176 to 200 of 333 A/B Testing Jobs in London

Job Title: Lead Data Engineer Location: London (Hybrid) Type: Full-time Agency: Representing a leading digital media group We're representing a forward-thinking digital media organisation with a growing portfolio of high-traffic content brands. As they continue to scale their data capabilities, they're seeking a Lead Data Engineer to … analytics, ad tech, and social platforms. Lead engineering efforts to automate workflows using tools like Airflow, dbt, and Spark. Build robust data models to support dashboards, A / B testing, and revenue analytics. Collaborate with cross-functional teams to deliver actionable insights and support strategic initiatives. Drive cloud-based data infrastructure projects, particularly … on GCP. Manage and mentor a Data Engineer, fostering growth and technical excellence. Requirements: Advanced SQL skills and experience with relational / non-relational databases. Proficiency in Python and / or Java for data services and API integration. Proven experience with cloud platforms (GCP preferred) and data warehouses like BigQuery or Snowflake. Strong analytical skills and More ❯

Job ID: Amazon UK Services Ltd. Do you enjoy a fast-growth business where you can affect customer experience at scale in one of the newest Amazon bets? Amazon Freight (AF) is growing at triple digit rates as we scale this new product across Europe (EU5+) and we are hiring a Marketing Manager to support our … From Lead, Onboarded stage, to attrited stage. • Manage lead capturing and lead conversion tools like Pardot, Marketo and Salesforce. • Measure the effectiveness of Email campaigns utilising A / B testing • Build, maintain and optimize the marketing technology stack that improves and scales overall marketing function effectiveness, performance, and use journey • Collaborate with sales … a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country / region you're applying in isn't listed, please contact your Recruiting Partner. Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran More ❯

About us: We are champions of rail, inspired to build a greener, more sustainable future of travel. Trainline enables millions of travellers to find and book the best value tickets across carriers, fares, and journey options through our highly rated mobile app, website, and B2B partner channels. Great journeys start with Trainline Now Europe's number 1 downloaded … over 125 million monthly visits and £5.9 billion in annual ticket sales, we collaborate with 270+ rail and coach companies in over 40 countries. We want to create a world where travel is as simple, seamless, eco-friendly and affordable as it should be. Today, we're a FTSE 250 company driven by our incredible team … appropriate tools & techniques Ensure quality is at the heart of everything you do Continuously improve the codebase Keep our customer as the number one priority Use A / B Testing to find the most valuable solution for customers Mentor junior engineers Take ownership of the development lifecycle from code to production, including deployment More ❯

across cloud platforms Establish and enforce standards for model reproducibility, monitoring, documentation, and governance Act as a thought leader within the organization, staying current with emerging AI / ML technologies and evaluating their strategic value Qualifications Experience Extensive experience in data science, machine learning, or advanced analytics, ideally in a technical leadership role Proven expertise … in Python and ML frameworks (e.g., PyTorch, TensorFlow, Scikit-learn) and experience across NLP, computer vision, and LLMs Strong statistical foundation, including A / B testing, causal inference, and experimental design Proficiency in SQL and working with large-scale, cloud-based datasets Deep understanding of MLOps principles and integrating ML solutions into production … Hugging Face, Chroma, Mistral) and generative AI applications Domain expertise in areas like operations, personalization and marketing Passion for AI research, R&D, and exploring innovative applications of ML / AI within the business Additional Information Publicis Groupe operates a hybrid working pattern with full time employees being office-based three days during the working week.We are More ❯

Role: Digital AnalystRate: £550 p / d Inside IR35Location: London HQ - Hybrid Model - 1 day p / w on siteDuration: 6 months We are looking for a data-driven Digital Analyst to join our marketing team. This role is crucial for proving the value and maximizing the effectiveness of our marketing campaigns. The successful candidate will … be responsible for leveraging Google Analytics to gather deep insights into campaign performance, from initial user acquisition to conversion. Experience Required: Proven experience as a Digital Analyst, Marketing Analyst, or a similar data-focused role. Strong background in analysing marketing campaign data and demonstrating ROI. Expert proficiency with Google Analytics (GA4) is essential, including report customization … identify and address any data anomalies or issues, ensuring that reports and dashboards are built on a foundation of clean, reliable data. Collaborate on A / B testing and other optimization efforts, using data to inform hypotheses and measure results. Reasonable Adjustments: Respect and equality are core values to us. We More ❯

