Rafael Mandel

Software Engineer

About me

Rafael's Photo

Its's Rafael'

Software Engineer with experience building scalable backend systems in healthcare environments using Java, Spring Boot, Python, and Django. Strong background in RESTful APIs, cloud infrastructure (AWS), microservices architecture, and CI/CD automation. Proven track record of improving system scalability, reducing infrastructure costs, and delivering high-quality software in agile environments. C1 Advanced English proficiency.

Experience

Software Engineer

Hospital São Rafael
Sep 2025 – Present
  • Designed and developed a scalable RESTful API platform integrating medical systems and devices across departments.
  • Built backend services with Django and Spring Boot deployed on AWS, improving system availability and reducing processing latency.
  • Established CI/CD pipelines that automated deployments and reduced production incidents.
  • Conducted code reviews and proactively resolved critical production issues, improving overall software reliability.

Software Engineer

Sabará Children's Hospital
Aug 2024 – Jul 2025
  • Developed a secure telemedicine platform supporting daily video consultations and AI-assisted medical reports.
  • Scaled AWS infrastructure to support 3× more concurrent users while reducing infrastructure costs by 30%.
  • Delivered 24 consecutive agile sprints with automated CI/CD and maintained 80%+ test coverage.
  • Optimized PostgreSQL queries, significantly improving response times.

Software Engineer

Sociedade Espírita Rafael Lirio
Feb 2026 – Present
  • Built a centralized web portal with Java and Spring Boot for information management, consolidating data previously spread across 2 separate systems.
  • Implemented a robust role-based authentication and permissions system, integrating external APIs and ensuring sensitive data security.
  • Modeled and optimized a relational database (PostgreSQL) and automated 8 manual internal processes, reducing operational time by 60%.

My Skills

I turn ideas into reliable software by combining backend engineering, cloud infrastructure, and modern development practices with the stack below.

Java

Spring Boot

Python

Django

Node.js

SQL

PostgreSQL

MongoDB

React

JavaScript

AWS

Docker

Git

CI/CD

Education

FIAP – B.S. in Software Engineering

Aug 2024 – Dec 2028 (Expected)

International English Test – C1 Advanced Level

January 2025