CRO and Personalization Specialist

fastshop

CRO Specialist optimizing e-commerce conversion and personalization strategies for Fast Shop. Collaborating across business, product, and technology teams using data insights for continuous improvement.

Posted 7/14/2026full-timeSão Paulo • 🇧🇷 BrazilMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Conversion Rate Optimization (CRO) and digital personalization strategies, leveraging data analysis and A/B testing to enhance e-commerce performance. Proficient in collaborating with cross-functional teams to drive user experience improvements and optimize conversion metrics.

Highest-signal resume keywords

Conversion Rate Optimization (CRO)A/B Testing and Multivariate TestingPersonalization Platforms (Insider, VWO, Optimizely)Google Analytics 4 (GA4) and Google Tag Manager (GTM)User Behavior Analytics

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Conversion Rate OptimizationA/B TestingMultivariate TestingData AnalysisDigital Performance IndicatorsUser Experience (UX)Customer Journey OptimizationStatistical AnalysisSegmentation StrategiesBehavior-Based Data Insights

Soft Skills

Strong Communication SkillsCollaborationAnalytical ThinkingProblem-SolvingStrategic Decision-Making

Tools & Technologies

InsiderVWOOptimizelyGoogle Analytics 4 (GA4)Google Tag Manager (GTM)

Industry Keywords

E-commerceConversion FunnelUser BehaviorKey Performance Indicators (KPIs)Digital Channel Optimization

About the role

Key responsibilities & impact

Responsible for identifying opportunities and structuring initiatives for conversion rate optimization (CRO) and personalization of the e‑commerce experience through the management of A/B tests, personalized journeys, and segmented campaigns, working in an integrated manner with the business, product, and technology teams.
Participates in the prioritization and monitoring of initiatives within development pipelines, ensuring improvement of key performance indicators (conversion, revenue, and user experience) and generating behavior-based data insights to support decision-making and maximize results for the digital channel.
Define and manage the CRO roadmap: structure, prioritize, and track the backlog of conversion optimization initiatives, consolidating opportunities identified through data analysis, user behavior, and business needs, in partnership with Product, Technology, and E‑commerce teams.
Plan, execute, and analyze A/B tests and experiments: develop optimization hypotheses, define success metrics, monitor test execution, and interpret results using statistical criteria, converting learnings into actions to increase conversion.
Develop digital personalization strategies: create and evolve personalized journeys by customer profile and behavior, implementing campaigns, storefronts, recommendations, badges, coupons, cashback, and other mechanics using platforms such as Insider, VWO, or similar.
Analyze customer behavior and identify optimization opportunities: monitor the user journey on App, Mobile Web, and Desktop, identifying bottlenecks, drop-off points, and improvement opportunities that drive conversion and enhance the customer experience.
Lead CRO initiatives alongside Product and Technology teams: translate opportunities into functional requirements, follow solution development, validate deliveries in QA environments, and ensure correct implementation of improvements before release.
Monitor performance and conversion metrics: track KPIs such as conversion rate, revenue, average order value, engagement, and personalization performance, proposing continuous actions to maximize e‑commerce results.
Document experiments and share learnings: consolidate hypotheses, results, and insights obtained from tests in a structured repository, promoting continuous evolution of the CRO strategy and supporting future decision-making.
Support decision-making through strategic analyses: turn behavioral, navigation, and conversion data into actionable recommendations, identifying opportunities by channel, device, and stage of the customer journey to drive business results.

Requirements

What you’ll need

Bachelor's degree in Marketing, Advertising, Business Administration, Engineering, Statistics, Economics, Data Science, Information Systems, or related fields.
Experience in CRO (Conversion Rate Optimization), conversion optimization, and experimentation in e‑commerce.
Hands-on experience designing, executing, and analyzing A/B tests and multivariate tests.
Experience with personalization and experimentation platforms such as Insider, VWO, Optimizely, or similar.
Knowledge of Google Analytics 4 (GA4), Google Tag Manager (GTM), and user behavior analytics tools.
Familiarity with e‑commerce metrics, conversion funnel, user experience (UX), and customer journey concepts.
Experience defining and tracking digital performance indicators.
Analytical, data-driven profile with strong communication skills and the ability to collaborate effectively with multidisciplinary teams.

Benefits

Comp & perks

Medical and Dental Insurance: We care for your health and peace of mind with quality medical and dental coverage.
Pharmacy Discount Program: Exclusive discounts on medications to make healthcare more accessible.
Life Insurance: Protection and security for you and your family at every stage of life.
Meal Allowance and Transportation Voucher: Essential benefits for your daily routine, providing convenience and practicality.
Wellhub: Access to gyms and a variety of physical activity options to promote your physical health and well-being.
Funeral Assistance: Specialized support and care in difficult moments.
QualiFast Program: Our health and well‑being program offers nutritional care, psychological support (psychotherapy sessions via Wellz), social assistance, hospitalization follow-up, primary health care (PHC), a special program for pregnant employees (First Steps), and financial education through the Saber Finance program.
SaberFast Corporate University: Online platform with training and development programs for continuous career growth.
Education Discounts and Partnerships: Incentives for your academic and professional growth with special conditions for courses and degree programs.