201 to 225 of 341 A/B Testing Jobs in London

Job Title: Lead Data Engineer Location: London (Hybrid) Type: Full-time Agency: Representing a leading digital media group We're representing a forward-thinking digital media organisation with a growing portfolio of high-traffic content brands. As they continue to scale their data capabilities, they're seeking a Lead Data Engineer to … analytics, ad tech, and social platforms. Lead engineering efforts to automate workflows using tools like Airflow, dbt, and Spark. Build robust data models to support dashboards, A / B testing, and revenue analytics. Collaborate with cross-functional teams to deliver actionable insights and support strategic initiatives. Drive cloud-based data infrastructure projects, particularly … on GCP. Manage and mentor a Data Engineer, fostering growth and technical excellence. Requirements: Advanced SQL skills and experience with relational / non-relational databases. Proficiency in Python and / or Java for data services and API integration. Proven experience with cloud platforms (GCP preferred) and data warehouses like BigQuery or Snowflake. Strong analytical skills and More ❯

Job Title: Lead Data Engineer Location: London (Hybrid) Type: Full-time Agency: Representing a leading digital media group We're representing a forward-thinking digital media organisation with a growing portfolio of high-traffic content brands. As they continue to scale their data capabilities, they're seeking a Lead Data Engineer to … analytics, ad tech, and social platforms. Lead engineering efforts to automate workflows using tools like Airflow, dbt, and Spark. Build robust data models to support dashboards, A / B testing, and revenue analytics. Collaborate with cross-functional teams to deliver actionable insights and support strategic initiatives. Drive cloud-based data infrastructure projects, particularly … on GCP. Manage and mentor a Data Engineer, fostering growth and technical excellence. Requirements: Advanced SQL skills and experience with relational / non-relational databases. Proficiency in Python and / or Java for data services and API integration. Proven experience with cloud platforms (GCP preferred) and data warehouses like BigQuery or Snowflake. Strong analytical skills and More ❯

customers' business challenges and come up with creative solutions. Hands-on experience building or managing products powered by machine learning or AI. Experience designing or interpreting evaluations for AI / ML systems, including A / B tests, offline metrics (e.g. precision / recall), or human-in-the-loop feedback methods. Ability to clearly … Independent, proactive, takes ownership and responsibility. Technically literate and not afraid to dive into technical details when needed. Smart, curious, self-learner and enthusiastic about product management and ML / AI. Willing to occasionally travel abroad (usually up to 3 times a year). Experience in any of the following will be of high value: Digital Experience … Experience Analytics (DXA) products. Experience working with personalisation engines or recommender systems Apply for this job indicates a required field First Name Last Name Email Phone Resume / CV Enter manually Accepted file types: pdf, doc, docx, txt, rtf Enter manually Accepted file types: pdf, doc, docx, txt, rtf LinkedIn Profile Website What is your Visa status More ❯

Hello! We're Teya. Teya is a payment and software service provider, headquartered in London serving small, local businesses across Europe. Founded in 2019, we build easy to use, integrated tools that enable our members to accept payments and boost business performance. At Teya we believe small, local businesses are the lifeblood of our communities. We're here … because we don't believe there's a level playing field that gives small businesses with a fighting chance against the giants of the high street. We're here because we see banks and legacy service providers making things harder for them. We don't think the best technology or the best service should be reserved … for one or more key product areas or lifecycle stages, with accountability for performance and iteration Creates and manages CRM campaigns in Braze; designing workflows, creating A / B tests, analysing email performance, and optimising campaigns based on data insights Supports the launch of new products and features, and activating CRM campaigns to existing members More ❯

inform design and development. A strong leader with experience managing and mentoring research teams. Able to synthesize complex data into meaningful recommendations that guide product and UX / UI teams. Confident in articulating research findings to diverse stakeholders, influencing product direction with evidence-based insights. WHAT WILL YOU DO? Research & Insights Generation Develop and communicate a … innovation, and continuous improvement within the team. Provide mentorship and guidance to researchers, supporting their growth and development. Collaboration with Product & Design Teams Work closely with product managers, UX / UI designers, and data analysts to integrate research insights into product development. Collaborate with designers to translate research findings into design solutions, including wireframes and prototypes. Support product design … design implementations against research insights and user needs. Advocate for user needs in product discussions, balancing business goals and usability. Partner with analytics teams to develop A / B testing plans and measure the impact of design changes. Represent the voice of the user, advocating for user-centered decision-making among senior leadership. More ❯

