326 to 350 of 390 Permanent A/B Testing Jobs

Senior Customer Analyst

Location
Wallingford, England, United Kingdom
usage data, so no insight rests on one warehouse or one dashboard. Validate or kill ideas quickly. Pressure-test concepts with A / B tests, prototype tests and interviews, and tell the team whether a bet solves a real problem. Close … a voice. Co-develop UX content with the Lead and Commercial team. What you'll bring 2-4 years in research, qual / quant insight, or product / bet design Solid grounding in qualitative and quantitative methods, and the judgement to know which one a ...

Analytics Lead, Full Stack

Location
United Kingdom
understanding of the consumer lending and credit industry, including lending economics, portfolio performance, and credit metrics. Experience supporting international lending markets, particularly Europe and / or APAC, is highly desirable.- Demonstrated ability to balance growth objectives with profitability and develop data-driven growth strategies.- Bachelor's or Master … finance, or economics.- 5+ years of proven success in a cross-functional analytical role.- Practical and theoretical knowledge of A / B testing.- Experience with SQL and performing statistical analysis using Python.- Experience simultaneously balancing multiple workstreams and prioritizing an analytics roadmap.- Demonstrated ...

Staff Data Scientist

Location
Greater London, England, United Kingdom
progress. At Preply, we’re all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor, craft a personalised learning journey, and stay motivated to keep growing. Our approach is human-led, tech-enabled - and it’s creating real impact. We power … every day. Meet the team! At Preply, data is at the heart of every decision we make. We run hundreds of A / B tests to continually optimize our product, each with its own analytical and tracking challenges. The complexity of our subscription model, along ...

Data Scientist - Payment Success Software engineering London

Location
Greater London, England, United Kingdom
merchants by crafting optimal payments strategy. Conduct deep-dive exploratory data analysis to uncover insights and anomalies Conduct experiments and A / B tests to improve performance, including ML based solutions. Develop cutting-edge automation tools aimed at monitoring and optimising merchants’ performance. Implement robust … Fintech or Consultancy, using analysis to make business recommendations A huge advantage if you have previous experience working as Payment Analyst / Expert Data driven approach, by clearly defining success metrics and measuring progress against them SQL / Python knowledge to extract & analyse large data from ...

ASO Specialist

Location
Greater London, England, United Kingdom
NYSE-listed digital gaming company behind some of the world’s leading Sports and iGaming brands, including Betway and Jackpot City. We’re a powerhouse built on decades of expertise and we’re changing the game for good. Our mission is to give our customers a … improve conversion rates. Optimize metadata including titles, descriptions, keywords, and visual assets, to boost visibility, rankings, and user acquisition. Run A / B tests on store assets and analyze results to inform ongoing optimization. Drive mobile innovation by staying up to date with the latest ...

Software Engineer III - Full Stack

Location
Leeds, England, United Kingdom
platform, partnering closely with product and design to deliver engaging, performant, and accessible features Design and implement experimentation capabilities (feature flags, A / B tests) to validate ideas quickly and safely Integrate with backend APIs and collaborate with platform teams to build reliable, observable systems … smart contracts Strong understanding of performance optimization, responsive design, accessibility, and web standards Experience integrating with backend APIs and collaborating with cross-functional platform / infra teams Experience with CI / CD pipelines, testing strategies, and safe deployment practices for web applications Team-first mentality, with ...

Senior Product Manager

Location
Greater London, England, United Kingdom
with smart, high-performing solutions Your Story 5+ years of demonstrated product management experience, ideally within fast-growing tech, fintech, or SaaS businesses BA / BS in a technical or analytical field You see the endgame but are focused on refining every detail A true … Expert at distilling complex challenges into simple, elegant products that delight users Data-driven mindset: you formulate hypotheses, design and run A / B tests, and make decisions grounded in evidence Clear, empathetic communicator who can engage and align both technical and business stakeholders Customer ...

Audience Orchestration Designer

Location
Welwyn Garden City, England, United Kingdom
stakeholder briefs. Design, implement, and optimise journey logic—including branching rules, timing, triggers, and suppressions. Run test‐and‐learn initiatives (A / B tests, send‐time optimisation, subject line testing) to drive continual improvement. Troubleshoot data or journey issues, ensuring real‐time behavioural … pilot innovative use cases (e.g., AI‐driven journeys, real‐time personalisation), and maintain documentation and audience catalogues. Hands‐on experience with Adobe Experience Platform / CDP or equivalent journey orchestration tools (1–2 years). Strong analytical mindset with the ability to interpret data, design segmentation logic (SQL desirable ...

