I am a Fullstack Developer and Automation & Technical Support Specialist with experience in software development, process automation, and system monitoring. I am passionate about building fast and secure APIs, automating tasks, and creating scalable solutions that optimize operations and improve efficiency.Key Skills: Fullstack Development: Experienced with React, Node.js, Flask, FastAPI, and Django, building robust backends and dynamic user interfaces.Process Automation: Proficient in Python, Bash, PowerShell for task automation and solving technical issues. Monitoring and Technical Support: Skilled in using Grafana and Zabbix to ensure stability and identify failures in network and system infrastructures. API Development: Creating RESTful APIs with Flask, FastAPI, Node.js, implementing authentication and authorization with JWT and OAuth 2.0. Testing and Documentation: Implementing automated tests with Pytest and documentation with Swagger. Technologies & Stacks: Development: React, Node.js, Express, Flask, FastAPI, Django Automation: Python, PowerShell, Bash Monitoring: Grafana, Zabbix APIs: Flask, FastAPI, Node.js (JWT, OAuth 2.0) Testing: Pytest, Swagger Databases: MySQL, PostgreSQL, MongoDB Throughout my career, I’ve participated in advanced courses on API Development, Fullstack Development, and Automated Testing, which have equipped me with a solid foundation in both backend development and infrastructure automation. I’m always looking for new challenges to keep learning and contribute to innovative solutions.📧 Contact: ethical.leonardo@gmail.com🔗 GitHub: github.com/leovoltz