26 to 50 of 61 A/B Testing Jobs in London

Machine Learning Engineering Manager

Hiring Organisation
Trainline
Location
London, UK
Employment Type
Full-time
sure the team builds well across the whole lifecycle: reliable data pipelines, high-quality features, rigorous offline and online evaluation (including A / B testing), reliable deployment, monitoring and ongoing maintenanceLead the team in building production-grade agentic systems, using orchestration harnesses such … privacy and clear fallbacks when an agent shouldn't act on its ownRaise the bar on engineering practice through code and design reviews, CI / CD, MLOps, observability and on-callBuild strong relationships with senior leaders and partner teams, explaining progress, trade-offs and impact in plain languageContribute ...

Staff Applied ML Engineer - Financial Crime

Hiring Organisation
Wise
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
145000 to 182000 GBP Annually
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 … Wise Wise Tech Stack (2025 update) See what it's like to work at Wise London! Our Engineering career map Wise Engineering – https: / / medium.com / wise-engineering What do we offer: Starting salary: £145,000 - £182,000 + RSUs Wise Benefits #LI-AB3 #LI-Hybrid ...

Lead Game Designer

Hiring Organisation
Tripledot Studios
Location
London, England, United Kingdom
roll mechanics.Balance hybrid monetisation across ads and IAP.Write clear design documentation for art, engineering and product teams.Analyse KPIs, playtests and A / B tests, and turn the results into design changes.Leading game designSet the design direction for the project, working with the product director … casual genres.Experience designing the economy, progression and monetisation of a live game, and tuning them using player data and A / B tests.Experience building playable prototypes yourself with AI tools.Leading game designExperience reviewing other designers’ work and helping them improve.Strong advantageExperience ...

Product Designer

Hiring Organisation
Randstad Technologies
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £490.00 per day
agentic workflows that simplify complex business workflows for everyday users. Partner closely with Product, Engineering, and Analytics to run disciplined A / B tests and experimentation loops that measurably move activation, onboarding, and retention metrics. Build resilient design patterns and frameworks that deploy seamlessly across … years driving product design in high-scale B2B SaaS or Fintech. Proven track record in PLG, funnel design, behavioral analytics, and A / B testing. Hands-on internationalization (i18n) experience (multi-currency, multi-language, or local regulatory / compliance flows). Practical AI design ...

Product Designer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £490/day
agentic workflows that simplify complex business workflows for everyday users. Partner closely with Product, Engineering, and Analytics to run disciplined A / B tests and experimentation loops that measurably move activation, onboarding, and retention metrics. Build resilient design patterns and frameworks that deploy seamlessly across … years driving product design in high-scale B2B SaaS or Fintech. Proven track record in PLG, funnel design, behavioral analytics, and A / B testing. Hands-on internationalization (i18n) experience (multi-currency, multi-language, or local regulatory / compliance flows). Practical AI design ...

NSL- ML Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Part Time
Government business stakeholders across the full lifecycle, from hypothesis through to production deployment. Leveraging our AWS-based infrastructure you will apply modern MLOps / LLMOps tooling to run rigorous experiments, track results, and deliver scalable solutions. A key aspect to the role is to balance rapid experimentation … security of the UK. Core Duties Design and develop machine learning models for traditional ML use cases (forecasting, classification, anomaly detection) and GenAI / LLM applications Lead experimentation cycles: define hypotheses, design experiments, evaluate results, and iterate rapidly while adhering to governance requirements Transition validated experiments into production-ready ...

NSL- ML Engineer

Location
London, United Kingdom
Government business stakeholders across the full lifecycle, from hypothesis through to production deployment. Leveraging our AWS-based infrastructure you will apply modern MLOps / LLMOps tooling to run rigorous experiments, track results, and deliver scalable solutions. A key aspect to the role is to balance rapid experimentation … security of the UK. Core Duties Design and develop machine learning models for traditional ML use cases (forecasting, classification, anomaly detection) and GenAI / LLM applications Lead experimentation cycles: define hypotheses, design experiments, evaluate results, and iterate rapidly while adhering to governance requirements Transition validated experiments into production-ready ...

NSL- ML Engineer

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
Government business stakeholders across the full lifecycle, from hypothesis through to production deployment. Leveraging our AWS-based infrastructure you will apply modern MLOps / LLMOps tooling to run rigorous experiments, track results, and deliver scalable solutions. A key aspect to the role is to balance rapid experimentation … security of the UK. Core Duties Design and develop machine learning models for traditional ML use cases (forecasting, classification, anomaly detection) and GenAI / LLM applications Lead experimentation cycles: define hypotheses, design experiments, evaluate results, and iterate rapidly while adhering to governance requirements Transition validated experiments into production-ready ...

