Fullstack Developer
- Location
- Brazil
- Rate, USD
- Not specified
- Work schedule
- Full Time,
- Language skills
- English, Portuguese
- Available for Hire
- Yes
About me
I am a Full Stack Developer with over 3 years of experience building scalable and maintainable web applications. My core stack includes Java (Spring & Quarkus), React, React Native, TypeScript, Kafka, and relational databases like MySQL. I enjoy working in cross-functional teams and continuously strive to improve code quality, performance, and usability. I’m especially passionate about clean architecture, reactive programming, and contributing to business-driven solutions. Currently serving as the technical lead of my squad, where I support and mentor teammates, share knowledge, and continuously learn through collaboration and pair problem-solving.
Professional area
Education
- August 2021 to July 2025 Software Engineering @ Cesumar University
- August 2024 to September 2024 General English - B2 @ Bayswater Liverpool - British Council
- January 2022 to April 2022 React Developer @ Institute of Management and Information Technology
Experience
- October 2024 to Present Senior Developer @ Paytrack Technology
Leading development and maintenance of the financial module managing cash flow, accounts payable/receivable, revenues, reimbursements, and MRR processes. Designing scalable microservices with Java, Quarkus, and Kafka for financial data pipelines. Creating and managing Docker containers for local development and automated tests. Updating front-end dependencies and maintaining UI consistency across the app. Collaborating in cross-functional squads to deliver impactful financial features. Acting as technical lead: mentoring, supporting PDIs, and guiding on development best practices.
- April 2023 to October 2024 Mid-Level Developer @ Paytrack Technology
Strengthened backend skills with Java and Quarkus, becoming a front-end reference with React and TypeScript. Co-designed and implemented a financial control system for cash flow, reimbursements, revenue, and AP/AR. Led technical analysis: breaking down stories and identifying risks and dependencies early. Promoted design patterns for front and back end, defining review standards for PRs. Ensured SonarQube Quality Gate compliance, maintaining consistent ‘A’ ratings through refactoring and static analysis.
- February 2022 to March 2023 Junior Developer @ Paytrack Technology
Quickly ramped up on React and Spring/Quarkus to contribute across front and back end. Led development of the MRR billing module as sole developer, with analyst support. Designed the company’s first Kafka-based async pipeline, enabling scalable event-driven services. Maintained the legacy Angular/JavaScript/CSS/HTML system, demonstrating adaptability. Contributed to Java backend services (Spring/Quarkus) and worked with MySQL for transactional flows.
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