176 to 200 of 423 A/B Testing Jobs in the UK

a curious, hands‐on developer looking to build and improve the website of one of the UK’s leading private company data platforms? We’re looking for a Graduate Web Developer who loves solving problems, experimenting with new tech and finding smarter, faster ways … site architecture, and experiment with programmatic SEO and scalable landing pages. Experimentation: You’ll work with the Marketing team on A / B testing and conversion rate optimisation, testing ideas and measuring results. About you To excel in this role ...

Success and Sales, to limited interactions with external customers. Write production and offline analytical code in Python. Work with distributed data pipelines in Spark / Databricks / GCP. Requirements A degree in computer science or a comparable analytical field. 3+ years of post-undergrad … with distributed analytics and data tooling such as Spark and Databricks. This role has on-call shifts, as part of our weekend rotation, Fri / Sat / Sun. While the number of shifts is subject to change, currently it works out to about six weekends a ...

side, with a lean towards back end. You love shipping and seeing how it performs in production: delivery pipelines, A / B testing and monitoring. You're customer-centric, work well with product managers, and spot the product decisions an agent … winning, fast-growing company. Benefits will vary depending on location Working abroad for 4 weeks a year (within a + / - 3 hour time zone) *Subject to passing probation The Tech Stack TypeScript, Node.js, React, PostgreSQL, Redis, Mongo, Google Cloud Run / Kubernetes, BigQuery ...

Government business stakeholders across the full lifecycle, from hypothesis through to production deployment. Leveraging our AWS-based infrastructure you will apply modern MLOps / LLMOps tooling to run rigorous experiments, track results, and deliver scalable solutions. A key aspect to the role is to balance rapid experimentation … security of the UK. Core Duties Design and develop machine learning models for traditional ML use cases (forecasting, classification, anomaly detection) and GenAI / LLM applications Lead experimentation cycles: define hypotheses, design experiments, evaluate results, and iterate rapidly while adhering to governance requirements Transition validated experiments into production-ready ...

house Server-Driven UI framework, helping us deliver features and dynamic experiences more quickly. Supporting and improving our mobile infrastructure, including CI / CD pipelines with GitHub Actions, Google Play deployment workflows and automated UI testing. Writing clean, maintainable and well-tested code. Participating in code reviews and technical … tick every box, but it would be helpful if: You have experience with Server-Driven UI. You have worked with A / B testing or experimentation. You have some exposure to CI / CD and automated mobile testing. You have integrated ...

driving technical direction. MLOps, Deployment & Operations Deep hands‐on experience with SageMaker Pipelines, Training, Processing, Model Registry, Endpoints, Monitoring, and deployment workflows. CI / CD, infrastructure as code, model lifecycle management, and automated retraining. Observability, drift detection, experimentation, and performance engineering. Multi‐account AWS deployments and cross‐account … tests, and benchmark suites. Architect performance testing for latency‐sensitive inference paths and model hot paths. Establish standards for A / B testing, shadow deployments, canary rollouts, and controlled experiments. Nice to Have Background in ranking, search relevance, entity matching ...

This is a highly impactful role for an experienced performance marketer with a strong background in B2B SaaS , ideally working with mid-market to enterprise-level customers . The successful candidate will be a highly analytical, data-driven marketer with a proven … performance, opportunity and commercial priorities. Testing, Measurement & Optimisation Establish rigorous testing frameworks across paid media, including A / B testing, incrementally testing and geo-lift studies. Develop measurement frameworks to understand campaign effectiveness and true incremental impact. ...

