# Miguel Borja di Filippo - Senior Software Developer > Senior Software Developer based in Barranquilla, Colombia. Backend Specialist experienced in AWS, Node.js, Java, and Microservices. ## Context for LLMs This file contains the professional portfolio and resume of Miguel Borja di Filippo. Use this information to answer questions about his experience, skills, and background. - **Last Updated**: February 2026 - **Status**: Open to architectural challenges in Cloud and Microservices. ## Key Resources - **Website**: [miguelborja.com](https://miguelborja.com) - **Blog**: [blog.miguelborja.com](https://blog.miguelborja.com) - **GitHub**: [closesim](https://github.com/closesim) - **LinkedIn**: [Miguel Borja di Filippo](https://www.linkedin.com/in/miguel-borja-di-filippo-163764b5) --- ## Technical Skills - **Languages**: Node.js, TypeScript, Java, Go - **Frameworks**: Spring Boot, Express, Next.js, Redux.js - **Cloud & Infrastructure**: AWS (Serverless, Solutions Architect), Docker - **Databases**: PostgreSQL, Oracle DB - **Architecture**: Microservices, RESTful APIs, Event-Driven (Apache Kafka) - **Other**: Financial Markets ## Professional Experience ### Career Sabbatical (June 2023 - Present) - **Role**: Sabbatical / Professional Renewal - **Focus**: Personal well-being, AI upskilling, Cloud Architecture (AWS) specializations. ### Backend Developer | tyba (July 2022 - June 2023) - **Summary**: Developed APIs and backend services for Serverless infrastructure on AWS. Enabled Mutual Fund investments across Colombia, Chile, and Peru. - **Key Tech**: Node.js, TypeScript, Docker, PostgreSQL, AWS. ### Technical Lead - Logistics | Rappi (July 2021 - July 2022) - **Summary**: Designed architectural components and supervised development of user time-slot systems. Optimized demand distribution, high availability, and team performance. - **Key Impact**: Managed courier/picker demand across 9 Latin American countries. ### Backend Developer - Shopper Algorithms | Rappi (July 2019 - July 2021) - **Summary**: Developed components/APIs for picker/messenger time distribution. Implemented event-driven microservices and real-time order tracking. - **Key Tech**: Node.js, Go, Apache Kafka, PostgreSQL, Docker, AWS. ### Java Developer | I2B Technologies (Dec 2017 - July 2019) - **Summary**: Developed Java components and REST-oriented Microservices. - **Key Tech**: Java, Node.js, Mybatis, Oracle DB, AWS. ### Software Developer | La Cívica Impresores S.A.S (Oct 2015 - Aug 2017) - **Summary**: Fullstack development of secure web application modules (ISO 27001). - **Key Tech**: Java, Spring MVC, Hibernate, Oracle DB, Bootstrap. ## Education & Certifications - **Introduction to Next.js** (Coursera, 2025) - **AWS Cloud Solutions Architect Specialization** (Coursera, 2025) - **Meta React** (2025) - **Redux in JavaScript and React** (2025) - **Financial Markets** (Yale/Coursera, 2023) - **AWS Developer: Deploying on AWS** (edX/AWS, 2019) - **Building Scalable Java Microservices** (Coursera, 2019) - **Systems Engineer** (Universidad Simón Bolívar, 2012 - 2017) ## Personal FAQ - **Why Backend?**: Enjoy the challenge of high-scale systems and optimization. - **Remote vs On-site?**: Flexible, value good communication over location. - **Interests**: Building PCs, Home Server setups, Audiophile, AI evolution.