I'm Thiago Araujo

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Brazil 🇧🇷

João Pessoa, PB

About Me

I build the digital foundation of web applications.
Specializing in backend with Java and automation with n8n.

With over 5 years of experience, I am passionate about creating robust and efficient technological solutions that solve real problems. My focus is on backend development, using the power of Java and the Spring ecosystem to build scalable and secure systems.

Furthermore, I am an automation specialist with n8n, helping companies optimize processes and integrate systems intelligently. My journey has allowed me to work on challenging projects, always striving for technical excellence and clean code.

My Resume

Experience

1
08-2024 - now

Jr. Software Engineer

Jemerson LTDA., Brazil
  • Conducted detailed analysis and documentation of functional and non-functional requirements to ensure clarity in project technical specifications.
  • Modeled and implemented the relational database using technologies like PostgreSQL, ensuring efficiency in data manipulation and application data retrieval.
  • Implemented business logic and secure data flows in the backend environment using modern Java frameworks to support core application features.
2
2023 - now

Freelance Software Developer

Remote
  • Designed and developed scalable backend systems and REST APIs using Java and Spring Boot for various clients.
  • Engineered and maintained relational databases, ensuring data integrity and optimizing query performance for client applications.
  • Collaborated with teams to define project architecture and technical specifications, delivering robust and secure software solutions.
  • Implemented containerization with Docker and established CI/CD pipelines to automate deployment and improve development workflows.
3
2025 - Present

Freelance Automation Specialist

Remote
  • Developed custom automation workflows using n8n to integrate third-party APIs and streamline critical business processes.
  • Wrote Python scripts to automate complex data manipulation tasks and create custom nodes for n8n workflows.
  • Designed and implemented solutions to automate reporting, data synchronization, and system notifications for multiple clients.
  • Analyzed client needs to identify automation opportunities, resulting in significant improvements in operational efficiency.

Certifications

AWS Certified Cloud Practitioner Badge
2023

AWS Certified Cloud Practitioner

Amazon Web Services
Credential

My Tech Stack

Backend & Databases

Java Spring Boot Quarkus PostgreSQL MongoDB Redis Microservices REST API Python Django

Cloud & DevOps

AWS Google Cloud Docker CI/CD Github Actions Kubernetes Serverless Firebase

Automation - n8n

Chatbots Webhooks Process Automation APIs Integrations

My Projects

Some of the projects I've developed with modern technologies

Full Stack 2023

E-commerce Platform

Robust backend for a high-performance e-commerce platform, focusing on scalability and security.

Java Spring Boot PostgreSQL Docker
Backend API 2023

API for Financial System

Secure API for a financial system, focusing on transactions and account management.

Java Spring Security JWT MySQL
Automation 2022

Automation Process with n8n

Creation of an automation platform to integrate different systems and optimize business processes.

n8n Chatwoot Supabase API Integrations
Microservices 2023

Microservices for FinTech

Microservices architecture for a FinTech, focused on high availability and transaction processing.

Java Quarkus Kafka MongoDB
Frontend 2022

Analytics Dashboard

Interactive dashboard with real-time data visualizations and customizable reports.

React D3.js TypeScript ChartJS
Full Stack 2022

Task Management System

Complete project and task management system with real-time collaboration features.

Vue.js Node.js MySQL Socket.io

Connect with me

Send me a message

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