501 to 525 of 629 A/B Testing Jobs in the UK

respondents. Your task: treat the matching pipeline as a full-scale optimisation problem and raise both accuracy and yield. Responsibilities Model optimisation - refactor and improve existing matching / segmentation models; design objective functions that balance cost, speed and data quality. Experimentation - set up offline metrics and online A / B tests; analyse … uplift and iterate quickly. Production delivery - build scalable pipelines in AWS SageMaker (moving to Azure ML); containerise code and hook into CI / CD. Monitoring & tuning - track drift, response quality and spend; implement automated retraining triggers. Collaboration - work with Data Engineering, Product and Ops teams to translate business constraints into mathematical formulations. Tech stack Python (pandas, NumPy, scikit-learn … PyTorch / TensorFlow) SQL (Redshift, Snowflake or similar) AWS SageMaker → Azure ML migration, with Docker, Git, Terraform, Airflow / ADF Optional extras: Spark, Databricks, Kubernetes. What you'll bring 3-5+ years building optimisation or recommendation systems at scale. Strong grasp of mathematical optimisation (e.g., linear / integer programming, meta-heuristics) as well as ML. Hands More ❯

Recognised as one of the fastest growing Companies in the UK, it's a really exciting time to be joining END. If you're positive, passionate and dedicated and want to be part of our future success this could be the role for you. PRODUCT MANAGER - FULL TIME, LONDON Over the last 20 years, END. has evolved into … a technology led retailer that provides luxury and contemporary apparel and exclusive sneaker drops to a global audience. One of the most influential, forward-thinking and inspirational fashion companies in the world, we have fresh products hitting our website daily and our service never stops. END. prides itself on delivering a first-class customer … to learn how to improve these areas. At END we have ambitions to continue to grow online and offline. Experience in experimentation and solid understanding of A / B testing processes and frameworks. Be able to work across the business with stakeholders, understand their needs and communicate this into tech teams as requirements More ❯

for gaming and entertainment platforms. Execution & Delivery Define and manage the product roadmap, prioritizing initiatives based on merchant needs, revenue potential, and competitive differentiation. Work closely with engineering, UX / UI, and risk teams to develop and launch new features, ensuring a seamless integration experience for gaming operators. Partner with compliance and legal teams to navigate licensing … compliance, risk, and sales in a fast-paced, high-growth environment. Strong ability to analyze data and use insights to drive product decisions, including A / B testing and experimentation to optimize player deposit flows and withdrawal processes and KPI tracking (e.g., conversion rates, fraud rates, player retention, chargeback rates, and … policies. Test our products Skrill and Neteller. Upon joining we will award you £50 into each wallet. Enjoy our discounts on memberships via vitality including, gyms, leisure centres, yoga / Pilates across the country. Need a new Laptop or TV? We offer support purchasing Apple and LG products via Stormfront technology. Join our six employee-led equality More ❯

At Spotify, we're on a mission to unlock the potential of human creativity by connecting millions of artists with billions of fans around the world. The Search product area is central to that mission-reinventing how users find and connect with content in new and relevant ways. We're looking for a Data Engineer to … join a squad passionate about delivering pioneering search experiences powered by Machine Learning (ML) and Large Language Models (LLMs). In this role, you'll help craft the team's data strategy and build the systems that power smarter, more intuitive discovery on Spotify. You'll work alongside a dedicated mix of ML and Backend Engineers … and data analytics platforms such as BigQuery. You are knowledgeable in cloud-based environments, preferably with an understanding of Google Cloud Platform. You are familiar with A / B testing frameworks and experimentation platforms. You're eager to collaborate with ML teams and understand the unique demands of supporting ML models in production. More ❯

Director Of Marketing About Tecknuovo We are a technology delivery partner, offering a unique service in the undiscovered sweet spot between consultancy and capability development. There’s a better way to deliver consulting services. We do that by freeing our customers from dependency in everything we do. We free them from relying on external … consultants to mobilise services within 14 days. About the role We’re looking for an experienced Director of Marketing to lead our demand generation and brand strategy with a strong emphasis on Account-Based Marketing (ABM). This senior role reports directly to the VP of Sales, reflecting our belief that marketing and sales must operate as one … growth across paid, organic, content, events, and PR Manage and mentor internal team members and external agency partners as needed Optimise performance through data-driven experimentation, A / B testing, and robust analytics Personal Attributes Commercially driven and performance-focused A natural relationship builder who thrives in cross-functional settings Proactive More ❯

