26 to 50 of 64 A/B Testing Jobs in London

Senior Lead UX & Web Designer (AI-Enabled, Cross-Disciplinary)

Hiring Organisation
PaymentGenes
Location
City of London, London, United Kingdom
PaymentGenes is proud to be partnering with a high-growth, international technology organisation to appoint a Senior / Lead UX & Web Designer . This is a strategic design leadership role within a business investing heavily in AI-driven digital experiences. … Collaboration Work closely with Product, Engineering, Data, and Marketing Bridge design intent with front-end implementation realities Contribute to experimentation frameworks (A / B testing, optimisation) Translate research and analytics insights into design improvements 🧱 Design Systems & Scalability Lead the evolution of web design ...

Senior AI Engineer (Platform)

Hiring Organisation
Harnham
Location
New Malden, England, United Kingdom
Build and operate production‐grade AI agents on GCP using Google’s ADK Integrate AI systems with policy, claims and CRM platforms via REST / JSON APIs Develop scalable RAG pipelines including ingestion, text processing and vector search Implement evaluation, monitoring, A / Btesting and cost / latency dashboards Shape architectural patterns, engineering standards and wider AI strategy Work across key AI products including claims automation and internal retrieval tools Role Requirements Background in Data / ML Engineering or Software Engineering with strong applied AI experience Deep expertise ...

Senior MLE (LLMs) - InsureTech

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
pipelines (ingestion, chunking, vector search) • Integrate ML systems with policy, claims and CRM platforms via REST APIs • Implement evaluation frameworks, monitoring, A / B testing and cost / latency dashboards • Embed security, GDPR compliance, RBAC / IAM and auditability into … base • Working model: Hybrid – 1–2 days per week in South West London • Tech stack: Python, GCP (Vertex AI, BigQuery, Cloud Run / Functions), LLMs, embeddings, vector databases, Docker, Kubernetes, CI / CD • Visa sponsorship: Not available Interested? Please apply below. ...

Data Scientist - Inside IR35 - Hybrid

Hiring Organisation
Halian Technology Limited
Location
Croydon, Surrey, South East, United Kingdom
Employment Type
Contract
models Conditional (must meet at least 2 of the below) Time-series modelling 2+ years Geospatial data experience (H3, GeoPandas, PostGIS or similar) Optimisation / operations research exposure Logistics / mobility / marketplace domain experience Nice to Have Reinforcement learning Simulation modelling Experience deploying models into cloud … environments Experimentation frameworks (A / B testing, model validation at scale) How to Apply If youre an Applied ML Contractor looking a new exciting opportunity working focused on real operational decision systems, get in touch. Please apply if interested and well ...

CRM Specialist

Hiring Organisation
Chesamel Group
Location
London Area, United Kingdom
deploy email campaigns, automated workflows, and other marketing initiatives. Monitor campaign performance, analyse key metrics, and identify areas for improvement. Conduct A / B testing to optimise campaign effectiveness and maximise ROI. Stay up-to-date with industry best practices and emerging trends … marketing, business, or a related field. 2-3 years of experience in CRM campaign management, ideally within a direct retail / D2C tech environment Experience of working in a fast paced environment, ideally with an agency background. Proven track record of successfully planning ...

Senior CRM Data Analyst

Hiring Organisation
VML
Location
London Area, United Kingdom
Data Analyst Brand: VML Capability: Marketing Effectiveness & Intelligence Location: London, United Kingdom Requisition ID: 11971 Who We Are VML, 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 … Looker Studio Good knowledge of advanced data analysis techniques that include customer segmentation, predictive modelling, multivariate analysis, querying and reporting tools, A / B testing and statistical significance We believe the best work happens when we're together, fostering creativity, collaboration, and connection. ...

Principal Data Scientist

Hiring Organisation
Develop
Location
London, United Kingdom
Employment Type
Permanent
Location: London (Hybrid: 3 days in office) Salary: £100,000 - £125,000 + 10% discretionary bonus + equity scheme We're partnering with a highly respected, data driven organisation in the alternative assets space undergoing a major AI led transformation, including the launch of new generative … deploy machine learning models (prediction, classification) Own delivery of data science solutions from problem definition to production Lead experimentation and A / B testing to drive continuous improvement Collaborate cross functionally with product, engineering, and commercial teams Mentor and elevate a ...

Lead Data Scientist

Hiring Organisation
develop
Location
City of London, London, United Kingdom
Location: London (Hybrid: 3 days in office) Salary: £100,000 – £125,000 + 10% discretionary bonus + equity scheme We’re partnering with a highly respected, data driven organisation in the alternative assets space undergoing a major AI led transformation, including the launch of new generative … deploy machine learning models (prediction, classification) Own delivery of data science solutions from problem definition to production Lead experimentation and A / B testing to drive continuous improvement Collaborate cross functionally with product, engineering, and commercial teams Mentor and elevate a ...

