Carlos Castañeda

Java and Web Technologies

IBM•  October 2021 - Present

Developed and maintained microservices for USAA, focusing on risk validation and detection, achieving a 15% reduction in processing time. Engineered scalable microservices and APIs using Spring Boot across Java versions 8 through 21, optimizing performance with reactive programming (WebFlux). Integrated Kafka for ETL processes within an event-driven architecture, improving data handling and processing efficiency. Deployed applications using Helm on OpenShift, streamlining CI/CD and enhancing pod performance. Conducted unit and deployment testing, maintaining high code quality and managing GitLab branches.

Software Engineer Development (I+D+S)

EDICOM•  June 2016 - October 2021

Migrated a monolithic system to microservices using Spring Boot, enhancing scalability and maintainability. Implemented Elasticsearch for improved data indexing and search, optimizing system performance. Utilized SOA services and WebSockets for EDI communication, ensuring efficient data exchange. Led the migration to Angular, enhancing user interface and experience. Developed secure APIs for electronic invoicing, implementing encryption, decryption, and digital signatures.