176 to 200 of 276 A/B Testing Jobs in London

data engineer for customer experience

Location
Greater London, England, United Kingdom
data-driven decision-making through operational and analytical databases, queue systems, BI tools, and data science technologies. Задачи Design, build, and maintain scalable ETL / ELT pipelines for CEG systems, third-party tools, and logs; Develop and optimize data models for reporting, monitoring, forecasting, quality assurance, and experimentation; Implement … teams; Design and build internal data tools and products for CEG; Implement APIs, data services, and lightweight UIs using Python, Java, Golang, or JavaScript / TypeScript; Translate operational pain points into data tools from problem framing through delivery and iteration; Apply testing, code reviews, CI / ...

Senior Digital Insight Analyst

Location
Greater London, England, United Kingdom
part of WPP, is a leading creative company that combines brand experience, customer experience, and commerce, creating connected brands to drive growth. VML is celebrated for its innovative and human first, award-winning work for blue chip client partners including AstraZeneca, Colgate-Palmolive, Dell, Ford, Microsoft, Nestlé … funnel and behavioral analysis across digital touchpoints, collaborating closely with CRO and product teams to design, run, and evaluate experimentation initiatives (A / B testing, incrementality analysis, and heuristic reviews). Advanced Analytics & AI: Perform statistical analyses and leverage AI capabilities to accelerate ...

Machine Learning Engineer, Generative AI (Image & Video)

Location
Greater London, England, United Kingdom
with a primary focus on image and video generation and editing, as well as LLMsBuild cutting-edge augmented reality experiences with diffusion / flow matching modelsWork on state of the art GenAI pipelines for image and video generation. Ship a consumer- facing solution within weeksExtensively … Lens Content and Data Science teams to prototype new ideas, integrate ML models and APIs into production, and refine them through A / B testing and user feedbackActively monitor the market and research landscape for new developments in Gen AI, evaluate open-source ...

Principal Data Engineer

Location
Greater London, England, United Kingdom
background in Data Science Engineering, with a clear track record of principal‐level technical leadership. Hands‐on experience building and shipping AI / ML products in production Deep practical experience with LLM‐based systems: RAG architectures, embedding pipelines, prompt and response logging, evaluation frameworks. Hands‐on expertise … knowledge of LLM APIs, prompt engineering, and conversational AI patterns. Proficiency in Python and modern software development practices (testing, code review, CI / CD). Preferred Skills Hands‐on experience with cloud‐native ML infrastructure platforms Knowledge of vector databases (Pinecone, Weaviate, Qdrant) and embedding models Experience ...

Marketing Channels & Distribution Manager

Location
Greater London, England, United Kingdom
teams to launch integrated marketing campaigns for major platform rollouts. Mentor and upskill marketing team members on modern channel optimization techniques, A / B testing frameworks, and MarTech tooling. Direct external agency, media buyer, and vendor relationships to ensure high-impact campaign execution … budget efficiency. About You Ideally you’ll have / be: Strong experience leading channel marketing, digital performance distribution, or growth initiatives within a B2B SaaS, green-tech, or enterprise tech environment. Proven technical domain mastery across multi-channel distribution methods, including paid media, SEO / ...

B2C Lifecycle Communications Manager (CRM)

Location
Greater London, England, United Kingdom
Communications Manager (CRM) London, England, United Kingdom We are Indeed Flex. We Help People Get Jobs. Right now, we’re hiring! We are a tech-first staffing platform that gives workers the freedom to choose their own shifts and businesses the power to hire with a … push notifications and in‐app messaging. A track record of delivering measurable business results through experimentation, including journey optimisation, A / B testing and performance analysis. Strong analytical skills, with experience using customer data, segmentation and behavioural insights to identify opportunities ...

Product Manager (App, 6 Month Maternity Cover)

Location
Greater London, England, United Kingdom
become one of the most talked‐about beauty brands on the planet – and the magic is only growing. Today, we’re a global beauty phenomenon, scaling at record speed across 50+ markets with over 3,000 Dream Team members bringing the Tilbury magic to life every single day. … capabilities, making scope, sequencing and opportunity‐cost trade‐offs explicit. Define success measures, guardrails and instrumentation with Data and Engineering, using A / B tests, prototypes, usability testing, phased rollouts or post‐launch reviews where they improve decision quality. Drive launch readiness with ...