inform design and development. A strong leader with experience managing and mentoring research teams. Able to synthesize complex data into meaningful recommendations that guide product and UX / UI teams. Confident in articulating research findings to diverse stakeholders, influencing product direction with evidence-based insights. WHAT WILL YOU DO? Research & Insights Generation Develop and communicate a … innovation, and continuous improvement within the team. Provide mentorship and guidance to researchers, supporting their growth and development. Collaboration with Product & Design Teams Work closely with product managers, UX / UI designers, and data analysts to integrate research insights into product development. Collaborate with designers to translate research findings into design solutions, including wireframes and prototypes. Support product design … design implementations against research insights and user needs. Advocate for user needs in product discussions, balancing business goals and usability. Partner with analytics teams to develop A / B testing plans and measure the impact of design changes. Represent the voice of the user, advocating for user-centered decision-making among senior leadership. More ❯

As a Data Engineer / Scientist at Actica, you will have the opportunity to design, build, and maintain data pipelines while developing advanced analytics solutions to unlock business problems for high-profile UK public sector organisations. Your expertise will enable organisations to maximise the value of their data assets through robust data infrastructure and sophisticated analysis, playing … secure environments while contributing to the UK's digital transformation agenda, we should discuss how your expertise could strengthen our growing data practice. As a data engineer / scientist, you will: Design, implement, and maintain scalable data pipelines and ETL processes Develop and maintain data warehouses and data lakes Implement data quality monitoring and validation systems Create … problems into data queries and solutions Develop and deploy machine learning models Create advanced analytics solutions Provide insights through data visualization and reporting Design and implement A / B tests and experiments Collaborate with stakeholders to understand data requirements Project Responsibilities: You will work on assignments such as: Architecting end-to-end data solutions for More ❯

Role: Digital Analyst Rate: £550 p / d Inside IR35 Location: London HQ – Hybrid Model - 1 day p / w on site Duration: 6 months We are looking for a data-driven Digital Analyst to join our marketing team. This role is crucial for proving the value and maximizing the effectiveness of our marketing campaigns. The … successful candidate will be responsible for leveraging Google Analytics to gather deep insights into campaign performance, from initial user acquisition to conversion. Experience Required: Proven experience as a Digital Analyst, Marketing Analyst, or a similar data-focused role. Strong background in analysing marketing campaign data and demonstrating ROI. Expert proficiency with Google Analytics (GA4) is essential … identify and address any data anomalies or issues, ensuring that reports and dashboards are built on a foundation of clean, reliable data. Collaborate on A / B testing and other optimization efforts, using data to inform hypotheses and measure results. More ❯

Role: Digital Analyst Rate: £550 p / d Inside IR35 Location: London HQ – Hybrid Model - 1 day p / w on site Duration: 6 months We are looking for a data-driven Digital Analyst to join our marketing team. This role is crucial for proving the value and maximizing the effectiveness of our marketing campaigns. The … successful candidate will be responsible for leveraging Google Analytics to gather deep insights into campaign performance, from initial user acquisition to conversion. Experience Required: Proven experience as a Digital Analyst, Marketing Analyst, or a similar data-focused role. Strong background in analysing marketing campaign data and demonstrating ROI. Expert proficiency with Google Analytics (GA4) is essential … identify and address any data anomalies or issues, ensuring that reports and dashboards are built on a foundation of clean, reliable data. Collaborate on A / B testing and other optimization efforts, using data to inform hypotheses and measure results. More ❯

Role: Digital Analyst Rate: £550 p / d Inside IR35 Location: London HQ – Hybrid Model - 1 day p / w on site Duration: 6 months We are looking for a data-driven Digital Analyst to join our marketing team. This role is crucial for proving the value and maximizing the effectiveness of our marketing campaigns. The … successful candidate will be responsible for leveraging Google Analytics to gather deep insights into campaign performance, from initial user acquisition to conversion. Experience Required: Proven experience as a Digital Analyst, Marketing Analyst, or a similar data-focused role. Strong background in analysing marketing campaign data and demonstrating ROI. Expert proficiency with Google Analytics (GA4) is essential … identify and address any data anomalies or issues, ensuring that reports and dashboards are built on a foundation of clean, reliable data. Collaborate on A / B testing and other optimization efforts, using data to inform hypotheses and measure results. More ❯

