Thiago Martins Oliveira

I am a Full Stack Software Enginner with hands-on experience in production environments, focused on web development, RESTful APIs, frontend/backend integration, and system optimization. I work with React, TypeScript, Python, Flask, MySQL, PHP, and JavaScript, delivering features, fixing critical issues, and improving system reliability.

• Currently, I work as a Full Stack Software Enginner at Del Grande (Telecommunications), where I delivered 80+ tasks ahead of schedule, resolved 10+ critical L2/L3 incidents in commercial system endpoints, and contributed 400+ commits across 18 repositories. I analyzed and corrected 50+ data inconsistencies in 14 critical reports, ensuring data integrity.
  
  I identified 20+ scalability bottlenecks, with 75% of proposed optimizations implemented, improving performance. I coordinated QA processes, fixing 70% of 100+ bugs in monitoring and dashboard modules, and ensured stability for 40+ forms, improving UX. I also maintained 5 messaging connectors (Email, WhatsApp, Telegram, Messenger, Web Chat) and refactored the permission system, resolving a 5-year legacy issue.
  
  I have experience with enterprise and legacy systems, working with HTML, CSS, PHP, JavaScript, React, MySQL, and Python, where I:
  - Improved route performance by 100%
  - Fixed export and scheduling issues in 50+ reports
  - Executed 200+ QA tests
  - Delivered 100+ SVN commits across 8 applications
  - Built 3 complete reporting solutions
  - Developed 10+ automation scripts (Python/Bash)
  - Analyzed 100+ system logs
  - Implemented 5+ API integrations
  - Modified database triggers and calculation logic
  
  I also develop large-scale Full Stack projects, including:
  - APIs with 60+ routes, 20+ core objects, 30+ validators, and 10+ subsystems
  - Databases with 15+ tables and 100+ attributes
  - Frontend/backend integrations reducing complexity by 50%
  - Automation reducing processes from 1h15 to 5 minutes
  - Authentication, logging, notifications, and monitoring systems
  - Management of 50+ branches, 50+ pull requests, and 6+ stable releases
  - Implementation of a fully functional geotracking application built with React Native, which earned 3rd place at Startup Weekend 2023 and received official recognition from the city of Florianópolis, Santa Catarina’s capital.
  
  I am pursuing a degree in Systems Analysis and Development, with high academic performance and a strong foundation in algorithms, OOP, and software architecture, supported by national and international mathematics awards.