Alois Carrera

Designed and maintained CRM data pipelines and unified customer tables across stores and countries. Built SQL-based churn, RFM, and CLV models, while leading segmentation and churn prediction projects. Developed Power BI dashboards to deliver 360° customer insights and email marketing performance, enabling targeted campaigns and improved engagement.

Designed and maintained data pipelines and ETL/ELT processes connecting H&M Global API, SAP Business One, WIS Warehouse, and ICG Point of Sale systems. Built REST APIs, web applications, and custom Python/PySide plugins to streamline logistics, merchandise auditing, and operational workflows. Leveraged Azure cloud services and analytics tools to deliver actionable insights, optimize data ingestion, and support regional decision-making.

Led Eprezto’s international expansion, building scalable API-based vehicle insurance systems across Costa Rica, Guatemala, and the Dominican Republic. Managed payment gateway integrations, electronic document delivery with major insurers, and a compact development team. Established a monorepo with CI/CD using Nx, Next.js, and Serverless Framework, reducing code duplication through shared React/Tailwind components and reusable TypeScript interfaces.

Designed and implemented an intelligent IoT-based irrigation control system using Arduino, NRF24L01+ modules, and sensors for real-time soil moisture monitoring. Integrated InfluxDB, Telegraf, and Grafana for data logging and visualization, and leveraged AWS IoT as an MQTT cloud broker. Contributed to sustainable agriculture by enabling efficient, data-driven irrigation management.

Improved blog performance and SEO by migrating it from WordPress to Next.js with TailwindCSS. Enhanced the Bluebook tool for vehicle pricing and depreciation using Elasticsearch and AWS Lambda. Implemented PayCash API for cash payments, managing end-to-end integration from sandbox testing to live deployment and payment tracking.