Director Of Marketing About Tecknuovo We are a technology delivery partner, offering a unique service in the undiscovered sweet spot between consultancy and capability development. There’s a better way to deliver consulting services. We do that by freeing our customers from dependency in everything we do. We free them from relying on external … consultants to mobilise services within 14 days. About the role We’re looking for an experienced Director of Marketing to lead our demand generation and brand strategy with a strong emphasis on Account-Based Marketing (ABM). This senior role reports directly to the VP of Sales, reflecting our belief that marketing and sales must operate as one … growth across paid, organic, content, events, and PR Manage and mentor internal team members and external agency partners as needed Optimise performance through data-driven experimentation, A / B testing, and robust analytics Personal Attributes Commercially driven and performance-focused A natural relationship builder who thrives in cross-functional settings Proactive More ❯

Director Of Marketing About Tecknuovo We are a technology delivery partner, offering a unique service in the undiscovered sweet spot between consultancy and capability development. There’s a better way to deliver consulting services. We do that by freeing our customers from dependency in everything we do. We free them from relying on external … consultants to mobilise services within 14 days. About the role We’re looking for an experienced Director of Marketing to lead our demand generation and brand strategy with a strong emphasis on Account-Based Marketing (ABM). This senior role reports directly to the VP of Sales, reflecting our belief that marketing and sales must operate as one … growth across paid, organic, content, events, and PR Manage and mentor internal team members and external agency partners as needed Optimise performance through data-driven experimentation, A / B testing, and robust analytics Personal Attributes Commercially driven and performance-focused A natural relationship builder who thrives in cross-functional settings Proactive More ❯

Your task: treat the matching pipeline as a full-scale optimisation problem and raise both accuracy and yield. Core responsibilities Model optimisation - refactor and improve existing matching / segmentation models; design objective functions that balance cost, speed and data quality. Experimentation - set up offline metrics and online A / B tests; analyse … uplift and iterate quickly. Production delivery - build scalable pipelines in AWS SageMaker (moving to Azure ML); containerise code and hook into CI / CD. Monitoring & tuning - track drift, response quality and spend; implement automated retraining triggers. Collaboration - work with Data Engineering, Product and Ops teams to translate business constraints into mathematical formulations. A typical day Morning stand … up: align on performance targets and new constraints. Data dive: explore panel behaviour in Python / SQL, craft new features. Modelling sprint: run hyper-parameter sweeps or explore heuristic / greedy and MIP / SAT approaches. Deployment: ship a model as a container, update an Airflow (or Azure Data Factory) job. Review: inspect More ❯

Your task: treat the matching pipeline as a full-scale optimisation problem and raise both accuracy and yield. Core responsibilities Model optimisation - refactor and improve existing matching / segmentation models; design objective functions that balance cost, speed and data quality. Experimentation - set up offline metrics and online A / B tests; analyse … uplift and iterate quickly. Production delivery - build scalable pipelines in AWS SageMaker (moving to Azure ML); containerise code and hook into CI / CD. Monitoring & tuning - track drift, response quality and spend; implement automated retraining triggers. Collaboration - work with Data Engineering, Product and Ops teams to translate business constraints into mathematical formulations. A typical day Morning stand … up: align on performance targets and new constraints. Data dive: explore panel behaviour in Python / SQL, craft new features. Modelling sprint: run hyper-parameter sweeps or explore heuristic / greedy and MIP / SAT approaches. Deployment: ship a model as a container, update an Airflow (or Azure Data Factory) job. Review: inspect More ❯

Realize your potential by joining the leading performance-driven advertising company! The Taboola News team works directly with Original Equipment Manufacturers, Mobile Carriers, and apps globally to deliver a high quality, high engagement content experience on mobile devices. Taboola’s personalized content recommendations now come packaged with devices from Samsung, Xiaomi, Oppo, Huawei, ZTE, Vivo and many more. … to be at the forefront of one of Taboola’s most exciting and innovative products. To thrive in this role, you’ll need: Prior experience working with OEMs – a strong advantage! Proven results in a customer-facing role; ability to build strong relationships with a diverse set of internal and external constituencies including senior … up requirements. Good analytical skills – providing ongoing reporting, analysis of data and ability to identify trends and improve key metrics, including work with Product Management on A / B Testing and optimization. Track record of closing business and driving long and complex sales cycles. Highly motivated, proactive, dedicated, resourceful and creative to ensure More ❯

