1 to 25 of 71 Permanent A/B Testing Jobs in London

Senior UX/UI Designer (CRO)

Hiring Organisation
VML Enterprise Solutions
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Senior UX / UI or Product Designer with a specialized focus on Conversion Rate Optimisation (CRO) and experimentation to join our dynamic, flexible team, Embedded directly within our dedicated CRO squad. The opportunity: We are seeking a highly skilled and passionate UX / … within a cross-functional CRO squad, you will be responsible for the end-to-end design life cycle of A / B and multivariate tests, ensuring every design is both meticulously executed and strategically optimized for maximum performance. What you'll be doing ...

Principal Product Manager - Discovery & Onboarding(Exchange)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Product Management team drives product initiatives from inception through execution, makes impacts and launches products / features across our global footprint. We collaborate closely with engineers, designers, analysts, marketers, and other cross‐functional team members to ship remarkable features and products. About the Role Crypto.com Exchange serves tens … pages, what drives them toward sign‐up, and where we can sharpen the experience. You will run a relentless A / B testing programme to convert high‐intent visitors into registered users. Onboarding You will own the full sign‐up funnel ...

AI & Model Evaluation Product Director

Hiring Organisation
17918
Location
London, United Kingdom
Requirements / h3 ul li Bachelor's, Master’s, or PhD or equivalent experience in Computer Science, Machine Learning, Applied Mathematics, Statistics, Financial Engineering, or a related quantitative field / li , li Significant professional experience (typically 7–12+ years) in AI / ML product development … / management, model validation, quantitative research, risk modelling, or related areas / li , li Demonstrated success working with technical teams or senior specialists in high stakes modelling environments / li , li Deep understanding of AI / ML systems including LLMs, agentic architectures, RAG pipelines, credit ...

Principal Product Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
defining the strategy for major meta shifts and economy refreshes that define the game's yearly cycle. Optimization & Scale: Drive the A / B testing framework and define the technical tool requirements needed to build an elite, automated team workflow. Execution & Team Management … games, and a thorough understanding of their success drivers. Advanced Analytical Ability: Highly scientific approach to data; experience defining A / B testing frameworks, forecasting performance, running complex live ops, and investigating high-level game performance issues. Ownership & Drive: A ...

Principal Engineering Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
direction and standards across a broad area, drive architecture and engineering excellence, and partner closely with Product, Design, Engineering Leadership and Data / Analytics to turn customer and business needs into coherent, measurable outcomes. You'll play a key role in helping teams make good … supporting services, ensuring solutions are scalable, maintainable and aligned with the broader platform direction Champion an experimentation-first approach, embedding A / B testing, measurement and iteration into the way teams build, validate and evolve experiences Raise the engineering bar across teams ...

Senior Marketing Data Analyst (12-month FTC)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
marketing stakeholders to optimise campaigns and improve ROI Provide insight into customer acquisition, engagement, retention and lifetime value Design and analyse A / B tests to support experimentation and performance improvement Build dashboards and enable self-serve analytics for non-technical stakeholders Collaborate with product … working with large datasets Proven experience in performance analytics within a digital environment Hands-on experience with experimentation and A / B testing Familiarity with tools such as Google Analytics or similar platforms Experience with data visualisation tools such as Looker ...

Conversion Rate Optimisation Manager

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Romford, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
. What you'll be doing Own the experimentation roadmap and CRO strategy across the full customer journey Design and run A / B tests across email, website, and direct marketing channels Identify customer pain points and define optimisation opportunities Work with UX, engineering … continuous optimisation Drive a culture of data-driven experimentation across the business What you bring Must-haves Strong experience working in CRO / experimentation / optimisation roles Proven experience owning an experimentation roadmap (not just contributing) Hands-on experience running A / B ...

Product Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
Product Analyst - £55,000 (Hybrid - London) Industry: Consumer Marketplace / Mobile App Department: Product & Insights We're looking for a Product Analyst to join a fast-growing consumer marketplace used by millions globally. You'll work closely with product managers, designers, and engineers to uncover … Analyse user behaviour and product performance across key journeys Build dashboards and self-serve insights for cross-functional teams Support A / B testing: design experiments, interpret results, recommend next steps Work with data and platform teams to ensure clean, scalable datasets Present ...

Midweight UX/UI Designer

Hiring Organisation
Salt
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£60,000
weight UI / UX Designer | Remote (UK ) | £55,000 - £60,000 About the Company We're partnering with a fast-growing, profitable student platform that's just closed a £7m Series A and is gearing up for a US launch. Think … micromanagement . The Role This is a new seat at the table. There has never been a dedicated UI / UX designer in the business, and the opportunity is wide open - both products need you. You'll own the end-to-end design process across ...