AI Platform Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum
text processing, and vector search. * Integrate AI systems with internal platforms through REST and JSON APIs. * Implement evaluation frameworks, monitoring, and A / B testing across AI services. * Contribute to engineering design patterns, security practices, and technical documentation. Your Skills and Experience * Strong … embeddings, vector databases, and RAG design. * Proven ability to build stable, observable, and testable production AI systems. * Good understanding of DevOps practices, including CI / CD, containers, and Kubernetes. What They Offer * Salary up to 90000 plus benefits package. * Hybrid working with one to two days a ...

Senior Product Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £80,000 per annum
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 ...

Experimentation Specialists

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£44,000 - £45,000 per annum
Experimentation Specialist London - 4 days a week in Office Up to £45,000 This is an opportunity to play a key role in shaping excellence in Experimentation. The role is well suited to someone who enjoys combining strategic thinking with hands-on technical delivery, influencing … embed experimentation across channels Your Skills and Experience Strong commercial experience running experimentation programmes. Hands-on experience setting up and analysing A / B tests. Ability to build and communicate an experimentation roadmap. Strong understanding of testing methodology and digital performance metrics. Experience ...

AI Platform Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £90,000 per annum, Inc benefits
services. Develop scalable RAG pipelines including ingestion, text processing, metadata handling and vector search. Implement observability and evaluation frameworks covering monitoring, A / B testing, accuracy and safety metrics, and cost and latency dashboards. Contribute to architecture, engineering standards and AI product direction … vector databases and retrieval pipelines. Experience deploying production AI with robust evaluation, monitoring, observability and automated testing. Solid exposure to DevOps tooling including CI / CD, Docker and Kubernetes. How to Apply If this sounds like the right next step for you, please apply with your CV to begin ...

AI Platform Engineer (GCP)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
services. Develop scalable RAG pipelines including ingestion, text processing, metadata handling and vector search. Implement observability and evaluation frameworks covering monitoring, A / B testing, accuracy and safety metrics, and cost and latency dashboards. Contribute to architecture, engineering standards and AI product direction … vector databases and retrieval pipelines. Experience deploying production AI with robust evaluation, monitoring, observability and automated testing. Solid exposure to DevOps tooling including CI / CD, Docker and Kubernetes. How to Apply If this sounds like the right next step for you, please apply with your CV to begin ...

Product Manager

Hiring Organisation
Reed.co.uk
Location
London Area, United Kingdom
Reed.co.uk is looking for a Product Manager to join their team in Holborn, London. Overview At Reed.co.uk, we believe the world should Love Mondays, and as one of the UK’s leading recruitment marketplaces, we power millions of job searches every month through our flagship website and award … track record of simplifying journeys and improving user experience through research and testing Data-led mindset, experienced in analytics, A / B testing, and delivering measurable improvements against OKRs Commercially aware, able to link product decisions to broader business strategy Confident ...

Digital Site Merchandiser

Hiring Organisation
Vivienne Westwood
Location
Greater London, England, United Kingdom
people and the environment. If you’re interested in being part of an organisation that produces quality products, promotes awareness for a better world, and provides an excellent benefits package to support its employees, keep reading.... Vivienne Westwood is looking for a Digital Site Merchandiser … Data Analysis & Insights Produce ad-hoc and monthly reports to extract actionable insights. Conduct web analytics reviews, optimizing conversion through navigation, A / B testing, and promotions. Customer Experience Monitor the customer journey and identify improvements to boost conversions. Collaborate with production teams ...

Customer Analyst (Contract)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
Customer Analyst London Hybrid - 2 days a week £450 Per Day (Outside IR35) 3 Month Contract This is an opportunity to join a high-impact customer analytics function during a pivotal period of growth and transformation. You will play a key role … productionising analytical workflows. * Exposure to dashboarding tools such as Looker or Tableau. * Useful experience with Python or cloud technologies. * Familiarity with A / B testing or hypothesis-led experimentation. * Background in telecoms, e-commerce or large-scale loyalty environments is especially valuable. * Strong ...

Product Manager

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
prioritised roadmap that drives measurable impact Turn user insight, data and experimentation into better experiences Run research, analyse performance, and lead A / B testing Own and refine a discovery and delivery backlog Set and track OKRs to improve key metrics … drive results Commercial awareness and sharp prioritisation skills (RICE, MoSCoW, etc.) Excellent stakeholder management and communication skills Experience working in agile teams (JIRA / Confluence; familiarity with Figma and roadmapping tools beneficial) Benefits Hybrid working (minimum of 3 days in the office). 25 days annual leave plus bank ...

