26 to 50 of 50 A/B Testing Jobs in London

Lead analytics for a core product vertical Own technical discovery and experimentation frameworks Design, run and deeply analyse A / B tests (3-5 per quarter) Mentor other analysts (no line management) Influence product & business strategy end-to-end Enable scalable, self-serve … analytics What you'll bring Strong SQL (daily use) Python experience (nice to have) BI tools (Looker / PowerBI / Tableau) Experience with Optimizely or similar testing platforms Excellent communication + stakeholder influence Hands-on, highly technical, commercially minded Why apply? Up to £85k base ...

analytics for a core product area Shape product & commercial strategy with data-led insights Design, run, and evaluate A / B tests end-to-end (3-5 per quarter) Partner with Product, Engineering & ML teams Help build self-serve analytical capabilities What … bring Strong SQL (day-to-day level) Python exposure (nice to have) Experience with BI tools (Looker / PowerBI / Tableau) Comfort working with ETL workflows Strong communicator with commercial awareness Confident presenting to non-technical stakeholders Why apply? Up to £65k base 1 day a ...

supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Lead the design and analysis of A / B tests and offline experiments to evaluate model efficacy and support continuous improvement. Cross-Functional Collaboration: Engage with multidisciplinary teams to align … full lifecycle of machine learning, from model development, deployment and serving to monitoring and maintenance. Advanced proficiency in Python and knowledge of ML libraries / frameworks (e.g., TensorFlow, PyTorch). Experience using ML Training frameworks (e.g., TFX, Kubeflow Pipelines SDK) and Model Serving technologies (eg. Tensorflow Serving, Triton, TorchServe ...

This is Hybrid working 1 day a week in the London office. Are you an experienced CRM and automation specialist looking to take ownership of a high-impact digital channel? We’re looking for a talented CRM & Marketing Automation Lead to drive automated, multi … Manage integrations between CRM, web and digital systems • Build, automate and optimise campaigns across email, SMS, push and web • Run A / B testing, analyse performance and produce clear reporting • Ensure high data quality and efficient segmentation strategies • Plan and deploy regular monthly ...

seeking an experienced Sales Operations Data Analyst focusing on building core data capabilities across multiple global regions and markets. You’ll play a pivotal role in improving customer success and driving impact across Customer Experience, Digital Experience and Service Delivery. Central London location, hybrid, 10 month contract. Required … processes. Useful experience; Python or R for advanced analytics, automation, or experimentation support. Knowledge of statistical methods and experimentation (A / B testing) preferred. Machine learning and Generative AI experience is a plus. Experience working with call centre and / ...

SaaS organisation is seeking an experienced Data Analyst focusing on building core data capabilities across multiple global regions and markets. You’ll play a pivotal role in improving customer success and driving impact across Customer Experience, Digital Experience and Service Delivery. Central London location, hybrid, 10 month contract. … processes. Useful experience; Python or R for advanced analytics, automation, or experimentation support. Knowledge of statistical methods and experimentation (A / B testing) preferred. Machine learning and Generative AI experience is a plus. Experience working with call centre and / ...

seeking an experienced Sales Operations Data Analyst focusing on building core data capabilities across multiple global regions and markets. You’ll play a pivotal role in improving customer success and driving impact across Customer Experience, Digital Experience and Service Delivery. Central London location, hybrid, 10 month contract. Required … processes. Useful experience; Python or R for advanced analytics, automation, or experimentation support. Knowledge of statistical methods and experimentation (A / B testing) preferred. Machine learning and Generative AI experience is a plus. Experience working with call centre and / ...

organisation is seeking an experienced Senior Data Analyst focusing on building core data capabilities across multiple global regions and markets. You’ll play a pivotal role in improving customer success and driving impact across Customer Experience, Digital Experience and Service Delivery. Central London location, hybrid, 10 month contract. … processes. Useful experience; Python or R for advanced analytics, automation, or experimentation support. Knowledge of statistical methods and experimentation (A / B testing) preferred. Machine learning and Generative AI experience is a plus. Experience working with call centre and / ...

experience in full-stack or backend-focused roles • Advanced knowledge of Vue.js, Nuxt.js, JavaScript, TypeScript and SCSS • Strong backend development skills in Node.js, PHP / Laravel or equivalent • Solid experience working with headless CMS platforms and API-first ecosystems • Understanding of AWS services such as S3 • Experience with A … / B testing tools, GraphQL and API development • Excellent communication skills and confidence working with non-technical stakeholders • Portfolio demonstrating high-quality development work (preferred) • Experience in a digital or creative agency environment (preferred) Why Apply You will be joining a ...