Role: Digital Analyst Rate: £550 p / d Inside IR35 Location: London HQ – Hybrid Model - 1 day p / w on site Duration: 6 months We are looking for a data-driven Digital Analyst to join our marketing team. This role is crucial for proving the value and maximizing the effectiveness of our marketing campaigns. The … successful candidate will be responsible for leveraging Google Analytics to gather deep insights into campaign performance, from initial user acquisition to conversion. Experience Required: Proven experience as a Digital Analyst, Marketing Analyst, or a similar data-focused role. Strong background in analysing marketing campaign data and demonstrating ROI. Expert proficiency with Google Analytics (GA4) is essential … identify and address any data anomalies or issues, ensuring that reports and dashboards are built on a foundation of clean, reliable data. Collaborate on A / B testing and other optimization efforts, using data to inform hypotheses and measure results. More ❯

Drupal Developer Location: Fully Remote Salary: £40,000 - £43,000 30 Days Annual Leave + Bank holidays, 35 hour working weeks I'm partnered with a well known UK charity who are hiring for a drupal developer … with strong front end experience to join the team on a permanent, remote basis. Key skills for this role are knowledge of drupal, PHP, a / b testing and understanding of how the cms integrates with other digital tools to improve the user journey.The Drupal Developer will be supporting a key organisational project working with an in-house development team and wider technical / digital team. Skills required for the Drupal Developer are: - Drupal, PHP experience- Experience with CMS systems and digital tools like google tag manager- Charity experience would be an advantage- Good communication skills and a self starter Drupal / Front End More ❯

WEB ANALYST LONDON – HYBRID GREAT SALARY PLUS FANTASTIC BENEFITS Our Customer: We’re thrilled to be recruiting EXCLUSIVLEY once again, for our award-winning client. A leader in extraordinary travel, they craft unique and life-enhancing journeys to some of the world’s most inspiring destinations. As they continue to expand their global reach, they are seeking a hand on, pro-active, Web Analyst to join their dynamic team. In this Web Analyst role, you will enjoy a competitive benefits package, including a company pension, private medical insurance, and a generous holiday entitlement of 1 week’s free travel per year for you and 3 other family members. Job Description … merchandising teams to optimise product and content strategies Maintain a roadmap for user journey analysis and highlight key optimisation opportunities Help shape and analyse A / B testing plans to improve user experience and conversions Monitor daily web metrics and ensure consistent tracking of success indicators Align with local marketing teams More ❯

WEB ANALYST LONDON – HYBRID GREAT SALARY PLUS FANTASTIC BENEFITS Our Customer: We’re thrilled to be recruiting EXCLUSIVLEY once again, for our award-winning client. A leader in extraordinary travel, they craft unique and life-enhancing journeys to some of the world’s most inspiring destinations. As they continue to expand their global reach, they are seeking a hand on, pro-active, Web Analyst to join their dynamic team. In this Web Analyst role, you will enjoy a competitive benefits package, including a company pension, private medical insurance, and a generous holiday entitlement of 1 week’s free travel per year for you and 3 other family members. Job Description … merchandising teams to optimise product and content strategies Maintain a roadmap for user journey analysis and highlight key optimisation opportunities Help shape and analyse A / B testing plans to improve user experience and conversions Monitor daily web metrics and ensure consistent tracking of success indicators Align with local marketing teams More ❯