Product Manager II

Hiring Organisation
Elsevier
Location
Greater London, United Kingdom
Employment Type
Full Time
scholarly communities to gather, prioritise, and validate their needs Formulate problem statements and test hypotheses through data and experimentation, including A / B testing Write clear product requirements, whether as user stories, PRDs, or specifications, and manage backlog prioritisation for your feature area … a cover letter and CV. Work in a way that works for you We promote a healthy work / life balance across the organisation. With an average length of service of 9 years, we are confident that we offer an appealing working prospect ...

Data Scientist II, Product & Technology Analytics

Hiring Organisation
Expedia
Location
London, England, United Kingdom
Expedia Group, we help travelers explore the world, one journey at a time. As a global travel company powered by passionate people, trusted partnerships, and leading technology, we connect travelers, partners, and advertisers through our consumer brands, B2B network, and travel advertising business.Here … like Tableau, enabling you to create compelling and insightful dashboards.Experience evaluating product impact using experimentation frameworks and causal inference methods (e.g., A / B testing, quasi-experiments).You're a collaborative team player with a proven track record ...

Senior Product Analyst (12 Month FTC)

Hiring Organisation
Just Eat Takeaway.com
Location
London, England, United Kingdom
Ready for a Challenge? Then Just Eat Takeaway.com might be the place for you. We’re a leading global online food delivery platform, and our vision is to empower everyday convenience. Whether it’s a Friday-night feast, a post-gym poke … Analytics) Knowledge of user behavior analytics tools (e.g., Snowplow, Google Analytics) and experience troubleshooting event tracking implementations Hands-on experience in A / B testing & experimentation to inform product decisions Ability to translate complex data into clear, actionable insights for technical ...

Senior Data Scientist

Hiring Organisation
Trainline
Location
London, UK
Employment Type
Full-time
provides seamless rail travel solutions for businesses, travel retailers, and rail carriers across the UK and Europe. TPS also works to develop new technologies / products and is at the forefront of the rail industry, presenting opportunities to launch new products, work to develop product market … decision making while keeping the team accountable and impactful Define focus through metrics to enable a broad spectrum of learning from experimentation / release cycles. We'd love to hear from you if you have... 5+ years commercial experience using data science and analytics to drive business ...

Lead Product Manager

Hiring Organisation
Just Eat Takeaway.com
Location
London, England, United Kingdom
heart of an ambitious, customer-obsessed, world-leading technology company. This is a senior role to build customer facing recommendation / ranking algorithms within the Customer department. This specific role focuses on the recommendations product which includes our home page ranking and recommendation systems. It would suit … partners that will deliver a great experience and food they will love. They are used to shape demand to achieve operational / commercial goals and to optimise revenue by maximising spend and promoting sponsored restaurants and products. The work we do makes a tangible difference ...

Director - Data Science & Machine Learning (Logistics)

Hiring Organisation
Just Eat Takeaway.com
Location
London, UK
90+ data scientists, operations research scientists, ML engineers and MLOps engineers, led through managers and principal data scientists. You will set the DS / OR / ML agenda, not just run it. The challenge is dual: keeping the real-time decision systems reliable at marketplace scale, while pushing … frontier on optimisation, supply / demand shaping and applied AI. Location: Hybrid, 3 days a week from our London or Amsterdam office and 2 days working from home These are some of the key components to the position: Deliver measurable improvement in delivery time, courier utilisation, cost ...

Lead Growth Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
Lead Growth Analyst Remote (UK) Up to £75,000 This is an opportunity to join a high-growth digital business at a pivotal stage in its journey. As a Lead Growth Analyst, you'll work at the intersection of Marketing and Product, helping shape … projects across Marketing and Product teams. Developing frameworks to improve marketing investment decisions, including spend optimisation and growth planning. Using experimentation, A / B testing, customer behaviour analysis, and performance measurement to inform strategic decisions. Translating complex analysis into clear commercial recommendations ...

Engineer

Hiring Organisation
Canada Life UK
Location
London, UK
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 ...