Marketing Insight & Analytics Lead - Mat Cover (9 Month FTC)

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
well-modelled, documented, and trusted Contribute to the design and governance of marketing data models within the broader data platform (Databricks), including gold / silver / bronze layer definitions relevant to marketing use cases Identify and close gaps in marketing data coverage; define requirements for new integrations … data products and self-serve reporting assets used by non-technical stakeholders Track record of designing and analysing incrementality experiments or A / B tests in a marketing context Desirable Experience with dbt (Cloud or Core) for transformation layer development Familiarity with Databricks ...

Marketing Insight & Analytics Lead - Mat Cover (9 Month FTC)

Location
Greater London, England, United Kingdom
well-modelled, documented, and trusted Contribute to the design and governance of marketing data models within the broader data platform (Databricks), including gold / silver / bronze layer definitions relevant to marketing use cases Identify and close gaps in marketing data coverage; define requirements for new integrations … data products and self-serve reporting assets used by non-technical stakeholders Track record of designing and analysing incrementality experiments or A / B tests in a marketing context Desirable Experience with dbt (Cloud or Core) for transformation layer development Familiarity with Databricks ...

Principal AI Data Scientist

Location
Greater London, England, United Kingdom
ensure scalable, reliable, and monitorable deployments. High proficiency in Python and modern software development practices, including rigorous testing, code reviews, and CI / CD pipelines. Strong hands‐on experience in traditional Machine Learning and deep learning techniques, specifically including Timeseries Forecasting algorithms. Background in Computer Science, Artificial … training, monitoring, and deployment. Background in forecasting, planning, or analytics applications. Familiarity with Anaplan or similar enterprise planning platforms. Experience with A / B testing and experimentation frameworks for AI features. Contributions to open‐source ML projects or research publications. Our Commitment ...

Product Manager | Subscription conversion

Location
Greater London, England, United Kingdom
success in driving subscription growth, audience growth and monetisation performance through product-led initiatives Hands-on experience with experimentation frameworks and A / B testing, including hypothesis development, prioritisation and interpretation of results Strong analytical capability, with experience using data and customer insights … tools Self-starting attitude with a high degree of ownership, initiative and accountability for business outcomes Desirable If not experience with Zephr / Zuora then Piano or similar subscription and paywall platforms Previous experience operating within the sports, horse racing, gaming, betting or media industry Experience working ...

Marketing Data Analyst Marketing - Acquisition & Marketing Measurement · London ·

Location
Greater London, England, United Kingdom
Join Readly! Readly was built on a simple but powerful idea: that curious people should never have to choose between the publications they love and the ones they haven't discovered yet. One subscription. Thousands of titles. Journalism, culture, lifestyle, science, sport, and ideas from around the world … analytics methodologies such as Geo-Lift studies, Multi-Touch Attribution or Marketing Mix Modelling (MMM). Experience optimising acquisition strategies through A / B testing, particularly across the upper funnel. Experience activating and sharing data points with advertising platforms to improve acquisition performance. ...

Principal Engineer - AI

Location
Greater London, England, United Kingdom
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 ...

Ad Ops Manager

Location
Greater London, England, United Kingdom
Management Systems (GTM, Tealium, Ensighten, Signal). Understanding of programmatic operations (DSPs, SSPs, DMPs). Exposure to web analytics, CRO, A / B testing, and site optimisation. Awareness of DCO platforms (Flashtalking, Sizmek, Jivox, RevJet). Understanding of attribution solutions (GMP, Neustar, Visual … away from your usual day‐to‐day work and create time to focus on your well‐being and self‐care. HELP@HAND BENEFITS 24 / 7 helpline to support you on a personal and professional level. Access to remote GPs, mental health support and CBT. Wellbeing content ...

Website Growth Engineer

Location
Greater London, England, United Kingdom
always. We have expanded from voice into three main platforms: ElevenAgents enables businesses to deliver seamless and intelligent customer experiences, with the integrations, testing, monitoring, and reliability necessary to deploy voice and chat agents at scale. ElevenCreative empowers creators and marketers to generate and edit speech, music, image … Experience building programmatic SEO systems or scaling large numbers of landing pages Experience with technical SEO, experimentation platforms, feature flags, or A / B testing Experience improving onboarding, activation, monetization, referral, or sharing flows A portfolio of side projects, products, automations ...

Staff Data Scientist

Location
Greater London, England, United Kingdom
public company, traded on the NYSE under the ticker symbol “HIMS.” To learn more about the brand and offerings, you can visit hims.com / about and hims.com / how-it-works. For information on the company’s outstanding benefits, culture, and its talent‐first flexible / remote … work approach, see below and visit www.hims.com / careers-professionals. About the Role: As a Staff Data Scientist at Hims & Hers, you are a technical leader and a "force multiplier" for our data organization. You do not just solve the most difficult problems ...

