26 to 50 of 82 A/B Testing Jobs in the UK

delivering website optimisation and personalisation initiatives to improve conversion, customer engagement and sales performance. This will include planning and evaluating A / B tests, analysing customer behaviour, enhancing onsite merchandising and product recommendations, optimising site search and promotional content, and improving the mobile and desktop … candidate will have experience in ecommerce optimisation, trading or digital merchandising, with a strong understanding of conversion rate optimisation, A / B testing, personalisation and customer journey enhancement. Strong analytical skills and commercial awareness are essential, alongside experience using CMS platforms ...

optimise relevance and customer engagement. Develop and apply learning-to-rank and machine learning approaches to improve search outcomes. Run A / B tests, analyse results, and measure performance against key business metrics including conversion, click-through rate, and revenue impact. Build dashboards and reporting … Snowflake and AWS within production environments. Proven capability in search ranking, recommendation systems, or relevance optimisation. Strong understanding of experimentation frameworks, A / B testing, and statistical analysis. Experience measuring and reporting on KPIs including conversion, customer engagement, and commercial performance. Capability ...

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 ...

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 ...

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 ...

evolve into team leadership as the function grows. Own and deliver the CRO strategy across multiple digital platforms Design and execute A / B and multivariate tests to improve performance Identify and prioritise opportunities across varied customer journeys and acquisition funnels Build structured experimentation frameworks … future team development Your Skills and Experience Strong commercial experience in Conversion Rate Optimisation and experimentation Hands on experience coding experiments (A / b tests etc) with HTML, CSS and / or JavaScript. Proven ability to design and run structured testing programmes ...

have a consultative and strategic approach. Key Responsibilities Build robust data foundations Develop pipelines, improve data integrity, and define metrics / governance tailored for international markets. Develop actionable dashboards & reporting Create scalable, user-friendly dashboards that connect insights across the full customer journey. Deliver deep-dive analytics … native analytics Use Gen AI tools for automated insight generation, summarisation, anomaly detection, and workflow optimisation. Support experimentation & continuous improvement Analyse A / B tests and digital experience performance, quantifying customer and business impact. Influence strategy through storytelling Present insights clearly to technical ...

execution across multiple engineering organisations and external dependencies. Strong go-to-market experience. Skilled at driving hypothesis-driven product evaluation, including A / B testing and experimentation frameworks; able to foster a data-driven culture across the team. Comfortable with … apply with a cover letter and CV.Work in a way that works for youWe promote a healthy work / life balance across the organisation. With an average length of service of 9 years, we are confident that we offer an appealing working prospect ...

rate optimisation roadmap. Developing data-driven hypotheses and building a structured testing programme. Designing, building, and validating A / B tests using HTML, CSS, and JavaScript. Executing experiments through an experimentation platform and ensuring reliable implementation. Using behavioural analytics tools … Your Skills & Experience Strong commercial experience in Conversion Rate Optimisation within high-traffic digital environments. Hands-on experience building and deploying A / B tests using HTML, CSS, and JavaScript. Solid understanding of experimentation methodology, statistical significance, and test analysis. Experience using experimentation platforms such ...

Science Manager Location: London or Amsterdam Hybrid role: 3 days a week from our office & 2 days working from home Full time / Part time role: Full time Ready for a challenge? Then Just Eat Takeaway.com might be the place for you. We're a … measurable difference to our customers and partners. These are some of the key components to the position: Lead the development and deployment of ML / AI solutions including embedding models, fine-tuned LLMs, and ranking systems that drive engagement and orders while raising the bar for technical excellence. Apply ...

Healthcare, helping our customers deliver better experiences for the communities they serve. We are growing our Technology function and are looking for a technically minded Business Analyst to join the team. The Role As a Technical Business Analyst, you will bridge the gap between business requirements … Atlassian Rovo or similar AI-powered tools Experience with cloud-based web applications Experience working with data-led or AI products A / B testing and behavioural analytics BPMN, UML, Miro or Lucidchart Agile certifications such as CSM, PSM or PSPO Business analysis ...

Senior Data / AI Engineer Location: London (Hybrid, 2 days per week onsite) Salary: Up to £85,000 The Opportunity We are seeking a Senior Data / AI Engineer to play a key role in building and scaling innovative data products. This is more … maintain reliable batch and streaming data pipelines. Implement robust testing, observability and data quality controls. Promote engineering best practices through CI / CD, automation and platform standardisation. Stakeholder Engagement Partner with business and product stakeholders to identify high-value data opportunities. Translate business requirements into scalable technical ...

sure the team builds well across the whole lifecycle: reliable data pipelines, high-quality features, rigorous offline and online evaluation (including A / B testing), reliable deployment, monitoring and ongoing maintenanceLead the team in building production-grade agentic systems, using orchestration harnesses such … privacy and clear fallbacks when an agent shouldn't act on its ownRaise the bar on engineering practice through code and design reviews, CI / CD, MLOps, observability and on-callBuild strong relationships with senior leaders and partner teams, explaining progress, trade-offs and impact in plain languageContribute ...

transaction representation across FinCrime domains Partnering with Data Science on model evaluation, experimentation design and causal measurement in domains where clean A / B testing isn't always possible Mentoring engineers and data scientists on modern ML fundamentals, production best practices, and architectural … Wise Wise Tech Stack (2025 update) See what it's like to work at Wise London! Our Engineering career map Wise Engineering – https: / / medium.com / wise-engineering What do we offer: Starting salary: £145,000 - £182,000 + RSUs Wise Benefits #LI-AB3 #LI-Hybrid ...

