Senior Data Analyst (Loyalty Program)

Description

**We are looking for someone who dares to co-lead with us.** You will work on a strategic initiative focused on evolving the company's loyalty program, responsible for consolidating analytical models and measurement frameworks that support decision-making and business value generation. Your mission will be to transform data into actionable insights by developing robust methodologies to evaluate the performance of loyalty strategies and ensure the sustainability of analytical models after implementation of the new benefits platform. On a day-to-day basis, you will collaborate closely with Marketing, CRM, Loyalty, Customer Intelligence, and Product teams—connecting strategy, data, and results to measure the impact of initiatives and support continuous program evolution. At this time, the primary challenge will be to structure and refine the measurement model for cashback strategies, accurately identifying their impacts on key metrics such as revenue, purchase frequency, customer retention, and engagement. This is an opportunity for those seeking to work in a highly data-driven environment with significant influence over the company’s strategic decisions. **Responsibilities and duties:** Act as internal analytical consultancy and data ambassador within the CRM team and Marketing leadership, leveraging technical data analysis expertise and business knowledge to foster discussions about customer behavior and deliver recommendations, including: * Lead the definition and consolidation of measurement models for loyalty initiatives, establishing methodologies, assumptions, and governance for strategic KPIs. * Develop and evolve incremental impact evaluation models for cashback strategies, benefits, and loyalty incentives. * Ensure consistency of program performance indicators, supporting the creation of a unified view of results across business areas. Serve as analytical consultancy for Marketing, CRM, and Loyalty teams, transforming data into actionable recommendations. * Produce analyses supporting decisions related to expansion, optimization, or revision of benefits offered to customers. * Conduct behavioral and longitudinal studies of the loyalty program’s participating customer base, identifying impacts on retention, purchase frequency, average order value, and customer lifetime value. * Support the transition of the loyalty initiative to a continuous operational model, ensuring measurement models are documented, scalable, and governed. **Requirements and qualifications:** * Experience in data analysis applied to solving business problems. * Knowledge of impact measurement methodologies and incremental analysis. * Experience building and interpreting A/B tests, control groups, and hypothesis testing. * Applied statistics knowledge for decision-making. * SQL experience for manipulation and exploration of large-scale datasets. * Python programming for data analysis and analytical modeling. * Ability to translate complex analyses into executive-level recommendations through data storytelling. * Experience designing metrics, KPIs, and performance tracking frameworks. **Desirable:** * Experience with Customer KPIs; * Experience with CRM and loyalty campaign analyses; * LTV, full-funnel, MMM, and similar analyses; * Retail fashion industry knowledge; * Media and marketing knowledge; * Degree in Mathematics, Statistics, Physics, Economics, Engineering, Computer Science, or related fields; * PySpark programming and Databricks usage; * Knowledge of agile methodologies for management. **Additional information:** * For your health, we offer **comprehensive medical and dental assistance**, with no copayments for exams or consultations. * Want more well-being? We offer **Gympass** and **Zenklub** (with two free sessions per month) to support your physical and mental health. * When hunger strikes, use our meal benefit **Caju** to shop at any supermarket or restaurant. * Have children? You’re covered by our **childcare allowance**. * Growing family? We offer **MomCare**, a flexible monetary incentive post-maternity leave for new Datunian mothers. * To personalize your workspace, count on our **remote-work allowance**. * Want to invest in your professional development? We partner with several prestigious educational institutions to offer discounts of up to 70% on **undergraduate**, **graduate**, **MBA**, **language**, and many other courses! **To explore all our benefits, visit the homepage of our careers page.**