WEB ANALYST LONDON – HYBRID GREAT SALARY PLUS FANTASTIC BENEFITS Our Customer: We’re thrilled to be recruiting EXCLUSIVLEY once again, for our award-winning client. A leader in extraordinary travel, they craft unique and life-enhancing journeys to some of the world’s most inspiring destinations. As they continue to expand their global reach, they are seeking a hand on, pro-active, Web Analyst to join their dynamic team. In this Web Analyst role, you will enjoy a competitive benefits package, including a company pension, private medical insurance, and a generous holiday entitlement of 1 week’s free travel per year for you and 3 other family members. Job Description … merchandising teams to optimise product and content strategies Maintain a roadmap for user journey analysis and highlight key optimisation opportunities Help shape and analyse A / B testing plans to improve user experience and conversions Monitor daily web metrics and ensure consistent tracking of success indicators Align with local marketing teams More ❯

WEB ANALYST LONDON – HYBRID GREAT SALARY PLUS FANTASTIC BENEFITS Our Customer: We’re thrilled to be recruiting EXCLUSIVLEY once again, for our award-winning client. A leader in extraordinary travel, they craft unique and life-enhancing journeys to some of the world’s most inspiring destinations. As they continue to expand their global reach, they are seeking a hand on, pro-active, Web Analyst to join their dynamic team. In this Web Analyst role, you will enjoy a competitive benefits package, including a company pension, private medical insurance, and a generous holiday entitlement of 1 week’s free travel per year for you and 3 other family members. Job Description … merchandising teams to optimise product and content strategies Maintain a roadmap for user journey analysis and highlight key optimisation opportunities Help shape and analyse A / B testing plans to improve user experience and conversions Monitor daily web metrics and ensure consistent tracking of success indicators Align with local marketing teams More ❯

Own the Spoken Word Playback, Catalog and Publisher facing tools Roadmap including feature definition, UX, tradeoffs and simplifiers • Run lots of experiments- design, testing, A / B tests and analysis • Analyze customer research and data, work with BI to create dashboards • Global stakeholder management • Create mechanisms to drive product alignment and decision making … across tech teams, marketing, and other internal stakeholders • Communicate with senior level executives BASIC QUALIFICATIONS - Bachelor's degree - Experience owning / driving roadmap strategy and definition - Experience with feature delivery and tradeoffs of a product - Experience contributing to engineering discussions around technology decisions and strategy related to a product - Experience managing technical products or online … a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country / region you're applying in isn't listed, please contact your Recruiting Partner. Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran More ❯

CONTRACT ROLE: Marketing Data Analyst - 3 month contract - Start ASAP - Hybrid / London - INSIDE IR35 The role requires someone to analyse marketing data to drive insights, optimise campaigns, and improve marketing effectiveness across the clients marketing initiatives. This is a Technical / Marketing role as you will bridge the gap between technical and marketing analytics You … will need: • Experience in marketing analytics or data analysis • Extensive A / B testing experience • Communicate with Senior stakeholders to bridge the gap between technical and marketing analytics • Strong analytical skills with proficiency in SQL • Experience with marketing analytics tools and platforms • Understanding of marketing metrics, KPIs, and attribution models • Ability to translate More ❯

CONTRACT ROLE: Marketing Data Analyst - 3 month contract - Start ASAP - Hybrid / London - INSIDE IR35 The role requires someone to analyse marketing data to drive insights, optimise campaigns, and improve marketing effectiveness across the clients marketing initiatives. This is a Technical / Marketing role as you will bridge the gap between technical and marketing analytics You … will need: • Experience in marketing analytics or data analysis • Extensive A / B testing experience • Communicate with Senior stakeholders to bridge the gap between technical and marketing analytics • Strong analytical skills with proficiency in SQL • Experience with marketing analytics tools and platforms • Understanding of marketing metrics, KPIs, and attribution models • Ability to translate More ❯

CONTRACT ROLE: Marketing Data Analyst - 3 month contract - Start ASAP - Hybrid / London - INSIDE IR35 The role requires someone to analyse marketing data to drive insights, optimise campaigns, and improve marketing effectiveness across the clients marketing initiatives. This is a Technical / Marketing role as you will bridge the gap between technical and marketing analytics You … will need: • Experience in marketing analytics or data analysis • Extensive A / B testing experience • Communicate with Senior stakeholders to bridge the gap between technical and marketing analytics • Strong analytical skills with proficiency in SQL • Experience with marketing analytics tools and platforms • Understanding of marketing metrics, KPIs, and attribution models • Ability to translate More ❯

