201 to 225 of 261 A/B Testing Jobs in the UK

Staff Applied ML Engineer - Financial Crime

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
transaction representation across FinCrime domains. Partnering with Data Science on model evaluation, experimentation design and causal measurement in domains where clean A / B testing isn't always possible. Mentoring engineers and data scientists on modern ML fundamentals, production best practices, and architectural … evaluation experience. Experience establishing modern ML practices in organisations scaling their ML capabilities.### Skills Required* Deep Learning* Machine Learning Architecture* System Design (latency / throughput)* Python* PyTorch* Distributed Training* ML Pipeline Orchestration* Sequence Modelling* Graph Neural Networks* Attention Mechanisms* Financial Crime Detection* Fraud Detection* AML* Foundation Models* LLM Evaluation ...

Quantitative Trading & Research - E-Trading - Executive Director

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
algorithm roadmap using data-driven insights, client needs, competitive context, and measurable outcomes. Develop a clear product analytics narrative (KPIs, benchmarks, adoption / usage, performance attribution) to support senior decision-making and investment cases. Translate client requirements into quantitative problem statements and implementable product specifications. Execution measurement … leadership Build, enhance, and govern TCA frameworks (benchmarks, market impact curves, peer / venue comparisons) calibrated on historical order, execution, and market data. Diagnose execution performance drivers (order size / urgency, liquidity, volatility, venue choice, algo selection, time-of-day effects) and convert findings into product recommendations. Establish ...

Staff Engineer, Growth & Platform (First & Last Mile)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Plum Fintech in Greater London is seeking a passionate Staff Engineer to lead technical strategy and drive user growth. You will be responsible for architecting scalable systems and mentoring Senior … Engineers. The ideal candidate has a proven technical leadership track record, excels in system design, and is comfortable with A / B testing frameworks. Plum offers flexible remote working options, stock options, private health insurance, and a fun, inclusive ...

Data Scientist III - LeapSpace

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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. Partner … 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 ...

Engineer (Digital Product Team)

Hiring Organisation
Canada Life
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
backend stacks Working closely with product managers, designers, and real users to understand problems deeply before jumping to solutions Configuring and maintaining automated CI / CD pipelines and test automation to facilitate a seamless route to production for Azure hosted solutions Developing and supporting environments … outcomes rather than output. You are comfortable using data, analytics, and feedback loops to form hypotheses, run experiments, and make evidence-based decisions. Duties / Responsibilities Engage fully in the development lifecycle of applications and tools, contributing hands-on from coding to reviewing and releasing to production. Partner closely ...

Shopify Platform & Integrations Engineer

Hiring Organisation
Elevation Recruitment Group
Location
Bradford, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
Shopify APIs (including Storefront API, AJAX API and GraphQL) to deliver advanced functionality and integrations Build and maintain integrations across eCommerce platforms, marketplaces, OMS / WMS and third-party partners Support the technical onboarding of new sales channels including marketplaces and dropship partners Work with systems such as Order … supporting systems Use analytics and performance data to identify, prioritise and implement website and customer journey improvements Support the implementation of A / B testing and experimentation initiatives across the website Implement UX and customer journey improvements in collaboration with Ecommerce and Marketing ...

Senior Data Systems Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Implements end-to-end features across application and data layers with growing autonomy. Designs data models for common patterns (including star / snowflake for analytics), optimizes queries, and debugs performance issues. Leverages the company Application Express and PL / SQL where appropriate; adds telemetry to track usage, conversion … applicable law. Key Responsibilities Data Systems Software Development: * Deliver end-to-end features spanning application services and the company Database data models (including star / snowflake patterns). Diagnose and improve query and API performance affecting user experience and service-level agreements. Introduce controlled experiments (A / ...

Solutions Architect

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
networks, creators are the new media companies, and fans want to belong, not just watch. About the Role We're looking for a hands‐on Solutions Architect to join Dizplai at an exciting stage of growth. This isn't a traditional architecture role. You'll work … practical experience using AI within software delivery Serverless and event‐driven architectures SaaS, media, martech or digital products Product experimentation and A / B testing AI‐enabled products and engineering workflows You’ll thrive if you Are hands‐on and enjoys writing code ...

Data Scientist

Hiring Organisation
Harnham
Location
Brighton, England, United Kingdom
opportunity to work closely with Product Managers and Engineers to shape decisions that directly impact customers and business performance. The Company They are a technology-led business with a strong data culture and significant investment in AI, analytics and product development. As they continue to scale … Identifying and investigating business and product opportunities Using data to shape product strategy and prioritisation Designing and measuring experiments and A / B tests Defining success metrics and evaluating feature performance Translating complex analysis into clear recommendations Supporting the development of data-driven product features ...

