Experimentation Jobs

Why Here? Fyxer builds an AI Email and Meeting Assistant that eliminates admin burdens for professionals in client-facing roles like sales, consultants, and recruiters. The company has surged from $0 to over $30M ARR since launching in March 2024, backed by investors including Marc Benioff, Harry Stebbings, and Madrona. The Growth Engineering team forms a small, high-ownership group driving product-led growth loops that power Fyxer's explosive revenue trajectory through rigorous experimentation. What Will You Do? As a Lead CRO Engineer at Fyxer AI, you will lead the conversion rate optimisation program across the full user journey from landing pages to activation and expansion. You will design, build, and execute multivariate experiments to boost conversion rates and enhance signup quality for better retention. Additionally, you will own the experimentation infrastructure, including testing frameworks, statistical analysis, and rollout decisions while building full-stack features.

Why Here? Datadog stands as a global SaaS leader delivering observability, security, and experimentation tools to engineering teams worldwide. With rapid growth and profitability, the company empowers over 25,000 customers to monitor complex technology stacks effectively. This role resides within the Customer Data Science team focused on solutions and experimentation. They partner directly with customers to design high-impact programs driving measurable outcomes. What Will You Do? As a Senior Customer Data Science - Solutions / Experimentation at Datadog, you will serve as a technical partner to customers across pre-sales and post-sales, demonstrating experimentation value. You will support proofs-of-concept by defining metrics, validating pipelines, and designing statistically sound experiments. Additionally, you will educate customers on best practices in experiment design while collaborating cross-functionally for product roadmap enhancements.

A leading SaaS company in Greater London is seeking a Senior Customer Data Science - Solutions / Experimentation. This role involves serving as a technical partner, supporting customers throughout their journey by demonstrating the value of experimentation. You'll define metrics, validate data pipelines, and educate stakeholders on best practices while collaborating to enhance product roadmaps. Ideal candidates should have strong statistical analysis skills and experience in the tech industry.

Utility Warehouse is looking for a Senior Customer Marketing Data Analyst in Greater London. This role focuses on owning the data domain for Customer Marketing, building scalable data models using Dataform, and delivering actionable insights to guide marketing strategies. The ideal candidate will have extensive experience with SQL, data modeling, and data visualization, ensuring quality and efficiency in data handling. The position offers the opportunity to shape campaign effectiveness through data-driven decisions.

Why Here? Utility Warehouse simplifies everyday utilities by bundling energy, broadband, mobile and insurance into one convenient bill that delivers substantial savings. The company aims to double in size while helping more people eliminate waste in time and money. This role embeds within the Customer Marketing team, bridging technical data stacks with marketing goals to shape campaign design and effectiveness. What Will You Do? As a Senior Customer Marketing Data Analyst at Utility Warehouse, you will own the data domain for Customer Marketing, building end-to-end scalable models using Dataform and handling complex transformations. You will deliver actionable insights that explain performance drivers and recommend strategic next steps beyond basic reporting. Additionally, you will develop self serve dashboards, tune SQL queries for efficiency, and ensure data quality to support marketing decisions.

Utility Warehouse is seeking a Data Scientist to design and deploy machine learning models that drive customer behavior insights and decisions. You will focus on Churn Propensity and Next Best Action engines, developing customer segmentation and owning xLTV plus ROI modeling. The role also includes collaborating with engineers to productionize models and analyze A/B tests for uplift. This position requires proficiency in machine learning and a strong analytical background.

Why Here? Utility Warehouse delivers energy, broadband, mobile and insurance on one bill. Customers save time and money as the company aims to double in size. The Data team applies advanced data science and machine learning. They uncover customer behavior drivers and build critical models like Customer Lifetime Value. What Will You Do? As a Data Scientist at Utility Warehouse, you will design and deploy ML models for Churn Propensity and Next Best Action engines. You will develop Customer Segmentation with clustering techniques and own xLTV plus ROI modeling for decisions. Additionally, you will productionize models with engineers and analyze A/B tests for uplift.

Why Here? Founded in 2017, Creative CX operates as a specialist Experimentation Consultancy. The firm partners with leading clients such as M&S, easyJet, AJ Bell, Hastings Direct, Primark, Premier Inn, and YOOX Net-A-Porter Group. Creative CX helps these clients innovate through research and experimentation while scaling their programs for optimization, personalization, and growth across customer experiences. What Will You Do? As a Senior Front-end Developer (Experimentation) at Creative CX, you will build and maintain high-quality, scalable front-end applications ensuring tests align precisely with specifications. You will enable and manage A/B tests, multivariate tests, and personalization initiatives from a technical standpoint. Additionally, you will develop reusable components, integrate with tools like Optimizely and Adobe Target, and collaborate with product managers, designers, and analysts to execute strategies.