Experimentation Manager (CRO)

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 per annum
execution across multiple digital platforms. The Role Support the build-out of an experimentation centre of excellence Translate business OKRs into A / B testing roadmaps Own test prioritisation, ideation and execution Run experiments end-to-end (design launch analysis insight) Work closely … hands-on role - you'll need to think strategically while still being able to execute and deliver. About You Proven experience running experimentation / CRO programmes Hands-on experience building and analysing A / B tests Strong understanding of experimentation principles & metrics Experience with ...

Lead Product Analyst - Business Account Management

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
accelerate or advocate for better alternatives. Ensure accurate, impactful, fast decision making with high quality analysis, raising the bar for A / B testing and helping us to iterate faster. Build automated data pipelines and dashboards to minimise repetitive tasks and allow data … write clear, performant, and reliable queries to transform large complex datasets) You have experience building and owning automated data pipelines with tools like DBT / Airflow Experimentation & Statistics: Experience running A / B tests and analysing the results to drive product decisions. Ownership ...

Director, Search & AI Evaluation

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
across platforms. Evaluation & Experimentation Leadership Define and operationalise evaluation frameworks for search and generative AI systems, including IR metrics (NDCG, recall, precision) and LLM / RAG evaluation methodologies. Develop grounding and faithfulness evaluation, human evaluation, and annotation strategies. Design online experimentation and A / B … search relevance and ranking systems, semantic search, retrieval‐augmented generation, evaluation methodologies for IR and generative AI, experimentation frameworks and A / B testing. Strong experience with vector retrieval and hybrid search architectures, LLM evaluation and AI quality measurement, embeddings, reranking, and retrieval orchestration. Experience ...

Lead Product Analyst - Business Account Management

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
accelerate or advocate for better alternatives. Ensure accurate, impactful, fast decision making with high‐quality analysis, raising the bar for A / B testing and helping us iterate faster. Build automated data pipelines and dashboards to minimise repetitive tasks and allow data self … transform large complex datasets. Experience building and owning automated data pipelines with tools like DBT or Airflow. Experimentation & Statistics: Experience running A / B tests and analysing the results to drive product decisions. Ownership: Enjoy working independently in a fast‐paced environment, identifying ...

Experimentation Specialist

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£37,000 - £45,000 per annum, Inc benefits
Centre of Excellence for experimentation across digital teams Translate business objectives and OKRs into clear experimentation roadmaps Prioritise, design and execute A / B tests across web and digital platforms Act as a hands-on experimentation specialist, not just test execution but strategic … Experience Strong experience running experimentation or CRO programmes in a digital environment Hands-on experience setting up and analysing A / B tests Solid understanding of experimentation principles, metrics and statistical concepts Experience with digital analytics and experimentation tools such as GA4, Optimizely ...

Head of Site Analytics and Optimisation @NET-A-PORTER @MR PORTER

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
## Head of Site Analytics and Optimisation @NET-A-PORTER @MR PORTERApplylocations: London, UKtime type: Full timeposted on: Posted Yesterdayjob requisition id: R-16962NET-A-PORTER is the leading luxury fashion destination for women. The first digital platform of its kind, NET-A-PORTER … driven innovation (Google Vertex) across search, recommendations, and site experience, while overseeing end-to-end site and app experimentation governance, including A / B testing, hypothesis development, segmentation strategy, performance measurement, and statistical validity.**The type of person we are looking for:*** Strong ...

Global Banking & Markets - Data / Machine Learning Scientist, Marquee Sales Strats, Associate

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
IMPACT As a Data Scientist / Machine Learning Scientist in the Global Markets Division, you will be at the forefront of innovation on the trading floor. You will design and implement advanced machine learning models, including predictive AI, to uncover complex market trends and generate actionable insights. … through advanced analytics, predictive modelling, and the application of recommendation systems. Our data scientists and machine learning engineers are applying advanced quantitative and AI / ML techniques to solve the most complex business challenges in a dynamic, entrepreneurial team with a passion for the markets. ...

Unity Developer C# Mobile Games

Hiring Organisation
Pro Contract Jobs Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
£60,000
Location London onsite or hybrid depending on studio. Some teams also offer the option to work part of the year from a Tokyo or New York Offices. Job type Full time permanent, with some studios offering a 12 month fixed term contract subject to renewal Salary … Typically £50,000 to £60,000 per year depending on experience Role overview We are looking for a technically strong Unity Developer who enjoys building games that feel great to play and can move fast without breaking quality. This role blends rapid prototyping and iteration with solid engineering ...

