1 to 25 of 53 Remote A/B Testing Jobs in London

CRO Specialist - CDP and Personalisation Expert - Hybrid We are looking for a talented CRO Specialist to join our global optimisation programme and help deliver impactful digital experiences across 49 domains. This role offers the chance to shape customer journeys, influence global strategy, and make a real difference in a fast-paced, data-driven environment. … lead the execution of optimisation initiatives aligned with business goals. You will drive testing and experimentation using tools such as GA4, Content Square, and A / B testing platforms. You will collaborate with UX, Product, Analytics, and Performance teams to deliver measurable improvements across campaigns and platforms. CRO Specialist key responsibilities … optimisation, with a strong focus on CRO. Proven CDP and personalisation experience. Strong analytical mindset with experience in GA4 and Content Square. Hands-on A / B testing expertise. Worked with large commercial or ecommerce companies. Excellent communication and stakeholder management skills. To apply, please send your CV by pressing the More ❯

UK workforce paid via IRIS payroll 📊 50,000 SMEs using our cloud bookkeeping 🏢 21,000 firms relying on us for compliance We’re more than software — we’re a transformative powerhouse 💡 driving compliance, efficiency & confidence for businesses. Officially certified as a Great Place to Work 🏆 and recognised as one of the UK's Best Workplaces for … the heart of optimising structure, UX, and conversion performance to deliver seamless digital experiences. 🎯 What you’ll do: Lead optimisation & performance of UK & international websites 🌐 Drive A / B testing, analyse metrics & implement improvements 📈 Collaborate with Product Marketing & Lead Gen teams 🤝 Manage our Senior Digital Designer to ensure consistent UX & visuals 🎨 Partner with … Partner to boost discoverability 🔍 🛠 What we’re looking for: Strong background in digital marketing & website optimisation 💻 Proven WordPress expertise 📝 (Marketo experience = bonus ✨) Solid grasp of UX & A / B testing methodologies 🔬 Data-driven mindset with analytical skills 📊 Experience in SaaS, enterprise software, or large B2B organisations ✅ 👥 Key Relationships You’ll be part of More ❯

Data Analyst - Customer Success Team London, hybrid working - Initial 9 month contract - Daily rate inside IR35. Are you a data-driven problem solver ready to make a real impact on customer experience? Our client is looking for a motivated Data Analyst to join a fast-moving Global Customer Success team. You'll … smarter, data-led decisions. Dive deep into analysis: Investigate customer challenges, operational inefficiencies and digital adoption hurdles, translating insights into actionable recommendations. Drive experimentation & improvement: Analyse A / B tests and digital experience trials to identify what works best and scale success. Communicate the story: Present insights clearly to both technical and non-technical stakeholders … and experience with dashboarding tools such as Tableau. Familiarity with Snowflake, Databricks, Spark, and ETL processes. Python or automation is a plus. Knowledge of A / B testing and statistics. Strong communication and storytelling skills to influence diverse audiences. Experience with call centre or digital support KPIs is an advantage. Ability More ❯

Senior Data Scientists / Analysts – SC / DV Cleared – (Military / Veteran-Friendly) — Multiple Openings 🌳 Location: London (Remote & Hybrid options) 🌳 Employment: Permanent 🌳 Clearance: Current SC or DV required 🌳 Make sense of mission-critical data that actually drives decisions. 🌳 Areti Group is partnering with one of the UK’s fastest-growing Series A-funded tech start … sensitive environments. Collaborate across engineering, security, and product teams to deliver at pace and scale. The toolkit you’ll use 🌳 Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch / TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST / JSON, Postman, Flask / FastAPI, Power BI / Tableau, D3.js DevOps & Cloud: CI / CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform / CDK ML Ops & Automation: MLFlow, feature stores, model monitoring, A / B testing Data Security & Compliance: Secure SDLC, ISO / NIST, data governance, GDPR-compliant pipelines Collaboration & Control: Git-based workflows, Jira, Confluence, automated testing suites Must-have experience More ❯

