301 to 325 of 392 A/B Testing Jobs

Web Performance Engineering Lead

Location
United Kingdom
findings into a prioritised, commercially weighted performance roadmap. Build and run experiments, from quick front-end variants to full A / B tests and feature-flagged releases, and use the results to shape what we build next. Protect our tracking and measurement, working … build the monitoring that catches performance and tracking regressions before they become commercial problems. Ideal Candidate Strong commercial front-end engineering experience (JavaScript / TypeScript, HTML, CSS, modern frameworks) and comfortable taking ownership of a high-traffic ecommerce website. You genuinely know your way around Core ...

Web Performance Engineering Lead

Hiring Organisation
Protein Works
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent, Work From Home
findings into a prioritised, commercially weighted performance roadmap. Build and run experiments, from quick front-end variants to full A / B tests and feature-flagged releases, and use the results to shape what we build next. Protect our tracking and measurement, working … build the monitoring that catches performance and tracking regressions before they become commercial problems. Ideal Candidate Strong commercial front-end engineering experience (JavaScript / TypeScript, HTML, CSS, modern frameworks) and comfortable taking ownership of a high-traffic ecommerce website. You genuinely know your way around Core ...

Assistant Digital Marketing Manager

Location
United Kingdom
love to live in. Were home to DFS, Sofology, and The Sofa Delivery Company: three brands with their own personalities, brought together by a shared mission. Behind our brands is a passionate Group team. From Finance and Technology to People, Marketing and Supply Chain, our Group … feed & briefing relevant development work required Ability to report on digital marketing metrics & using the data to make optimisation decisions (including A / B testing) Briefing creative requirements aligned to platform best practices Ability to set up, manage & optimise campaigns within Meta, Pinterest ...

Assistant Digital Marketing Manager

Hiring Organisation
DFS Head Office
Location
Doncaster, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
love to live in. Were home to DFS, Sofology, and The Sofa Delivery Company: three brands with their own personalities, brought together by a shared mission. Behind our brands is a passionate Group team. From Finance and Technology to People, Marketing and Supply Chain, our Group … feed & briefing relevant development work required Ability to report on digital marketing metrics & using the data to make optimisation decisions (including A / B testing) Briefing creative requirements aligned to platform best practices Ability to set up, manage & optimise campaigns within Meta, Pinterest ...

Senior Android Engineer

Hiring Organisation
Motorway
Location
London, UK
Employment Type
Full-time
house Server-Driven UI framework, enabling rapid feature delivery and dynamic experiences without app releases. Building and maintaining our mobile infrastructure - CI / CD pipelines with GitHub Actions, App Store deployment workflows, and our automated UI testing platform. Championing best practices and the highest standards for mobile … taking the initiative. You could be a great fit ifYou have experience building complex reusable modules. You have integrated modern ML / AI technology into app journeys. You thrive when given ownership and autonomy. You're passionate about building the best products possible with the latest technologies ...

Senior iOS Engineer

Hiring Organisation
Motorway
Location
London, UK
Employment Type
Full-time
house Server-Driven UI framework, enabling rapid feature delivery and dynamic experiences without app releases. Building and maintaining our mobile infrastructure - CI / CD pipelines with GitHub Actions, App Store deployment workflows, and our automated UI testing platform. Championing best practices and the highest standards for mobile … taking the initiative. You could be a great fit ifYou have experience building complex reusable modules. You have integrated modern ML / AI technology into app journeys. You thrive when given ownership and autonomy. You're passionate about building the best products possible with the latest technologies ...

Digital Graphic Designer

Hiring Organisation
Trespass
Location
Glasgow, Scotland, United Kingdom
Head of Ecommerce Location: Glasgow, office based Salary: Dependent on experience Hours: 42.5 hours per week (8.30am to 5.30pm) Company Introduction Trespass is a leading outdoor clothing and equipment brand known for its commitment to performance, quality, and affordability. With over 300 retail stores worldwide and an established … Kling or similar. Experience creating short-form video and motion graphics. Knowledge of Figma or modern collaborative design platforms. Understanding of A / B testing and conversion optimisation. Experience working with Digital Asset Management systems. Basic understanding of automation platforms and AI workflows. ...

Senior/Lead Data Scientist -Credit Risk Modeling

Hiring Organisation
Klarna
Location
London, UK
Employment Type
Full-time
credit risk models sit at the heart of how we underwrite and price risk for millions of consumers globally. We're looking for a Lead Data Scientist to help shape the next generation of consumer-level credit scoring and portfolio valuation models. What you'll do As a … features from unstructured data (e.g., customer communications, credit applications). Knowledge of integrating third-party credit bureau data into production models. Understanding of champion / challenger model frameworks and A / B testing infrastructure. Exposure to loan-level economic modeling, including cost ...

