João Alberto Rodrigues

Developed a live-streaming platform MVP end to end, from Java 21 / Spring Boot 3.2 back end to Angular 17 / Ionic 7 front end, turning client requirements into features through biweekly review meetings. Designed streaming flow on Livepeer Studio APIs and implemented role-based access with Keycloak and Spring Security.

Engineered backend data architecture with Java 17 and Spring Boot, implemented Flyway migrations and secure REST APIs, and optimized server-side performance to resolve critical bottlenecks during Nov 2024–Aug 2025 internship.

Refactored a legacy REST API with lean DTOs and pagination, reducing payload size and improving response times by up to 500 ms. Implemented JWT authentication and granular access control, optimized persistence layer with JPQL, and introduced Flyway database versioning.

Engineered a RESTful API for footwear inventory using Java 18 and Spring Boot, designed scalable persistence with Spring Data JPA, and delivered high test coverage with JUnit 5 and Mockito to ensure reliability.

Developed a high-performance backend service in Java and Spring Boot to analyze historical Olympic data, optimized Spring Data JPA queries to reduce memory overhead and enabled dynamic API endpoints for flexible client queries.

Architected a native Android app with Clean Architecture and MVVM, implemented offline-first persistence using Room and synchronized data with Retrofit and Coroutines for efficient background processing.

Completed a Java back-end specialization with a professional certificate, covering microservices, Kafka, Saga, and Resilience4j.

B.S. in Software Engineering completed with focus on building scalable server-side applications using Java and Spring Boot, concluding in Jan 2026.

Earned a Bachelor of Science in Software Engineering from the Federal University of Ceará.

Completed English language training at Centro de Cultura Anglo-Americana, achieving fluent proficiency.