Who are we We’re a dynamic and rapidly expanding Corporate Services Group, led by our passionate founder and CEO. With a thriving customer base of over 500,000 and consistent growth of 20% year-on-year, we're shaking up the business services space. From Company Formation and Legal Support to Virtual Offices. We provide … points for: Previous experience in business services or financial technology (FinTech), especially in areas like compliance, payments, or SaaS metrics. Exposure to statistical analysis or experimentation (A / B testing, cohort analysis, etc.). Familiarity with data pipeline tools (e.g., Airflow) and modern data stack concepts. Why join us Unique opportunity . Be … empathy, integrity, and innovation—and we want you to be the voice and leader who helps us get there. Remuneration and Benefits 25 days annual leave, plus 8 public / bank holidays Private Medical, Dental and Optical Insurance for you and your family Death in Service cover (4x annual salary) Employee Assistance Program 14 weeks maternity leave pay More ❯

Who are we We’re a dynamic and rapidly expanding Corporate Services Group, led by our passionate founder and CEO. With a thriving customer base of over 500,000 and consistent growth of 20% year-on-year, we're shaking up the business services space. From Company Formation and Legal Support to Virtual Offices. We provide … points for: Previous experience in business services or financial technology (FinTech), especially in areas like compliance, payments, or SaaS metrics. Exposure to statistical analysis or experimentation (A / B testing, cohort analysis, etc.). Familiarity with data pipeline tools (e.g., Airflow) and modern data stack concepts. Why join us Unique opportunity . Be … empathy, integrity, and innovation—and we want you to be the voice and leader who helps us get there. Remuneration and Benefits 25 days annual leave, plus 8 public / bank holidays Private Medical, Dental and Optical Insurance for you and your family Death in Service cover (4x annual salary) Employee Assistance Program 14 weeks maternity leave pay More ❯

Scientist - Customer & Behavioural Analytics £70,000 - £80,000 + Bonus + Benefits Hybrid Working - 1 day in the office circa every 2 weeks. Role Summary We are seeking a commercially minded Senior Data Scientist to lead the development of advanced analytics and machine learning solutions focused on customer behavior, personalization, and lifecycle management. Your work will directly impact … targeting strategies, and user engagement Own the end-to-end lifecycle of models: from problem framing to deployment and monitoring Present analytical findings and strategies to stakeholders in a compelling and actionable way Mentor junior data scientists and contribute to the evolution of data science standards and practices Key Skills & Technologies Technical: Strong in Python (pandas … scikit-learn, XGBoost, LightGBM, etc.) Proficient in SQL for complex customer data extraction and manipulation Experience with customer analytics techniques: segmentation, RFM analysis, clustering, time-series, A / B testing, uplift modeling Familiarity with BI tools (e.g. Tableau, Power BI) for communicating customer insights Comfortable working with large datasets from sources like CRM More ❯

Salary: £35,000 – £45,000 + 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 – £45,000 + 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 ❯

Social network you want to login / join with: Machine Learning Ops Engineer - AI, London col-narrow-left Client: Opus 2 Location: London, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Reference: 49e4bb405041 Job Views: 2 Posted: 12.07.2025 Expiry Date: 26.08.2025 col-wide Job Description: As Opus 2 continues to embed AI … automated systems for machine learning, particularly for cutting-edge LLM-powered applications. What you'll be doing Design, build, and maintain our MLOps infrastructure, establishing best practices for CI / CD for machine learning, including model testing, versioning, and deployment. Develop and manage scalable and automated pipelines for training, evaluating, and deploying machine learning models, with a … models into our production environment and ensure seamless operation within the broader product architecture. Own the operational aspects of the AI lifecycle, from model deployment and A / B testing to incident response and continuous improvement of production systems. Contribute to our AI strategy and roadmap by providing expertise on the operational feasibility More ❯