roll mechanics.Balance hybrid monetisation across ads and IAP.Write clear design documentation for art, engineering and product teams.Analyse KPIs, playtests and A / B tests, and turn the results into design changes.Leading game designSet the design direction for the project, working with the product director … casual genres.Experience designing the economy, progression and monetisation of a live game, and tuning them using player data and A / B tests.Experience building playable prototypes yourself with AI tools.Leading game designExperience reviewing other designers’ work and helping them improve.Strong advantageExperience ...

agentic workflows that simplify complex business workflows for everyday users. Partner closely with Product, Engineering, and Analytics to run disciplined A / B tests and experimentation loops that measurably move activation, onboarding, and retention metrics. Build resilient design patterns and frameworks that deploy seamlessly across … years driving product design in high-scale B2B SaaS or Fintech. Proven track record in PLG, funnel design, behavioral analytics, and A / B testing. Hands-on internationalization (i18n) experience (multi-currency, multi-language, or local regulatory / compliance flows). Practical AI design ...

agentic workflows that simplify complex business workflows for everyday users. Partner closely with Product, Engineering, and Analytics to run disciplined A / B tests and experimentation loops that measurably move activation, onboarding, and retention metrics. Build resilient design patterns and frameworks that deploy seamlessly across … years driving product design in high-scale B2B SaaS or Fintech. Proven track record in PLG, funnel design, behavioral analytics, and A / B testing. Hands-on internationalization (i18n) experience (multi-currency, multi-language, or local regulatory / compliance flows). Practical AI design ...

Government business stakeholders across the full lifecycle, from hypothesis through to production deployment. Leveraging our AWS-based infrastructure you will apply modern MLOps / LLMOps tooling to run rigorous experiments, track results, and deliver scalable solutions. A key aspect to the role is to balance rapid experimentation … security of the UK. Core Duties Design and develop machine learning models for traditional ML use cases (forecasting, classification, anomaly detection) and GenAI / LLM applications Lead experimentation cycles: define hypotheses, design experiments, evaluate results, and iterate rapidly while adhering to governance requirements Transition validated experiments into production-ready ...

Government business stakeholders across the full lifecycle, from hypothesis through to production deployment. Leveraging our AWS-based infrastructure you will apply modern MLOps / LLMOps tooling to run rigorous experiments, track results, and deliver scalable solutions. A key aspect to the role is to balance rapid experimentation … security of the UK. Core Duties Design and develop machine learning models for traditional ML use cases (forecasting, classification, anomaly detection) and GenAI / LLM applications Lead experimentation cycles: define hypotheses, design experiments, evaluate results, and iterate rapidly while adhering to governance requirements Transition validated experiments into production-ready ...

Government business stakeholders across the full lifecycle, from hypothesis through to production deployment. Leveraging our AWS-based infrastructure you will apply modern MLOps / LLMOps tooling to run rigorous experiments, track results, and deliver scalable solutions. A key aspect to the role is to balance rapid experimentation … security of the UK. Core Duties Design and develop machine learning models for traditional ML use cases (forecasting, classification, anomaly detection) and GenAI / LLM applications Lead experimentation cycles: define hypotheses, design experiments, evaluate results, and iterate rapidly while adhering to governance requirements Transition validated experiments into production-ready ...

This is a highly impactful role for an experienced performance marketer with a strong background in B2B SaaS , ideally working with mid-market to enterprise-level customers . The successful candidate will be a highly analytical, data-driven marketer with a proven … performance, opportunity and commercial priorities. Testing, Measurement & Optimisation Establish rigorous testing frameworks across paid media, including A / B testing, incrementally testing and geo-lift studies. Develop measurement frameworks to understand campaign effectiveness and true incremental impact. ...

couldnt do it without our wonderful people. What you'll be doing: Lead Experimentation Delivery: Lead the technical delivery of A / B and multivariate tests, ensuring high-quality, performant and scalable implementations across our digital platforms. Build Optimisation Experiences: Develop customer experiences using JavaScript … techniques, browser capabilities and front-end technologies, identifying opportunities to improve our experimentation capability. What you'll have: Extensive experience developing A / B tests, personalisation campaigns or optimisation solutions within a commercial environment. Expert knowledge of JavaScript, HTML and CSS, with a ...

Lead Shopify Engineer / Architect Liverpool, Remote | Hybrid | Up to £85,000 plus benefits | Permanent The opportunity A growing multi brand ecommerce group is moving its international business from Magento to Shopify Plus. They want a Lead Shopify Engineer to work alongside their agency … such as Claude Code draft, build, review and test the work, and engineers check and approve every release. Own the repository, branching, environments, CI / CD, automated regression testing on cart, checkout and product pages, monitoring and release decisions, including change freezes at peak season. Build a ...

Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.Here … like Tableau, enabling you to create compelling and insightful dashboards.Experience evaluating product impact using experimentation frameworks and causal inference methods (e.g., A / B testing, quasi-experiments).You're a collaborative team player with a proven track record ...

Ready for a Challenge? Then Just Eat Takeaway.com might be the place for you. We’re a leading global online food delivery platform, and our vision is to empower everyday convenience. Whether it’s a Friday-night feast, a post-gym poke … Analytics) Knowledge of user behavior analytics tools (e.g., Snowplow, Google Analytics) and experience troubleshooting event tracking implementations Hands-on experience in A / B testing & experimentation to inform product decisions Ability to translate complex data into clear, actionable insights for technical ...