closely with engineering and product teams to deliver new features and tools Contribute to backend services using Node.js Work with systems … Strong commercial experience with ReactJS Solid understanding of Node.js Experience with Rest API's and GraphQL Familiarity with testing - A / B Testing / Web Testing / Web Performance Proficient with Playwright / Cypress / ...

data-driven digital organisation where experimentation plays a central role in shaping product decisions. If you are passionate about A / B testing, tooling, and helping teams run high-quality experiments at scale, this role gives you the platform to make … CSS. * Hands-on experience with platforms such as Optimizely, AB Tasty, Monetate or Dynamic Yield. * A strong understanding of A / B testing concepts and feature flag workflows. * A focus on data quality, tracking and experimentation governance. * The ability ...

product work. You'll sit within the central Data function and partner closely with Product Managers to analyse user journeys, run A / B tests, and provide the insights that shape product decisions. This is a hands-on, impact-driven role in a … what drives behaviour. Use data proactively to uncover opportunities, size problems, and generate hypotheses for testing. Design, run, and analyse A / B tests and experiments in partnership with product teams. Define and track meaningful product metrics; ensure consistent measurement across teams. Build and maintain ...

Architecture & Solution Design Define reference architectures for GenAI systems: RAG, agentic orchestration, tool / function calling, multi-step reasoning workflows, memory patterns, and context strategies. Design multi-tenant and enterprise-scale GenAI platforms with clear separation of concerns: UI, orchestration, retrieval, inference, evaluation, and observability. Select model strategies: hosted … LLMs, open-weight models, fine-tuning vs. prompt / RAG, latency and cost tradeoffs, and deployment patterns. 2) Agentic AI Orchestration & Tooling Architect agent systems (single / multi-agent) including: Task decomposition, planners / executors, reflection / verification loops Tool use patterns (APIs, databases, search, workflow ...

Product Analyst - £55,000 (Hybrid - London) Industry: Consumer Marketplace / Mobile App Department: Product & Insights We're looking for a Product Analyst to join a fast-growing consumer marketplace used by millions globally. You'll work closely with product managers, designers, and engineers to uncover … Analyse user behaviour and product performance across key journeys Build dashboards and self-serve insights for cross-functional teams Support A / B testing: design experiments, interpret results, recommend next steps Work with data and platform teams to ensure clean, scalable datasets Present ...

into experimentation roadmaps. Prioritise tests based on value, business context and feasibility. Lead ideation, design and end-to-end execution of A / B tests. Partner with technical teams to ensure robust implementation. Analyse test results and communicate insights to stakeholders. Distinguish CRM experimentation from … enablement across digital teams. Your Skills and Experience Strong commercial experience running experimentation programmes. Hands-on experience setting up and analysing A / B tests. Understanding of experimentation principles, digital metrics and measurement. Experience with platforms such as GA4, Optimizely or similar tools. Ability ...

improve relevance and personalisation Own recirculation analysis, understanding how users move through content once on site Experimentation & Optimisation Design and analyse A / B tests across navigation, banners, "what to read next", and internal linking Evaluate what drives deeper engagement, longer dwell time, and repeat … with the ability to challenge and influence Nice to Have Background in media, publishing, or agency environments Experience with experimentation and A / B testing Exposure to forecasting or advanced analytical techniques Experience using Python for analysis WHY APPLY? Join a ...

Centre of Excellence for experimentation • Translate business objectives into structured testing roadmaps • Prioritise, plan, design and deliver A / B tests across multiple digital platforms • Run hands-on experiment builds, primarily using Optimizely • Analyse results and communicate insights to stakeholders across the business … strong fit if you have • Commercial experience running and managing experimentation programmes • Hands-on experience setting up and analysing A / B tests • Knowledge of experimentation tools such as Optimizely or similar platforms • A solid understanding of metrics, experimentation principles and test design ...

into commercial impact. Responsibilities include Owning customer analytics projects such as segmentation, churn modelling, LTV, and lifecycle optimisation Designing and analysing A / B and multivariate tests to shape acquisition and retention strategies Using SQL and dashboarding tools such as Tableau or Looker to communicate … data-led B2C environments Ability to translate analytical outputs into strategic recommendations and tell clear data stories Experience designing or analysing A / B testing and customer lifecycle analytics Python skills for statistical modelling or automation are an advantage This role offers a ...

Oversee all ecommerce optimisation and personalisation initiatives across websites and apps. Work with the ecommerce trading team to gather A / B testing requirements and implement campaigns that balance customer experience with commercial impact. Manage content updates to ensure a clear … . What we’re looking for: Passion for ecommerce and online retail. Strong analytical mindset with experience in optimisation, personalisation, and A / B testing. Hands-on experience with HTML, CSS, and ecommerce platforms / tools. Be at the heart of driving innovation ...

finance product backlog — prioritise features, improvements, and fixes based on data and user feedback • Run experiments and A / B tests to improve conversion, approval rates, and time to fund • Analyse product performance data to identify drop-off points, friction, and growth opportunities • Improve … product • You think in experiments — you test ideas before committing to big builds • Comfortable with product analytics: funnels, cohorts, conversion metrics, A / B test results • You can write a clear spec and work with engineers to ship features • Some experience or interest ...

