26 to 50 of 403 A/B Testing Jobs

Data Analyst (6 Month FTC)

Location
Greater London, England, United Kingdom
team in Central London. You’ll play a pivotal role in driving data-informed decision-making through advanced A / B testing, statistical analysis, and enterprise-level business intelligence solutions This is a client-facing position where … within the client’s team, requiring strong autonomy, initiative, and the ability to represent CI&T professionally Design, implement, and analyze A / B tests to measure product and feature performance Apply statistical methods to ensure test validity and generate actionable insights Present findings ...

Product Manager

Location
United Kingdom
alongside our engineers rather than only directing them. A strong understanding of UI and UX design is essential: using A / B testing, data analysis and strategic insight from our Head of Product, you'll be making judgement calls on layout … briefing: Use AI coding tools to build directly in the codebase alongside engineering, rather than only writing specs or handing over Figma files. UI / UX design: Set the standard for layout, flow and visual design on customer-facing pages, working with the design team to build on what ...

Senior Data Analyst - A/B Testing & Power BI Lead

Location
Greater London, England, United Kingdom
Senior Data Analyst to join the client team in Central London. You will drive data-informed decisions through advanced A / B testing, statistical analysis, and enterprise BI solutions. The role is client-facing, embedding with the client's team, and requires autonomy … professional representation of CI&T. You'll design and analyze A / B tests, build semantic Power BI data models, and develop high-performance dashboards. #J-18808-Ljbffr ...

Mid iOS Developer - Manchester

Location
Manchester, England, United Kingdom
from you. We'll help you grow into the rest. Nice to have SwiftUI GraphQL UI testing with XCUITest A / B testing or phased rollouts Android or cross-platform experience An interest in electronic music and the scenes RA serves … contributions to community projects and charities you care about. A transparent internal company culture committed to diversity, equity, and inclusion (see: https: / / ra.co / about / diversity). Active involvement in community projects within the electronic music community (see: https: / ...

Senior MLOps Engineer

Location
City Of London, England, United Kingdom
About the Team Join the team that powers Elsevier’s research platforms—Scopus / Scopus AI, ScienceDirect / ScienceDirect AI, and journal submission & peer review workflows. About the Role You will bridge Data Science and Engineering to turn experimental NLP / IR / GenAI models into … operate over one of the world’s largest scholarly corpora, so you’ll work on AI-based features (GenAI, Agentic AI, RAG, etc.) search / ranking quality, and knowledge graph aware retrieval while enforcing content rights and editorial confidentiality. Responsibilities ML & LLM Engineering, Search and Recommendation Engines Automate ...

Senior iOS Developer - Manchester

Location
Manchester, England, United Kingdom
like to hear from you. We’ll help you grow into the rest. Nice to have SwiftUI, reactive programming and GraphQL A / B testing, phased rollouts and data tracking Monitoring tools such as Datadog Android or cross-platform experience An interest … contributions to community projects and charities you care about. A transparent internal company culture committed to diversity, equity, and inclusion (see: https: / / ra.co / about / diversity). Active involvement in community projects within the electronic music community (see: https: / ...

Distinguished Engineer - Web & Advertisement

Location
Greater London, England, United Kingdom
bidding and programmatic integrations, direct-sold and sponsored formats, viewability, brand safety and ad-quality controls. Experimentation and observability: Feature flagging, A / B testing infrastructure, real-user monitoring and the instrumentation that measures both reader and advertising outcomes. The role works across … stack mastery: Expert, hands-on command of React, Next.js, Node.js and TypeScript, and of rendering strategies (SSR, SSG, ISR, edge), CDN and caching, CI / CD and testing. Mobile web performance: Deep expertise in Core Web Vitals, rendering performance, device and network constraints, and in keeping a ...

Data Scientist

Location
City Of London, England, United Kingdom
level Data Scientist to join the team that owns business-critical, live solutions utilising Large Language Models (LLMs), such as an email ingestion / extraction solution and underwriting agents. This is not a pure research or offline-modelling role - when research is carried out and potential opportunities … prototypes (e.g. PoC agents, rapid evaluation of an LLM approach) before committing engineering investment. Stay involved from prototype through to production, working with ML / software engineers to harden, scale, and maintain what you've built as a key contributor to the codebase. Design and run evaluation ...

