1 to 25 of 285 A/B Testing Jobs

at Chambers, developing scalable solutions that push our technology forward and transform how we deliver value to our users. Main Duties and Responsibilities Build robust ingestion pipelines for PDFs / Word / Excel / Audio / JSON and semi structured sources. Design RAG systems: chunking strategies, document schemas, metadata, hybrid / dense retrieval, re ranking … and grounding. Manage vector / keyword indexes (e.g., Azure AI Search, pgvector, Pinecone / Weaviate). Develop and deploy advanced NLP, information retrieval, and recommendation systems that enhance Chambers and Partners' research and product offerings, including document understanding, automatic summarisation, topic modelling, semantic search, entity recognition, and relationship extraction. Design and implement intelligent tagging and metadata enrichment frameworks … market data, improving search, discoverability, and insight accuracy. LLM & Machine Learning Application Engineering Design, build and maintain traditional ML and LLM models and pipelines. Build LLM apps using LangGraph / LangChain: tools / function calling, structured outputs (JSON Schema), agents, and multi step reasoning. Implement ASR / TTS and multimodal where relevant (e.g., Whisper). Choose customization More ❯

a broad spectrum of state-of-the-art machine learning and deep learning technologies in the areas of recommendation systems. Create metrics and design A / B test plans to evaluate model performance offline and online to inform and convey our impacts to diverse groups of stakeholders. Collaborate with cross-functional teams of … according to standard methodologies in Python. Note: This item has been converted to bold text for emphasis where appropriate in this refined version. You Bring: Masters degree in CS / Statistics / Data Science, with a specialization in machine learning. Experience with Python, and ideally also Scala or Java. Experience in developing ML models for structured … with Machine learning frameworks such as Tensorflow, PyTorch, Spark MLlib. Industry experience in designing and implementing large-scale machine learning-based recommender systems. Industry experience in A / B testing, experimentation design and test analysis. Strong coding, machine learning, and statistical knowledge. Preferred Qualifications: Experience with Databricks, Snowflake, Spark, Tecton, Kubernetes, Helm, Jenkins. More ❯

Optimization will own two key areas within Product, supporting our suite of released features and the successful optimisation of them through our in house experimentation and A / B testing capabilities. Reporting directly to our CPO, you'll be first line support to our business teams for our 150+ production features and will … and feature focused product managers to ensure alignment across maintenance and innovation efforts. Data Driven Optimization Enablement Lead adoption and enablement of our evolving experimentation and A / B testing platform, ensuring business teams have the knowledge, skills, and support to utilise it fully and effectively. Partner with business teams to design, launch … company. Deep expertise in desktop display advertising. Strong analytical skills with demonstrated success in data driven revenue optimisation of advertising products, including via an experimentation or A / B testing system. Expert knowledge of programmatic advertising concepts: header bidding, auction dynamics, bid flooring, traffic shaping. Experience with consent management technologies (GPP, TCF, CCPA More ❯

Experimentation / CRO Analyst Agency - Travel Client £325-£400 per day outside IR35 London We're working with a leading digital agency to support one of their flagship travel clients, and they're looking for a hands-on Experimentation Analyst to join the team. You'll be embedded within a busy product environment … helping multiple teams design, validate, and analyse A / B and multivariate tests. You will support on the experimentation programme, ensuring every test is statistically sound, well interpreted, and actionable. Role & Responsibilities Partnering with product teams to plan and analyse A / B and MVT tests across key digital journeys. … queries and supporting experimentation best practice across the business. Collaborating with teams using Optimizely, ContentSquare, and GA4 to extract meaningful insights. Skills & Experience Proven experience analysing A / B and MVT tests in large-scale, high-traffic environments (e.g. travel, retail, eCommerce). Strong understanding of test design, sample sizing, and statistical significance. Confident advising More ❯

data science, user research, UX, competitor analysis and consumer psychology to develop data-led approaches that help our clients make their websites more successful. We use A / B and multi-variant testing to understand the impact of our recommendations, and you will work collaboratively with internal and external teams to ensure the … leadership within the team and help to develop internal processes and more junior colleagues. The latter of these may be in a direct line management capacity and / or through coaching members of the client teams you lead. Key Responsibilities and Duties: Working within the development and project team to provide technical development skills for Adobe Campaign … marketing requirements and translation into Adobe Campaign technical solutions Architect, configure, administer, and operate CRM systems Work with client stakeholders to understand requirements and translation into technical solutions Qualifications / Requirements: Previous experience with A / B testing programs (and any associated software Target, Optimize, Optimizely, VWO etc.) Previous experience with Web More ❯

