Senior Backend / Full Stack Developer

Led architecture and technical design discussions for scalable, distributed backend solutions in banking contexts. Developed and maintained backend APIs and integrations (REST and SOAP) for business-critical services. Contributed to backend modules in Node.js and TypeScript, including refactoring and service hardening tasks. Implemented and maintained microservices and asynchronous workflows using Kafka and ActiveMQ. Designed and optimized CI/CD pipelines with Jenkins, Docker, and Kubernetes for reliable delivery. Strengthened code quality and operational observability with SonarQube, logging, and monitoring practices. Mentored developers through code reviews and collaborated with stakeholders to translate requirements into technical solutions.

Designed, built, and maintained production backend applications and APIs following Clean Architecture principles. Led architecture and technical design decisions for scalable, distributed services used by core institutional workflows. Implemented and optimized microservices and backend components with Java/Spring Boot and Golang. Designed and maintained message-driven integrations with ActiveMQ and Apache Camel. Implemented caching and session strategies with Redis, and optimized PostgreSQL for transactional workloads. Contributed to backend development in Node.js and TypeScript for service integrations and maintainable module structures. Established and maintained CI/CD pipelines with GitLab and Jenkins across development and production environments. Built and maintained unit, integration, and end-to-end tests with JUnit, Mockito, Testcontainers, and Go testing, aligned with TDD practices. Drove refactoring, code enhancement, and clean code standards through code reviews and team mentoring. Collaborated with business and operations teams to translate requirements into robust technical solutions and provide testing support.

Developed and maintained OpenBravo ERP systems for business management. Optimized PostgreSQL databases and complex queries for enterprise operations. Created stored procedures and PL/pgSQL functions for complex business logic. Customized OpenBravo ERP modules according to client requirements. Developed backend services with Golang for performance-critical processes. Implemented Unit Tests and Integrity Tests with JUnit and Go testing framework, ensuring system robustness. Applied software engineering principles and best practices including SOLID, design patterns, and continuous refactoring to maintain clean and scalable code. Coordinated technical communication between development teams and business stakeholders, translating complex requirements into viable technical solutions.

Developed desktop applications for the healthcare sector (Hospital Carlos Andrade Marín) using NetBeans Platform and Spring Framework. Implemented hospital management modules with responsive interfaces. Integrated the system with Oracle databases to manage medical records.

Designed and implemented a perimeter security system for Corporación La Favorita. Developed authentication and authorization modules with Spring Security. Implemented frontends with PrimeFaces and ICEfaces. Maintained and updated legacy Struts applications.

Built enterprise software solutions for various corporate clients using Java EE and Spring Framework. Implemented web applications with JSF and Spring MVC, delivering functional requirements on schedule. Collaborated in an agile team using Scrum methodology.

Developed modules of the proprietary Venture ERP system using PowerBuilder and PowerScript. Implemented accounting, inventory, and invoicing features for SME clients. Optimized SQL queries in databases to improve system response time.