226 to 250 of 261 A/B Testing Jobs in the UK

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 … full lifecycle of machine learning, from model development, deployment and serving to monitoring and maintenance. 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. ...

ensure alignment on audiences, testing frameworks and execution excellence across our audience strategy. What youll be responsible for Using Customer Data Platform / BigQuery-powered segments to build, refine and deploy customer audiences across activation channels including Paid Search, Paid Social, CRM, Display, CTV and Partnership channels. … manipulating and quality-checking datasets for activation, interpreting data to spot trends and identify opportunities Familiar with test-and-learn frameworks (A / B tests, geo-tests, messaging tests). Excellent stakeholder communication skills. Experience using BigQuery or SQL for basic queries. Exposure to data ...

Location: London, UK / Amsterdam, Netherlands / Dubai, UAE Reports To: Head Of Marketing Employment Type: Full Time Salary: £38,000–£45,000 (an equivalent salary will be offered in the local currency, aligned with market conditions) Performance Bonus: Up to 5-20% annual performance bonus based … commercial performance. Responsibilities include: Monitoring product KPIs. Tracking subscription performance. Analysing customer behaviour. Measuring feature performance. Running product experiments and A / B testing. Producing regular product reporting. Providing recommendations to the Leadership Team. Identifying opportunities for continuous optimisation. Digital Platform Operations Work closely with ...

company is on a mission to help companies build better products through data. Following our acquisition of Statsig, we now offer one of the most comprehensive experimentation and product analytics platforms on the market. As an Customer Data Scientist, you will combine deep experimentation expertise, applied statistics … related field with a strong foundation in experimental design and causal inference. Hands‐on experience designing, running, and analyzing A / B tests and applying advanced experimentation methodologies, including variance reduction, holdouts, sequential testing, or related techniques. Strong proficiency ...

Pricing Analyst 12 month FTC Location: London (Hybrid 2 days per week in the office) Are you an analytical problem solver with a passion for turning data into commercial impact? We're looking for an experienced Pricing Analyst to join a growing analytics team where … reporting that support pricing decisions. Analyse pricing performance, customer behaviour, and commercial trends. Design, execute, and evaluate pricing experiments and A / B tests. Analyse pricing simulations and measure business impact. Identify opportunities through root cause analysis and commercial insight. Present findings clearly to both ...

clearly communicating the results to stakeholders. Essential experience includes: Strong SQL skills and confidence working with large datasets. 4+ years' experience in an analytics / modelling environment. Experience with predictive modelling and / or customer segmentation . Strong numerical and analytical capability. Ability to translate data into commercially … following would be particularly valuable: Customer Lifetime Value (CLV) modelling. Churn or customer decay modelling. Marketing channel attribution. A / B testing. Next Best Action. Personalisation algorithms. Customer lifecycle management. Product or marketing analytics. Subscription-based businesses. Banking, lending, financial services or fintech. ...

Sales. Comfortable using qualitative and quantitative data to identify opportunities and validate decisions. Experience designing, running and analysing product experiments and A / B tests. Strong understanding of product analytics tools such as Amplitude, Mixpanel or similar platforms. Excellent prioritisation skills, with the ability … environment with a bias towards experimentation and iteration. Company Rapidly growing technology platform - UK based Fully remote Salary & Benefits The salary range / rates of pay is dependent upon your experience, qualifications or training . Robert Half Ltd acts as an employment business for temporary positions ...

Data Scientist - Leeds (Hybrid) Gain experience with enterprise level projects at a "data-first" company that is free of legacy systems and corporate bureaucracy! The Opportunity: As Data Scientist, you will turn messy, high-volume data into the models and insights that directly shape the company's core … technical stakeholders Collaborating closely with data engineers to get models into production and monitor their performance Designing and interpreting experiments (A / B tests and similar) to validate impact Requirements: Strong Python skills for data analysis and modelling, plus solid commercial experience with SQL Experience ...