Full Stack Developer

Hiring Organisation
Digital Skills Ltd
Location
Manchester, Lancashire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Hourly
experience as a Full Stack Engineer. Excellent Java development experience, including modern web services and APIs. Strong Front End expertise with JavaScript / TypeScript and React. Experience working with Micro Frontends (MFE) and Backend-for-Frontend (BFF) architectures. Proven experience with AWS and cloud-based deployment environments. … working skills. Nice to Have Experience with Agentic AI, AI-powered development tools, or AI-enabled product features. Exposure to Kubernetes, Docker and CI / CD tooling. Understanding of monitoring, observability, SLIs and SLOs. Experience working on large-scale consumer-facing platforms. Knowledge of experimentation, analytics and A ...

Senior Software Engineer, Search and Recommendations

Location
Cambridge, England, United Kingdom
platform. We work very closely with the product team and pride ourselves on quickly iterating on features from prototypes to A / B tests to eventual release to all users. It's still early days for this platform, with plenty of challenging and interesting problems … platform products and services, used both by Roku engineers from across the company, and directly by consumers across millions of devices Work with Product / Design teams to iterate and build software, taking a concept from ideation to its production deployment and support Lead efforts to evaluate ...

Senior Data Scientist

Hiring Organisation
Deliveroo
Location
London, UK
Employment Type
Full-time
domain expertise to influence roadmaps. Experimentation and measurement: Design and lead measurement strategies that drive product direction, ranging from simple A / B tests to complex experimental designs. You will be equally capable of applying alternative causal inference techniques when standard trials aren't feasible … demonstrating an ability to successfully address complex and ambiguous challenges. Ability to think creatively and insightfully about business problemsProficiency with analytical tools like R / Python and familiarity with SQL. Proficiency with Cursor / AI tools to deliver impactful, high quality work efficiently is also valuedWhy Join ...

Technical Product Manager

Hiring Organisation
HUKM Development
Location
Buckinghamshire, England, United Kingdom
Python, Java, or .NET Understanding of SQL and NoSQL databases and data modelling Familiarity with cloud platforms (AWS, Azure, or Google Cloud) and CI / CD, DevOps, and release practices Knowledge of authentication and authorisation protocols including OAuth2, JWT, and API security best practice Proficiency with API documentation tools … such as Swagger / OpenAPI or Postman Experience with agile tooling such as Jira, Azure DevOps, or Linear Strong technical writing: PRDs, technical specifications, and API documentation Comfortable defining and tracking product metrics and KPIs, including A / B testing Able ...

Head of Performance Marketing

Hiring Organisation
Recruitment Solutions (North West) Ltd
Location
Manchester, Lancashire, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
search, paid social, affiliates, programmatic, display, YouTube and SEO ensuring optimal channel mix and investment. Deliver customer acquisition and revenue targets with clear ROI / ROAS, and CPA benchmarks across all digital channels. Forecast traffic, spend, revenue, and contribution margin, to support financial planning and strategic trade decisions. Increase … marketing profitability by continuously optimising campaigns, media buying, and targeting strategies using A / B testing, econometrics, and data modelling. Lead upper-funnel strategies (Awareness and consideration) to fuel the customer pipeline and align with brand and CRM initiatives. Deeply understand the digital ...

Senior Data Scientist

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - £450 per day
live ML model suite without needing to overhaul the underlying architecture. Keep an eye on model performance and drift. Commercial Analytics: Monitor baseline UK / CA performance metrics, investigate sudden anomalies, and triage operational issues across partner feeds, marketing campaigns, and recommendation logic. A / B … under tight turnaround times. Cross-Functional Ownership: Act as the single point of contact for technical data matters across product, marketing, engineering, and legal / compliance teams. Essential Skills 5+ Years Experience: Proven track record in live, production-grade data science and commercial analytics. Technical Stack: Advanced ...

Business Intelligence Analyst, GBM

Hiring Organisation
TikTok
Location
London, UK
Employment Type
Full-time
it. This role sits at the heart of that shift. About the RoleGBM Strategy & Operations exists to transform strategic ambition into operational reality. A core part of that is ensuring that every marketing initiative we run, across every hub sub-function and every region, is measured against what … Strong SQL skills, with the ability to independently explore, transform, and validate data. Proficiency in Python for advanced analysis. Experience with A / B testing and experimental design.- Proficiency in building visualizations and reports using tools like Looker, Tableau, or similar.- Commercially oriented ...

Salesforce Developer - Manchester or Inverness, Scotland - 6 months+

Hiring Organisation
Octopus Computer Associates
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
Salesforce Developer - Manchester or Inverness, Scotland - 6 months+ / RATE: £595 per day inside IR35 One of our Blue Chip Clients is urgently looking for a Salesforce Developer. Please find some details below: IR35 Status: PAYE via Umbrella company only Job Description: Description and Location Salesforce support … Analytics Salesforce Sales Cloud and Marketing Cloud Developer (B2) with 4-6 years of IT experience and 2-3 years in Marketing / Sales Cloud to develop and execute multi-channel marketing campaigns and automation solutions. Key Requirements Strong hands-on experience in Salesforce Sales and Marketing Cloud modules ...