enhancements across areas such as content, merchandising, and ranking in upper funnel. The ideal candidate has a proven track record in digital optimization, and A / B testing, with the ability to translate data into hypotheses and behavioural insights that drive results. You will work closely with cross-functional stakeholders across … deeper understanding of the consumer journey by constantly tracking key KPIs and analyzing behavioral data to identify opportunities and actions that improve digital performance (e.g., Site to PLP / PDP rate, add-to-cart rate, conversion rate). Shape and manage the experimentation roadmap in line with commercial, trading and consumer priorities, ensuring test outcomes are translated into … impactful actions and scalable solutions. Support the A / B testing and personalization strategy across upper-funnel experiences (Header Navigation & Onsite Search), managing test ideation, execution and performance. Deliver upper-funnel experiences that reflect seasonal campaigns, category and brand storytelling, connecting consumers with relevant products and narratives. Partner with cross-functional teams (Analytics More ❯

KPIs and surface opportunities for operational excellence. Change & test partner: Play a key role in planning, testing, and evaluating service improvements-supporting A / B testing and adopting statistical approaches to measure real-world impact. Stakeholder collaboration: Translate complex analysis into clear business value, acting as the primary expert … KPIs and surface opportunities for operational excellence. Change & test partner: Play a key role in planning, testing, and evaluating service improvements-supporting A / B testing and adopting statistical approaches to measure real-world impact. Stakeholder collaboration: Translate complex analysis into clear business value, acting as the primary expert … Outstanding communicator: able to translate complex analyses into actionable insights for both technical and non-technical audiences; confident presenting to senior management Comfortable designing and interpreting A / B tests or other statistical approaches relevant to service improvement Self-sufficient and proactive: works independently, asks the right questions, and takes full ownership of projects and More ❯

developing scalable solutions that push our technology forward and transform how we deliver value to our users. Main Duties and Responsibilities Data & Retrieval Build robust ingestion pipelines for PDFs / Word / Excel / Audio / JSON and semi-structured sources. Design RAG systems: chunking strategies, document schemas, metadata, hybrid / dense retrieval, re-ranking … and grounding. Manage vector / keyword indexes (e.g., Azure AI Search, pgvector, Pinecone / Weaviate). Develop and deploy advanced NLP, information retrieval, and recommendation systems that enhance Chambers and Partners’ research and product offerings, including document understanding, automatic summarisation, topic modelling, semantic search, entity recognition, and relationship extraction. Design and implement intelligent tagging and metadata enrichment frameworks … market data, improving search, discoverability, and insight accuracy. LLM & Machine Learning Application Engineering Design, build, and maintain traditional ML and LLM models and pipelines. Build LLM apps using LangGraph / LangChain: tools / function calling, structured outputs (JSON Schema), agents, and multi-step reasoning. Implement ASR / TTS and multimodal where relevant (e.g., Whisper). Choose customization More ❯

re committed to expanding our reach and impact, offering you the opportunity to be part of our exciting journey. As a Director of Paid Acquisition & Growth (m / f / d) at FORMEL SKIN, you will take full ownership of our acquisition engine and lead the next phase of growth. In this role, you'll drive … Optimization (CRO): Build and run a structured CRO roadmap. Own experimentation across the website and user funnel to systematically increase conversion rates. Lead on A / B testing and work closely with Product and Design. Go to Market: Develop and execute acquisition strategies for launching new products and markets. Ensure fast … acquisition channels (e.g., Google, Meta, TikTok), with a track record of managing 7 figure budgets effectively. CRO & Experimentation Skills: Strong background in conversion optimisation, A / B testing, and funnel performance analytics. GTM Execution: Experience launching products in new markets or segments, with strong strategic and operational capabilities. MarTech & Automation: Hands More ❯

the differentiation of Constructor to prospects will be critical. Our next Solutions Architect is well-versed in enterprise eCommerce and has experience with Cloud technologies, data science and analytics / testing principles, SaaS, solution design, software development methodology, security requirements, SaaS architectures, and enterprise integrations. You are comfortable presenting to prospects and partners to showcase Constructor's … solutions that comprise retailer technology stacks Ability to comprehend complex data structures and prescribe best practices to optimize them Familiarity with data science and statistics principles, A / B testing methodologies and analytics Ability to explain AI and Machine Learning concepts to both technical and non-technical audiences This role is ideal for … agents. Engineering is by far our largest department, and we've built our proprietary engine to be the best on the market, having never lost an A / B test to a competitive technology. We're passionate about maintaining this and work on the bleeding edge of AI to do so. Out of More ❯