Senior Data Scientists / Analysts – SC / DV Cleared – (Military / Veteran-Friendly) — Multiple Openings 🌳 Location: London (Remote & Hybrid options) 🌳 Employment: Permanent 🌳 Clearance: Current SC or DV required 🌳 Make sense of mission-critical data that actually drives decisions. 🌳 Areti Group is partnering with one of the UK’s fastest-growing Series A-funded tech start … sensitive environments. Collaborate across engineering, security, and product teams to deliver at pace and scale. The toolkit you’ll use 🌳 Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch / TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST / JSON, Postman, Flask / FastAPI, Power BI / Tableau, D3.js DevOps & Cloud: CI / CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform / CDK ML Ops & Automation: MLFlow, feature stores, model monitoring, A / B testing Data Security & Compliance: Secure SDLC, ISO / NIST, data governance, GDPR-compliant pipelines Collaboration & Control: Git-based workflows, Jira, Confluence, automated testing suites Must-have experience More ❯

Senior Data Scientists / Analysts – SC / DV Cleared – (Military / Veteran-Friendly) — Multiple Openings 🌳 Location: London (Remote & Hybrid options) 🌳 Employment: Permanent 🌳 Clearance: Current SC or DV required 🌳 Make sense of mission-critical data that actually drives decisions. 🌳 Areti Group is partnering with one of the UK’s fastest-growing Series A-funded tech start … sensitive environments. Collaborate across engineering, security, and product teams to deliver at pace and scale. The toolkit you’ll use 🌳 Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch / TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST / JSON, Postman, Flask / FastAPI, Power BI / Tableau, D3.js DevOps & Cloud: CI / CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform / CDK ML Ops & Automation: MLFlow, feature stores, model monitoring, A / B testing Data Security & Compliance: Secure SDLC, ISO / NIST, data governance, GDPR-compliant pipelines Collaboration & Control: Git-based workflows, Jira, Confluence, automated testing suites Must-have experience More ❯

Senior Data Scientists / Analysts – SC / DV Cleared – (Military / Veteran-Friendly) — Multiple Openings 🌳 Location: London (Remote & Hybrid options) 🌳 Employment: Permanent 🌳 Clearance: Current SC or DV required 🌳 Make sense of mission-critical data that actually drives decisions. 🌳 Areti Group is partnering with one of the UK’s fastest-growing Series A-funded tech start … sensitive environments. Collaborate across engineering, security, and product teams to deliver at pace and scale. The toolkit you’ll use 🌳 Data Science & Engineering: Python (NumPy, Pandas, scikit-learn, PyTorch / TensorFlow), SQL, NoSQL, Spark, big data ecosystems Visualisation & APIs: REST / JSON, Postman, Flask / FastAPI, Power BI / Tableau, D3.js DevOps & Cloud: CI / CD, Docker, AWS (S3, Lambda, SageMaker), Kubernetes, Terraform / CDK ML Ops & Automation: MLFlow, feature stores, model monitoring, A / B testing Data Security & Compliance: Secure SDLC, ISO / NIST, data governance, GDPR-compliant pipelines Collaboration & Control: Git-based workflows, Jira, Confluence, automated testing suites Must-have experience More ❯

SENIOR CUSTOMER ANALYST LONDON – HYBRID - 2 DAYS A WEEK IN OFFICE SALARY – £70,000 + BONUS THE COMPANY A leading delivery marketplace connecting millions of customers with thousands of restaurant partners! THE ROLE As a Senior Customer Analyst, you will play a pivotal role in driving customer strategy and lifecycle optimisation across … shape customer growth. Key Responsibilities: Analyse and optimise customer behaviour across the lifecycle - acquisition, retention, churn. Deliver actionable insights that influence marketing and growth strategy. Run A / B and multivariate tests to evaluate campaign performance. Use SQL and Tableau / Looker to build data stories and dashboards. Support lifecycle marketing initiatives by identifying … churn reduction. Strong data storytelling skills - able to translate insights into commercial impact. Ideally from eCommerce, tech, or other high-growth, data-driven environments. Python and A / B testing experience desirable. BENEFITS Salary up to £70,000 Discretionary annual bonus Hybrid working – 2 days a week in central London Opportunity More ❯

