226 to 250 of 401 A/B Testing Jobs

Principal Machine Learning Engineer, Matching & Recommendations

Location
Greater London, England, United Kingdom
processing technologies such as Spark and Airflow with model training, evaluation, deployment and monitoring workflows. Define and evolve experimentation strategies, including A / B testing, offline evaluation and online measurement , to continuously improve model performance and product outcomes. Partner cross‐functionally with Product … hesitate to let us know how we can help. In your application, please feel free to note which pronouns you use (For example: she / her, he / him, they / them, etc). AI in Bumble Inc. Hiring At Bumble, we may use AI tools ...

Senior Backend Engineer - Revenue

Location
Greater London, England, United Kingdom
Head of Pricing to implement commercial initiatives and new pricing capabilities. Build reliable, scalable and observable systems using modern engineering practices, including CI / CD, automated testing and monitoring. Contribute to technical design, architecture discussions and peer reviews. Continuously improve the performance, scalability and resilience of revenue … backend services and REST APIs Strong SQL skills and experience working with relational databases Familiarity with AWS or similar cloud environments Experience with CI / CD pipelines and automated testing Strong understanding of software architecture, scalability and system design Excellent communication skills and the ability to explain ...

Localization Manager

Location
Greater London, England, United Kingdom
well here if you want to own outcomes end-to-end and can handle a vendor escalation and a go / no-go call on the same day. What You'll Do Own the lifecycle for your portfolio. From string freeze to general availability — initiation … workflows, keep handoffs clean between stakeholders, and maintain the assets that make repeatable launches possible: scoping models, timelines, locale-readiness checklists, go / no-go criteria. Keep your spend on track. The Localization Lead owns the budget; you look after your corner of it. Track translation costs per product ...

Applied Scientist (Marketplace)

Location
Greater London, England, United Kingdom
checking the logic and validating the output so errors are caught before they reach a stakeholder. Design and interpret A / B tests: set the success metrics, size the sample properly and call it when a result is underpowered rather than … meet you.) What you get Competitive salary, annual bonus & equity scheme Health, wellbeing and learning support Gym membership, Smart Tech Scheme, Cycle Scheme Birthday / special day leave, buy & sell holiday scheme 1 week's paid charity leave, and more About us We're Checkatrade - the UK's leading ...

Head of Product (Credit Technologies)

Location
England, United Kingdom
opportunity Credit Technologies is looking for a hands‐on product leader to take clear ownership of our product function and customer experience. This person will set product direction, strengthen collaboration with engineering, and ensure our new propositions move seamlessly from strategy to well‐defined, commercially successful customer experiences … Experience in a scale‐up or entrepreneurial business where product leaders remain close to execution. Experience with user feedback A / B testing features / products and customer experience. Hands on experience with AI, building prototypes in platforms and using ...

Engineering Manager

Location
Greater London, England, United Kingdom
develop, promote Collaborate across disciplines to turn product ideas into reality What you bring 6+ years coding in Scala, Java, Kotlin or Objective-C / Swift 4+ years managing engineers and leading teams Solid track record of hiring, mentoring and building inclusive cultures Deep understanding of software engineering best … mindset - you care about the user, not just the stack Nice to have Exposure to ML or data-powered products Hands-on with CI / CD and DevOps tooling Background in consumer tech or mobile apps A / B testing know ...

Discovery Solutions Architect

Location
City of Westminster, England, United Kingdom
expected salary range for this role is £36,000 - £45,000 (based on experience). Contract type: Permanent. Location - London Pimlico Working pattern / flexible working: We know flexible working is important to you, and it is important to us too. The Partnership has adopted a blended … Contribution: Contribute positively to team culture, peer development, and the democratic principles of the Partnership, taking shared co-ownership of team goals. Essential skills / experience you’ll need Technical & Architectural Expertise: Proven experience in a technical SEO, digital solutions architecture, or data analytics role within a ...

Senior Data Scientist - AI & Machine Learning

Location
Welwyn Garden City, England, United Kingdom
healthcare challenges.* **Build Scalable Pipelines:** Partner with data engineers and global IT teams to ensure AI solutions are scalable, secure, and integrated with CI / CD and MLOps standards.* **Bridge Tech and Strategy:** Translate complex algorithmic outputs and statistical concepts into clear, high-impact business strategies for senior stakeholders. … machine learning models in Python, SQL, and modern AI frameworks.* **Advanced Causal Inference & Modeling:** Proven expertise in causal inference techniques (e.g., A / B testing, propensity score matching, synthetic controls) to isolate and measure true incremental business impact.* **Cross-Functional Leadership:** Demonstrated ability ...