D2C business. Private Equity backed As the Website Manager, you’ll be instrumental in shaping the launch and growth of a new website, supporting A / B testing and conversion rate optimisation, while leading ongoing enhancements to user experience, site performance, and content effectiveness. Key Responsibilities: Manage the daily operation and … website metrics. Regularly update website content, resolve bugs. Identify improvements to UX, UI, and on-site content for better engagement and performance. Plan, execute, and analyse A / B and multivariate tests to support data-driven decisions. Track and optimise site speed, uptime, and overall technical performance. Lead the planning, development, and implementation of a … fast-moving B2C or multi-site organisation. Strong experience working with CMS platforms, particularly WordPress and HubSpot. Hands-on experience with CRO strategies and A / B testing tools. Proficiency with web analytics and performance tracking systems. Solid understanding of HTML, CSS, and basic JavaScript. In-depth knowledge of SEO best More ❯

Company Description Job Description As a Senior Product Manager (f / m / d) at SIXT, you will be creating solutions used globally by millions of users, revolutionizing the way people experience mobility. You will be responsible for driving improvements in our digital omni-channel customer experience for Incremental Revenue Products, ranging from self-service, check … optimize conversion funnels, and foster a culture of experimentation by encouraging the testing of new ideas and features through rapid prototyping and A / B testing You will leverage product data and key performance indicators to drive informed, strategic decision-making in complex environments You develop and execute personalization … product management experience, adapt in agile methodologies and cross-functional teamwork, with a focus on customer-facing digital products (experience in B2C digital products or the travel / mobility industry is a plus) Teamwork You have worked closely with cross-functional engineering teams to define, prioritize, and deliver product features aligned with business goals Skills More ❯

B2C Website Manager / Digital Manager (Office Based), Oldbury, £40-50k This successful and stable company is now seeking a professional and organised Website Manager to join and lead their existing In-House Team. Based at the Head Office, you will be responsible for managing a team of 6-8 people, so prior experience … in supervising / managing a team is essential. Although a Digital role you will also be involved in assisting further increasing foot traffic into branch. Reporting to the Directors, you will be an important member of the leadership team. Responsibilities: Create and implement agreed marketing strategies across all marketing channels including keyword research and competitor … to improve digital performance. Plan, develop, implement, monitor and optimise all Paid Marketing Campaigns, including Google Ads, Meta, Pinterest, YouTube etc. Track campaign success and report on findings, identifying / suggesting improvements to increase CTR. Ensure SEO best practices are followed. Analyse website performance and customer behaviour to identify opportunities for CRO (conversion rate optimisation). Conduct A More ❯

Manager you will be asked to drive growth through defining and executing data-driven strategy for Consumer to increase consumer experience by combining the disciplines of User Research, UX / UI, experimentation, A / B testing, and personalization. And overall drive data driven mindset in the eCommerce organisation. For this, we don … responsibility over the following tasks: Be the voice of the consumer driving long term strategic decisions Be the go to person when translating customer pain points and opportunities (needs / behaviors / preferences) into detailed product requirements thanks to quality research Drive our experimentation cycle and outcome through A / B testing and more Set high standards for UX / UI Develop and further improve RFM model to guide the personalization framework and further engage our end consumers Develop high performing teams and build the right talent pool and succession Qualifications We are looking for a user centric and problem-solving mindset person - you are the consumer More ❯

