Natália S. Gomes

About me I am a Java back-end developer. I work on the development of RESTful APIs using Java and Spring Boot. I create solutions focused on generating a positive impact on people's lives. I apply my creativity to solve problems in a practical and efficient way. I use tools like Docker, JUnit, and Swagger in my daily work. Currently working on microservices communication, RabbitMq & Kafka. Work Experience Java Backend Developer | Freelancer Jun. 2022 – present Development of RESTful APIs with Java 17 and Spring Boot, from requirements gathering to deployment. Implementation of authentication via JWT and OAuth2 Resource Server. Optimization of Docker images with multi-stage builds, reducing their size by 50%. Test coverage above 80% with JUnit and Mockito. Integrations with PostgreSQL, MySQL, MongoDB, and external services. Asynchronous communication with RabbitMQ and SQS in microservices. API documentation with Swagger/OpenAPI.

Education Tecnologia em Sistemas para Internet IFPB – Instituto Federal da Paraíba Fev. 2021 – Mar. 2025 Languages English – B2: fluent technical reading, intermediate written communication, practice in documentation, tutorials and international courses. Spanish – B1: basic reading and general understanding. Skills Certifications Back-End Developer – Oracle Next Education Arquitetura com Spring Boot e Cloud – DIO Java e Spring Framework – Alura

Portfolio

MAVIS - RESTful API for managing health profiles and send emergency alerts. Currently being refactored to separate responsibilities into microservices.
Technologies: Java, Spring Boot, JWT, OAuth2 RS, Flyway, Hibernate, Swagger, PostgreSQL, Docker
Links: Repository

Spendwise API - Backend for managing personal expenses, with dynamic filters, JWT authentication, income and expense management, budgeting by category, and financial reports generation.
Technologies: Java, Spring Boot, JWT, OAuth2 RS, PostgreSQL, Hibernate, JUnit, Swagger, H2 Links: Repository

CurrencyMate - A console-based currency conversion tool using real-time exchange rates from ExchangeRate-API. Stores conversion history in JSON and logs key events.
Technologies: Java, REST API Consumption, JSON
Links: Repository

SolrBridge - Microservice architecture for indexing and querying CSV data using Solr. Includes a Flask API to ingest data into PostgreSQL, organize it into JSON and index via Solr. Dockerized for ease of deployment.
Technologies: Python, Flask, PostgreSQL, Solr, Docker
Links: Repository