Digital Marketing Executive - Ecommerce

Hiring Organisation
Reed
Location
Sittingbourne, Kent, England, United Kingdom
Employment Type
Full-Time
Salary
£32,000 - £36,000 per annum, Inc benefits
client is seeking a commercially focused Digital Marketing Executive to help drive e-commerce growth through integrated digital marketing strategies. This role involves managing online platforms, developing engaging content, analysing performance data, and delivering campaigns across multiple digital channels to increase brand awareness, customer engagement, and sales. … coordinating content creation, managing publishing schedules, and reviewing campaign performance. Plan and deliver email marketing campaigns, including content creation, audience segmentation, A / B testing, automated customer journeys, and subscriber management. Create, monitor, and optimise PPC advertising campaigns across retail media and digital ...

ML Scientist II - Ranking & Personalization in Production

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Expedia Group is seeking a Machine Learning Scientist II to join the Lodging Search Ranking AI team within the Product … Technology division. You will build and optimize ML models powering ranking and personalization for multiple brands, with production deployments and live A / B testing to measure impact. You will work with data scientists, engineers, product managers, and analysts to translate business problems ...

GenAI Vision Engineer for Consumer AR (Images & Video)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Snap is seeking a machine learning expert to develop ML products and AI Lenses that power millions of Snapchatters daily. You will focus on image and video generation, as well as large language models, while building AR experiences with diffusion and flow‐matching models. You will collaborate … with Product, Software Engineering, Lens Content and Data Science teams to prototype ideas, integrate models into production, and refine them through A / B testing and user feedback. #J-18808-Ljbffr ...

Principal ML Scientist – Travel Experience Discovery

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
strategy and production-grade implementations. You will shape models for multi-objective ranking, sequential user modeling, and graph-based travel recommendations, while mentoring a … team of scientists. You will collaborate with Product, Engineering, and Data Science to deliver scalable, low-latency pipelines, driver frameworks, and A / B testing practices that optimize engagement and #J-18808-Ljbffr ...

Senior Backend Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Postgres, MySQL)NoSQL datastores (e.g. DynamoDB)Stream processing (e.g. Kafka)Experience building scalable web applications serving 10,000s of requests per secondDevOps culture (CI / CD pipeline)Ability to proactively find and solve complex problems independently, but also know when to seek guidance or help from peersProduct-oriented mindset … with a focus on solving real business problems rather than over-engineering solutionsExperience with iterative development using A / B testingMust HavesSolid software engineering experience with strong evidence of the ability to learn and work effectively in our Scala and TypeScript stack — with ...

London, United Kingdom On-site Wise Lead Data Scientist – Contact Automation

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Overview Wise is a global technology company building the best way to move and manage the world’s money. The Contact Automation team in London develops an intelligent system to power an automated Wise Assistant. This system answers most customer questions within the chat interface and supports agents … issues. Responsibilities Own the design and evolution of evaluation frameworks for LLM-based systems both offline and online. Build and scale A / B testing to measure real customer impact and guide product decisions. Analyse conversation data to uncover opportunities and collaborate with ...

Digital Designer (Web, Landing Pages & SEO) - London/ Remote - Case Management Software Co - up to £55k

Hiring Organisation
Digital Lemon Talent 🍋
Location
London, England, United Kingdom
performance. Support future website projects and digital marketing initiatives. Skills & Experience Essential Previous experience in website design and development. Strong graphic design and UI / UX skills. Experience creating landing pages with a focus on conversion. Solid understanding of technical SEO. Experience using Google Analytics, Google Search … ability to work collaboratively with marketing teams. Desirable Knowledge of HTML, CSS and JavaScript. Experience with conversion rate optimisation (CRO) and A / B testing. Understanding of CRM integrations and lead tracking. Experience working within a fast-paced commercial environment. What ...

Digital Designer (Web, Landing Pages & SEO) - London/ Remote - Case Management Software Co - up to £55k

Hiring Organisation
Digital Lemon Talent 🍋
Location
Leeds, West Yorkshire, United Kingdom
performance. Support future website projects and digital marketing initiatives. Skills & Experience Essential Previous experience in website design and development. Strong graphic design and UI / UX skills. Experience creating landing pages with a focus on conversion. Solid understanding of technical SEO. Experience using Google Analytics, Google Search … ability to work collaboratively with marketing teams. Desirable Knowledge of HTML, CSS and JavaScript. Experience with conversion rate optimisation (CRO) and A / B testing. Understanding of CRM integrations and lead tracking. Experience working within a fast-paced commercial environment. What ...