ensure seamless experiences experiment with AI driven personalisation and cross channel orchestration, scaling proven solutions into core CRM processes track and improve performance through KPI dashboards, A / B testing and data insights YOU COME WITH at least 4 years of product management experience, ideally in CRM, subscriptions or lifecycle marketing strong understanding … of CRM systems, email deliverability and subscription mechanics hands on experience with A / B testing, customer segmentation and campaign personalisation a proven track record in designing upsell and cross sell initiatives that drive retention and growth excellent analytical skills with the ability to turn data into actionable strategies experience collaborating … with Elly & Stoffl, a multilingual daycare with several locations in Munich subsidised company pension scheme "Social Impact Day" p.a. to use for doing good for environment and / or society ABOUT US Westwing, Europe's in Beautiful Living e commerce, is present in 20+ European countries and achieved a GMV (Gross Merchandise Volume) of EUR More ❯

worldwide. In this role, you will: Lead the development and validation of advanced statistical methodologies to support Expedia Group’s experimentation platform, ensuring robust and reliable A / B testing across the website’s features and user experiences Collaborate closely with the experimentation platform team to design, implement, and scale new testing … Ability to work collaboratively within a small, focused team and liaise effectively with platform engineers and business partners Prior experience in experimentation platforms or A / B testing environments is highly desirable Autonomy and accountability to serve as a point of contact for statistical methodologies within the team Expedia … individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com / jobs. Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion More ❯

worldwide. In this role, you will: Lead the development and validation of advanced statistical methodologies to support Expedia Group’s experimentation platform, ensuring robust and reliable A / B testing across the website’s features and user experiences Collaborate closely with the experimentation platform team to design, implement, and scale new testing … Ability to work collaboratively within a small, focused team and liaise effectively with platform engineers and business partners Prior experience in experimentation platforms or A / B testing environments is highly desirable Autonomy and accountability to serve as a point of contact for statistical methodologies within the team Expedia … individuals with whom we have not made prior contact. Our email domain is @expediagroup.com. The official website to find and apply for job openings at Expedia Group is careers.expediagroup.com / jobs. Expedia is committed to creating an inclusive work environment with a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, religion More ❯

alignment across 's mobile ecosystem. Collaborate with cross-disciplinary partners - including Design Systems, UX, Research, and Accessibility - to translate inclusive design standards into practical developer solutions. Implement automation, CI / CD checks, and linting or testing tools that detect and enforce UI standards across teams. Contribute to defining, testing, and scaling new patterns and components … feedback to evolve the framework. Participate in technical design discussions, documentation, and knowledge sharing to help other developers build consistent experiences. Engage in continuous improvement through A / B testing, experimentation, and performance optimizations that balance user delight with accessibility compliance. Qualifications & Skills Android Development Experience: 1-3 years of experience in Android … the Android Marketplace and Distribution Process, including having an approved Play Store app. Additional Skills and Interests: Knowledge of SQL or willingness to learn, experience with A / B testing, passion for open source contributions, and a curiosity for technological innovations and latest trends. Benefits 's Total Rewards Philosophy is not More ❯

About the Product Team Our Product Management team drives product initiatives from inception, roadmap prioritization through to execution, makes impacts, and launches products / features across our global footprint. We collaborate closely with engineers, designers, analysts, marketers, and other cross functional team members to ship remarkable features and products. About the Role We are hiring a Senior … own the end to end product roadmap for specific growth surfaces (e.g., onboarding, activation, retention, monetization) across web and mobile. Hypothesis and Experimentation: Lead the entire A / B testing lifecycle, from generating high conviction hypotheses to designing, executing, and analysing product experiments to deliver measurable lift in core growth KPIs. Funnel Optimization … least 2 years specifically in a Growth PM role for a high scale consumer product. Expert in Experimentation: Demonstrable history of using A / B testing frameworks and quantitative methods to successfully drive significant, measurable uplifts in core growth metrics (e.g., conversion rate, retention). Domain Expertise: Strong background More ❯

We are seeking a talented Software Developer to join our client's e-commerce team. This role involves working alongside an experienced group of technical professionals to deliver innovative solutions for a variety of stakeholders. This role is primarily focused on supporting and developing a headless e-commerce storefront built with React and Salesforce … ongoing evolution of a modern online experience. This is a varied position offering opportunities to work across web platforms, mobile app enhancements, A / B testing initiatives, and internal tooling. You ll also gain exposure to wider technologies such as Salesforce Force. com, Service Cloud, and Cloud Operations platforms. … in a cross-functional team to deliver new features and enhancements Drive improvements that support day-to-day ecommerce operations Set up and run A / B testing campaigns, implementing successful outcomes into the codebase Build microservices and campaign support toolkits Contribute to the development of non-transactional marketing or content More ❯

