I am an experienced backend developer having more than 3 years of experience. I help businesses build secure, scalable, and high-performance backend systems. I specialize in robust authentication and security solutions, including MFA, JWT, and Keycloak-based authentication, and develop payment and KYC solutions for financial and e-commerce platforms. Skilled in Java, Spring Boot, Microservices, REST APIs, MySQL and PostgreSQL databases and Docker, I deliver clean, maintainable backend systems that improve performance and ensure strong data security.... Lee más