Miguel Borja di Filippo

About Me

I am a Backend Developer and Technical Lead with nearly 8 years of experience in designing, implementing, and optimizing robust and scalable backend systems. My expertise lies in high-demand environments such as Logistics and Fintech. I have a strong background in Node.js, Java, microservices, serverless architectures on AWS, and event streaming systems like Kafka.

I have demonstrated capability in both practical API/component development and technical leadership—including designing high-availability architectures, supervising teams, managing quality, and delivering business-critical features. My career path spans from initial full-stack development to specialized backend roles.

Technical Skills

Professional Experience

Backend Developer (tyba)

July 2022 - June 2023

Developed APIs and backend services for a Serverless infrastructure on AWS, enabling users to invest in Mutual Funds across multiple countries (Colombia, Chile, Peru).

• Developed APIs and backend services for a Serverless infrastructure on AWS, enabling users to invest in Mutual Funds through the main app and TybaPro portal for clients in Colombia, Chile, and Peru.

Technical Lead (Rappi)

July 2021 - July 2022

Designed architectural components and supervised the development of improved user time-slot systems to optimize demand distribution. Focused on high availability, team performance evaluation, and delivery estimation.

• Designed architectural components and supervised the development of an improved user time-slot system in CPGs to optimize demand distribution and conversions using available couriers and pickers across 9 Latin American countries.
• Designed a high-availability architecture to support user demand and product KPIs.
• Evaluated team performance and interviewed potential candidates.
• Estimated delivery times for production features.
• Managed risk and quality.
• Collaborated with other team leads and company initiatives.

Backend Developer (Rappi)

July 2019 - July 2021

Developed components and APIs to optimize picker/messenger time distribution using time-slot systems. Implemented event-driven microservices in Node.js and Go, and utilized real-time order tracking.

• Developed components and APIs to optimize picker and in-store courier time distribution using a time-slot system.
• Developed and maintained features for a lever-based system to control order demand during peak hours.
• Used real-time order tracking to evaluate and control user demand via event streaming.
• Developed code for event-driven microservices written in Node.js and Go.
• Monitored and debugged microservices using logs and performance metrics.
• Assisted QA teams.
• Created strategies for deployment and feature implementation in available countries.
• Provided technical support for deployed components.

Java Developer (I2B Technologies)

Dec 2017 - July 2019

Developed Java components based on client requirements (Design Patterns, Security). Built REST-oriented Microservices using frameworks like Mybatis with Oracle DB and AWS integration.

• Developed Java components based on client requirements and standards (Design Patterns, Security, Auditing, Naming Conventions, etc.) maintaining contact with a remote leadership team in Peru.
• Assisted in requirements gathering.
• Wrote testable, quality, and maintainable code.
• Added functionality to existing business code.
• Interviewed potential team candidates.
• Developed REST-oriented Microservices using frameworks like Mybatis with Oracle DB and AWS integration in Java and Node.js.
• Extensive integration and development of REST and SOAP services.
• Integrated web templates with JSF and Spring MVC based on UI flows.
• Interacted with cloud resources and services (AWS).

Software Developer (La Cívica Impresores S.A.S)

Oct 2015 - Aug 2017

Fullstack development of web application modules ensuring security (ISO 27001) and usability. Managed SOAP messages, user/password backend, and critical business logic auditing.

• Fullstack development of various modules and functionalities for an enterprise support web application in Java, considering security, auditing, usability constraints, and specific requirements based on ISO 27001. Software was developed using API documentation provided by RUNT.
• Backend for password and user management.
• Handling and security of SOAP messages.
• Rapid development of usability-oriented templates and web designs.
• Logging and auditing module for critical business logic operations.
• Database modeling and implementation.
• Use of common Java design patterns.
• On-site deployment and support.
• Use of OWASP Top Ten guidelines.
• The application passed R&Y testing and verification in August 2017 and is currently deployed in production.

Courses, Certifications & Education

Beyond the Resume