© 2026 Gabriel SaintsMade with love in Brazil

React
JavaScript
Python
Node.js
Java
Spring Boot
Docker
PostgreSQL
MySQL
MongoDB
Kotlin
Tailwind CSS
Typescript
Raspberry Pi
Arduino
RabbitMQ
Kafka
Redis
Next.js
NestJS
Vue.js
Flutter
AWS
Jenkins
Google Cloud
Linux
Android
Gabriel Santos Portrait
Buildingscalableapplicationsfocusedonperformance,securityandthebestuserexperience.
Creatingremarkableandrobustexperiences.
About Me

My Journey

Milestones of my journey

2020 – 2023

Freelance & Graphic Design

GS Publicidades · Freelancer.com

Websites, apps and visual identity for local and international clients. Where it all began — merging aesthetics and code.

ReactReact NativeHTML/CSSDesign

2021 – 2022

IoT & Backend

Yame Farm

Sensors with Raspberry Pi, Python/Django API and Flutter mobile app for autonomous farm monitoring.

PythonDjangoFlutterIoTMySQL

2022 – 2023

Professional Certifications

IBM · Meta · Martha Falcão

Full Stack by IBM, Front End by Meta and ADS graduation — building the foundation for larger-scale projects.

Full StackADSBoas Práticas

2023

Web Scraping & AI

Sidia — Projetos RH & SmartFace

Python automation on the eSocial portal and FastAPI for facial recognition with Vue.js dashboard.

PythonFastAPISeleniumVue.jsIA
â—Ź Atual

2024 – Present

Software Developer

Sidia (Samsung)

Microservices with NestJS, Docker and RabbitMQ. Delivering high-performance backend at Brazil's largest R&D center.

NestJSDockerRabbitMQPrisma ORM

// Education

Education

2026 – 2027Postgraduate

Software Architecture

FIAP

Postgraduate specialization in software architecture, microservices, cloud-native design patterns and distributed system resilience.

2022 – 2026Degree

Bachelor of Science in Software Engineering

Wyden Martha FalcĂŁo

Software engineering program focused on scalable systems design, project management and modern development practices.

2021 – 2023Degree

Systems Analysis & Development

Wyden Martha FalcĂŁo

Technology degree with a solid foundation in algorithms, software engineering, databases and application architecture.

// Certifications

Certificates

2022Certificate

Full Stack Software Developer

IBM · Coursera

Professional certificate covering front-end, back-end, APIs, containers and cloud deployment with market best practices.

2022Certificate

IBM Backend Development

IBM · Coursera

Professional certification in backend development with Python, Django, REST APIs, Docker containers, Kubernetes and cloud deployment.

2023Certificate

Front-End Developer

Meta · Coursera

Specialization in React, modern JavaScript, versioning and best practices in interface design and user experience.

// Languages

Languages

🇺🇸

English

Advanced

Fluent in English with effective communication skills and understanding of cultural nuances in professional environments.

🇪🇸

Español

Intermediate

Able to communicate in Spanish with understanding of grammatical structures and vocabulary for professional use.

🇧🇷

PortuguĂŞs

Native

Native language with full fluency in written and verbal communication, understanding of cultural and idiomatic nuances.

// Skills

Tech Stack

Frontend
Next.jsReactVue.jsFlutter
Backend
PythonDjangoFastAPINestJS
Database
PostgreSQLMySQLMongoDBRedis
DevOps
DockerKubernetesAWSCI/CDGit
AI
GeminiClaudeChatGPTLlamaLangChain

// Selected Projects

Things I've built

Em Produção

Hey Team

↗

Hey Team é uma solução que permite às empresas e funcionários manterem o ambiente seguro. Proteja sua empresa e seus funcionários.

FastAPIVue.jsIA
Em Produção

QR Pass

↗

QR code-based access control system for secure facilities and events with real-time monitoring and reporting.

WebSocketRedisReact Native+2
Em Produção

SmartFace

↗

Face recognition system with AI-powered analytics

FastAPIVue.jsIA
Em Produção

Sala do Tesouro

↗

Controle de estoque e gerenciamento de inventário com QR codes e alertas em tempo real

React NativeNestJSPrisma+1
Em Produção

LinguaAI

↗

App de aprendizado de idiomas com IA para personalização de lições e feedback em tempo real

React NativeGeminiNestJS+2

eSocial Automation

↗

RPA solution for eSocial document processing

PythonSeleniumRPA
Em Produção

Yame Farm IoT

↗

IoT monitoring system for agricultural automation

DjangoFlutterIoT

Portfolio 1.0

↗

Personal developer portfolio with GSAP animations

Next.jsGSAPTailwind
Em Produção

Microservices API

↗

Scalable microservices architecture with message queues

NestJSRabbitMQDocker

// Contact

Let's build somethinggreat together

Available for new projects and opportunities. Send a message — I'll reply quickly.