UX Designer

Location
Slough, England, United Kingdom
with AEO and content strategists Champion \"agent-first\" UX principles across the team, from information architecture to component choice Use analytics, A / B testing, personalisation (Adobe Target) and AI citation data to validate and improve design decisions Design mobile-first across … content strategists and marketing managers to turn business and AEO requirements into intuitive user experiences What you'll bring 5+ years in Digital UX / UI design, ideally within a regulated industry (asset management, financial services, or complex B2B) Strong skills in mobile-first design, information architecture ...

UX Design Researcher

Location
City Of London, England, United Kingdom
Sportsbook & iGaming London | Hybrid, 2 days per week in the office Up to £50,000 + 10% performance bonus We’re looking for a talented UX Designer to join a growing digital product team working across multiple consumer-facing brands, with a particular focus … casino would be highly desirable, particularly if you've worked on complex customer journeys within betting or gaming products. Experience with A / B testing would also be beneficial. What's On Offer? Salary up to £50,000 10% performance bonus Hybrid working ...

Demand Generation Lead

Location
Greater London, England, United Kingdom
human history, yet businesses and individuals hit friction at every turn, and government policy lurches with the political cycle. Our vision is simple: a world where borders are no longer barriers, empowering the ambitious, wherever they are. Backed by Entrepreneur First and Backed.VC, we’re already supporting 900+ … team Set up a weekly funnel report and a testing backlog By 90 days: Multiple A / B tests live each month across the website and demo flow across MQL channels MQL-to-demo rate improving month on month ...

Growth Lead

Location
Greater London, England, United Kingdom
engineering team to optimize onboarding flows, feature adoption, and monetization strategies Build a growth machine: Establish frameworks for experimentation, A / B testing, and data‐driven decision making across all growth initiatives Optimize for developers: Craft messaging, content, and campaigns that … scaling self‐serve acquisition and driving measurable growth across the full funnel Deep expertise in digital marketing channels including SEO, paid acquisition, content, lifecycle / email marketing, and conversion optimization Data‐driven mindset: You live and breathe metrics, run experiments constantly, and let data guide decisions Developer marketing experience ...

Data Analyst

Location
Greater London, England, United Kingdom
Product Analytics. Typically around five years' relevant experience, although slightly less may be considered where technical and commercial capability is particularly strong. Strong SQL / MySQL skills. Experience writing and optimising SQL queries. Strong Power BI experience. Experience developing and maintaining dashboards and reporting. Proven ability to translate data … EdTech, assessment or similar digital products. Experience within subscription-based or SaaS environments. Looker, Tableau or similar visualisation tools. Experience with A / B testing or experimentation platforms. Experience within global or multicultural organisations. Understanding of Agile product development. Experience contributing to data ...

Website Manager

Location
United Kingdom
experiences that matter? At Animal Friends, our customers and their pets are at the heart of everything we do. We are looking for a highly skilled Website Manager to take ownership of our digital presence. If you thrive in a culture that values fun, hard work … with company goals and seamlessly serves both prospective and existing customers. Optimise the Journey: Lead landing page improvements, CTA enhancements and A / B testing to elevate UX and boost conversion rates. Own the Data: Administer our Google Analytics 4 property, manage ...

Senior Data Scientist - Business Operations

Location
Greater London, England, United Kingdom
Automate wherever possible; redoing analyses by hand is slow and error‐prone. Measure impact with discipline. Design measurement strategies from simple A / B tests to quasi-experimental designs (synthetic control, difference‐in‐differences, event studies) when trials aren’t feasible, always with conservative, assumption … problem or decision, develop hypotheses, and use data and business context to reach a clear point of view. Experience with experimentation and / or causal inference is a strong plus: the ability to unpick insights and steer strategic decisions. Excellent communication skills, in person ...

Tech Lead Machine Learning Engineer

Hiring Organisation
eBay
Location
Amsterdam, Noord-Holland, Netherlands
Employment Type
Permanent
Salary
EUR Annual
edge AI at eBay. Verantwoordelijkheden Develop agentic workflows, evaluations, and models for various surfaces at eBay Collaborate with applied researchers and engineers with NLP / LLMs, recommender systems, and ML production engineering expertise Influence how users interact with recommender systems and how the technology evolves Handle large unstructured multimodal … deploy state-of-the-art AI models Deploy big data technologies and large-scale data pipelines Drive marketplace growth through iterative A / B testing Belangrijkste vereisten MS / PhD in Computer Science or related area with 6+ years (or BS / ...

Android Developer - Ecommerce International Giant - Manchester

Hiring Organisation
Ventula Consulting
Location
Manchester, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 550 - 600 Daily
focus on quality and detail You enjoy solving real user problems with simple, thoughtful solutions You're comfortable working in cross-functional teams (Agile / Scrum) You communicate clearly and collaborate easily with non-engineers You're curious and open to learning - both technically and on the product side … take ownership and like seeing your work make a real impact Experience with A / B testing, experimentation, or analytics tools is a plus You use AI in your everyday job, or you used it on some personal project ...