design AWS Lambda integration with agents AI Safety & Evaluation Guardrail implementation (hallucination detection, toxicity filtering) Response evaluation frameworks and A / B testing Definition of AI performance metrics (accuracy, latency, user satisfaction) Programming & Development Advanced Python AWS SDK (boto3) Infrastructure as Code awareness … CloudFormation / Terraform) Git and CI / CD for ML systems UX Engineer - Skills & Requirements Design & Prototyping Advanced Figma skills Wireframing, interactive prototyping, and design systems Responsive web and mobile design Conversational UX Chatbot and conversational interface design Multi-turn conversation flows and context management Error handling ...

design AWS Lambda integration with agents AI Safety & Evaluation Guardrail implementation (hallucination detection, toxicity filtering) Response evaluation frameworks and A / B testing Definition of AI performance metrics (accuracy, latency, user satisfaction) Programming & Development Advanced Python AWS SDK (boto3) Infrastructure as Code awareness … CloudFormation / Terraform) Git and CI / CD for ML systems UX Engineer - Skills & Requirements Design & Prototyping Advanced Figma skills Wireframing, interactive prototyping, and design systems Responsive web and mobile design Conversational UX Chatbot and conversational interface design Multi-turn conversation flows and context management Error handling ...

Senior Data Scientist We are recruiting for a Senior Data Scientist with extensive product data analytics experience to join one of our Insurance clients on a 6-month contract. Inside IR35 Hybrid Responsibilities: Own the development and implementation of data models, analytics frameworks, and experimentation strategies … predictive models to support personalization and proactive member engagement based on demographics, behavior, and interaction activities etc. Design and analyze experiments (A / B testing, cohort studies) to assess feature effectiveness and improve user engagement. Create dashboards and self-serve analytics tools ...

design. Desirable CRM or marketing automation integration experience (Dynamics 365, ClickDimensions). Cloud hosting, domain management, and security familiarity. Exposure to A / B testing (Optimizely, VWO) and Power BI reporting. Experience in B2B SaaS, EdTech, or public-sector technology. ...

identity. Develop dynamic, multi-channel surveys (email, portal intercepts, exit intent). Implement advanced branching logic and variation frameworks for A / B testing. Configure API connections to CRM systems and Power BI for real-time dashboards. Ensure secure data handling and compliance with GDPR … tight timelines. Desirable Skills Familiarity with automotive financial services or similar regulated industries. Experience in UX research and competitor benchmarking. Basic knowledge of JavaScript / HTML / CSS for custom survey styling. Engagement Deliverables Fully branded Qualtrics environment. Configured surveys deployed across multiple channels. Integrated dashboards for real ...

schemes and propose differentiators. Share insights globally to replicate successful loyalty initiatives. Requirements: Advanced SQL and experience with a dashboarding tool (Tableau / Looker). Strong understanding of loyalty programmes, CRM strategy, and customer engagement. Experience in loyalty analytics in e-commerce, retail, or telco environments. Analytical … design propositions. Confident working cross-functionally and internationally, with excellent stakeholder management. Desirable: Python for statistical analysis. Experience designing and running A / B tests. Application Process: SQL test on Kaggle - 2 live-coding questions, interactive. Skills-based interview - 45 minutes (30 minutes questions ...

ship features that directly impact users. Responsibilities Develop, integrate, and fine-tune LLMs for natural-language understanding, reasoning, and workflow automation. Build agentic / LLM-driven workflows for multi-step decision making across diverse data sources. Architect and deliver ML features such as pattern recognition, entity extraction, and intelligent … services, and model inference systems. Manage deployment, monitoring, observability, and continual improvement of ML models. Evaluate model performance using offline metrics, A / B tests, latency and cost optimisation. Work closely with product and domain experts to translate requirements into robust ML solutions. ...

ship features that directly impact users. Responsibilities Develop, integrate, and fine-tune LLMs for natural-language understanding, reasoning, and workflow automation. Build agentic / LLM-driven workflows for multi-step decision making across diverse data sources. Architect and deliver ML features such as pattern recognition, entity extraction, and intelligent … services, and model inference systems. Manage deployment, monitoring, observability, and continual improvement of ML models. Evaluate model performance using offline metrics, A / B tests, latency and cost optimisation. Work closely with product and domain experts to translate requirements into robust ML solutions. ...