guide technical decision-making, and ensure we deliver meaningful products for our clients and employees. Key Responsibilities Architect, build, and ship production-grade AI / Generative AI products using LLMs, RAG, agents, strong context strategies, and responsible guardrails. Lead a small team (initially 2 AI engineers … scale it; partner with Product using a working backwards mindset; set objectives, run Agile / Scrum, coach, and make fast, high-quality decisions. Drive 10x productivity with AI agents and AI coding assistants while maintaining high standards for code quality, testing, reviews, and observability, taking ...

traffic, funnel, conversion & engagement Translate analytical needs into clear, scalable reporting Data Extraction & Modelling Write SQL queries to extract and manipulate data from GA4 / BigQuery / Databricks Support the build of digital reporting layers Partner with technology teams to improve data quality KPI Definition & Insight Help standardise … similar BI tools) Experience with digital analytics platforms (GA4, Adobe, app analytics) Understanding of digital funnels and engagement KPIs Bonus: Exposure to Databricks / BigQuery or cloud data environments Analytical Skills Ability to turn business questions into measurable metrics Exceptional attention to detail Able to explain analytical findings ...

understand trade-offs, challenge assumptions, and make evidence-based decisions. Experimentation & Measurement Design hypotheses and support experimentation frameworks. Monitor and analyse A / B tests, providing clear recommendations on rollouts or iterations. Conduct post-experiment analysis to evaluate impact and learning. Enable Data-Driven Decision … large, complex datasets. Basic working knowledge of Python. Familiarity with ETL workflows and debugging data issues. Proven experience designing and interpreting A / B tests. Hands-on experience with data visualisation tools (e.g. Looker, Tableau, or similar). Excellent communication skills, with the ability ...

identify market opportunities, user needs, and areas for improvement. Translate insights into actionable product enhancements. Experimentation: Design, implement, and analyze A / B tests and other experimentation methods to validate hypotheses and optimize product features. Cross-Functional Collaboration: Work closely with engineering, design, marketing … Required Skills Strong analytical skills with a data-driven approach to decision-making. Proven experience in designing and executing A / B tests and other product experiments. Excellent communication skills (both written and verbal) with a track record of effectively collaborating ...

similar role with a globally recognised large brand Production Experience: You’ve built and shipped scalable systems before (ideally with ML / AI components) DevOps Mindset: You’re comfortable with version control, unit testing, and automated deployment pipelines (GitHub Actions). You built reusable frameworks … modular code that lasts. Bonus Points: If you’ve worked with AWS / GCP, understand the nuances of A / B testing, or have a passion for open-source development, we definitely want to talk. Please note this role doesn ...

Responsibilities • Build and operate production-grade AI agents on GCP using Google ADK • Integrate AI systems with policy, claims and CRM platforms via REST / JSON APIs • Design scalable RAG pipelines (ingestion, chunking, vector search) • Implement evaluation, monitoring, A / B testing and cost / latency dashboards • Embed security, GDPR compliance, RBAC / IAM and auditability • Partner with product and claims teams to deliver measurable business impact Key Details • Salary: £100,000–£130,000 (Principal level, dependent on experience) • Working model: Hybrid – 1–2 days per week ...

Implementation & Architecture: Design and maintain Adobe Analytics tracking solutions using Adobe Launch (Tags) or AEP Web SDK . Develop and manage Data Layers (JSON / XDM) to ensure consistent data collection. Technical Configuration: Configure eVars, props, success events, and processing rules within the Adobe Analytics admin console. Validation … behavior, conversion funnels, and marketing attribution. Integration: Connect Adobe Analytics with other Adobe Experience Cloud tools, specifically Adobe Target (A4T) for A / B testing and Adobe Audience Manager . Compliance: Ensure all implementations adhere to global privacy regulations such as GDPR ...

PaymentGenes is proud to be partnering with a high-growth, international technology organisation to appoint a Senior / Lead Data Scientist (AI-Native, AWS ML Stack, Production-Focused) . This is a strategic hire within a business scaling real-world … endpoints, pipelines) Leverage Bedrock for foundation model access Implement serverless inference with Lambda & API Gateway Utilise S3, Glue, Athena for data processing Implement CI / CD for ML workflows Monitor performance via CloudWatch and drift detection tooling Optimise inference cost and latency 🔁 Productionisation & MLOps Build reproducible ML pipelines Implement ...

Figma designs Write high-quality, secure, tested and performant code Own and improve automated testing strategies (unit, integration, e2e) Contribute to CI / CD and deployment processes Lead architectural planning and trade-off discussions Provide coaching and mentoring to peers Proactively support and maintain existing applications Experience … experience with Jest and Playwright Understanding of RESTful APIs and microservices principles Comfortable working in an Agile, DevOps environment Proficient with Git and CI / CD pipelines (GitLab preferred) Solid knowledge of HTML, CSS (Tailwind / SCSS) and web accessibility Desirable: Experience with MarTech tools (A ...

Pricing Analyst London, £65,000-£80,000 This is an exciting opportunity to join a growing data-driven organisation where pricing is central to commercial performance. You will shape how they optimise buying and selling activity, influence strategic decisions, and work with a modern analytics environment … Looker. * Exposure to Python or R for analytical workflows. * Ability to design experiments and work with methods such as A / B testing or multivariate testing. * Skilled at breaking down complex questions, applying pragmatic approaches, and telling a clear story through ...