SENIOR CUSTOMER ANALYST LONDON – HYBRID - 2 DAYS A WEEK IN OFFICE SALARY – £70,000 + BONUS THE COMPANY A leading delivery marketplace connecting millions of customers with thousands of restaurant partners! THE ROLE As a Senior Customer Analyst, you will play a pivotal role in driving customer strategy and lifecycle optimisation across … shape customer growth. Key Responsibilities: Analyse and optimise customer behaviour across the lifecycle - acquisition, retention, churn. Deliver actionable insights that influence marketing and growth strategy. Run A / B and multivariate tests to evaluate campaign performance. Use SQL and Tableau / Looker to build data stories and dashboards. Support lifecycle marketing initiatives by identifying … churn reduction. Strong data storytelling skills - able to translate insights into commercial impact. Ideally from eCommerce, tech, or other high-growth, data-driven environments. Python and A / B testing experience desirable. BENEFITS Salary up to £70,000 Discretionary annual bonus Hybrid working – 2 days a week in central London Opportunity More ❯

role for you. What you’ll do: Oversee all ecommerce optimisation and personalisation initiatives across websites and apps. Work with the ecommerce trading team to gather A / B testing requirements and implement campaigns that balance customer experience with commercial impact. Manage content updates to ensure a clear and accurate customer … journey. Identify opportunities for innovation and implement changes using Bloomreach and other tools. Utilise HTML, CSS, and a strong understanding of search and … merchandising tools (Search and Promote). What we’re looking for: Passion for ecommerce and online retail. Strong analytical mindset with experience in optimisation, personalisation, and A / B testing. Hands-on experience with HTML, CSS, and ecommerce platforms / tools. Be at the heart of driving innovation and delivering experiences that keep our More ❯

role for you. What you’ll do: Oversee all ecommerce optimisation and personalisation initiatives across websites and apps. Work with the ecommerce trading team to gather A / B testing requirements and implement campaigns that balance customer experience with commercial impact. Manage content updates to ensure a clear and accurate customer … journey. Identify opportunities for innovation and implement changes using Bloomreach and other tools. Utilise HTML, CSS, and a strong understanding of search and … merchandising tools (Search and Promote). What we’re looking for: Passion for ecommerce and online retail. Strong analytical mindset with experience in optimisation, personalisation, and A / B testing. Hands-on experience with HTML, CSS, and ecommerce platforms / tools. Be at the heart of driving innovation and delivering experiences that keep our More ❯

role for you. What you’ll do: Oversee all ecommerce optimisation and personalisation initiatives across websites and apps. Work with the ecommerce trading team to gather A / B testing requirements and implement campaigns that balance customer experience with commercial impact. Manage content updates to ensure a clear and accurate customer … journey. Identify opportunities for innovation and implement changes using Bloomreach and other tools. Utilise HTML, CSS, and a strong understanding of search and … merchandising tools (Search and Promote). What we’re looking for: Passion for ecommerce and online retail. Strong analytical mindset with experience in optimisation, personalisation, and A / B testing. Hands-on experience with HTML, CSS, and ecommerce platforms / tools. Be at the heart of driving innovation and delivering experiences that keep our More ❯

role for you. What you’ll do: Oversee all ecommerce optimisation and personalisation initiatives across websites and apps. Work with the ecommerce trading team to gather A / B testing requirements and implement campaigns that balance customer experience with commercial impact. Manage content updates to ensure a clear and accurate customer … journey. Identify opportunities for innovation and implement changes using Bloomreach and other tools. Utilise HTML, CSS, and a strong understanding of search and … merchandising tools (Search and Promote). What we’re looking for: Passion for ecommerce and online retail. Strong analytical mindset with experience in optimisation, personalisation, and A / B testing. Hands-on experience with HTML, CSS, and ecommerce platforms / tools. Be at the heart of driving innovation and delivering experiences that keep our More ❯

objectives. Own digital sales, margin, conversion and customer journey KPIs across the website and app. Directly manage the digital teams that analyse trading performance, merchandise the site, publish content / products and optimise the digital experience Lead the planning and execution of the online trading calendar, including new launches, campaigns and promotional activity Monitor and optimise daily and weekly … performance, identifying risks and opportunities. Drive continuous improvement of onsite merchandising, navigation, search, checkout, and overall conversion optimisation. Oversee test-and-learn initiatives, including CRO and A / B testing, to improve trading metrics and customer satisfaction. Partner with Buying, Merchandising, Marketing, Creative, Digital Development and Technology teams to ensure a … on contract duration) Life Assurance Additional Benefits Fruit basket daily Tea and coffee provided Working from Home- option to work from home on Mondays and Fridays Social- Christmas party / social events throughout the year Seasonal Sample Sales Volunteer Day- with a charity of your choice Great Location -Close to transport links - over ground Shepherds Bush station More ❯