resolution rates Build automation frameworks that streamline complex workflows Research, prototype, and implement emerging technologies that enhance customer experience Develop intelligent routing and escalation systems Create A / B testing frameworks for automation initiatives Backend Development & Analytics Build backend systems that capture and process customer interaction data Develop dashboards and reporting tools that … communication skills with both technical and business stakeholders Preferred Experience Ruby on Rails proficiency (our primary backend framework) Intercom platform and API experience or similar customer communication platforms AI / ML technologies knowledge and practical implementation experience Jira, support tools, and workflow automation experience Shopify ecosystem and API familiarity (we're deeply integrated with Shopify) E-commerce or SaaS … holidays Private health insurance (Vitality) Brand new Macbook, access to equipment as required Financial Wellbeing + Salary Sacrifice Pension via Mintago Flexible Working Hybrid setup: 2 office days (Tues / Thurs), 3 remote Modern Shoreditch office near Old Street No overtime culture Casual dress code Work from Anywhere (4 weeks per year) Team Life Weekly team meals Quarterly events More ❯

achieve enhanced efficiency, better decision-making and harness their competitive edge. We build with tomorrow in mind, transforming ideas into action and empowering our customers to succeed in a world of constant change. We make big happen for our customers. We are a business driven by our values and have these at the centre of everything … we do. Our BigHanders are dedicated to building a culture where We Win Together, We Love to Learn, We Do the Right Thing, We Own It and We Find the Fun. About the role We're looking for a Campaign Insight Analyst to be the bridge between marketing data and action. In this role, your focus … not. Partner with the Head of Marketing Operations to evolve how we measure impact across the buyer journey-helping us better connect activities to outcomes. Support A / B testing and other experiments by providing clear insight into results and what they mean for future campaigns. Deliver regular performance summaries and insight briefings More ❯

on this job and more exclusive features. Why PlayStation? PlayStation isnt just the Best Place to Play its also the Best Place to Work. Today, were recognized as a global leader in entertainment producing The PlayStation family of products and services including PlayStation5, PlayStation4, PlayStationVR, PlayStationPlus, acclaimed PlayStation software titles from PlayStation Studios, and more. Why PlayStation? PlayStation … isnt just the Best Place to Play its also the Best Place to Work. Today, were recognized as a global leader in entertainment producing The PlayStation family of products and services including PlayStation5, PlayStation4, PlayStationVR, PlayStationPlus, acclaimed PlayStation software titles from PlayStation Studios, and more. PlayStation also strives to create an inclusive environment that empowers employees and embraces … members and upholding high analytical standards Collaborative, proactive attitude with strong ability to align and influence cross-functional partners Familiarity with personalisation systems, recommender models, or A / B testing in an e-commerce or customer lifecycle context Experience with large-scale experiments, particularly in high-traffic environments Strong problem-solving, critical thinking More ❯

on data science experience with at least 2 years of experience with LLM Awareness of current LLM techniques, prompt tuning, evaluations and model monitoring. In-depth knowledge of AI / ML / DL, Statistics, and related open-source libraries. Strong skills in SQL and at least one programming language. To be comfortable in code reviews, discussing architecture, and … collaborating with a multidisciplinary team for regular model deployments. Experience in deploying online solutions and analysing real-time results through A / B testing. To be passionate about mentoring junior members of the team, and have a strong desire to help us perform to the best of our ability. Leadership qualities … request. Please include the job requisition number in your message. Apply for this job indicates a required field First Name Last Name Email Phone Location (City) Resume / CV Enter manually Accepted file types: pdf, doc, docx, txt, rtf Enter manually Accepted file types: pdf, doc, docx, txt, rtf LinkedIn Profile Website Current Company Current Title Application More ❯