Product Designer - London

Location
Greater London, England, United Kingdom
quick change is the fastest way to ship. Testing what you build with users, measuring its impact (A / B testing, user interviews, users daily use data...) and iterating quickly based on what you learn. Shaping the roadmap together with … simple and intuitive. Have a portfolio that shows your latest work. Have hands‐on experience running user tests and A / B tests. Know when a proven solution is good enough and when a problem deserves something new. Have ...

Front-End Developer - Amsterdam

Hiring Organisation
HELPLINE
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
contributing to AI initiatives and a modern frontend stack. You'll shape user journeys and maintain high-quality code, tests, and CI / CD practices. This role offers impact through improving purchase funnels and advancing a data-driven, AI-enabled customer experience. Verantwoordelijkheden Develop, maintain … services for product selection, offers, leads, address lookup, usage estimation, and order APIs Support data-driven CXO experiments and coordinate A / B tests with VWO using feature flags Write unit tests and collaborate on Cypress E2E tests; contribute to CI / CD pipelines ...

Senior Data Analyst I

Location
Greater London, England, United Kingdom
Support evaluation of downstream applications (including GenAI-powered features) where they depend on retrieval quality. Experimentation & Reporting Help design and lead A / B testing and experimentation frameworks for search and ranking improvements. Partner with product and data science to define success metrics … Power BI, Looker, matplotlib, seaborn). Experience working with Databricks or similar large-scale data platforms. Excellent understanding of experimentation design, A / B testing, and statistical analysis. Experience defining and analyzing search / retrieval metrics (e.g., NDCG, recall, precision, ranking metrics ...

Senior Product Manager

Location
Greater London, England, United Kingdom
into clear problems, and problems into requirements, prototypes and success measures your engineers and designers can act on. Using data, experiments, A / B tests and customer feedback to decide what to build and to prove what it delivered. Understanding the commercial side of your … features. Experience finding and shaping opportunities yourself you don't need a problem handed to you. Comfortable with analytics, A / B testing and customer research you can find your own answers in the data. Already using AI tools ...

Data Scientist - Consumer Behaviour

Location
City Of London, England, United Kingdom
Data Scientist - Consumer Behaviour Central London / Hybrid - 3 days per week in the office (Tuesday to Thursday) Salary range £45,000 - £60,000 depending on skills & experience Ref: J13181 A fantastic opportunity for a Data Scientist looking for the opportunity to work on genuinely … functions Apply statistical methods including hypothesis testing, confidence intervals and experimental analysis Work with causal inference techniques such as A / B testing, difference-in-differences and matching Investigate selection bias, confounding and other factors that could affect the validity ...

Product Analyst

Hiring Organisation
Stepstone UK
Location
South East London, London, United Kingdom
Employment Type
Permanent
problem and agree the approach. Your work could take many forms, from dashboards and funnel analyses to tracking design and A / B test read-outs. Working in the Product Analytics department, you will partner closely with Product Managers, Heads of Product, and cross-functional … clear recommendations. Support product discovery through opportunity sizing, hypothesis generation, and input into experiment design, then set up, run, and analyze A / B tests, explaining what results do and do not tell us. Own the data foundations behind your work: write and refine behavioral ...

Data Analyst (EdTech)

Location
Greater London, England, United Kingdom
opportunities within complex datasets. Present clear, actionable insights to technical and nontechnical stakeholders, explaining the implications of the findings. Support benchmarking, A / B testing and experimentation. Contribute to improvements in data governance, quality assurance and reporting standards. Identify opportunities for reporting automation … similar digital products. Experience within subscription products or SaaS environments. Experience with Looker, Tableau or similar visualisation tools. Experience with A / B testing or experimentation platforms. Experience within global or multicultural organisations. Understanding of Agile product development. Experience contributing to data governance ...

NSL- ML Engineer

Location
Greater London, England, United Kingdom
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 ...

CRM Marketing Automation Specialist Braze

Hiring Organisation
Blue Pelican Consulting Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£50,000
before campaigns go live Manage campaign schedules, priorities and deadlines across a busy delivery calendar Support campaign optimisation through A / B testing and continuous improvement Identify and resolve campaign build or delivery issues Martech Stack Youll work with a … apply an overlay of lifecycle marketing to these - You have experience of working with dynamic content and personalisation - Good knowledge of A / B testing and email journey enhancement / optimisation. With the ability to utilise the data from these to improve ...