Software Engineer III - Backend, Fanatics Markets

Location
Leeds, England, United Kingdom
partnering with product and other engineering teams to deliver robust, observable, and maintainable systems Design and implement experimentation capabilities (feature flags, A / B tests) to validate ideas quickly and safely Model and manage data for markets, orders, and transactions with a focus … blockchain data (e.g., event logs, indexing, reconciliation between on-chain and off-chain state) Experience with PostgreSQL - complex query optimization, indexing strategies, and schema / migration management Experience with event driven architecture like Kafka or PubSub Strong grasp of software design principles (e.g., SOLID, DRY) and testing ...

Data Scientist - Principal

Location
Greater London, England, United Kingdom
monetization, and operational outcomes.* Lead the modeling framework for complex systems, guaranteeing comprehensive evaluation and monitoring of causal inference, uplift modeling, sequential decisioning, bandits / reinforcement learning, and forecasting.* Partner with game teams to define success metrics, guardrails, and decision frameworks, translating analytical results into actionable product and operational … actions.* Define and uphold engineering standards and guidelines for model development, including validation, uncertainty, reproducibility, and bias / quality checks.* Drive scalable experimentation with A / B and Multi-armed bandit testing frameworks, power analysis, variance reduction, and online-offline alignment.* Work ...

AI & ML Engineer (Contract)

Location
Manchester, England, United Kingdom
architectures such as ReAct. GCP knowledge. Experience of docker and cloud databases. RAG. More: Skilled in packaging and serving models using containers and KServe / Vertex endpoints, as well as working with feature and model registries, CI / CD, model monitoring, and drift detection. Experienced with cost-efficient … autoscaling, GPU scheduling, canary and shadow deployments, and A / B testing. Mandatory Skills: Cloud Engineering GCP.Reinvent your world. We are building a modern Wipro. We are an end-to-end digital transformation partner with the boldest ambitions. To realize them, we need ...

Group Technical Program Manager: Cloud & Platform Ecosystems

Location
Manchester, England, United Kingdom
decisions. Technology is at our core. And innovation is everywhere. But our company is more than datasets, lines of code or A / B tests. We're the thrill of the first night in a new place. The excitement of the next morning. … customers of Booking.com. Group Technical Program Managers have demonstrated experience leading teams that lead large cross-organizational software development projects, and have a deep technical background, ideally within enterprise software companies, platform and shared technology experience, and working with regulatory and compliance best practices. They must be able ...

Senior Data Analyst

Location
Greater London, England, United Kingdom
Company Overview Team Creation Limited is a fast-growing software development company operating across Asia and Europe. We provide services including market research, artificial intelligence solutions, cloud computing, and mobile application development for a broad range of international clients. Our focus is on delivering innovative … growth and development of our professional workforce. Key Responsibilities Product analytics — Define metrics for new and existing features. Design and analyse A / B tests end-to-end: hypothesis, sample sizing, statistical readout, and decision recommendation. Diagnose user behaviour, identify drop-off points, and surface ...

Senior Software Engineer (iOS)

Location
Greater London, England, United Kingdom
ship innovative UX patterns for conversational interfaces and AI-driven experiences on iOS Architect and build Swift-first, production grade features using async / await, structured concurrency and modern iOS APIs Lead implementation of context-aware experiences using behavior, preferences, and app state with an emphasis on performance … privacy Use metrics, experimentation, and validation (analytics, A / B tests, logging) to iterate on features and improve quality over time Turn complex AI / ML capabilities into simple, intuitive mobile interactions Use AI tools (e.g., Claude Code / LLM‐based coding assistants ...

Founding Sales Development Representative

Location
Greater London, England, United Kingdom
hiring a Founding SDR to help build the outbound sales function for Vantage, Profile’s new SaaS platform for professional services firms. Profile is a multi-award-winning PR and communications agency. We are launching Vantage, a new SaaS platform for professional services firms … contact relevant individuals at target professional services firms Run multi-channel outbound across email, LinkedIn, phone, and other relevant channels A / B test sales messaging, processes, and outbound channels Book qualified meetings with relevant decision makers Hand over qualified meetings to the senior team ...

Data Scientist - Audiobooks Analytics

Location
Greater London, England, United Kingdom
looking for a Data Scientist to join the Business Analytics team within Spotify’s Business Strategy and Insights organization. You will work with the Audiobooks Analytics Lead to help shape our global audiobooks strategy and improve the experience for listeners, creators, publishers, and authors. In this role … Personalization, Product, Finance, and Business teams to improve title selection, recommendation quality, and the listener experience. Design and analyze experiments, including A / B tests and quasi-experiments, to measure the impact of product and go-to-market initiatives. Monitor the health of the audiobooks ...

Senior Data Modelling Analyst - 12 Month Secondment

Location
Nottingham, England, United Kingdom
independence with teamwork Experience in any of these desirable: Customer lifetime value modelling, decay curves, churn modelling. Channel marketing attribution modelling A / B tests, Next best action and personalisation About Experian Experian is a global data and technology company, powering opportunities … advanced technologies to unlock the power of data. We have an amazing team of 25,200 people in 32 countries. Internal Grade D / EB8 Benefits include:- Great compensation package and discretionary bonus plan Core benefits include pension, bupa healthcare, sharesave scheme and more! 25 days annual leave with ...