Job Profile We are seeking a highly experienced and strategic Principal Product Manager - Data Science & Machine Learning to drive the vision, strategy, and execution of AI / ML-powered products. You will work closely with data scientists, engineers, and cross-functional teams to build scalable machine learning solutions that enhance user experience and drive business impact. Vista … Define and own the product vision, strategy, and roadmap for machine learning and data science initiatives. Collaborate with engineering and data science teams to develop and deploy scalable AI / ML models. Identify customer and business problems that can be addressed through AI / ML solutions. Work closely with stakeholders to translate business requirements into actionable ML-driven … features and capabilities. Drive experimentation, A / B testing, and iterative improvements to optimize model performance and product outcomes. Partner with engineering teams to ensure seamless integration of machine learning models into production environments. Develop success metrics and monitor the impact of machine learning initiatives on key business KPIs. Stay informed on the More ❯

rare opportunity to join a high-growth, purpose-led home and garden lifestyle brand at the intersection of sustainability, technology, and design. Key Responsibilities: UX / UI & Website Design Design and optimise user flows, wireframes, and responsive layouts for our WooCommerce site. Collaborate with devs and marketing to deploy and test user experiences that convert. … Maintain and evolve the design system and brand consistency across all web assets. WordPress & WooCommerce Work with developers (or light theme editing yourself) to implement visual updates using Elementor / Divi or custom themes. Manage landing pages, campaign pages, and microsites for products and services. Optimise UX for both desktop and mobile performance and accessibility. Visual & Print Design Create … email, blog, and video thumbnails. Optional: SEO & Digital Marketing UX collaboration with SEO team to improve engagement and CRO. Design lead magnets and conversion-focused visuals. A / B test layout variations with marketing and growth teams. What You’ll Need: 3+ years experience in UX design with a strong focus on WordPress More ❯

Why PlayStation? PlayStation isnt just the Best Place to Play its also the Best Place to Work. Today, were recognized as a global leader in entertainment producing The PlayStation family of products and services including PlayStation5, PlayStation4, PlayStationVR, PlayStationPlus, acclaimed PlayStation software titles from PlayStation Studios, and more. PlayStation also strives to create an inclusive environment that empowers … employees and embraces diversity. We welcome and encourage everyone who has a passion and curiosity for innovation, technology, and play to explore our open positions and join our growing global team. The PlayStation brand falls under Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation. Our Data Science Analytics and Enablement (DSAE) team inspires … members and upholding high analytical standards Collaborative, proactive attitude with strong ability to align and influence cross-functional partners Familiarity with personalisation systems, recommender models, or A / B testing in an e-commerce or customer lifecycle context Experience with large-scale experiments, particularly in high-traffic environments Strong problem-solving, critical thinking More ❯

Why PlayStation? PlayStation isn't just the Best Place to Play - it's also the Best Place to Work. Today, we're recognized as a global leader in entertainment producing The PlayStation family of products and services including PlayStation5, PlayStation4, PlayStationVR, PlayStationPlus, acclaimed PlayStation software titles from PlayStation Studios, and more. PlayStation also strives to create an inclusive … environment that empowers employees and embraces diversity. We welcome and encourage everyone who has a passion and curiosity for innovation, technology, and play to explore our open positions and join our growing global team. The PlayStation brand falls under Sony Interactive Entertainment, a wholly-owned subsidiary of Sony Group Corporation. Our Data Science Analytics and Enablement … members and upholding high analytical standards Collaborative, proactive attitude with strong ability to align and influence cross-functional partners Familiarity with personalisation systems, recommender models, or A / B testing in an e-commerce or customer lifecycle context Experience with large-scale experiments, particularly in high-traffic environments Strong problem-solving, critical thinking More ❯

Digital & AI Strategy Manager Location: Shoreditch, East London (Hybrid Working Available) Salary: Competitive + Bonus + Benefits About the Role We’re looking for a strategic and tech-savvy Digital & AI Strategy Manager to lead the evolution of our marketing capabilities through digital innovation and artificial intelligence. This role is central to shaping how we use AI to … enhance customer acquisition, engagement, and retention in a fast-paced fintech environment. You’ll be responsible for identifying and implementing AI-driven marketing solutions, optimising digital channels, and driving data-led decision-making across campaigns and customer journeys. This is a unique opportunity to blend strategic thinking with hands-on execution in one of the UK … paid media) using AI for real-time optimisation and targeting. Implement machine learning models to enhance lead scoring, churn prediction, and conversion strategies. Drive experimentation and A / B testing using AI-powered platforms. Data-Driven Decision Making Establish KPIs and dashboards to measure the impact of AI and digital initiatives on marketing More ❯