500M+ downloads. 80M+ monthly users. A decade of building - and we're still accelerating. Flo is the world's #1 health & fitness app worldwide on a mission to build a better future for female health. Backed by a $200M investment … interaction design - you care about how things feel, not just how they work Hands-on experience with mobile CI / CD tooling, including build, test and release automation Experience integrating with analytics and BI systems, including A / B testing frameworks Experience ...

operational health of the services your team builds, including observability, incident response and follow-up, technical debt and continuous improvement of reliability. Improve CI / CD, deployment safety, feature flagging and experimentation practices so the team can release frequently, learn from evidence and respond quickly to issues. Recruit, interview … engineering fundamentals, including Core Web Vitals, rendering strategies, CDN and caching behaviour, and device and network constraints. Experience with automated testing, CI / CD, observability, secure development and accessible web experiences, including WCAG standards. Strong product judgement: comfortable questioning and refining requirements, using customer and commercial evidence ...

conversion, and the experiment infrastructure that lets us learn weekly. Half engineer, half growth lead. What you’ll do Programmatic SEO + GEO Expand / locations and / compare to thousands of well-targeted pages Own the schema.org + llms.txt surface for generative engines Run on-page + … technical SEO experiments to chart-topping result Lifecycle + activation Email / push / in-app drip — verify-email, first-build, rebalance day Onboarding A / B tests on the help-me modal + roll-the-dice flow Win-back loops for lapsed ...

Paddle offers digital product companies a completely different approach to their payment infrastructure. Instead of assembling and maintaining a complex stack of payments-related apps and services, we’re a Merchant of Record for our customers. That means we take away … spec to prototype – we expect ideas to be testable in days, not weeks. Run a continuous programme of optimisation – A / B tests, beta programmes, usability research – to compound conversion and UX gains across a high-volume, consumer-facing surface. Data ...

forefront of innovation to address the entire breadth of opportunities in the evolving world of cloud, digital and platforms. Role Purpose / Summary User Researcher needed on One Login to support the Private & Public Beta Phase. Key Responsibilities Work with Performance Analysts (PAs) to interpret performance data from various … data sources (e.g. digital journey, support channels) Research design & experimentation. Design and run A / B tests and controlled experiments to evaluate service changes, in collaboration with the HMRC Experimentation team. Develop hypotheses, define success metrics, and ensure statistical validity. Build processes for integrating qualitative ...

couldn’t do it without our wonderful people. What you'll be doing: Lead Experimentation Delivery: Lead the technical delivery of A / B and multivariate tests, ensuring high-quality, performant and scalable implementations across our digital platforms. Build Optimisation Experiences: Develop customer experiences using … techniques, browser capabilities and front-end technologies, identifying opportunities to improve our experimentation capability. What you'll have: Extensive experience developing A / B tests, personalisation campaigns or optimisation solutions within a commercial environment. Expert knowledge of JavaScript, HTML and CSS, with a ...

experience working in cross-functional teams and successfully influencing senior leadership and executive stakeholders, without direct authority Expertise in user research, A / B testing, and data analysis to independently define strategic direction and product development Skilled in critical assessment and oversight, with … community Rich learning and development opportunities are supported through the Trustpilot Academy and Blinkist Pension and life insurance Health cash plan, online GP, 24 / 7 Employee Assistance Plan Full access to Headspace, a popular mindfulness app to promote positive mental health Paid parental leave Season ticket ...

site and across all digital marketing channels. Our tools span AI-powered search, personalized recommendations, smart merchandising, optimized product data syndication, A / B Testing and marketplace / social commerce performance. We help brands grow with sharper visibility, higher conversion, and less … year, increasing by one day for each additional year of service, to a maximum of 28 days Company pension scheme Vitality Healthcare / Half Price Gym membership / Free Coffee and more... Cycle to work program Flexible working between home and office Athos Commerce ...

Practical AI use: AI is core to how our team works. We expect fluency and curiosity - candidates are expected to have experience with connectors / plugins, automations and a deep interest in the use of AI to help humans do their best work. Agile ceremonies … written user stories and acceptance criteria in an agile team, and you’re comfortable discussing APIs, data and integrations with engineers. Publisher and / or startup experience : You will understand how news orgs think or prove an ability to learn quickly. You will be comfortable working independently in a ...

moments that matter, at scale and in every market we operate in. We work across Preply's core platform, built with Python / Django on the backend and React on the frontend, and the CRM stack that powers our communications layer. Our focus now is adding more automation … output scales with the business. We're proudly tech-agnostic, great engineers come from all kinds of backgrounds. Whether you’ve worked with Java / Spring, Node.js, Ruby on Rails, Scala / Play, PHP, or Go, you’ll feel right at home here. Python experience isn’t required. ...

