1 to 25 of 58 Permanent A/B Testing Jobs in London

Head of Ad Operations

Hiring Organisation
Pulse Recruit
Location
London Area, United Kingdom
Performance Ops - high-growth Series A SaaS brand🚀 📅 5+ years in social ad operations, campaign management, or performance marketing 📈 A / B testing & systematic experimentation at scale is a MUST 🖥️ Experience with analytics tools (Google Analytics, Looker, Tableau … 🔧 Experience building operational processes from scratch 🫂 Strong understanding of community-driven marketing ⏱️ Immediate start 📍 London, Hybrid - 2 days 🗓️ 6 Month Contract 💵 £450-£500 / day Outside IR35 💡First hire to establish the Programme Operations function 🚀 Brand advocacy space with 60+ enterprise brands ⭐ Bonus points for influencer marketing ...

Customer Data Analyst

Hiring Organisation
The Independent
Location
London Area, United Kingdom
churn, engagement) Help track performance and support scenario analysis for acquisition and retention initiatives Support the design, analysis, and reporting of A / B tests across the customer lifecycle Help define success metrics and interpret test results to inform future activity Support the creation, maintenance … related quantitative field, with a deep understanding of statistical significance, hypothesis testing, and experimental design (A / B testing). Core Technical Skills: Good working knowledge of SQL for data extraction and analysis (experience with Google BigQuery is a ...

Product Designer

Hiring Organisation
Digital Gurus
Location
City of London, London, United Kingdom
must have for this role Onboarding & activation: designing and continuously optimising flows to increase download to trial conversion Heavy A / B testing (copy, colour, UI, structure, sequencing) Designing funnels by acquisition source (e.g. TikTok, Meta) Paywalls & monetisation experiments to improve conversion rates … translates to short-form social video Constantly analysing data using tools like Mixpanel or Amplitude What you’ll need 2+ years’ experience in Product / UX / UI Design Strong experience with funnels, conversion and experimentation Consumer product experience (mobile apps helpful, but not essential) Comfortable running ...

Data Scientist

Hiring Organisation
Expedia Group
Location
London Area, United Kingdom
seeking someone who: Has led the design, validation, and scaling of statistical methodologies for controlled experiments (not just “run A / B tests”) Excels at building or adapting frameworks for hypothesis testing, simulation, and error control in noisy, messy, production environments Can clearly … pragmatic creativity to complex, ambiguous challenges What you will do Own the experimental methodology: Design, implement, and validate statistical frameworks for A / B and controlled experiments, including novel approaches for challenging business problems and partial compliance data Develop and evaluate simulation frameworks: Use Monte ...

Senior Web Developer

Hiring Organisation
EC Markets UK
Location
London Area, United Kingdom
heat mapping) to measure campaign performance Manage website forms, landing pages, and conversion optimisation for app installs and sign-ups Support A / B testing of landing pages, CTAs, and product messaging Develop SEO strategy for product-specific content to drive organic traffic … understanding of website performance optimisation and page speed best practices Required Skills Experience supporting marketing campaigns or product launches Familiarity with A / B testing and conversion optimisation Experience integrating third-party tools such as CRMs or marketing platforms Knowledge of accessibility standards ...

Ecommerce Executive - 12 month Secondment

Hiring Organisation
Experian Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
report important conversion and engagement KPIs, heatmapping insights, and session replay findings. Optimisation Testing: Lead the delivery of the A / B testing roadmap across core paid media journeys.Attend Agile ceremonies (block planning, stand-ups), define test briefs, manage development tickets … eCommerce or website management role. Experience with customer journey optimisation and conversion rate improvement. Proficiency with analytics tools (e.g., GA4) and heatmapping / session replay tools. Knowledge of A / B testing methodologies and experience managing test roadmaps. Good understanding of different ...

Data Scientist – Experimentation Framework

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
squad-based delivery model. Key Responsibilities Design and execute experimentation frameworks focused on logistics and operational use cases Lead A / B testing and controlled experiments to evaluate promotional and operational changes Ensure analytical robustness through sense-checking data, assumptions, and outputs Work … Well-prepared, pragmatic, and delivery-oriented Comfortable operating within tight timelines and changing priorities Desired Skills and Experience Skills Experimentation Design & A / B Testing Advanced SQL (joins, validation, optimisation) Python for Data Analysis Google BigQuery Statistical Analysis & Inference Data Quality & Sense Checking ...

Senior AI Engineer

Hiring Organisation
Chambers and Partners
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
internal INSPIRE committee with Executive Sponsors, Chairs and Ambassadors throughout the business promoting knowledge and effecting change. Applicants who identify as Disabled and / or Neurodiverse will be entitled to an interview if they meet the minimum criteria as specified in the Job Description, additionally we will offer reasonable … them. Some examples of reasonable adjustments are extra time in assessments, video interviews to combat travel-based issues and advice on expected interview topics / questions. Main Duties and Responsibilities Data & Retrieval Build robust ingestion pipelines for PDFs / Word / Excel / Audio / ...