required. Key requirements: Proven experience in product analytics, data analysis, or a related field. Strong proficiency in SQL and experience with data visualization tools such as Metabase / Tableau etc Familiarity with Redshift or other similar data warehousing technologies. Excellent problem-solving skills and the ability to translate complex data into actionable insights. Strong communication and collaboration … skills, with the ability to effectively present findings to both technical and non-technical stakeholders. Experience of A / B testing, experience in running retailed-based tool analytics Experience of BigQuery is desirable Benefits Pension company contribution = 3% Incentive scheme up to 10% of annual salary , based on company performance. Your wellbeing is … of other promotions) when you shop at H&B on anything that you buy. We all need a little help sometimes, so weoffer Free 24 / 7 Confidential Advice & Colleague Welfare . Mental Health First Aiders - we have lots of qualified Mental Health First Aiders because its all about your health & wellbeing. Stay active in More ❯

Job Title Senior Data Scientist Customer Data Location London hybrid working (2 / 3 days in City offices) Salary To c£75,000 negotiable DoE Job Reference J13020 POSITION OVERVIEW We are super excited to be partnering with one of the largest global lifestyle brands at a pivotal stage in their data journey. Our client, a … and brand engagement. Partnering closely with CRM, marketing, engineering, and data teams to design scalable, data-led solutions that deliver measurable results. Applying best practices in A / B testing and experimentation to evaluate new initiatives and identify performance improvements. Leading key projects that translate complex data into clear, actionable insights to guide … please refer them to us. For each relevant candidate that you introduce to us (there is no limit) and we place, you will be entitled to our general gift / voucher scheme. More ❯

Salary: £35,000 – £40,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior Data Scientist to join a fast-growing, forward-thinking team working at the forefront of data science, machine learning, and applied AI. This is an excellent opportunity for a recent Master’s … in complex datasets. You’ll collaborate with experienced data scientists, machine learning engineers, and subject-matter experts to design, develop, and deploy models that deliver meaningful impact across a variety of industries. What You’ll Be Doing: Designing and building machine learning models to solve real-world problems Carrying out full data science workflows … from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and AI techniques to generate actionable insights Contributing to experimental research, model prototyping, and A / B testing Presenting findings clearly to both technical and non-technical stakeholders Collaborating across data science, engineering, and product teams to build scalable solutions Staying More ❯

Salary: £35,000 – £40,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior Data Scientist to join a fast-growing, forward-thinking team working at the forefront of data science, machine learning, and applied AI. This is an excellent opportunity for a recent Master’s … in complex datasets. You’ll collaborate with experienced data scientists, machine learning engineers, and subject-matter experts to design, develop, and deploy models that deliver meaningful impact across a variety of industries. What You’ll Be Doing: Designing and building machine learning models to solve real-world problems Carrying out full data science workflows … from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and AI techniques to generate actionable insights Contributing to experimental research, model prototyping, and A / B testing Presenting findings clearly to both technical and non-technical stakeholders Collaborating across data science, engineering, and product teams to build scalable solutions Staying More ❯

Salary: £35,000 – £40,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior Data Scientist to join a fast-growing, forward-thinking team working at the forefront of data science, machine learning, and applied AI. This is an excellent opportunity for a recent Master’s … in complex datasets. You’ll collaborate with experienced data scientists, machine learning engineers, and subject-matter experts to design, develop, and deploy models that deliver meaningful impact across a variety of industries. What You’ll Be Doing: Designing and building machine learning models to solve real-world problems Carrying out full data science workflows … from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and AI techniques to generate actionable insights Contributing to experimental research, model prototyping, and A / B testing Presenting findings clearly to both technical and non-technical stakeholders Collaborating across data science, engineering, and product teams to build scalable solutions Staying More ❯