Senior Analytics Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
KPIs to ensure consistency, reliability, and alignment with business goals. What you need to succeed: 3+ years of leadership experience across Analytics and / or Data Science teams, with a demonstrated ability to coach, mentor, and develop both managers and senior individual contributors, complemented by 4+ years … technical quality, instilling accountability, and building a culture of curiosity, ownership, and continuous improvement. Deep experience with experimentation (A / B testing), including platform design, tracking strategy, and rigorous evaluation methodologies. Hands‐on expertise in advanced analytics (e.g., causal inference, predictive ...

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
Manager £50,000 - £60,000 This is an opportunity to take ownership of end-to-end customer experience and conversion strategy within a fast-paced, data-driven organisation. You will play a key role in shaping how digital journeys perform, using experimentation and insight to deliver … driven CRO and experimentation roadmap Use analytics, user behaviour data, and testing insights to identify opportunities for improvement Manage A / B testing and experimentation programmes to validate and scale changes Collaborate with product, engineering, UX, and marketing teams to deliver ...

Analytics Manager

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £89,000 per annum
will combine strong SQL and Python expertise with clear communication to deliver insights that directly influence business outcomes. The Company They are a large, data-driven organisation undergoing a significant transformation, with analytics at the core of their strategy. Operating across multiple business areas, they manage … decisions, using internal and external data sources Build and maintain dashboards and reporting solutions to track performance and KPIs Lead analytical projects including A B testing, cohort analysis, segmentation, and trend analysis Use advanced SQL to query and manipulate large datasets within a ...

Growth Product Manager - B2C Customer Acquisition

Hiring Organisation
Client Server
Location
North London, London, United Kingdom
Employment Type
Permanent, Work From Home
Growth Product Manager London / WFH to £100k 12 month FTC Do you have experience with customer acquisition within a B2C environment? You could be progressing your career at a growing Digital Wealth Management scale-up that offers a range of investment services … strong product thinking with commercial acumen, thrives on using data to drive decisions and enjoys building scalable acquisition engines that deliver sustainable growth. Location / WFH: You'll join the team in the London office with flexibility to work from home two days a week. About ...

Founding Applied Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Founding Applied Scientist Build AI systems that learn from experience to move real business metrics London / Remote | Full-time | Pavo Labs About Pavo Pavo is building Enterprise Superintelligence: compounding systems that take ownership of business outcomes and work with humans to deliver them. We believe that while foundation … line business metrics (e.g., retention, engagement, revenue) at scale (100M+ users). Production Engineering: You are an engineer first. Deep proficiency in Python / C++, experience with low-latency inference systems, and familiarity with distributed computing frameworks (Ray, Spark, Flink). You write code that survives in production ...

Senior Account Analytics Analyst

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
internal stakeholders * Work closely with cross-functional teams (sales, product, media, account teams) What we're looking for: * 3-5 years' experience in analytics / marketing analytics / data science * Strong statistical knowledge (A / B testing, confidence intervals, model uncertainty … Experience with MMM or similar modelling techniques * Strong SQL and / or Python / R skills * Experience with BI tools (e.g. Tableau) * Understanding of digital advertising and targeting methods * Strong communication and client-facing skills About you: You're analytical, curious, and confident translating complex data into simple ...

Principal Product Designer-Onboarding

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Your Mission As a Principal / Staff Product Designer – Onboarding , you will be a senior individual contributor leading design for high-impact growth initiatives across the customer lifecycle—from acquisition and activation to engagement, monetization, and retention. This role sits at the intersection of product … insights from data, user research, and experimentation into clear design direction and impactful solutions Design and refine onboarding, activation flows, pricing and packaging, upsell / cross-sell experiences, and lifecycle touchpoints Balance rapid experimentation with high-quality, scalable design solutions Influence product and growth strategy through strong design thinking ...

Product Owner

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Owner IIApplyremote type: Hybridlocations: UK - Londontime type: Full timeposted on: Posted Todayjob requisition id: JR100061# Description**About the Role:**We’re looking for a Product Owner who thrives in a fast-paced, outcome-driven environment and is passionate about delivering products customers truly value. You will … Experience in finance, reconciliation or enterprise SaaS domains.* Familiarity with tools such as Jira, Confluence, or similar.* Exposure to product analytics, A / B testing, or data-driven decision-making.*At our core, Trintechers stand committed to fostering a culture rooted ...