Realize your potential by joining the leading performance-driven advertising company! The Taboola News team works directly with Original Equipment Manufacturers, Mobile Carriers, and apps globally to deliver a high quality, high engagement content experience on mobile devices. Taboola’s personalized content recommendations now come packaged with devices from Samsung, Xiaomi, Oppo, Huawei, ZTE, Vivo and many more. … to be at the forefront of one of Taboola’s most exciting and innovative products. To thrive in this role, you’ll need: Prior experience working with OEMs – a strong advantage! Proven results in a customer-facing role; ability to build strong relationships with a diverse set of internal and external constituencies including senior … up requirements. Good analytical skills – providing ongoing reporting, analysis of data and ability to identify trends and improve key metrics, including work with Product Management on A / B Testing and optimization. Track record of closing business and driving long and complex sales cycles. Highly motivated, proactive, dedicated, resourceful and creative to ensure More ❯

URGENT! EXCITING OPPORTUNITY! REMOTE ROLE: PAID SEARCH / PPC / GOOGLE ANALYTICS / AB TESTING / GOOGLE ADS CERTIFICATION Diamond Search Recruitment are delighted to be exclusively representing our client, an exciting and fast paced agency, who are recruiting for a Paid Specialist. Join a highly successful team and help … Paid Media experience (minimum). Google Ads certification (Search and Display). Proven experience in building and optimising campaigns on Google (mandatory) and Meta (mandatory); Microsoft experience is a plus. Experience with paid advertising platforms, including Google Ads, Microsoft Advertising, Meta Ads, and LinkedIn Ads. Strong analytical skills for interpreting data and optimising campaign performance. Facebook Blueprint certification … is desirable but not essential The Paid Specialist will be rewarded with a salary of £30,000+, depending on experience, plus excellent company benefits. What are you waiting for? APPLY TODAY! Diamond Search Recruitment is acting as an Employment Agency in regard to this vacancy. More ❯

We are searching for a highly motivated and driven Email Marketing Executive for a business that builds automated ecosystems that drive millions in revenue for high-performing financial services, online trading and fintech brands. Our client is a Klaviyo and Omnisend Partner and all their campaigns are data-driven, automation-led, and performance-obsessed. … campaigns, newsletters, and announcements - and report on results with clarity and confidence. You will work directly in Klaviyo and Omnisend - building out flows, lists, campaigns, segments, A / B tests and analytics. You will be expected to stay on top of best practices, industry updates, and deliverable guidelines. Successful candidates will be / have … Parking. Real Growth and Development Opportunities. Dress-down and Fun Environment. Lots of Company and Team Events throughout the year. KEYWORDS Email Marketing Executive, Klaviyo, Omnisend, A / B Tests, Analytics Please note that due to a high level of applications, we can only respond to applicants whose skills and qualifications are suitable More ❯

At Feeld, we are creating a world where everyone is more intimately connected to each other and themselves. We are building an inclusive, human-centered product and are looking for a Digital Designer, Web to become part of our remote team and our mission to elevate the human experience of sexuality and relationships. You will be … performing, and user-centric design. To be right for this role, you should have deep experience designing for the web, an eye for detail and art direction, and a curiosity for experimentation and iteration grounded in real-world performance. What you will do: Design, develop, and evolve responsive landing pages and campaign sites that express our brand and … and accessible design, and you build with care for diverse audiences Bonus points: You are interested in creating emotionally resonant digital experiences You have experience with A / B testing tools and CRO workflows You have worked with modern CMS or no-code platforms (e.g. Webflow, Framer, Sanity) You are excited by the More ❯

open-ended technical requirements, and the ability to solve problems on the fly. Skilled in working with data and understanding the principles of product analytics and A / B testing. Ability to quickly adapt to changes, collaborate effectively with other departments, and formulate technical solutions aligned with business goals is essential. Willingness to learn new … Engineer, with at least 3 years in .NET and C# 2+ years of experience in product companies (SaaS) 2 years of commercial experience with modern web frameworks like React / Angular / Vue Passion and strong skill for writing clean, maintainable, and testable code and well-documented C# code Experience with writing and maintaining Unit tests and E2E … projects with open technical specifications, and the ability to solve problems "on the fly." Proficient in data analysis, with an understanding of product analytics principles and A / B testing. Ability to quickly adapt to changes is crucial. Effectively collaborate with other departments. Formulate technical solutions aligned with business goals. Willingness to learn new technologies More ❯