Work directly with senior stakeholders in a growing Data Science team Up to £90,000 + 7% Bonus Hybrid | London (2 days / week) - Leicester office visit once a month included Join one of the UK's largest membership platforms, using machine learning to improve … Develop recommendation and search algorithms Create forecasting and marketing mix models Detect fraud, broken journeys and offer issues Design and evaluate A / B tests Translate business problems into scalable ML solutions Tech stack: Python, SQL, Databricks, dbt, MLflow Requirements 5+ years' commercial Data Science ...

hallucination detection) Build and maintain evaluation datasets, benchmark suites, and annotation workflows. Conduct offline experiments and contribute to online experimentation and A / B testing. Analyze experimental results and communicate findings to stakeholders. Contribute to responsible AI practices focused on quality, reliability, and trust. Cross … systemsSearch and retrieval architectures (lexical, vector, hybrid) Evaluation methodologies for IR and generative AI systems Strong programming skills in Python Experience with modern AI / ML frameworks and tooling (e.g., PyTorch, Hugging Face, LangChain, LangGraph , Haystack) Experience working with Databricks or similar distributed data and machine learning platforms Understanding ...

data pipelines, and AI systems that power models, specialized reasoning and resolution agents, and human‐in‐the‐loop AI features Run A / B tests and ship production features tied to real business outcomes Partner closely with product managers and operators to turn cumbersome manual … person’s age, color, national origin, citizenship status, physical or mental disability, medical condition, race, religion, creed, gender, sex, sexual orientation, gender identity and / or expression, genetic information, marital status, status with regard to public assistance, veteran status or any other characteristic protected by federal, state or local ...

Braze Specialist (Contract) 3-Month Contract | ASAP Start | Hybrid / Remote- South West We're looking for a hands-on Braze Specialist to help maximise the value of a recent Braze migration. With improved customer data now flowing into the platform, you'll focus … Develop and enhance CRM automation programmes. Create audience segments and personalised customer experiences. Analyse campaign performance and implement ongoing improvements. Run A / B tests to improve engagement, retention and conversion. Work closely with CRM, Marketing and Data teams. Share best practice and support internal ...

Lead Product Manager | B2C Growth | Web & Mobile | AI Product Builder 🚀 Role: Lead Product Manager Location: City of London - 1–2 days p / w Salary: Up to £115,000 + bonus + equity We’re partnered with one of the UK’s most exciting high-growth B2C scale … directly to commercial outcomes. 🚀 What makes this exciting: Owning end-to-end product domains with real accountability for growth metrics Running A / B tests and experiments that directly impact conversion, retention and customer behaviour Working across web and mobile experiences used by customers ...

Here? Fyxer develops applied AI software that automates email, turning it from a daily burden into a powerful competitive edge for professionals in real estate, consulting, and recruiting. The company has surged from $1M to $30M ARR in 12 months, backed by top investors like Marc … decisions and outcomes. You will collaborate directly with engineers and founders to shape solutions from the start, validating ideas via prototypes, A / B tests, analytics, and customer interviews. Additionally, you will coach the team on advanced product thinking, introduce scalable frameworks, and accelerate ...

powers people’s progress by creating life‐changing learning experiences through human‐led, tech‐enabled education. The company has reached unicorn status with a $150M Series D and connects over 100,000 tutors … teaching 90+ languages to learners in 180 countries. The Data Team sits at the heart of every decision, running hundreds of A / B tests to optimize the product amid the complexities of a subscription‐based marketplace. What Will You Do? As a ...

hallucination detection) Build and maintain evaluation datasets, benchmark suites, and annotation workflows. Conduct offline experiments and contribute to online experimentation and A / B testing. Analyze experimental results and communicate findings to stakeholders. Contribute to responsible AI practices focused on quality, reliability, and trust. Cross … systemsSearch and retrieval architectures (lexical, vector, hybrid) Evaluation methodologies for IR and generative AI systems Strong programming skills in Python Experience with modern AI / ML frameworks and tooling (e.g., PyTorch, Hugging Face, LangChain, LangGraph , Haystack) Experience working with Databricks or similar distributed data and machine learning platforms Understanding ...

development, deployment, maintenance, and performance evaluation for the Cint Exchange. Develop a comprehensive, predictive understanding of marketplace dynamics, including price elasticity, supply / demand balance, and their underlying mechanics within the Cint Exchange. Independently carry out project planning, development, and maintenance with minimal supervision. Analyze large, diverse … machine learning methods to solve complex business problems. Conduct exploratory analyses into key metrics and lead the design and execution of A / B tests and other complex experiments to validate hypotheses. Create clear, effective deliverables that communicate complex insights and recommendations through compelling visualizations ...