Applied AI Engineer - Agentic Systems - Senior Associate

Location
Greater London, England, United Kingdom
interfaces, and deliver measurable business impact. Analyze data to inform agent capabilities, optimize retrieval, and drive data‐driven decision‐making; conduct A / B tests and performance evaluations. Mentor and guide team members on agent frameworks, LLM usage, safety, and best practices. Required Qualifications, Capabilities … LangChain, CrewAI, AutoGen, LangGraph. Knowledge of generative models including transformers, GANs, VAEs, and diffusion models. Understanding of data preprocessing, feature engineering, and model / agent evaluation techniques. Familiarity with cloud platforms and containerization technologies. Strong problem‐solving skills and ability to work independently and collaboratively. Effective communication skills ...

User Researcher: Data‐Driven UX for Public Beta

Location
Telford, England, United Kingdom
A consulting firm in Telford is seeking a User Researcher … a 6-month engagement. The ideal candidate will have proven experience in quantitative research and the ability to design A / B tests. Responsibilities include collaborating with Performance Analysts and translating data insights into actionable recommendations. Excellent communication skills are essential for presenting ...

AI Product Analyst

Hiring Organisation
The Portfolio Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£85000/annum
Office based opportunity I'm working with a business that's investing heavily in AI and building products used across multiple professional services sectors. What will you actually be doing? Getting under the skin of AI products, analysing user behaviour, output quality, performance trends and areas where things … Strong SQL and Python skills, with experience independently building analysis and dashboards. Product analytics, including KPIs, experimentation, user behaviour, segmentation or A / B testing. Exposure to AI, machine learning, generative AI or LLM-powered products. An understanding of how AI systems are evaluated, ideally ...

Senior Growth Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Senior Growth Analyst Shoreditch (4 days per week) | Up to £80,000 Join a high-growth consumer business where analytics is central to commercial decision-making. This is a highly visible role, offering the opportunity to influence growth strategy, drive experimentation, and work closely with senior … teams to uncover opportunities, influence strategy and improve business performance.Responsibilities include: Analysing customer acquisition, conversion and retention performance Designing and evaluating A / B tests and experiments Conducting funnel, cohort and customer behaviour analysis Building dashboards and monitoring key business metrics Identifying growth opportunities ...

Trint Go-To-Market (GTM) Engineer

Location
Greater London, England, United Kingdom
Trint Go-To-Market (GTM) Engineer We’re looking for a GTM Engineer with 2–3+ years of experience in growth, GTM, or RevOps roles within B2B SaaS to solve our most critical revenue challenge: generating a high volume of high-quality enterprise leads that convert … booked opportunity to closed-won through advanced targeting, data enrichment, and routing logic. Experiment & Measure: Build performance dashboards, run structured A / B tests on messaging and sequencing, analyse funnel data to identify bottlenecks, and iterate rapidly on what works. What We’re Looking ...

Applied AI Lead Engineer - Agentic Systems

Location
Greater London, England, United Kingdom
interfaces, and deliver measurable business impact. Analyze data to inform agent capabilities, optimize retrieval, and drive data-driven decision-making; conduct A / B tests and performance evaluations. Mentor and guide team members on agent frameworks, LLM usage, safety, and best practices. Required Qualifications, Capabilities … LangChain, CrewAI, AutoGen, LangGraph. Knowledge of generative models including transformers, GANs, VAEs, and diffusion models. Understanding of data preprocessing, feature engineering, and model / agent evaluation techniques. Familiarity with cloud platforms and containerization technologies. Strong problem‐solving skills and ability to work independently and collaboratively. Effective communication skills ...

Digital Performance Lead — Analytics & Growth

Location
Greater London, England, United Kingdom
OpenMinds is seeking a hands-on Digital Performance Specialist to analyse how audiences interact … with our channels and improve performance across campaigns. You will evaluate traffic, optimise paid accounts, and drive funnel improvements through rigorous A / B testing. With a product-minded, data-driven approach, you will report across channels using a single dashboard ...

Senior Martech Consultant (Braze)

Location
Greater London, England, United Kingdom
Senior Martech Consultant (Braze) Intelligent Marketing | Remote | Full-Time | EMEA Who We Are: Front Office Transformation Experts Bluprintx (BPX) is a global, AI-powered consultancy built to design and deliver the intelligent front office for CMO and CRO executives. We are private equity-backed and scaling fast, with … journey rebuilds, parallel running and cutover. Plan and run testing, from QA, seed lists and previews through to A / B tests, multivariate tests and control groups. Monitor deliverability, performance and data flows, and diagnose issues across the stack before they reach ...