26 to 50 of 76 A/B Testing Jobs in London

Your Mission As a Principal / Staff Product Designer – Onboarding , you will be a senior individual contributor leading design for high-impact growth initiatives across the customer lifecycle—from acquisition and activation to engagement, monetization, and retention. This role sits at the intersection of product … insights from data, user research, and experimentation into clear design direction and impactful solutions Design and refine onboarding, activation flows, pricing and packaging, upsell / cross-sell experiences, and lifecycle touchpoints Balance rapid experimentation with high-quality, scalable design solutions Influence product and growth strategy through strong design thinking ...

Owner IIApplyremote type: Hybridlocations: UK - Londontime type: Full timeposted on: Posted Todayjob requisition id: JR100061# Description**About the Role:**We’re looking for a Product Owner who thrives in a fast-paced, outcome-driven environment and is passionate about delivering products customers truly value. You will … Experience in finance, reconciliation or enterprise SaaS domains.* Familiarity with tools such as Jira, Confluence, or similar.* Exposure to product analytics, A / B testing, or data-driven decision-making.*At our core, Trintechers stand committed to fostering a culture rooted ...

Customer Experience Optimisation Manager London - mainly remote (2x a month in office) Up to 60,000 + bonus This is an excellent opportunity to take ownership of the full digital customer journey within a growing, digitally focused business. Sitting within a small, high-impact … performance and user experience Use analytics, user insights, and testing tools to identify opportunities for improvement Lead and implement A / B testing and experimentation strategies across platforms Collaborate with engineering, UX, pricing, and operations teams to scale optimisation efforts Monitor ...

Consultant Egham, Surrey (hybrid working) | Salary up to £60,000, with flexibility for a senior profile This is an opportunity to join a specialist experimentation and optimisation consultancy where CRO sits at the heart of everything they do. You will work directly with enterprise clients, owning … experimentation programmes and shaping how data driven optimisation is delivered across complex digital estates. The Company They are a UK based CRO, experimentation and personalisation technology business with both a proprietary platform and a consulting arm. The organisation partners with large, well known brands ...

What We Offer We offer a competitive salary, a great location, and a supportive, people‐first culture where your growth truly matters. With access to global projects, learning opportunities, and an inclusive environment that values every voice, you’ll have the space to shape … 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 ...

enabled travel platform that drives innovation and is at the forefront of the travel industry. Your efforts will focus on integrating advanced AI / ML technologies, conducting rigorous market analysis, and leading product direction with data-driven insights and strong customer empathy to define product strategy, prioritize roadmaps … analysis (customer segmentation, market sizing, partner needs) to inform strategy and roadmap Clearly define the value proposition of the product through competitive analysis and / or understanding of customer pain points Develop testable hypotheses that address industry and regulatory needs and drive performance outcomes; use experimentation to validate direction ...

cultural institutions reach highly engaged audiences and unlock meaningful revenue, transforming how tickets are sold across the world. In 2025, TTG entered a new chapter as part of MARI, the global events and experiences company powering world-defining live experiences. Together, we’re expanding our reach, deepening … fast-paced, cross-functional environments – you know how to collaborate across design, engineering, and commercial teams. Familiarity with experimentation frameworks, A / B testing, or marketing technology is a plus. Good To Know: Hybrid work environment (blend of in-office ...

Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a … performance, customer segmentation, and engagement patterns across the customer lifecycle. Drive the ideation and execution of advanced testing methodologies (A / B testing, incrementality), helping mentor other analysts on experimental design best practices. Develop and maintain scalable dashboards and reporting tools ...

digital customer journey , with accountability for conversion rate and revenue performance Developing and delivering a data-led experimentation roadmap (A / B testing, CRO) Using analytics, customer insights, and testing tools to identify opportunities and drive improvements Collaborating with … experience, CRO, or product optimisation Strong analytical mindset with experience using tools such as Google Analytics, Optimizely, VWO, or similar Solid understanding of UX / UI principles, experimentation, and digital optimisation Experience working in a cross-functional, fast-paced environment Excellent communication skills with the ability ...