We are seeking a talented Software Developer to join our client's e-commerce team. This role involves working alongside an experienced group of technical professionals to deliver innovative solutions for a variety of stakeholders. This role is primarily focused on supporting and developing a headless e-commerce storefront built with React and Salesforce … ongoing evolution of a modern online experience. This is a varied position offering opportunities to work across web platforms, mobile app enhancements, A / B testing initiatives, and internal tooling. You’ll also gain exposure to wider technologies such as Salesforce Force. com, Service Cloud, and Cloud Operations platforms. … in a cross-functional team to deliver new features and enhancements Drive improvements that support day-to-day ecommerce operations Set up and run A / B testing campaigns, implementing successful outcomes into the codebase Build microservices and campaign support toolkits Contribute to the development of non-transactional marketing or content More ❯

We are seeking a talented Software Developer to join our client's ecommerce team. This role involves working alongside an experienced group of technical professionals to deliver innovative solutions for a variety of stakeholders. This role is primarily focused on supporting and developing a headless e-commerce storefront built with React and Salesforce PWAKit. … ongoing evolution of a modern online experience. This is a varied position offering opportunities to work across web platforms, mobile app enhancements, A / B testing initiatives, and internal tooling. You’ll also gain exposure to wider technologies such as Salesforce Force. com, Service Cloud, and Cloud Operations platforms. … in a cross-functional team to deliver new features and enhancements Drive improvements that support day-to-day ecommerce operations Set up and run A / B testing campaigns, implementing successful outcomes into the codebase Build microservices and campaign support toolkits Contribute to the development of non-transactional marketing or content More ❯

prediction models that analyse churn and retention ; define the right metrics and instrumentation to measure impact. Experimentation tooling & validation: Maintain a rigorous culture of A / B testing and statistical experimentation , using causal methods and guardrail rollouts to validate hypotheses and features before scaling. Science led features: Translate cutting edge research … suits a leader who sees data science as a decision and empowerment lever , pairing strong technical depth with clean, reproducible, deployable outputs. ️ Our stack BQ / DBT / SQL, Python / FastAPI, GCP / Vertex AI, Kotlin / Spring AI (team dependent). Familiarity with experiment platforms, feature stores / MLFlow, and modern BI / visualisation tools is a plus. What You'll Be Doing Credible leader of senior data scientists; player coach ( 60% leadership / strategy, 40% hands on). Hands on where it moves the needle, providing technical guidance and setting the standard for Data Science. People & Leadership Foster a healthy More ❯

Success (10-Month Contract) Are you an 8+ year Data Analyst ready to drive global customer success for an industry leader in financial software? We're looking for a highly motivated Data Analyst to join the Global Customer Success Data Science Team in London, UK. This is a critical 10-month contract role focused on establishing … recurring reports. Influence Strategy: Conduct deep-dive analysis (root cause, operational inefficiency) and translate findings into compelling narratives that directly improve the customer journey. Experiment: Support A / B testing and digital experience evaluations by analyzing performance and quantifying business impact. What You'll Bring: 8+ years in Data Analytics / Science. … Expertise in SQL and dashboarding tools ( Tableau / Qlik ). Familiarity with big data tools ( Snowflake, Databricks ) and ETL . Experience with A / B testing and Python / R is preferred. Contract Details: Location: London, UK Duration: 10 Months Rate: Up to £277 (Umbrella) Ready to turn global data into More ❯

Success (10-Month Contract) Are you an 8+ year Data Analyst ready to drive global customer success for an industry leader in financial software? We're looking for a highly motivated Data Analyst to join the Global Customer Success Data Science Team in London, UK. This is a critical 10-month contract role focused on establishing … recurring reports. Influence Strategy: Conduct deep-dive analysis (root cause, operational inefficiency) and translate findings into compelling narratives that directly improve the customer journey. Experiment: Support A / B testing and digital experience evaluations by analyzing performance and quantifying business impact. What You'll Bring: 8+ years in Data Analytics / Science. … Expertise in SQL and dashboarding tools ( Tableau / Qlik ). Familiarity with big data tools ( Snowflake, Databricks ) and ETL . Experience with A / B testing and Python / R is preferred. Contract Details: Location: London, UK Duration: 10 Months Rate: Up to £277 (Umbrella) Ready to turn global data into More ❯