Senior Full-Stack AI Engineer — Frontend & LLM-Enabled UX (Level 3)

Hiring Organisation
Allegis Global Solutions
Location
London, England, United Kingdom
immersive, interactive web experiences that leverage large language models (LLMs) as core product capabilities. In this role you will collaborate closely with product, UX / design, ML research and platform teams to translate user needs into elegant, reliable AI-powered experiences, and drive agile delivery from prototype to production. … with modern frameworks like React that integrate LLM-driven features (conversational interfaces, tool-assisted workflows, structured editors, visualizations) to boost marketing productivity. Enable measurement / analytics to track usage of the app and of LLM features Own the end-to-end product experience for LLM-enabled features: collaborate with ...

Product Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
capture strategies. Engagement & Experimentation Optimise content recirculation, including navigation, "what to read next", internal linking, and dwell time. Design and analyse A / B tests to assess changes to layouts, journeys, and engagement mechanics. Translate experimental results into clear recommendations for product and editorial teams. … experience with web or digital analytics; familiarity with Google Analytics is a strong advantage. Comfortable analysing experimentation and A / B testing results. Ability to communicate clearly, push back where needed, and manage expectations with stakeholders. Experience working in fast-paced ...

Product Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
Product Analyst - £55,000 (Hybrid - London) Industry: Consumer Marketplace / Mobile App Department: Product & Insights We're looking for a Product Analyst to join a fast-growing consumer marketplace used by millions globally. You'll work closely with product managers, designers, and engineers to uncover … Analyse user behaviour and product performance across key journeys Build dashboards and self-serve insights for cross-functional teams Support A / B testing: design experiments, interpret results, recommend next steps Work with data and platform teams to ensure clean, scalable datasets Present ...

Senior Customer Insight analyst

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
into commercial impact. Responsibilities include Owning customer analytics projects such as segmentation, churn modelling, LTV, and lifecycle optimisation Designing and analysing A / B and multivariate tests to shape acquisition and retention strategies Using SQL and dashboarding tools such as Tableau or Looker to communicate … data-led B2C environments Ability to translate analytical outputs into strategic recommendations and tell clear data stories Experience designing or analysing A / B testing and customer lifecycle analytics Python skills for statistical modelling or automation are an advantage This role offers a ...

Shopify Developer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
West London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum, Inc benefits
hands-on role for someone who understands the real-world complexities of global commerce and cares about craft: clean, maintainable code; thoughtful UI / UX delivery; and performance that holds up as traffic, catalogue, and complexity grow.You will collaborate closely with E-commerce, Marketing, Creative, and Operations, translating designs … communicate risks early, and deliver against agreed milestones. Manage code through version control and deployment pipelines (branching, pull requests, code reviews, testing / QA, and release management). Key Requirements Professional experience building and maintaining Shopify storefronts with a strong front-end portfolio. Excellent understanding ...

Staff AI Engineer - GenAI (Dubai based)

Hiring Organisation
oryxsearch.io
Location
City of London, London, United Kingdom
AI. Conduct exploratory analysis to understand user behavior, discover optimization opportunities, and develop behavior models to inform product enhancements. Design and deploy data / ML instrumentation to extract insights and optimize the product experience. Provide strategic product guidance through data-driven recommendations, experimentation insights, and root cause analyses. Build … production using big data technologies. Develop and deploy retrieval-augmented generation (RAG) systems and LLM-based applications. Design and evaluate A / B tests and communicate results across cross-functional teams. Define, implement, and monitor key performance metrics for AI-driven product features. Stay ...

Product Designer

Hiring Organisation
rmg digital
Location
City of London, London, United Kingdom
A fast-growing, international digital business is looking for a Product Designer to work across it's core product experience across five European markets! This is a high-impact role for someone who thrives on complexity, enjoys navigating multiple viewpoints, and knows … product works, while learning to manage edge cases and design decisions in complex environments Champion data, research, and experimentation, driving A / B testing and user research to validate decisions and optimise conversion Bridge Design and Technology, working closely with engineers to align ...

Product Data Scientist

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
understand trade-offs, challenge assumptions, and make evidence-based decisions. Experimentation & Measurement Design hypotheses and support experimentation frameworks. Monitor and analyse A / B tests, providing clear recommendations on rollouts or iterations. Conduct post-experiment analysis to evaluate impact and learning. Enable Data-Driven Decision … large, complex datasets. Basic working knowledge of Python. Familiarity with ETL workflows and debugging data issues. Proven experience designing and interpreting A / B tests. Hands-on experience with data visualisation tools (e.g. Looker, Tableau, or similar). Excellent communication skills, with the ability ...

Senior Product Data Scientist

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 - £85,000 per annum
understand trade-offs, challenge assumptions, and make evidence-based decisions. Experimentation & Measurement Design hypotheses and support experimentation frameworks. Monitor and analyse A / B tests, providing clear recommendations on rollouts or iterations. Conduct post-experiment analysis to evaluate impact and learning. Enable Data-Driven Decision … large, complex datasets. Basic working knowledge of Python. Familiarity with ETL workflows and debugging data issues. Proven experience designing and interpreting A / B tests. Hands-on experience with data visualisation tools (e.g. Looker, Tableau, or similar). Excellent communication skills, with the ability ...

