Mlondy Sabelo Madida

Developed and maintained scalable backend systems using Java and Spring Boot, supporting over 15,000+ monthly active users. Built secure APIs to support mobile/web transactions, user authentication, and real-time account management. Integrated third-party services including payment gateways and credit bureaus to enable real-time credit scoring and instant payments, reducing user onboarding time by 35%. Participated in end-to-end product development, from technical design to deployment in cloud environments such as AWS and GCP. Ensured data integrity and compliance with financial regulations like POPIA, GDPR, and PCI-DSS. Contributed to CI/CD pipeline automation and enhanced system monitoring and error tracking tools.

Developed a secure and scalable e-commerce backend using Spring Boot and Java 8. Implemented authentication with JWT, role-based access control, and RESTful APIs for product and category management. Configured CORS, global exception handling, and input validation for robust API communication. Integrated MySQL with Spring Data JPA and created efficient entity relationships. Used Postman for API testing and Git for version control throughout development.

Developed a secure and scalable e-commerce backend using Spring Boot and Java 8, supporting 500+ products and 1,000+ users during internal testing. Configured CORS, global exception handling, and input validation to ensure robust API communication. Collaborated via Git and tested endpoints with Postman across 50+ API test cases to ensure full CRUD functionality. Integrated MySQL with Spring Data JPA and created efficient entity relationships, supporting features like product filtering and category nesting. Designed and built RESTful APIs for product, category, and user management with average response times under 200ms. Project was hosted on Github (Mlondy04/sb-ecom).