We are searching for a highly motivated and driven Email Marketing Executive for a business that builds automated ecosystems that drive millions in revenue for high-performing financial services, online trading and fintech brands. Our client is a Klaviyo and Omnisend Partner and all their campaigns are data-driven, automation-led, and performance-obsessed. … In this role you will be responsible for email strategy, setup, and execution, with the support of a very talented and creative technical team. Your duties will include: Planning, building and optimising high-performing automated flows - welcome sequences, abandoned cart, win-back, post-purchase and more. You will brief and collaborate with Designers to bring every email to … campaigns, newsletters, and announcements - and report on results with clarity and confidence. You will work directly in Klaviyo and Omnisend - building out flows, lists, campaigns, segments, A / B tests and analytics. You will be expected to stay on top of best practices, industry updates, and deliverable guidelines. Successful candidates will be / have More ❯

About Instantly.ai Instantly.ai is the leading AI-powered sales outreach and lead intelligence platform helping over 35K companies from around the world. Role Overview We’re looking for a full stack Head of Growth to own and accelerate our go-to-market engine. You’ll define and execute strategies across demand generation, partnerships, product-led growth, and user … Product to build in-app hooks, referral loops, onboarding flows, and expansion motions. Data & Analytics: Establish and track KPIs (CAC, LTV, MRR expansion, conversion funnels); conduct A / B tests to optimize channels and messaging. Team Leadership: Hire, mentor, and scale a high-performance growth team covering marketing ops, content, paid acquisition, and … partner management. What You Bring Experience with growth or marketing leadership at a SaaS company. Proven track record scaling pipelines from mid-market to enterprise. Deep expertise across paid media, SEO, content, PLG, and partnerships. Excellent communication skills and ability to align cross-functional teams. Hands-on mentality with a bias for action in a More ❯

Senior Data Analyst International Logistics Scale-Up 🚚🚀 💸 £65k – £85k 📍London hybrid 3 days per week We're working with a tech-first logistics company with a focus on sustainable delivery. We’re hiring for a Senior Data Analyst to help support their sustained growth. You'll sit in a small, high-impact … your work will directly shape smarter routing decisions across thousands of daily jobs Autonomy and ownership – you’ll work end-to-end, from KPI definition to A / B test analysis Tech-focused environment – strong use of Python, R, and SQL, plus real buy-in from stakeholders Mission-driven – this team genuinely cares about reducing … carbon and optimising for good The setup: You'll be part of a tight-knit team, meaning you have visibility and the opportunity to see the direct impact of your work Close collaboration with pricing and optimisation squads International business, with stability and credibility in the logistics space Ideal fit: Confident, senior level analyst background in logistics, delivery More ❯

Senior Data Analyst International Logistics Scale-Up 🚚🚀 💸 £65k – £85k 📍London hybrid 3 days per week We're working with a tech-first logistics company with a focus on sustainable delivery. We’re hiring for a Senior Data Analyst to help support their sustained growth. You'll sit in a small, high-impact … your work will directly shape smarter routing decisions across thousands of daily jobs Autonomy and ownership – you’ll work end-to-end, from KPI definition to A / B test analysis Tech-focused environment – strong use of Python, R, and SQL, plus real buy-in from stakeholders Mission-driven – this team genuinely cares about reducing … carbon and optimising for good The setup: You'll be part of a tight-knit team, meaning you have visibility and the opportunity to see the direct impact of your work Close collaboration with pricing and optimisation squads International business, with stability and credibility in the logistics space Ideal fit: Confident, senior level analyst background in logistics, delivery More ❯

Senior Data Analyst International Logistics Scale-Up £65k – £85k London hybrid 3 days per week We're working with a tech-first logistics company with a focus on sustainable delivery. We’re hiring for a Senior Data Analyst to help support their sustained growth. You'll sit in a small, high-impact … your work will directly shape smarter routing decisions across thousands of daily jobs Autonomy and ownership – you’ll work end-to-end, from KPI definition to A / B test analysis Tech-focused environment – strong use of Python, R, and SQL, plus real buy-in from stakeholders Mission-driven – this team genuinely cares about reducing … carbon and optimising for good The setup: You'll be part of a tight-knit team, meaning you have visibility and the opportunity to see the direct impact of your work Close collaboration with pricing and optimisation squads International business, with stability and credibility in the logistics space Ideal fit: Confident, senior level analyst background in logistics, delivery More ❯