Senior LiveOps Game Designer

Hiring Organisation
Hypersonic Laboratories
Location
Greater London, England, United Kingdom
Location: Prioritising Hybrid (Guildford / Greater London) but will also evaluate Remote applicants (UK / EU preferred) 🧠 Experience: 5+ years in live service game design 🚀 Focus: LiveOps, economies, retention, social systems About the Role We’re looking for a Senior / Lead LiveOps Game Designer … role, focused on retention, engagement, social growth, and revenue across the full player lifecycle. Key Responsibilities Own and improve core LiveOps KPIs, including D1 / D7 / D30 retention and beyond , session frequency, session length, ARPU / ARPDAU, conversion funnels, churn drivers, and K-factor — with strong ...

Junior Data Scientist

Hiring Organisation
Information Tech Consultants
Location
Greater London, England, United Kingdom
Write production-quality, highly efficient, and scalable code primarily in Python for data processing, analysis, and model creation. Experimentation & Optimization: Conduct A / B testing, hypothesis testing, and rigorous model validation, continually iterating and tuning algorithms to maximize performance, accuracy … define project scope, interpret model results, and clearly present data-driven recommendations to both technical and non-technical audiences. Deployment & MLOps: Collaborate with ML / Data Engineers to deploy, monitor, and maintain ML models in a production environment, ensuring stability and performance over time. Required Skills ...

Data Analyst

Hiring Organisation
Arrows
Location
London Area, United Kingdom
Product Analyst – Role Summary New Role: Product Data Analyst (SQL / Experimentation) £400–£500 / day Inside IR35 6-Month Contract Hybrid - One day in office per week - Central London Requirements: - SQL and product analytics expert - Python for statistical modelling & data cleaning - A / Btesting & experimentation design experience - Looker or Tableau - Understanding of ETL / data flows (GCP / AWS / Azure) - Start ASAP – short interview process. We are seeking a highly analytical and technically strong Product Analyst to support the development and optimisation of a ...

Senior Product Analyst

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
improvements in product outcomes. Collaborate with product, engineering, design, and data teams to support evidence-based decision-making. Design and interpret A / B tests and other experiments, ensuring robust methodologies and clear recommendations. Track experiment performance and advise on rollouts, iterations or next steps. … experience working with large, complex datasets. Working knowledge of Python for analytics and experimentation workflows. Hands-on experience designing and interpreting A / B tests. Understanding of ETL processes and the ability to troubleshoot data pipeline issues. Proficiency with data visualisation tools such as Looker ...

User Experience Manager

Hiring Organisation
Spotlight Recruitment
Location
London Area, United Kingdom
Manager – App Portfolio, healthtech (Hybrid, London) | Up to £70k (plus Discretionary Bonus) Our client is a fast growing app led health and wellness business with millions of users worldwide. They are looking for an experienced UX Manager to work across their mobile app portfolio, shaping intuitive and engaging … journeys that genuinely improve users’ lives. This is a senior role that blends strategy with hands on delivery in a highly collaborative, product led environment. You will take ownership of the UX vision, standards and performance across the apps, working closely with product, design, development, data ...

Lead Product Designer

Hiring Organisation
rmg digital
Location
City of London, London, United Kingdom
A fast-growing, international digital business is looking for a Product Design Lead to take ownership of its core product experience across five European markets. This is a high-impact leadership role for someone who thrives on complexity, enjoys navigating multiple viewpoints, and knows … guardian of how the product works and ensuring edge cases are resolved before development Champion data, research, and experimentation , driving A / B testing and user research to validate decisions and optimise conversion Bridge Design and Technology , working closely with engineers to align ...

Product Manager

Hiring Organisation
Switch Tech Talent
Location
City of London, London, United Kingdom
Contract Checkout Product Manager London / Hybrid 6-month contract (likely extension) £500 p / d - Outside IR35 We’re working with a large, consumer-facing digital platform operating at significant scale (20M+ users), looking for a Checkout Product Manager to help evolve … doing Owning and delivering improvements to checkout and payment flows Driving experimentation and conversion optimisation using data and A / B testing Working across Engineering, Data, Risk, Finance, and Commercial teams Supporting rollout into new European markets (local payments, rules, complexity) Managing a ...

Junior Data Scientist

Hiring Organisation
Intellect Group
Location
London Area, United Kingdom
your work drive outcomes. Expect high standards, strong mentorship, and the space to move quickly. What you’ll work on Build and improve ML / AI models that solve measurable business problems Take ownership of end-to-end workflows: data ingestion → feature engineering → modelling → evaluation → deployment Run experiments, quantify … impact, and iterate fast (including A / B testing where appropriate) Partner with engineering and product to design scalable, reliable solutions Communicate clearly: turning complex modelling into decisions stakeholders can act on Contribute to internal R&D: new approaches, paper-to-production exploration ...