jadsonmattos
Back End Developer
Back-end Developer with experience in developing REST APIs, microservices, and integrations using Java, Spring Boot, Quarkus, and JPA/Hibernate. I work with PostgreSQL, MySQL, and MongoDB databases, automated testing with JUnit/Mockito, clean architecture, SOLID, and CI/CD. Experience in agile environments and multidisciplinary teams, focusing on quality, scalability, and clean code.
Experience: 2 years
Yearly salary: $30,000
Hourly rate: $20
Nationality: 🇧🇷 Brazil
Residency: 🇧🇷 Brazil
Experience
Full Stack Developer (Volunteer)
Zarpar 2025 - 2025
Development of microservices in Node.js and integration with Firebase. Implementation of architecture patterns (DTO, Repository Pattern). Front-end support in Angular, API consumption, and performance improvements. Creation of automated tests and participation in weekly agile sprints.
Freelancer
Full Stack Web Development 2024 - 2024
Development and maintenance of REST APIs and backends in Node.js and Python. Integration between front-end and SQL (MySQL/PostgreSQL) databases. Implementation of JWT authentication and security improvements. Delivery of features, bug fixes, and performance optimizations.
Research and Immersion Project in Web Development
UniSul / Trybe 2023 - 2024
Development of applications with React, Node.js, Express, and Python (Flask) with RESTful integration. Experiments with Big Data and Artificial Intelligence in the analysis of regional company data.
Skills
web3
java
english