analysis (customer segmentation, market sizing, partner needs) to inform strategy and roadmap. Clearly define the value proposition of the product through competitive analysis and / or understanding of customer pain points. Develop testable hypotheses that address industry and regulatory needs and drive performance outcomes; use experimentation to validate direction. … journey (from discovery through post‐trip servicing) and recommend customer‐centric product and UX solutions to increase understanding, trust, and conversion. Data, Experimentation & AI / ML Facilitate integration of AI / ML into product functionality (e.g., personalization, pricing support, or servicing flows) by leveraging an understanding of model ...

model deployments. Experience with agentic frameworks and autonomous agent architectures. Proficiency in Python and modern software development practices (testing, code review, CI / CD). Proven track record of delivering complex technical projects on time with high quality Advanced degree (Master\'s or Ph.D.) in Computer Science … platforms Knowledge of vector databases (Pinecone, Weaviate, Qdrant) and embedding models Experience with model serving frameworks (vLLM, TensorRT, Ray) Experience with A / B testing and experimentation frameworks for AI features Contributions to open-source ML projects or research publications Experience with model ...

Senior Product Analyst - £80,000 (Hybrid - London) Industry: Global Consumer Marketplace / App Department: Product & Insights A leading global marketplace is hiring a Senior Product Analyst to partner with product, engineering, design, and ML teams to shape the future of a mobile-first … discovery, ranking, and personalisation initiatives What We're Looking For Expert-level SQL + solid Python for product analytics Hands-on A / B testing experience (design + interpretation) Strong understanding of ETL / debugging data issues Excellent communication and stakeholder management ...

Overview NET-A-PORTER is seeking a Head of Site Analytics & Optimisation to join the NET-A-PORTER.COM and MR PORTER.COM teams. The role is pivotal in shaping the behavioural intelligence layer for our sites and apps, from data quality and transformation to experimentation … driven innovation (Google Vertex) across search, recommendations, and site experience, while overseeing end-to-end site and app experimentation governance, including A / B testing, hypothesis development, segmentation strategy, performance measurement, and statistical validity. Qualifications Strong commercial mindset with the ability to connect ...

Cleared / Clearable Salesforce Marketing Cloud Developer - 6 months+ - £(Apply online only)pd Inside IR35 - London (1-2 days on site per month) Please note, you must either have Full UK Security Clearance (SC) or be able to attain it to be eligible for this role. What … experience with Marketing Analytics platforms is highly desirable Work with Marketing Cloud Advanced (Personalisation) capabilities to deliver real-time, next-best-action and web / email personalisation experiences; highly desirable Support adoption of Marketing Cloud Next features and capabilities as they become available in the product roadmap; highly desirable ...

Cleared / Clearable Salesforce Marketing Cloud Developer - 6 months+ - £(Apply online only)pd Inside IR35 - London (1-2 days on site per month) Please note, you must either have Full UK Security Clearance (SC) or be able to attain it to be eligible for this role. What … experience with Marketing Analytics platforms is highly desirable Work with Marketing Cloud Advanced (Personalisation) capabilities to deliver real-time, next-best-action and web / email personalisation experiences; highly desirable Support adoption of Marketing Cloud Next features and capabilities as they become available in the product roadmap; highly desirable ...

deployment, and retraining pipelines using AWS SageMaker. Set standards for model registry usage, automated approvals, and rollback orchestration. Drive infrastructure-as-code and CI / CD maturity for ML systems across multiple environments. Lead design of enterprise‐wide weight‐update patterns and lineage‐aware deployment strategies. Inference Runtime & Cross … tests, and benchmark suites. Architect performance testing for latency‐sensitive inference paths and model hot paths. Establish standards for A / B testing, shadow deployments, canary rollouts, and controlled experiments. Company London Stock Exchange Group Qualifications Essential Proven track record architecting ...

shape the payment foundation that will support Flo's next stage of global growth. You will work across Product, Engineering, Data, Finance, Legal / Compliance, Support, and commercial stakeholders to build payment experiences and platform capabilities that are reliable, scalable, compliant, and growth-oriented. Payments are a … similar Experience managing fraud and dispute processes, including chargeback mitigation and refund strategy Strong grasp of key payments concepts such as: Payment flows SCA / 3DS Tokenisation Issuer declines Retries and dunning Refunds and disputes Reconciliation Subscription lifecycle and entitlement logic Working knowledge of indirect tax compliance (VAT / ...