Lead Growth Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £75,000 per annum
Lead Growth Analyst Salary: Up to £75,000 + benefits, Remote An exciting opportunity for a Lead Growth Analyst to join a growing, consumer-focused technology business with ambitious plans for its next phase of growth. This is a newly created position within … marketing spend rulebook, helping optimise investment across channels. Explore opportunities to drive customer advocacy, referrals and organic growth. Develop and assess A / B testing and experimentation programmes. Translate complex analysis into clear, actionable recommendations for senior stakeholders. Coach and support other analysts ...

Senior Product Designer

Hiring Organisation
Executive Facilities
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£103,500 per annum, Pro-rata
London offices. Qualifications 7+ years of product design experience, with a focus on product-led growth, funnel and conversion design, or B2B / SaaS growth. Experience designing products for multiple international markets, including localization, multi-currency and multi-language experiences, and regulatory differences such as tax, compliance … invoicing. Strong experience with experimentation and A / B testing, and fluency in behavioural data and funnel analytics. Experience designing with AI / ML, such as personalization, agentic workflows, and AI-accelerated discovery and delivery. Excellent storytelling, communication, and influence skills, including ...

Senior Product Manager

Hiring Organisation
EF Recruitment
Location
SW1V, Victoria, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£100000 - £103500/annum Free breakfast, hybrid
London offices. Qualifications 7+ years of product design experience, with a focus on product-led growth, funnel and conversion design, or B2B / SaaS growth. Experience designing products for multiple international markets, including localization, multi-currency and multi-language experiences, and regulatory differences such as tax, compliance … invoicing. Strong experience with experimentation and A / B testing, and fluency in behavioural data and funnel analytics. Experience designing with AI / ML, such as personalization, agentic workflows, and AI-accelerated discovery and delivery. Excellent storytelling, communication, and influence skills, including ...

Regional CRM Manager

Hiring Organisation
Wise
Location
London, UK
Employment Type
Full-time
Company DescriptionWise is a global technology company, building the best way to move and manage the world's money. Min fees. Max ease. Full speed. Whether people and businesses are sending money to another country, spending abroad, or making and receiving international payments, Wise is on a … analytical skills and a passion for leveraging data to drive performance. Comfortable creating and running complex and impact-driven A / B testing plans. Ideally proficient in using Braze or similar ESPsAdditional InformationFor everyone, everywhere. We're people building money without ...

Senior Growth Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£75,000 per annum
Lead Growth Analyst London or Remote (UK) | £75,000 + Benefits This is an opportunity to step into a highly visible Lead Growth Analyst role at a fast-growing digital business where analytics sits at the centre of commercial decision making. You'll work across Marketing … data and communicating recommendations to senior stakeholders Working on cross-functional growth projects spanning acquisition, advocacy, retention, and organic growth Supporting A / B testing and experimentation programmes to assess the impact of new initiatives Developing scalable analytical frameworks that improve decision making ...

Customer Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£35,000 - £40,000 per annum
Customer Analyst £35,000-£40,000 London (Hybrid - 3x Days a Week in Office) The Company A globally recognised premium lifestyle brand with an established international presence is looking for a Customer Analyst to join its Digital Commerce team! Operating across EMEA and LATAM … complex analysis into clear, commercially focused insights and recommendations for non-technical stakeholders. Partnering with the Customer Journey team to support A / B testing, experimentation and digital experience optimisation. Supporting web analytics QA, including tagging, data-layer and tracking validation, to ensure ...

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 ...

Product Manager

Hiring Organisation
GlobalData UK Ltd
Location
London, United Kingdom, Blackfriars
Employment Type
Permanent
Purpose of the role The Product Manager will own product direction for assigned products or product areas, translating market and customer insight into a clear roadmap, and driving execution from discovery through launch and iteration. You will act as the voice of the customer internally and make data … Experience with subscription or B2B media products. Familiarity with agile delivery practices and product discovery techniques. Experience working with analytics platforms, A / B testing or experimentation frameworks. Knowledge of content workflows, metadata or editorial systems. Qualifications Degree or equivalent experience in a ...

Senior Web Instrumentation Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 per annum
Looking for a role where you can own digital measurement strategy and drive best-in-class Adobe Analytics implementation? This is an opportunity to join a well-established organisation investing heavily in its digital and data capabilities. You'll work across product, engineering, marketing and analytics … Implement and manage marketing and third-party tags Debug complex tracking issues and ensure data quality across platforms Support A / B testing and experimentation initiatives Partner with stakeholders to translate business requirements into technical measurement solutions Drive best practice across digital analytics ...