Braze CRM Lifecycle Architect — Remote UK

Location
Greater London, England, United Kingdom
Location: Hybrid / Remote in the UK | Department: CRM Marketing | Employment Type: Full-Time About Tripadvisor The Tripadvisor Group connects people to experiences worth sharing, and aims to be the world’s most trusted source for travel and experiences. We leverage our brands, technology, and capabilities to connect … teams to diagnose integration and data flow issues. Proactively identify risks and implement scalable solutions. Drive experimentation and performance optimization Design A / B tests with clear hypotheses and measurable success criteria. Analyze performance data to improve audience targeting, customer journeys, and content effectiveness. Share ...

Paid Social Manager - Performance

Hiring Organisation
Handle Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
immediately available Paid Social Manager to lead paid social campaigns for some of the UK's most beloved consumer media brands! *This is a temporary contract initially with the potential to convert to a perm role. Hybrid working in London, day rate equivalent … will: Lead and optimise paid social campaigns across multiple clients and platforms Develop creative strategies and audience targeting approaches, including A / B testing Manage relationships with internal and external stakeholders, acting as the primary point of contact Oversee campaign setup, activation ...

Paid Social Manager - Media

Hiring Organisation
Handle Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £50,000 per annum
immediately available Paid Social Manager to lead paid social campaigns for some of the UK's most beloved consumer media brands! *This is a temporary contract initially with the potential to convert to a perm role. Hybrid working in London, day rate equivalent … will: Lead and optimise paid social campaigns across multiple clients and platforms Develop creative strategies and audience targeting approaches, including A / B testing Manage relationships with internal and external stakeholders, acting as the primary point of contact Oversee campaign setup, activation ...

Marketing Analyst - B2C

Hiring Organisation
Data Careers
Location
United Kingdom
Employment Type
Permanent, Work From Home
Salary
£45,000
Marketing Analyst - B2C Home based / UK £40,000-45000 Plus Benefits My client specialise in securing continuing Healthcare funding for who people who require treatment, are looking to recruit a Marketing Analyst is responsible for collecting, analysing and interpreting marketing and business data to provide insights … using analytics platforms. Analyse user journeys, conversion funnels and campaign attribution. Evaluate SEO, PPC, social media and email marketing effectiveness. Support A / B testing and conversion rate optimisation initiatives. Strategic Support Support annual marketing planning and budget allocation. Provide insight into channel ...

Senior Data Scientist- Reading

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Demonstrable hands-on experience in deploying and maintaining machine learning models in production environments·Processing massive amounts of structured and unstructured data using Spark / SQL / Hive·Familiar with offline (batch) and online (live / stream) data pipelines·Writing production code in Python·Understanding the full … software development life-cycle (conduct data analysis and build large-scale machine-learning models / pipelines)·Exposure to the state-of-the-art data analytics products and solutions·Carrying out A / B test experiments·Experience in Big Data technologies (Hadoop, Spark)·Experience ...

Lead Product Manager

Location
United Kingdom
shape pricing and packaging signals, build the feedback loop between deals and the roadmap. Design and run experiments on live product — A / B tests, staged rollouts, feature flags — and socialize learnings across the company. Work tightly with Engineering, Design, Data Science to ship iterative … English. Comfortable operating as a player-coach in a fast-moving, low-process environment. Strong, hands-on command of LLM / AI tooling, vibe-coding. why us? Competitive compensation based on experience and skills. Fully remote, with flexibility across EU and UK time zones Paid ...

Junior Legal Counsel – Product (Trips)

Hiring Organisation
Booking.com
Location
Manchester, United Kingdom
Employment Type
Full Time
This job is with Booking.com, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. About Us: At Booking.com, data drives … decisions. Technology is at our core. And innovation is everywhere. But our company is more than datasets, lines of code or A / B tests. We're the thrill of the first night in a new place. The excitement of the next morning. ...

Ecommerce Content & Optimisation Executive

Hiring Organisation
Cotswold Outdoor Group Ltd
Location
Swindon, Wiltshire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£28,000
This is a hybrid role with a minimum of three days in the office per week. At Cotswold Outdoor Group, the outdoors isn't just where we work, it's who we are. Every day, our head office teams play a vital role … Contentsquare. Identify opportunities to improve the customer journey through testing, optimisation and insight-led recommendations. Take ownership of assigned A / B tests, reporting on results and helping to implement improvements. Support the delivery of Retail Media campaigns, ensuring placements are accurate, effective ...

machine learning engineer in fintech

Location
Greater London, England, United Kingdom
impactful proof-of-concepts for methodologies and tooling that bridge gaps across multiple Servicing teams; Implement software engineering practices including testing, CI / CD, monitoring, alerting, and disaster recovery; Develop MLOps capabilities with Terraform and AWS infrastructure; Support ML governance for hundreds of models; Build data engineering … Nice to have: Apache Spark, Iceberg, Kafka, dbt, Scikit-Learn, XGBoost, PyTorch, MLFlow, GraphFrames, Ray, AWS S3, EMR, SageMaker, Lakeformation, Terraform, Docker, GitHub CI / CD, Knowledge Graphs, RAG, graph ML, probabilistic programming, A / B testing. Условия No conditions specified #J-18808-Ljbffr ...