Technical CRM Automation Manager Location: Cossington (Hybrid, 2 days / week in office) Salary: £60,000 + 5% Bonus The Company A private-equity backed membership platform offering exclusive discounts to emergency services, healthcare professionals, and key workers. With over 4 million global members and 15,000+ brand partners, the business has scaled rapidly in recent years … grow internationally. Operating across multiple membership verticals and events platforms, the business combines strong consumer loyalty with continued investment into CRM and digital capabilities. The Role This is a hands-on Technical CRM Automation Manager position sitting within the Lifecycle CRM function. You’ll lead on CRM campaign build and automation within Braze, manage complex multi-channel customer … data feeds, segmentation, Liquid logic, and event-based triggers Maintain modular email templates and Connected Content feeds for dynamic personalisation Analyse CRM campaign performance and run A / B tests to improve engagement and conversions Collaborate with analytics and commercial teams to align CRM activity to business KPIs Skills & Experience Essential: Proven CRM automation or More ❯

Location: Remote Salary : £65,000 – £75,000 Type: Full-Time About Us: We’re an IT company operating multiple online dating businesses. Our product operates on a credit-based messaging system, and we’re focused on increasing user lifetime value, retention, and monetization. We already have a dedicated Data Analyst who creates all reporting and dashboards … in Tableau — now we’re looking for a Business Analyst who can interpret that data and help us act on it. About the Role: As our Business Analyst, you’ll be the bridge between data and growth. Your role is to turn Tableau dashboards and data reports into clear, actionable business decisions. You’ll work closely with Product … features that improve retention and monetization. Work with the CRM Specialist to uncover campaign opportunities based on user behavior and lifecycle triggers. Help design and analyze A / B tests (pricing, upsells, onboarding flows, etc.). Build business cases and revenue forecasts for new product or campaign initiatives. Track business health through weekly and monthly More ❯

Location: Remote Salary : £65,000 – £75,000 Type: Full-Time About Us: We’re an IT company operating multiple online dating businesses. Our product operates on a credit-based messaging system, and we’re focused on increasing user lifetime value, retention, and monetization. We already have a dedicated Data Analyst who creates all reporting and dashboards … in Tableau — now we’re looking for a Business Analyst who can interpret that data and help us act on it. About the Role: As our Business Analyst, you’ll be the bridge between data and growth. Your role is to turn Tableau dashboards and data reports into clear, actionable business decisions. You’ll work closely with Product … features that improve retention and monetization. Work with the CRM Specialist to uncover campaign opportunities based on user behavior and lifecycle triggers. Help design and analyze A / B tests (pricing, upsells, onboarding flows, etc.). Build business cases and revenue forecasts for new product or campaign initiatives. Track business health through weekly and monthly More ❯

and 10,000+ locations , available in 20 languages . Our platform helps travellers make the most of their journey by giving them freedom from their bags. We’re a laid-back but focused remote team (this role will be based as a 2-3 day per week hybrid in London) that thrives on collaboration and innovation. … Twice a year, we meet up at amazing locations (think castles and resorts) for team ‘camps’ that mix strategy and fun. 🎯 The Role: Product Manager (Core KPIs & Growth) We’re looking for a Product Manager to join our remote team and take ownership of our core product growth , experimentation, and strategic product initiatives. Your mission is … North-Star KPIs & OKRs : Define and own critical metrics Epic-Level Planning : Translate research and insights into measurable, time-boxed initiatives that move our core metrics. A / B Test Strategy : Set hypotheses, experiment gates, sample size logic, and lead experiment prioritisation. Cross-Functional Collaboration : Align SEO, marketing, engineering, partnerships, and leadership around shared goals. More ❯

and 10,000+ locations , available in 20 languages . Our platform helps travellers make the most of their journey by giving them freedom from their bags. We’re a laid-back but focused remote team (this role will be based as a 2-3 day per week hybrid in London) that thrives on collaboration and innovation. … Twice a year, we meet up at amazing locations (think castles and resorts) for team ‘camps’ that mix strategy and fun. 🎯 The Role: Product Manager (Core KPIs & Growth) We’re looking for a Product Manager to join our remote team and take ownership of our core product growth , experimentation, and strategic product initiatives. Your mission is … North-Star KPIs & OKRs : Define and own critical metrics Epic-Level Planning : Translate research and insights into measurable, time-boxed initiatives that move our core metrics. A / B Test Strategy : Set hypotheses, experiment gates, sample size logic, and lead experiment prioritisation. Cross-Functional Collaboration : Align SEO, marketing, engineering, partnerships, and leadership around shared goals. More ❯