Title: Ecom and Digital Executive This is a part-time position. Reporting to: Creative Directors Candidate Profile: At least 5 years of relevant ecommerce trading management experience within a fashion retail business, ideally with Shopify+. Must be well-versed in end-to-end online trading operations, including marketing, with a holistic view on driving … Marketing and tech background. Expertise in Shopify+. Knowledge of digital marketing channels (PPC, SEO, Social Media, Display, Affiliate). Familiarity with attribution modeling, website speed optimization, A / B testing, conversion management, sales journey optimization, traffic analysis, and reporting tools. Key Responsibilities: Manage the brand's digital trading plan, including P&L, forecasts … for new content and plan website promotions with business heads. Enhance the D2C customer experience, aiming to exceed expectations. Develop competitor benchmark reports and propose website evolutions. Manage email / CRM campaigns to attract and retain customers and identify new engagement opportunities. Keep customer service informed of plans and promotions. Lead website optimization projects and integrations. Manage projects for More ❯

we’ve grown to be one of the world’s largest mobile game studios. Headquartered in London, with offices in Barcelona, Gdańsk, Lviv, Montreal and a remote team spanning the USA, we are truly a global powerhouse. Our hit titles, such as Lightning Link Casino, Cashman Casino and Heart of Vegas, captivate millions of … implementation is overseen. Learn to define, measure and analyse key performance indicators (KPIs) and understand how metrics inform future priorities and decisions. Assist with performing systematic A / B tests (split testing) and learning how to interpret the results. Support the ongoing optimisation of features post-launch to continually enhance engagement and monetisation. … genuine passion for gaming products and a creative outlook. Clear and effective communication skills. Entry requirements for this programme are as follows: Level 3 Qualification (Apprenticeship / 1 x A Level in any subject / BTEC etc.)? OR equivalent work experience (typically 2 years in a relevant role)? PLUS? 5 x More ❯

The role We are looking for a strong Paid Performance Marketing Manager to develop a leading performance marketing operation that can scale our user base across UK, US and provide consultation support to DE & FR. You'll be someone looking to step up in your career, looking for the ability to lead with autonomy and own … the creation of new processes. You'll be attracted to working in a start-up style environment, with the benefit … of an established business as support. Day to day, you'll have full ownership of our paid media spend, digital channel mix, and its execution and A / B testing. What you'll be doing CHANNEL STRATEGY - Own and develop our channel strategy for all media: paid search, paid social campaigns (Adwords, Meta, TikTok, YouTube More ❯

website tests. What You'll Do Own Conversion Rate Optimization Map and optimize the complete customer experience from website visit through purchase and beyond Use analytics tools (GA4, PostHog / Mixpanel / Amplitude) to prioritize highest-impact optimization opportunities Build data-driven customer segments using CDPs and analytics tools to personalize conversion experiences Push hard on key conversion … Identify conversion bottlenecks across our funnel and coordinate cross-functional teams to fix them Lead Website Experimentation Own our testing strategy and roadmap - identify A / B test opportunities across landing pages, forms, and checkout process Drive rapid experimentation with external agencies and internal teams to optimize conversion at every funnel stage Communicate … behaviour and customer journey stage About you 5+ years in CRO, marketing automation, or growth marketing with B2C companies Hands-on experience with email automation platforms ( Customer.io ideal, Klaviyo / similar good) Proven track record of website and post-lead conversion rate growth Customer journey mapping and multi-channel optimization experience Analytics proficiency - comfortable making quick decisions from data More ❯

adopt innovative concepts that offer tangible benefits. To be successful in the role, you'll need: 5+ years of hands-on data science experience. In-depth knowledge of AI / ML / DL, Statistics, and related open-source libraries. Previous experience of working on industrial grade recommendation systems and ideally familiarity with offline evaluation techniques. Awareness of current … reviews, discussing architecture, and collaborating with a multidisciplinary team for regular model deployments. Experience in deploying online solutions and analysing real-time results through A / B testing. To be passionate about mentoring junior members of the team, and have a strong desire to help us perform to the best of … Please include the job requisition number in your message. Apply for this job indicates a required field First Name Last Name Preferred First Name Email Phone Resume / CV Enter manually Accepted file types: pdf, doc, docx, txt, rtf Enter manually Accepted file types: pdf, doc, docx, txt, rtf More ❯