Senior Data Scientist - Healthcare Supply Chain

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
strategy? Have you delivered machine learning solutions that moved real business metrics? Are you ready to be the first dedicated Data Scientist in a growing analytics function? A London-based strategic sourcing and supply chain business, backed by two global Fortune 10 corporations, is building … pricing, risk and demand forecasting • Lead time series and regression modelling to anticipate market shifts • Design and implement experimentation frameworks (A / B testing, causal inference) • Productionise models within cloud environments alongside engineering teams • Translate complex analysis into clear commercial recommendations • Help shape ...

Product Analyst (Contract)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 per day
Product Analyst London Senior Product Analyst £450 Per Day (Inside IR35) 6 Month Contract ASAP start This is an opportunity to join a high-impact product team during a period of accelerated experimentation and decision making. You will play a key role in shaping … frameworks. Your Skills and Experience Strong SQL capability with experience handling complex joins, aggregations and data validation. Solid understanding of experimentation, A / B testing and statistical principles. Experience working in fast-moving product environments. Ability to work with messy or incomplete data. ...

Senior Social Commerce Strategist

Hiring Organisation
VML Enterprise Solutions
Location
London, United Kingdom
Employment Type
Any
Salary
GBP Annual
across GMV, CVR, AOV, and contribution to total revenue. Platform & TikTok Shop Expertise: Lead strategic thinking across TikTok Shop (and similar platforms), including seller / vendor models, affiliate strategy, live shopping, creator partnerships, and promotional mechanics. Channel Audits & Opportunity Identification : Audit client social and commerce ecosystems to identify growth … creator-led content, live selling, product-led storytelling). Paid, Organic & Affiliate Integration : Develop integrated approaches across paid social, organic content, and affiliate / creator ecosystems to maximise performance and scale efficiently. Performance Analysis & Optimisation: Track and analyse performance across social commerce channels, identifying actionable insights to improve conversion ...

Senior Game Analyst

Hiring Organisation
Lab8 Recruitment
Location
London Area, United Kingdom
Lab8 has partnered with a mobile studio in London, who are on the look for a Senior Game Analyst . Someone who is a strong team player and clear communicator who can translate complex data and ideas into language that makes sense for different … automate workflows Own and refine game performance forecasts, ensuring accuracy and actionable insights Drive measurable improvements through impactful analysis Experienced in A / B testing and experimentation Strong technical skills in SQL, Python, and Excel Mobile games experience Bonus points: Build and deploy ...

Advertising Operations and Audience Strategy Manager

Hiring Organisation
Rakuten Viber
Location
City of London, London, United Kingdom
This hybrid role is split between Ad Operations and Audience Strategy. You will be responsible for the technical health of our advertising stack (GAM / SSPs) while simultaneously acting as the primary consultant for our sales team on audience data. The ideal candidate understands how to pull the technical … maximize RPM and reduce wasted inventory. Troubleshooting: Act as the lead for technical discrepancies, creative QA, and debugging delivery issues. Reporting: Generate daily / weekly performance reports for internal stakeholders, focusing on fill rates and technical health. Operational leg of programmatic curation, PD and PG campaigns. Follow ...

Marketing Data Analyst

Hiring Organisation
Sphere Digital Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
exciting company in London is looking for a Marketing Data Analyst to join their growing Marketing & Growth team. Based in: London (remote-first with cross-functional collaboration) Hybrid: Up to 2-3 days a week in the office (flexible) Contract: 3-month temp-to-perm Start … ROAS, and funnel conversion performance. Conducting audience segmentation, cohort analysis, and predictive modelling to support acquisition and retention strategies. Owning A / B testing and experimentation frameworks alongside product and growth teams. Building dashboards and reporting tools (Looker, Power BI, Tableau) to improve ...

Principal AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £95,000 per annum
agents on GCP Design robust RAG pipelines covering ingestion, text processing, vector search and secure data handling. Implement evaluation frameworks, monitoring, A / B testing and performance dashboards for latency, cost and accuracy. Partner with product and operations teams to deploy AI capabilities … vector databases. A track record of building production-grade AI systems, including observability, evaluation and automated testing. DevOps capability across CI / CD, Docker and Kubernetes or equivalent tooling. THE BENEFITS: You will receive a salary, dependent on experience. Salary ...

Senior Product Manager

Hiring Organisation
Freshtechit
Location
London Area, United Kingdom
exclusively hiring for a Senior Product Manager to join a world leading automotive company in the UK. As the Product Manager you will lead initiatives focused on product growth, marketplace engagement, and user experience improvements. You’ll collaborate closely with Engineering, Design, Marketing, and Data teams … across auctions and classified listings. Enhance content discovery and community engagement, including editorial and trending content features. Use data, analytics, and A / B testing to guide product decisions. Work cross-functionally to define KPIs and deliver measurable business impact. As the Senior ...