Igor Goldstein Email & Phone Number

Consultant, via Insight Global

São Paulo, Brasil

- Led experimentation initiatives, conducting A/B tests to boost user engagement and drive investment using tools such as Statsig and Clevertap. Collaborated with CRM and Technology stakeholders to analyze results and implement impactful features, contributing to achieving company goals in terms of GMV, revenue and engagement.- Monitored and optimized promotion strategies by evaluating the ROI of bonuses and coupons through A/B testing, resulting in increased user playing frequency and… Show more - Led experimentation initiatives, conducting A/B tests to boost user engagement and drive investment using tools such as Statsig and Clevertap. Collaborated with CRM and Technology stakeholders to analyze results and implement impactful features, contributing to achieving company goals in terms of GMV, revenue and engagement.- Monitored and optimized promotion strategies by evaluating the ROI of bonuses and coupons through A/B testing, resulting in increased user playing frequency and expenditure.- Developed fraud detection processes, establishing data pipelines via SQL and dbt. Consolidated key features and metrics in collaboration with Product stakeholders to identify and monitor potential fraud risks via Looker Studio dashboards, ensuring a proactive approach to mitigating fraud risks.- Conducted analyses on user segmentation, revealing insights into VIP user behavior and preferences. Established criteria for VIP qualification, enabling targeted strategies to increase revenue for distinct user groups.- Led a comprehensive analysis on churn dynamics and developed a churn prediction model as part of my final paper on an MBA in Data Science and Analytics. The accompanying documentation detailed the process of determining time to churn, studying relevant features and employing advanced techniques to create robust predictive models. Show less

São Paulo, Brazil

- Worked on the maintenance of an optimization algorithm created to address overbooking challenges, enhancing the utilization of high-value machines used on exams and reducing idle time.- Developed an initiative focused on user segmentation, delivering insights on the customers deemed more significant based on their health system usage and expenditure.- Collaborated within a multicultural team, utilizing English as the primary communication language to effectively work with… Show more - Worked on the maintenance of an optimization algorithm created to address overbooking challenges, enhancing the utilization of high-value machines used on exams and reducing idle time.- Developed an initiative focused on user segmentation, delivering insights on the customers deemed more significant based on their health system usage and expenditure.- Collaborated within a multicultural team, utilizing English as the primary communication language to effectively work with non-Portuguese speakers. Show less

São Paulo, Brasil

- Analyzed customer shopping patterns during the Black Friday period, revealing behavioral insights and studying performance metrics for Via Marketplace throughout Black Friday 2020.- Examined marketplace seller surveys to understand and consolidate primary reasons for dissatisfaction within the marketplace platforms.- Worked with big data analysis tools, such as Databricks and PySpark, to conduct all analyses and data mining tasks.

São Paulo, Brazil

São Paulo, Brazil

- Conducted data analyses to understand factors influencing freight prices. Developed new models using statistical and machine learning approaches (Decision Trees, LightGBM) to predict trucker costs.- Deployed new trucker cost prediction models using AWS cloud services (S3) and Kubeflow/BentoML to serve these models via endpoints through a Python API for cost predictions.- Executed exploratory data analyses on routes, truckers, and customers data to enhance freight recommendations to… Show more - Conducted data analyses to understand factors influencing freight prices. Developed new models using statistical and machine learning approaches (Decision Trees, LightGBM) to predict trucker costs.- Deployed new trucker cost prediction models using AWS cloud services (S3) and Kubeflow/BentoML to serve these models via endpoints through a Python API for cost predictions.- Executed exploratory data analyses on routes, truckers, and customers data to enhance freight recommendations to truckers via App. Developed Python APIs for recommending freights to truckers and vice versa, based on insights gathered from the data analyses.- Analyzed backhaul opportunities using Neo4j (graph-based database) and Python in order to create a real-time solution to retrieve all possible round-trip possibilities.- Maintained the company's pricing Python API, implementing unit and integration tests for statistical/ML models/endpoints, and creating comprehensive documentation. Show less

São Paulo, Brazil

- Conducted an overhaul, update and reorganization of a Python API for predicting trucker costs, emphasizing modularization and adherence to good software practices (PEP8).- Contributed to the development of a negotiations system that enabled users to upload spreadsheets and create freight negotiations for key accounts, using Ruby on Rails, TDD, Docker, GraphQL and AWS (S3, SNS, SQS).- Implemented a new freight price calculation process in the company's main system using PHP and… Show more - Conducted an overhaul, update and reorganization of a Python API for predicting trucker costs, emphasizing modularization and adherence to good software practices (PEP8).- Contributed to the development of a negotiations system that enabled users to upload spreadsheets and create freight negotiations for key accounts, using Ruby on Rails, TDD, Docker, GraphQL and AWS (S3, SNS, SQS).- Implemented a new freight price calculation process in the company's main system using PHP and enhanced the geolocation and toll calculation system using Python, Docker, CircleCI and Jenkins (CI/CD). Show less

São Paulo, Brazil

Digital Analytics (Google Analytics and Google Tag Manager), event mapping for sites and apps.

Master Of Business Administration - Mba, Data Science/Analytics

Bachelor'S Degree, Computer Engineering