E-commerce Coordinator – CRO

Lojas Renner S.A.

CRO Coordinator responsible for driving conversion rate optimization strategies for digital channels at Lojas Renner S.A. Leading a team and collaborating across departments to enhance customer experience.

Posted 6/19/2026full-timeSão Paulo • 🇧🇷 BrazilMid-LevelSeniorWebsite

About the role

Key responsibilities & impact

Lead, develop and structure the CRO team, setting priorities, rituals and working frameworks.
Promote a data-driven culture, focusing on continuous experimentation and rapid learning.
Ensure the team's technical proficiency in testing methodologies, statistical analysis and optimization tools.
Define and manage the experimentation roadmap, prioritizing hypotheses based on expected impact and effort.
Ensure methodological rigor in tests: sample definition, statistical significance, audience segmentation and result analysis.
Manage testing platforms.
Document learnings and build a knowledge base to scale insights across squads and departments.
Coordinate the evolution and performance of solutions such as internal search (text and image): result relevance, merchandising, ranking rules.
Monitor KPIs for each tool and propose continuous improvements based on usage and conversion data.
Lead personalization initiatives based on user behavior, profile and context.
Define personalization rules (content, product displays, banners, contextual communications).
Work together with data/CDP teams to activate audiences and segments.
Identify trends, benchmarks and innovation opportunities in UX and CRO in the market.
Conduct POCs (Proofs of Concept) for new technologies and optimization approaches.
Act as an interlocutor between Experience Design, Product, Technology, Commercial, Channels and Communications areas.

Requirements

What you’ll need

Bachelor's degree in Advertising, Marketing, Engineering, Statistics or related fields.
Strong experience in CRO, digital experimentation or related areas (Growth, Digital Product, UX Analytics).
People management experience.
Proficiency in A/B testing and personalization platforms.
Knowledge of analytics tools.
Basic knowledge of statistics applied to experimentation.
Familiarity with internal search tools (Algonomy, Algolia, Coveo, Bloomreach or similar).

Benefits

Comp & perks

Transportation voucher and/or shuttle for positions at our distribution centers (DCs)*
Meal/Food voucher
Christmas food basket voucher
Home office allowance (for hybrid or remote employment contracts)*
Multi-purchase credit card
Employee discount in our stores
Health insurance
Dr. Be (telemedicine, telepsychology, nutritional coaching and sports coaching)
Wellhub (Gympass)
Programs and campaigns designed to promote self-care, health and well-being for our employees and their families.
Balance methodology applied with leadership and teams to strengthen communication and recognition, well-being and work style/tools.
Dental plan
Univers — discounts at Raia and Drogasil pharmacies
Pet health plan
Running coaching
Discounts at universities, schools, language and professional courses
Tickets for cinemas, parks and much more.
People with disabilities are welcome to apply for all our opportunities.

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Hard Skills & Tools

CROdigital experimentationA/B testingpersonalizationstatistical analysisoptimization toolsanalytics toolsstatisticsinternal search

Soft Skills

people managementdata-driven culturecommunicationteam leadershipcollaboration