will translate evolving fraud patterns, customer requirements, and regulatory expectations into product requirements and measurable outcomes, partnering closely with Engineering, AI R&D, Risk / Fraud specialists, Security, Compliance, and Growth teams. Reporting to the Sr Director Product Management, you will be responsible for prioritizing investments based on customer … latest fraud attacks in the biometrics IDV space, such as deepfakes and injection attacks Experiment with and A / B test new UX that both catches more fraud and minimises user friction Deep dive into recent fraud attacks to understand what’s driving them ...

digital products and enjoy working closely with technology, ecommerce and customer experience teams, this is an opportunity to help shape the future of a growing mobile app platform. You'll play a key role in delivering improvements that enhance customer journeys, increase engagement and drive commercial … customer journeys Coordinating app releases across iOS and Android platforms Using customer insight and analytics to identify opportunities for improvement Supporting A / B testing and experimentation initiatives Monitoring app performance and key customer engagement metrics Working closely with Ecommerce, Marketing and Trading ...

digital products and enjoy working closely with technology, ecommerce and customer experience teams, this is an opportunity to help shape the future of a growing mobile app platform. You'll play a key role in delivering improvements that enhance customer journeys, increase engagement and drive commercial … customer journeys * Coordinating app releases across iOS and Android platforms * Using customer insight and analytics to identify opportunities for improvement * Supporting A / B testing and experimentation initiatives * Monitoring app performance and key customer engagement metrics * Working closely with Ecommerce, Marketing and Trading ...

digital products and enjoy working closely with technology, ecommerce and customer experience teams, this is an opportunity to help shape the future of a growing mobile app platform. You'll play a key role in delivering improvements that enhance customer journeys, increase engagement and drive commercial … customer journeys * Coordinating app releases across iOS and Android platforms * Using customer insight and analytics to identify opportunities for improvement * Supporting A / B testing and experimentation initiatives * Monitoring app performance and key customer engagement metrics * Working closely with Ecommerce, Marketing and Trading ...

moves. Key Responsibilities 1. Agentic AI Systems Design, build, and evolve multi-agent systems and LLM-powered pipelines. You will: Design agent topologies - planner / executor, supervisor / worker, reflection loops, human-in-the-loop Build and extend agents using frameworks like LangGraph, Strands, and Agent SDKs Evolve … quality per prompt, model, and client Build guardrails for prompt injection, PII, and output safety Drive prompt engineering practice - versioning, A / B testing, platform overlays 3. Cloud & Data Infrastructure Own the cloud substrate that runs the AI workloads. You will: Architect ...

moves. Key Responsibilities 1. Agentic AI Systems Design, build, and evolve multi-agent systems and LLM-powered pipelines. You will: Design agent topologies - planner / executor, supervisor / worker, reflection loops, human-in-the-loop Build and extend agents using frameworks like LangGraph, Strands, and Agent SDKs Evolve … quality per prompt, model, and client Build guardrails for prompt injection, PII, and output safety Drive prompt engineering practice - versioning, A / B testing, platform overlays 3. Cloud & Data Infrastructure Own the cloud substrate that runs the AI workloads. You will: Architect ...

launch → early scale Experience leading large engineering teams or multi‐squad delivery in high‐growth or ambiguous environments Expertise in experimentation, A / B testing, and data‐driven development Technical fluency: SQL proficiency required; bonus for coding familiarity Core capabilities Engineering leadership: Ability … suite, able to defend decisions and influence direction Ideal background Experience in fintech, consumer finance, or adjacent industries Time spent in startups / scale‐ups or flat organisational structures Strong enthusiasm for emerging technologies and their applications in finance Interview process Intro call with Talent Team Take‐home exercise ...

About the Role We are seeking a results‐driven New Logo Campaign Manager to join our B2B Growth Marketing team. This role focuses on strategizing, executing, and optimizing global campaigns to drive net‐new customer acquisition within a specific industry vertical. Key Responsibilities Plan, execute … qualification, and conversion strategies with sales and lead management teams. Monitor campaign performance in real‐time and continuously improve tactics through A / B testing, audience segmentation, and optimization. Track, report, and analyse campaign performance against KPIs such as MQLs, SALs, cost ...