Contributed to a modern, high-performance SaaS platform with scalable architecture. Tech stack included Next.js, React (frontend), Fastify (backend), TypeScript, MySQL. Gained hands-on experience with cloud infrastructure (AWS and Google Cloud Platform), implementing asynchronous messaging with RabbitMQ and Kafka, caching with Redis, and monitoring with Graylog. Worked with CI/CD pipelines using Jenkins and Buddy CI to ensure automated testing, integration, and deployment.

Senior Fullstack Developer at Sonar Trade

January 1, 2024 - October 1, 2024

Contributed to the mobile frontend using Ionic, later moved to full-stack development. Built real-time microservices for financial market analysis using TypeScript, Node.js, Firebase, and Fastify, with React/React Native for UI. Experience with MySQL/NoSQL databases and real-time data streaming.

Senior Software Developer / Tech Lead at GLOBAL HITSS DO BRASIL

January 1, 2023 - Present

Led the development of the national SIS BI system using Java Spring Boot, Oracle SQL, Ionic, and TypeScript. Acted directly on both frontend and backend architecture, applying advanced software design patterns (SOLID, Domain-Driven Design) to ensure scalability, maintainability, and high performance. Led cross-functional teams, defined architectural strategies, and implemented CI/CD pipelines with Jenkins in a government environment. Implemented centralized logging and monitoring with Graylog to improve reliability and observability. Worked under Scrum agile methodology, coordinating deliveries, sprints, and technical decision-making.

Senior Fullstack Developer at Chamleo

June 1, 2022 - January 1, 2024

Responsible for architecture and full-stack development of scalable web and mobile applications. Stack included React, React Native, Node.js, Fastify.

Senior Fullstack Developer / Tech Lead at Blue Service BPM Platform

March 1, 2022 - December 1, 2025

Initially hired as Frontend Ionic Specialist, later promoted to Tech Lead of the mobile squad. Ultimately led the AI squad, gaining extensive hands-on experience in developing chatbots, RAG systems (Retrieval-Augmented Generation), LangChain integrations, model fine-tuning, and working with vector databases (PgVector). Responsible for developing microservices using Node.js with Fastify, containerized with Docker, and implementing authentication via JWT and OAuth 2.0. Tech stack included Ionic, Firebase, PHP, Python, Node.js, Fastify, MySQL, OCR, Docker, JWT, OAuth 2, Dialogflow, LangChain, RAG, PgVector, Jest.

Application Architect at Holistic Club

June 1, 2021 - June 1, 2022

Social network startup focused on holistic wellness. Designed and implemented both frontend and backend using Ionic, Node.js, and Firebase Functions.

Software Architect at Rima Industrial SA

March 1, 2018 - November 1, 2025

Joined the company at 18 and led a full digital transformation by replacing paper-based workflows with a custom ERP system. Architected and developed the entire system using PHP, Laravel, MySQL, JavaScript, TypeScript, HTML, CSS, and Ionic. Gained hands-on experience with data analysis, mathematics, and data science libraries such as PuLP and other analytical tools. Departed after establishing a fully operational and self-sufficient technology department.