Fractal Analytics in London is seeking a Senior ML Engineer for a 12-month FTC to design, train, and deploy advanced ML models focused on personalization … recommendations. The role blends research, production deployment, and collaboration with cross-functional teams. You will build scalable data pipelines, experiment with A / B tests, and ensure models run reliably in production using frameworks such as TFX, Kubeflow, TensorFlow Serving, and TorchServe. #J-18808-Ljbffr ...

Senior Product Data Scientist Contract Length : 12 Months Location : Hybrid - 3 days a week at Heathrow Airport IR35 Status : Inside About the Role We are looking for a Senior Product Data Scienti st to help drive product innovation through data, experimentation and advanced analytics. You will … metrics and evaluate product performance. Conduct exploratory analysis to identify opportunities for growth and customer impact. Design and analyse experiments including A / B tests and observational studies. Build predictive models and analytical tools that support product decision-making. Develop decision science and optimisation solutions ...

tracking tools Collaborate with RevOps for high-quality data flows and accurate measurement Support Conversion Rate Optimisation (CRO) initiatives and A / B test setup Implement technical AEO / SEO updates and improve organic visibility Participate in code reviews and adopt best practices … development using Node.js, Express, APIs and databases Experience working with CMS platforms (Contentful), templates, components and content-driven web builds Understanding of technical SEO / AEO principles and implementation Familiarity with analytics and tracking tools such as GA4, Google Tag Manager and HubSpot Experience using Git and working ...

content. Ensure consistent visibility across digital platforms and targeted markets. Build campaigns that increase awareness, engagement, and inbound lead volume. Partner with Product / Delivery teams to craft value propositions that resonate with prospects. 4. Sales Acceleration Own the performance of the sales team, including pipeline growth, win rates … implement solutions to improve: MQL to SQL conversion Meeting to Proposal conversion Proposal to Close rates Sales cycle speed Run experiments (A / B tests, new channels, new pitches) to accelerate growth. Collaborate with RevOps to ensure clean data and transparent reporting. 6. Cross-Functional ...

processing technologies such as Kafka. Ability to design scalable web applications that serve tens of thousands of requests per second. DevOps culture familiarity (CI / CD pipelines). Independent problem‐solving skills with the ability to seek guidance when needed. Product‐oriented mindset focused on solving real business problems. … Experience with iterative development and A / B testing. Flexible to work across multiple paradigms and languages, including TypeScript, Scala, and Python. Strong technical and non‐technical communication skills. Proficiency in unit and integration testing. Experience with Kubernetes or equivalent container orchestration. Preferred experience Play ...

Western Union is seeking a Senior Data Scientist, Growth … Measurement, to lead experimental design and analysis in a fast-paced, data-driven environment. You will design and analyze A / B tests, holdouts, and geo experiments; build robust measurement frameworks for incrementality and key business metrics; translate findings into actionable recommendations ...

Senior AI / ML Engineer – 12‐month Fixed‐Term Contract, West London. Hybrid work model: onsite 2 days per week. Responsibilities Design, train and optimise machine‐learning models focused on user personalisation, including recommendation engines, ranking algorithms, user segmentation and content analysis. Construct and maintain robust, scalable data pipelines … Deploy and supervise ML models in production, ensuring high availability, optimal performance and continued relevance. Lead the design and analysis of A / B tests and offline experiments to evaluate model efficacy and support continuous improvement. Collaborate with multidisciplinary teams to align machine‐learning initiatives ...

Haut.AI is seeking a Lead Product Manager to drive the PMF cycle for Commerce with enterprise accounts across the US and international markets. You will define a crisp problem statement, prioritize experiments, and own the product roadmap with explicit bets and OKRs. Collaborate with GTM, write … data-driven, AI-focused approach. You will work closely with Engineering, Design, and Data Science to run live product experiments, using A / B tests and feature flags #J-18808-Ljbffr ...