Axel S.
Junior Backend API Developer
Open to offersNew to PlatformAbout
Axel S. is a backend programmer with a specialization in developing REST APIs using Java and frameworks like Spring Boot and Spring Security. He has expertise in implementing JWT-based authentication and designing layered architectures and microservices utilizing Spring Cloud, including Eureka and API Gateway. His work in the pharmaceutical industry involved creating a microservices platform to manage pharmacy operations such as prescriptions, sales, stock, and client services, adhering to SOLID principles and separation of responsibilities. Axel is well-versed in relational databases like MySQL and SQLite, employing persistence with JPA and Hibernate. In the automotive sector, he developed a secure backend for comprehensive vehicle dealership management, utilizing Spring Security to implement stateless authentication and authorization via JWT. Axel's work demonstrates a focus on security, scalability, and maintainability through the use of OpenAPI/Swagger and strategic system design.
Experience
Backend Developer
nullDesigned a backend platform to manage pharmacy operations using microservices architecture in Spring Boot. Each service encapsulates a business domain such as medical prescriptions, sales, stock, and customers, following SOLID principles and responsibilities separation. Implementation involved using JPA for persistence with relational databases, and REST APIs for business operations, while maintaining a design prepared for future growth, including the incorporation of JWT and roles. The project was structured for ease of testing, maintenance, and independent deployment of services.Backend Developer
nullDeveloped a secure backend for the comprehensive management of a vehicle dealership using Java 17, Spring Boot, and Spring Security. The system implements authentication and authorization based on JWT, employing stateless authentication to secure REST APIs and manage access via roles. The application adheres to layered architecture and modularity principles, clearly separating controllers, services, and persistence. It includes modules for users, authentication, vehicle catalog, customers, sales, and payments, with persistence using JPA/Hibernate in relational databases (MySQL/PostgreSQL). Integration with OpenAPI/Swagger ensured a focus on security, scalability, and maintenance.
Skills & Expertise
Education
- Programmer University in ComputingUniversidad Nacional de Santiago del Estero · 2019 — 2025
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