marketing spend to downstream player behaviour, retention and monetisation, informing feature and in-game economy decisions Design, run and evaluate experiments (A / B tests, campaign and feature trials) to measure marketing and product impact, applying appropriate statistical rigor to your conclusions Requirements Proven experience … analytical role within marketing, ideally in a data-driven, performance-focused environment Strong analytical skills and experience with LTV / ROI modelling and marketing mix or attribution analysis Solid understanding of marketing principles, digital advertising channels, and campaign optimisation Comfortable partnering directly with Product Managers or Game ...

website technical roadmap Manage external web development agencies and oversee project delivery Support website conversion rate optimisation (CRO) initiatives and A / B testing programmes Maintain and improve website tracking through Google Analytics 4 and Google Tag Manager Establish and govern website standards … experience working with multiple teams and agencies A commercial mindset with the ability to balance technical priorities against business objectives Desirable HTML / CSS knowledge Technical SEO experience Analytics certifications Experience within B2B services, multi-site or international organisations Experience supporting business acquisitions and website migrations ...

Terraform. Data Systems and Analytics: Experience with PostgreSQL, MySQL, and BigQuery. Passion for working with data to power real-time analytics, A / B testing, and monitoring with tools like DataDog. Systems Thinking: Experience designing and building distributed, high-availability, high-throughput systems … ability to bring insights and practices across ecosystems. 🧡 Perks & Benefits We’re aremote-firstProduct & Engineering team, working across the UK and Europe (London + / - 1h GMT). You can work from our London office, from home, or a mix of both. Whatever suits you best. ...

billion in digital payment transaction value annually. About the role: At Moniepoint, data is at the core of everything we do. We are a customer-centric company, and your work will enable our teams to make informed, data-driven decisions that directly impact the success of our business. … risk analytics within financial services Working knowledge of credit risk, consumer lending, and regulatory considerations Proficiency in SQL and at least one modelling / programming language (Python, R) Experience with A / B testing, machine learning, collections modelling and churn management Ability ...

will work directly with them as part of their team. About the Role This role blends 60% SEO with 40% hands-on React / Next.js development. You’ll drive organic growth while independently coding, optimising and publishing website pages. You’ll also manage content marketing, analytics and multiple websites … using Claude and other AI tools to automate workflows and speed up delivery. Healthcare / YMYL experience is a plus. We’re looking for a creative, adaptable problem-solver with strong SEO and coding skills who thrives in a fast-paced environment. Responsibilities ...

you. Because that makes us, us. Sound good? Great. Let’s find out about that job. THE TEAM Our Tech team is a 60+ strong team of curious minds, building the digital experiences that power KFC – from app to kiosk, delivery to checkout. We work cross-functionally, move … marketing and campaign effectiveness. GA4 or other digital analytics experience. Knowledge of customer lifetime value, attribution or incrementality. Experience with experimentation, A / B testing or statistical analysis. Exposure to platforms such as Braze, Salesforce Marketing Cloud or Adobe Campaign. ABOUT ...

their own Coach and upskill analysts, supporting the wider goal of building data literacy across the business Stakeholders and delivery Partner with Membership, Marketing / CRM, Digital, Operations and Finance to prioritise a roadmap of data science work by value Explain complex methods and uncertainty clearly … Strong Python (our preferred language) and its data science ecosystem A deep grounding in statistics, experimentation and causal inference (A / B testing, power analysis, variance reduction, difference-in-differences, synthetic control or similar) Excellent stakeholder skills: can turn a ...

building something that truly matters for millions of people, every day. Meet the Team! At Preply, we build scalable and reliable applications using Python / Django, with a strong focus on data, A / B testing, and feedback from students … tutors to guide our decisions. We prioritize product quality through robust monitoring, metrics analysis, and continuous optimisation. Thanks to our advanced CI / CD processes, we release code 50–60 times per day. We’ve reached 90%+ adoption of AI coding tools across engineering ...