Glass Atlas in Manchester is seeking a Conversion Rate Optimisation (CRO) Specialist to drive user experience improvements and deliver CRO activities across client accounts. You will create hypotheses and plan tests that align with client goals while analysing performance data to uncover insights and report on KPIs. The role requires attention to detail and the ability to work effectively within a fast-paced agency environment. Join a dynamic team focused on measurable performance enhancements.

GoHenry is seeking a Data Analyst in Greater London to join the Data team. You will collaborate across product and engineering teams to analyze and execute A/B tests, enhancing the customer experience. This role involves designing, building, and monitoring data models while utilizing tools like BigQuery and Tableau. The ideal candidate has solid experience in data analysis and statistical methods. Join GoHenry in empowering kids with essential financial skills.

Why Here? Wise is a global technology company building the best way to move and manage the world's money. Min fees. Max ease. Full speed. The CRM Analytics team supports both Personal and Business customer segments within the Marketing Analytics organisation. This team drives lifecycle marketing capabilities through rigorous data analysis and actionable insights. Your work influences customer acquisition, engagement, and retention strategies. What Will You Do? As a Lead Data Analyst - CRM Analytics at Wise, you will translate complex business questions into structured analytical frameworks defining project milestones. You will lead KPI setting for CRM channels ensuring metrics guide team prioritisation and opportunity sizing. Additionally, you will design in-depth analyses for campaign performance and drive A/B testing methodologies to optimise customer engagement.

Experimentation Jobs in the United Kingdom is looking for a Senior Data Scientist to enhance user acquisition and retention through statistical methods and rigorous analysis. You will work closely with a dynamic team, applying advanced analytics techniques to understand and improve our product efficacy. Key responsibilities include analyzing user funnels, designing experiments, and using causal inference methods. This role is pivotal in driving growth and ensuring our products deliver measurable health outcomes.

Why Here? Frasers Group rethinks retail through digital innovation and unique store experiences. They serve consumers globally with the world's best sports, premium, and luxury brands across established names like Sports Direct, FLANNELS, USC, Frasers, and GAME. This role shapes optimisation efforts within a team building a strong data-driven mindset focused on consumer experiences and growth. What Will You Do? As a Head of Digital Optimisation at Frasers Group, you will shape optimisation strategies and establish a digital consumer focus culture. You will provide analysis and develop tactics to optimise user journeys across search, merchandising, and personalisation. Additionally, you will create data-driven search and visual merchandising strategies while driving personalisation innovations to meet group KPIs.

Why Here? The Observer embodies the essence of insightful journalism through curious minds that champion arts, ideas, and progressive values without party ties. This role sits within the digital team, pivotal in evolving Observer.co.uk and apps to deliver subscriber value and expand audiences. The organization builds a modern Observer across print, audio, and digital platforms, prioritizing editorial independence and lasting impact. What Will You Do? As a Product Manager at The Observer, you will own the product roadmap, balancing feature development, technical debt, and stakeholder requests for timely delivery. You will collaborate with leadership, Head of Subscriptions, and Chief Customer Officer to define strategies for Observer.co.uk and native apps. Additionally, you will foster relationships across editorial, marketing, and engineering teams while leading experimentation to drive continuous improvements and user-centric innovations.

A prominent media organization in the Greater London area seeks a Product Manager to lead the product roadmap for Observer.co.uk and its applications. The successful candidate will work closely with various teams to define and implement strategies, fostering collaboration across editorial, marketing, and engineering departments. This is an exciting opportunity for someone passionate about driving user-centric innovations and improvements in a digital media context.

Why Here? Historic Newspapers, part of Wonderbly and owned by Penguin Random House, specializes in bespoke personalized books from an archive of over two million original newspapers. They connect people with their passions through innovative products produced from their London HQ and SW Scotland offices. After a brand transformation and Shopify re-platforming, the business achieved 300% year-over-year growth. This role reports to the Head of Product and owns the Historic Newspapers digital product roadmap in collaboration with publishing, commercial, and technology teams. What Will You Do? As a Digital Product Manager at Wonderbly, you will own the product roadmap for the Historic Newspapers website, emphasizing UX/UI enhancements, storytelling, and brand elevation. You will leverage Shopify Plus expertise to deliver scalable solutions that boost customer journeys and conversion rates. Additionally, you will drive data-informed A/B tests, conduct user research, and partner cross-functionally to create high-converting digital experiences.

Experimentation Jobs is seeking a Digital Product Manager to own the product roadmap for the Historic Newspapers website. This role emphasizes UX/UI enhancements and storytelling to elevate the brand. You will utilize Shopify Plus expertise to create scalable solutions that improve customer journeys and conversion rates. This position is key in driving data-informed A/B tests and conducting user research, collaborating across teams to deliver high-impact digital experiences.