I'm a backend software developer born in 1987, with a strong academic background and solid experience building and maintaining real-world systems.

I focus on writing clear, maintainable code and improving existing applications step by step — especially legacy systems that are critical to the business.

🇧🇷 Brazilian developer, open to learning and new opportunities.
🇺🇸 This profile is written in English to reach a broader audience.

• Bachelor’s Degree in Systems Analysis and Development
  Federal University of Technology – Paraná (UTFPR)
  2009 – 2012

• Master’s Degree in Computer Science
  Federal University of Technology – Paraná (UTFPR)
  2018 – 2021

  Thesis:
  A Refactoring Agent for Java Projects Using Design Patterns

• Backend development and system integration
• Maintenance and evolution of legacy systems
• Design and implementation of APIs
• Messaging and asynchronous communication
• Code quality, refactoring, and maintainability
• Practical solutions aligned with business needs

I value stability, readability, and solutions that can be understood and maintained by other developers.

• PHP
• Java
• JavaScript
• React

• Laravel
• Laravel Lumen
• CodeIgniter 3
• Yii (personal experiments)

• RabbitMQ (application messaging)
• Jenkins (CI / build pipelines)
• Jira (project and issue tracking)
• Trello (Kanban-style boards)
• Zabbix (monitoring and dashboards)
• MailHog (local SMTP testing)

• PHPUnit (PHP)
• JUnit (Java)
• Jest (JavaScript)

• MySQL
• SQL Server 2008
• PostgreSQL
• MongoDB
• BigQuery

On GitHub, you’ll find:

• Backend-focused experiments and libraries
• Utilities created to solve real problems
• Studies related to architecture, refactoring, and maintainable code
• Projects built for learning, improving, or practical usage

Most repositories reflect things I’ve actually used or studied in depth.

• Continuous learning
• Respect for existing systems and legacy code
• Preference for simple, honest solutions
• Improvement over perfection

• GitHub: https://github.com/thyagopacher

Good software is built with clarity, responsibility, and continuous improvement.