Salary: £35,000 – £40,000 + Bonus + Benefits Start Date: ASAP About the Opportunity: We are seeking an ambitious and intellectually curious Junior Data Scientist to join a fast-growing, forward-thinking team working at the forefront of data science, machine learning, and applied AI. This is an excellent opportunity for a recent Master’s … in complex datasets. You’ll collaborate with experienced data scientists, machine learning engineers, and subject-matter experts to design, develop, and deploy models that deliver meaningful impact across a variety of industries. What You’ll Be Doing: Designing and building machine learning models to solve real-world problems Carrying out full data science workflows … from data acquisition and cleaning to modelling, validation, and deployment Applying statistical and AI techniques to generate actionable insights Contributing to experimental research, model prototyping, and A / B testing Presenting findings clearly to both technical and non-technical stakeholders Collaborating across data science, engineering, and product teams to build scalable solutions Staying More ❯

big ideas into the products, content and services millions of people love. And we do it all right here at Sky. What you'll do We are seeking a highly skilled Lead Machine Learning Engineer to advance our personalised recommendation systems by developing efficient, low-latency solutions that serve millions of users globally. The successful candidate will collaborate … datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Lead the design and analysis of A / B tests and offline experiments to evaluate model efficacy and support continuous improvement. Cross-Functional Collaboration: Engage with multidisciplinary teams to align machine learning initiatives with business … ll bring Demonstrated expertise in the full lifecycle of machine learning, from model development and deployment to monitoring and maintenance. Advanced proficiency in Python and knowledge of ML libraries / frameworks (e.g., TensorFlow, PyTorch). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI More ❯

big ideas into the products, content and services millions of people love. And we do it all right here at Sky. What you'll do We are seeking a highly skilled Lead Machine Learning Engineer to advance our personalised recommendation systems by developing efficient, low-latency solutions that serve millions of users globally. The successful candidate will collaborate … datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Lead the design and analysis of A / B tests and offline experiments to evaluate model efficacy and support continuous improvement. Cross-Functional Collaboration: Engage with multidisciplinary teams to align machine learning initiatives with business … ll bring Demonstrated expertise in the full lifecycle of machine learning, from model development and deployment to monitoring and maintenance. Advanced proficiency in Python and knowledge of ML libraries / frameworks (e.g., TensorFlow, PyTorch). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI More ❯

big ideas into the products, content and services millions of people love. And we do it all right here at Sky. What you'll do We are seeking a highly skilled Lead Machine Learning Engineer to advance our personalised recommendation systems by developing efficient, low-latency solutions that serve millions of users globally. The successful candidate will collaborate … datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Lead the design and analysis of A / B tests and offline experiments to evaluate model efficacy and support continuous improvement. Cross-Functional Collaboration: Engage with multidisciplinary teams to align machine learning initiatives with business … ll bring Demonstrated expertise in the full lifecycle of machine learning, from model development and deployment to monitoring and maintenance. Advanced proficiency in Python and knowledge of ML libraries / frameworks (e.g., TensorFlow, PyTorch). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI More ❯

big ideas into the products, content and services millions of people love. And we do it all right here at Sky. What you'll do We are seeking a highly skilled Lead Machine Learning Engineer to advance our personalised recommendation systems by developing efficient, low-latency solutions that serve millions of users globally. The successful candidate will collaborate … datasets. Production Deployment: Deploy and supervise ML models in production environments, ensuring high availability, optimal performance, and continued relevance. Experimentation: Lead the design and analysis of A / B tests and offline experiments to evaluate model efficacy and support continuous improvement. Cross-Functional Collaboration: Engage with multidisciplinary teams to align machine learning initiatives with business … ll bring Demonstrated expertise in the full lifecycle of machine learning, from model development and deployment to monitoring and maintenance. Advanced proficiency in Python and knowledge of ML libraries / frameworks (e.g., TensorFlow, PyTorch). Experience with high-volume data processing and real-time streaming architectures. Strong understanding of recommendation system design and personalisation algorithms. Familiarity with Generative AI More ❯

Our client an award winning SaaS organisation is seeking an experienced Data Analyst focusing on building core data capabilities across multiple global regions and markets. You’ll play a pivotal role in improving customer success and driving impact across Customer Experience, Digital Experience and Service Delivery. Central London location, hybrid, 10 month contract. Required Skills : 8+ years of … data tools (Snowflake, Databricks, Spark) and ETL processes. Useful experience; Python or R for advanced analytics, automation, or experimentation support. Knowledge of statistical methods and experimentation (A / B testing) preferred. Machine learning and Generative AI experience is a plus. Experience working with call centre and / or digital support More ❯