Braze Comms Campaign Ops Specialist Contract Length: 13 Weeks (w / Potential Extension) Location: London / Hybrid (x2 Days Onsite PW) Umbrella Rate: £350 - £450 Per Day (Inside IR35) Our client is a leading UK consumer digital business, seeking a hands-on Campaign Operations … Braze. Personalise content using Liquid scripting for dynamic campaigns. Design automated workflows and customer journeys based on behaviour and segmentation. Conduct A / B tests, track campaign performance, and provide insights. Collaborate with cross-functional teams to ensure accurate execution and compliance. Essential Skills & Experience ...

moments Discovery, Data & Experimentation Lead continuous qualitative and quantitative discovery to understand user behaviour and drop-off drivers Design and run A / B tests and structured experiments to validate hypotheses before development Translate behavioural insight into clear product opportunities and shipped improvements Product Strategy … customer value, and delivery effort in prioritisation decisions Clearly articulate trade-offs and outcomes to senior stakeholders Cross-Functional Leadership Partner closely with UX / UI designers to deliver intuitive, confidence-building experiences Work with engineers to improve performance, reliability, and recovery journeys Collaborate with data, marketing, and growth ...

moments Discovery, Data & Experimentation Lead continuous qualitative and quantitative discovery to understand user behaviour and drop-off drivers Design and run A / B tests and structured experiments to validate hypotheses before development Translate behavioural insight into clear product opportunities and shipped improvements Product Strategy … customer value, and delivery effort in prioritisation decisions Clearly articulate trade-offs and outcomes to senior stakeholders Cross-Functional Leadership Partner closely with UX / UI designers to deliver intuitive, confidence-building experiences Work with engineers to improve performance, reliability, and recovery journeys Collaborate with data, marketing, and growth ...

Designer with a proven track record of delivering market leading design for Software and web apps (that align with GDS standards) whilst considering the wider user impact is sought by a market leading digital innovation company. This UX Designer will be joining a team … lead role in the design output of an international brand then please click 'APPLY NOW'. UX Designer - User research, Photoshop, User Experience, ABtesting, Adobe XD Wireframing , agile, scrum, responsive, mobile, FinTech, SaaS, GDS, government digital services ...

Designer with a proven track record of delivering market leading design for Software and web apps (that align with GDS standards) whilst considering the wider user impact is sought by a market leading digital innovation company. This UX Designer will be joining a team … lead role in the design output of an international brand then please click 'APPLY NOW'. UX Designer - User research, Photoshop, User Experience, ABtesting, Adobe XD Wireframing , agile, scrum, responsive, mobile, FinTech, SaaS, GDS, government digital services ...

dive reporting and insights on content consumption and support evaluation of AI-driven metadata features. Develop, maintain and evolve self-service dashboards across Tableau / Looker for O&O teams - covering traffic, content, SEO and newsletter performance. What you'll need to succeed Experience of working in a … Data Analysis / Product Analyst capacity Experience of AB Testing Strong experience in SQL - ideally with BigQuery Knowledge of GA4 (Google Analytics) or Adobe Analytics Familiarity with subscription and user lifecycle metrics - CAC, churn, CLV, LTV, retention cohorts Experience building automated dashboards and data pipelines Ability ...

dive reporting and insights on content consumption and support evaluation of AI-driven metadata features. Develop, maintain and evolve self-service dashboards across Tableau / Looker for O&O teams - covering traffic, content, SEO and newsletter performance. What you'll need to succeed Experience of working in a … Data Analysis / Product Analyst capacity Experience of AB Testing Strong experience in SQL - ideally with BigQuery Knowledge of GA4 (Google Analytics) or Adobe Analytics Familiarity with subscription and user life cycle metrics - CAC, churn, CLV, LTV, retention cohorts Experience building automated dashboards and data pipelines Ability ...

Stepstone Group, we have a simple yet very important mission: The right job for everyone. Using our data, platform, and technology, we create opportunities for jobseekers and companies around the world to find a perfect match in fair and equitable way. With over 20 brands across … + bank holidays Private medical and dental healthcare Matching pension contribution of 4 or 5% (after 3 years of service up to 10%) 24 / 7 Employee Assistance Programme Life Assurance Cover Cycle to work scheme Hybrid working model (3 days working fromthe office) Volunteering days ...