CRM Manager

Location
Manchester, England, United Kingdom
troubleshoot integrations (Shopify, custom events, product feeds). Support migrations and rebuilds from other platforms. Own data quality during builds and migrations: event / schema validation, field mapping, test runs, and post-cutover QA. Contribute to segmentation and personalisation design based on behavioural and transactional data. Implement consent … make decisions. Define measurement plans and KPIs with stakeholders, ensuring tracking is reliable. Identify optimisation opportunities across journeys and campaigns. Support A / B testing and performance analysis. Improve internal delivery standards, QA checklists, and documentation. What We're Looking ...

Frontend Lead

Location
England, United Kingdom
. Key Responsibilities: Design and build a high-performance frontend framework using React.js and Micro Frontend (MFE) architecture . Implement SSR / CSR hybrid strategies to optimize rendering, SEO, and page performance. Architect and optimize the BFF layer to enhance frontend-backend interactions. Improve frontend performance using … edge caching. Collaborate with backend engineers to optimize API designs and system efficiency. Define best practices for state management using Redux and Redux-Saga / Thunk for handling complex application flows. Optimize frontend applications for speed, security, and scalability in GCP environments. Lead, mentor, and coach frontend engineers, promoting ...

Martech Product Owner Associate

Location
Greater London, England, United Kingdom
Coordinate integrations and change management across teams Required Qualifications, Capabilities, and Skills Significant experience in product ownership, product management, or Martech delivery in enterprise / B2B settings Hands-on agile execution (Scrum or Kanban) with strong story writing and backlog management skills Strong analytical and problem-solving abilities; comfortable … data platforms, audience segmentation, and journey orchestration Familiarity with APIs, webhooks, and integration patterns; basic SQL or data querying Expertise in A / B testing and messaging channels (email, push, in-app, SMS) Cloud experience (AWS, GCP, or Azure) Progressive delivery and release ...

Front-end Web Developer (Mid‐Level)

Location
Greater London, England, United Kingdom
worldwide reach with local expertise. With over 45 years of market experience, two banking licences and offices in 11 countries, our technology delivers 24 / 7 accessibility, while our people deliver award-winning service. In 2024, we supported $1tn+ of payment volume, reaching 190 countries in 130 currencies. … centric website that supports acquisition, engagement, and conversion. You will build and maintain responsive pages, reusable components and content building blocks using HTML, CSS / SCSS, JavaScript, React, Next.js and Contentful. You will partner closely with Design, Marketing, Sales and RevOps teams to ensure the site remains scalable, performant ...

Data Analyst

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
looking for a Staffing Data Analyst to join a high-performing analytics team within a global technology and entertainment organisation. This is a hybrid working role from the company's London offices. This is an experienced individual contributor role for someone … working across multiple teams and influencing senior stakeholders The ability to turn complex data into clear, commercially relevant insight Experience with A / B testing, experimentation, causal inference, forecasting or scenario modelling An understanding of data science workflows and experimentation Experience mentoring analysts ...

Marketing Channels & Distribution Manager

Location
Greater London, England, United Kingdom
teams to launch integrated marketing campaigns for major platform rollouts. Mentor and upskill marketing team members on modern channel optimization techniques, A / B testing frameworks, and MarTech tooling. Direct external agency, media buyer, and vendor relationships to ensure high-impact campaign execution … budget efficiency. About You Ideally you’ll have / be: Strong experience leading channel marketing, digital performance distribution, or growth initiatives within a B2B SaaS, green-tech, or enterprise tech environment. Proven technical domain mastery across multi-channel distribution methods, including paid media, SEO / ...

Marketing Channels & Distribution Manager

Location
City of Edinburgh, Scotland, United Kingdom
teams to launch integrated marketing campaigns for major platform rollouts. Mentor and upskill marketing team members on modern channel optimization techniques, A / B testing frameworks, and MarTech tooling. Direct external agency, media buyer, and vendor relationships to ensure high-impact campaign execution … budget efficiency. About You Ideally you'll have / be: Strong experience leading channel marketing, digital performance distribution, or growth initiatives within a B2B SaaS, green-tech, or enterprise tech environment. Proven technical domain mastery across multi-channel distribution methods, including paid media, SEO / ...

Website and SEO Manager

Hiring Organisation
Walker and Sloan Ltd
Location
Swindon, Wiltshire, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £50,000 per annum
Walker and Sloan are proud to be partnering with a financial services / business consultancy in Swindon as they are keen to bring on a Website and SEO Manager to the team on a full time basis . Salary: Competitive Hybrid - 3 days … experience across the website. Continuously optimise website usability, navigation, content structure, and conversion paths. Conduct user behaviour analysis, customer journey mapping, A / B testing, and conversion optimisation initiatives. Use customer insights, analytics, heatmaps, and performance data to improve engagement and conversion rates. ...