Digital Designer (Web, Landing Pages & SEO) - London/ Remote - Case Management Software Co - up to £55k

Hiring Organisation
Digital Lemon Talent 🍋
Location
Leigh, Greater Manchester, United Kingdom
performance. Support future website projects and digital marketing initiatives. Skills & Experience Essential Previous experience in website design and development. Strong graphic design and UI / UX skills. Experience creating landing pages with a focus on conversion. Solid understanding of technical SEO. Experience using Google Analytics, Google Search … ability to work collaboratively with marketing teams. Desirable Knowledge of HTML, CSS and JavaScript. Experience with conversion rate optimisation (CRO) and A / B testing. Understanding of CRM integrations and lead tracking. Experience working within a fast-paced commercial environment. What ...

Data Engineer - GCP

Hiring Organisation
Boston Hale
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £55,000 per annum
across diverse sources. Automate and optimise workflows using tools like Airflow, dbt, and Spark. Support data modelling for analytics, dashboards, and A / B testing. Collaborate with cross-functional teams to deliver data-driven insights. Work with cloud platforms (GCP preferred) and tools like BigQuery. … Requirements: Strong SQL and experience with relational / non-relational databases. Proficiency in Python and / or Java. Experience with cloud infrastructure (GCP preferred, AWS, or similar). A proactive, collaborative approach and strong communication skills. This is a fantastic opportunity to work ...

Conversion Manager

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
that directly impact revenue and customer satisfaction across multiple markets. You will take ownership of experimentation strategy and deliver measurable commercial outcomes in a data-led environment that values innovation and continuous improvement. The Company They are a well-established organisation operating in a … digital-first, customer-centric industry, serving millions of customers across international markets. With a strong reputation for service excellence and a focus on continuous innovation, they invest heavily in technology, data, and customer experience. Their collaborative culture brings together teams across product, marketing, and engineering ...

Conversion Rate Optimization (CRO) Manager

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
that directly impact revenue and customer satisfaction across multiple markets. You will take ownership of experimentation strategy and deliver measurable commercial outcomes in a data-led environment that values innovation and continuous improvement. The Company They are a well-established organisation operating in a … digital-first, customer-centric industry, serving millions of customers across international markets. With a strong reputation for service excellence and a focus on continuous innovation, they invest heavily in technology, data, and customer experience. Their collaborative culture brings together teams across product, marketing, and engineering ...

Product Lead

Hiring Organisation
Pathfinder Recruitment
Location
United Kingdom
Product Lead – Sports Betting (Football Focus) Remote - UK based This is a rare opportunity for a football betting-native product thinker, someone who understands how football bettors behave, to take control of an established, high-performing, community-led betting product, combining content, audience, and affiliate-driven … football betting market. What you’ll be doing Turning ideas, yours and others’, into live experiments that can be A / B tested in the product Building or shaping tools, features, and flows to validate those ideas quickly Analysing data on how bettors interact with ...

Senior Machine Learning Scientist, FinCrime

Hiring Organisation
Jobleads-UK
Location
Cardiff, Wales, United Kingdom
keen to learn Go which is used in many of our backend microservices. You have experience developing and shipping deep learning, graph-based, and / or sequence-based ML architectures to production and delivering business impact. You thrive working on ambiguous problems and have a track record … Commercial experience writing critical production code and working with microservices. Experience in evaluating ML models in live environments such as through A / B tests. What’s in it for you We’ll help you relocate to the UK. We can sponsor your visa. This ...

CRM Executive

Hiring Organisation
17918
Location
London, United Kingdom
Role: CRM Executive Location : 1 day a week in London short walk from Blackfriars Salary : Up to £40k base plus bonus and benefits, which includes big travel concessions Youll be joining a travel company, one which is UK focused and has a diverse audience … ideas for promotional opportunities by marrying customer needs with the commercial opportunity. Setting up and running tests on campaign concepts through A / B tests as well as MVT to see what works most effectively before moving to large-scale rollout. Theres agency support ...

Analytics Manager

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
Analytics Manager London (3 days per week) Up to £89,000 + bonus This is an opportunity to join a business undergoing a major transformation, where analytics sits at the centre of commercial decision making. You will play a key role in shaping … retail, and finance teams to support strategic decision making Support KPI reporting and dashboard development using Power BI Design and evaluate A / B tests to optimise performance across channels Conduct segmentation, cohort, and lifetime value analysis Improve reporting frameworks, data quality, and consistency ...