Growth Engineer

Location
Greater London, England, United Kingdom
Partner with product, marketing, and data to surface growth levers and ship improvements that compound over time Develop the experimentation infrastructure (A / B testing, attribution tracking, analytics tooling), so teams can move fast and learn faster Translate user behaviour and funnel data … ship without a detailed spec Comfort working across the growth stack - TypeScript, React, Node.js, product analytics tools and A / B testing infrastructure As a person, you... Are first and foremost a builder Are excited to work ...

Digital Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 per annum
data-driven decision making Partner with stakeholders across Marketing, Product, and Digital teams to identify growth opportunities Support experimentation programmes, including A / B testing and performance measurement Validate tracking implementations and ensure the accuracy of digital analytics data Conduct QA testing … digital marketing performance measurement and customer journey analysis Experience working with relational databases and data analysis tools Knowledge of experiment design, A / B testing, and performance optimisation Excellent stakeholder management and communication skills Analytical mindset with the ability to translate data into ...

Senior Data Scientist, Decision Science

Location
Greater London, England, United Kingdom
live, working with our platform team, who run model deployment on SageMaker. Prove impact. Measure each model against commercial KPIs, with A / B tests where we can randomise. Decision science Frame decisions. Turn a business rule into actions, context and reward, agreeing … similar applied ML role, with models you've taken to production and kept working. Statistics and experimentation: hypothesis testing, A / B testing, power and sample sizing. Classical ML: classification and ranking with scikit-learn and XGBoost or LightGBM, evaluated rigorously ...

Senior Machine Learning Scientist

Location
Greater London, England, United Kingdom
offs for complex ML systems Model Development & Production Design and implement production‐grade ML models (e.g., gradient‐boosted trees, deep learning, optimization algorithms, bandits / RL policies) that operate reliably under real‐world constraints in collaboration with engineering. Build robust training, evaluation, and serving pipelines with embedded observability, drift … detection, and failure handling across the ML lifecycle Enhance experimentation and measurement strategies, including A / B tests, causal inference methods, and long‐horizon metrics to ensure models deliver durable impact as data and user behavior evolve Cross‐Functional Collaboration & Influence Partner with engineering teams ...

Machine Learning Engineer

Hiring Organisation
NSD
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £710 per day
West London location - 2 days on site p / week Active SC required Up to £700 / d inside ir35 3-year engagement Experience required in Model Development, Data Pipelines, Production Deployment Role Opportunity This is a long-term engagement with a leading Consultancy … personalisation and recommendations Build scalable data pipelines and feature engineering workflows Deploy, monitor and optimise ML models in production Lead A / B testing and experimentation to improve model performance Collaborate with cross-functional teams to deliver ML solutions Evaluate and apply emerging ...

Machine Learning Engineer

Location
United Kingdom
West London location - 2 days on site p / week Active SC required Up to £700 / d inside ir35 3-year engagement Experience required in Model Development, Data Pipelines, Production Deployment Role Opportunity This is a long-term engagement with a leading Consultancy … personalisation and recommendations Build scalable data pipelines and feature engineering workflows Deploy, monitor and optimise ML models in production Lead A / B testing and experimentation to improve model performance Collaborate with cross-functional teams to deliver ML solutions Evaluate and apply emerging ...

Head of Digital

Hiring Organisation
Lloyd Recruitment - East Grinstead
Location
Surrey, United Kingdom
Employment Type
Permanent
small digital team. Overseeing websites, mobile apps, CRM systems and digital analytics. Improving customer journeys and conversion rates through UX, A / B testing and ongoing optimisation. Using analytics and customer insights to inform decisions and measure ROI. Overseeing SEO, PPC, CRO, content … SEMRush and performance reporting tools. Familiarity with Optimizely, EPiServer or comparable CMS platforms. A good understanding of UX, A / B testing and conversion optimisation. Experience using AI and personalisation to improve customer engagement and commercial outcomes. Excellent communication skills ...

Sr. Performance Marketing Mgr, Veeqo

Hiring Organisation
Amazon TA
Location
Llanelli, Dyfed, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
important the candidate can foster a creative team environment, inventing new approaches to ad creative and targeting, building robust A / B testing structures, diving deep into campaign performance data, and doubling down on what's performing. Key job responsibilities … Lead marketing automation and audience strategy implementation to drive program efficiency and improve lead quality. - Establish rigorous testing frameworks (A / B, incrementality, geo-lift) and optimization processes. Develop metrics and measurement to determine campaign effectiveness and true incremental impact. - Lead budget planning ...