Senior Data Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
SENIOR DATA ANALYST REMOTE (UK) UP TO £90,000 This is an excellent opportunity for a Senior Data Analyst to join a high-growth digital business where analytics plays a central role in shaping product, customer, and commercial decisions. You'll work across a … solutions, and self-service analytics. Strong BI expertise, ideally using Looker, Omni, or similar modern BI platforms. Experience supporting experimentation and A / B testing initiatives. Exposure to dbt or analytics engineering methodologies. Ability to work closely with technical and non-technical stakeholders. ...

Principal Machine Learning Engineer

Location
Greater London, England, United Kingdom
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 ...

Content Designer

Location
Greater London, England, United Kingdom
Nscale delivers reliable, high-performance AI infrastructure built for the demands of modern AI workloads. Our marketing content team plays a key role in translating that technical depth into clear, compelling stories that reach developers, enterprises, and the broader AI community. We're looking for a … they shape web content decisions. Experience building or maintaining a content style guide from scratch. Exposure to A / B testing copy and using data to improve messaging. Why Nscale At Nscale, we're builders who believe that reliable, high-performance ...

CRM Lifecycle Executive

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
means to more - more freedom, opportunities, possibilities, and peace of mind. Moneybox is an award-winning wealth management platform, helping over one and a half million people build wealth throughout their lives, whether theyre saving and investing, buying their first home, or planning for retirement. Job Brief Moneybox … most effective channels Assist in preparing and distributing post-campaign performance reports, recommending actionable insights for continuous improvement Contribute and implement A / B tests to continually improve campaign effectiveness through structured testing plans Collaborate closely with Marketing, Product, and Insight teams ...

Senior Full Stack Engineer

Location
Greater London, England, United Kingdom
share of wallet, personalisation, member growth and engagement, and platform evolution. What You’ll Do Drive improvements through experimentation and A / B testing to ensure our application remains technologically relevant Take full ownership of your domain, contributing your expertise to foster a … e.g. Monthly Light’s Up and The Shine awards Relaxed dress code and modern office space (games area, chill-out areas, bookclub, free drinks / snacks) Onsite gym at HQ (including access to free HIIT & stretch classes) Strong learning and development culture Group auto-enrolment pension plan Enhanced parental ...

Software Engineer III- Front End- Web- JPM Personal Investing- Mid Level

Location
Greater London, England, United Kingdom
have plenty to learn and will join a friendly and collaborative group of talented engineers who are always willing to discuss / share ideas via various internal or external meetings / guilds / pairing sessions. All of this contributes to our primary focus; to build … Identify, troubleshoot and resolve existing or newly-identified prioritised defects. Ensure high-quality code through solid testing and adherence to best practices / standards. Work collaboratively with cross-functional teams and contribute to team discussions / meetings / guilds. Participate in code reviews to maintain ...

Senior Product Analyst

Location
London, United Kingdom
communities too. With over 1,000,000 active insurance policies, we protect builders, bakers, landlords and more than 1,200 other trades. Were a technology company as well as one that sells insurance. That means we build, we fail, we learn and we improve. Through our global social … data pipelines build dashboards and self-service query tools and train colleagues to use them Were looking for someone who is: an Analyst / Data Scientist or Management Consultant knowledgeable of SQL able to prove their aptitude for problem solving and experimentation (A / B ...

Senior Product Analyst

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
communities too. With over 1,000,000 active insurance policies, we protect builders, bakers, landlords and more than 1,200 other trades. Were a technology company as well as one that sells insurance. That means we build, we fail, we learn and we improve. Through our global social … data pipelines build dashboards and self-service query tools and train colleagues to use them Were looking for someone who is: an Analyst / Data Scientist or Management Consultant knowledgeable of SQL able to prove their aptitude for problem solving and experimentation (A / B ...

Senior ABM Digital Marketing Lead - Global (12-Month Maternity Cover)

Location
Greater London, England, United Kingdom
expands them further through account-based marketing. This is a 12‐month fixed‐term contract covering maternity leave, based in London (hybrid / 2‐days per week). As Senior ABM Digital Marketing Manager, you will execute and optimise account‐based marketing campaigns across DeepL's core … account‐based play for their patch. What You'll Own Campaign Execution & Optimisation Build, launch and continuously optimise account‐based campaigns across programmatic / display (including the ones managed by media partners), paid social and other relevant paid channels, ensuring creative, targeting and budget are tuned to the accounts ...