Jhonata Demuner

Based on Brazil

I'm a Software Engineer & Backend Developer.

I solve problems. Code just happens to be my method.

Work

Education

Software Engineer @ Wine

Oct 2023 - Present

Optimized a geolocation microservice by applying classification algorithms and caching, increasing accuracy by 95% and reducing costs by 50%.
Fixed security vulnerabilities identified in penetration tests, following best practices and eliminating 100% of the detected issues.
Implemented optimizations for high-volume data loads using ActiveMQ, applying parallelism to reduce processing time to less than 10% of the original duration.
Improved the performance of both new and legacy systems through caching with Redis, reducing latency.
Analyze and resolve production bugs using tools like Grafana and Kubernetes, including during high-demand periods such as Black Friday.
Develop and maintain various projects, including legacy code with Spring Framework (Java 7) and microservices with Spring Boot (Java 17 and 21).
Develop interfaces using Java Server Pages (JSP) and jQuery, consistently receiving praise for attention to interface and user experience (UI/UX).