CONTRACT ROLE: Marketing Data Analyst - 3 month contract - Start ASAP - Hybrid / London - INSIDE IR35 The role requires someone to analyse marketing data to drive insights, optimise campaigns, and improve marketing effectiveness across the clients marketing initiatives. This is a Technical / Marketing role as you will bridge the gap between technical and marketing analytics You … will need: • Experience in marketing analytics or data analysis • Extensive A / B testing experience • Communicate with Senior stakeholders to bridge the gap between technical and marketing analytics • Strong analytical skills with proficiency in SQL • Experience with marketing analytics tools and platforms • Understanding of marketing metrics, KPIs, and attribution models • Ability to translate More ❯

DACH Focus 6–12 Month Contract | Inside IR35 | Hybrid (Remote Occasional London) We’re working with one of the world’s most recognisable global tech brands to find a German-speaking Growth Marketing Manager to cover a key maternity leave. This is a rare opportunity to take on a role that’s … both strategic and hands-on , with a sharp focus on driving customer engagement and growth across the DACH region (Germany, Austria, Switzerland) and the UK. The Role You’ll own and execute multi-channel engagement lifecycle programmes across email, in-app, push, and digital channels for non-US markets, with the DACH region as your primary focus. Working … product marketing, and integrated marketing to deliver high-impact campaigns. Analyse campaign performance, generate insights, and recommend actionable improvements. Manage budgets, forecasts, and performance reporting. Run A / B testing to enhance engagement and conversion across the customer journey. What We’re Looking For Fluent German & English – essential for the DACH market focus. More ❯

The Drive The Collecting Group (TCG) isn't your average company; we're a team of culture curators who live and breathe cars and watches. We're not just disrupting the auction industry, we're redefining it. Our brands, Collecting Cars and Watch Collecting, are already leading the pack, but we're just getting started. We're seeking … complex, raw data into concise, commercially-focused narratives and insights for presentation to the Board of Directors and senior leadership. Create and implement a range of AI / ML methodologies (including LLMs, RAG, clustering, and regression) to create intelligent internal tools and uncover new opportunities for commercial growth. Develop of advanced forecasting and modelling techniques to inform … pricing structures, accelerate auction velocity, and guide the product development roadmap. Manage the end-to-end lifecycle of A / B testing and experimentation, from initial design and implementation to final analysis, with results directly shaping the product roadmap and go-to-market strategy. Execute proactive trend and impact analyses on key business More ❯

Scientist - Customer & Behavioural Analytics £70,000 - £80,000 + Bonus + Benefits Hybrid Working - 1 day in the office circa every 2 weeks. Role Summary We are seeking a commercially minded Senior Data Scientist to lead the development of advanced analytics and machine learning solutions focused on customer behavior, personalization, and lifecycle management. Your work will directly impact … targeting strategies, and user engagement Own the end-to-end lifecycle of models: from problem framing to deployment and monitoring Present analytical findings and strategies to stakeholders in a compelling and actionable way Mentor junior data scientists and contribute to the evolution of data science standards and practices Key Skills & Technologies Technical: Strong in Python (pandas … scikit-learn, XGBoost, LightGBM, etc.) Proficient in SQL for complex customer data extraction and manipulation Experience with customer analytics techniques: segmentation, RFM analysis, clustering, time-series, A / B testing, uplift modeling Familiarity with BI tools (e.g. Tableau, Power BI) for communicating customer insights Comfortable working with large datasets from sources like CRM More ❯

Salary: £35,000 – £45,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior Data Scientist to join a fast-growing, forward-thinking team working at the forefront of data science, machine learning, and applied AI. This is an excellent opportunity for a recent Master’s … in complex datasets. You’ll collaborate with experienced data scientists, machine learning engineers, and subject-matter experts to design, develop, and deploy models that deliver meaningful impact across a variety of industries. What You’ll Be Doing: Designing and building machine learning models to solve real-world problems Carrying out full data science workflows … from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and AI techniques to generate actionable insights Contributing to experimental research, model prototyping, and A / B testing Presenting findings clearly to both technical and non-technical stakeholders Collaborating across data science, engineering, and product teams to build scalable solutions Staying More ❯