Senior Backend Developer with over 6 years of experience building enterprise systems in production, leading technical teams and making architectural decisions in AWS cloud environments, with a focus on Node.js, Python, PostgreSQL and process automation
Responsible for architecture, technical leadership, and stack. I implemented DIAN integration, AWS infrastructure (EC2, RDS, S3, Amplify, Lambda, Route 53, IAM), SQL optimization, multi-tenant authentication, and developer mentoring.
Logro principalI led the complete redesign of the POS system in ElectronJS, integration with DIAN for electronic invoicing, cloud infrastructure on AWS, management of +40 databases, advanced authentication and technical leadership.
Development of PHP modules, REST APIs in Python and Node.js, desktop POS in ElectronJS, MySQL and PostgreSQL administration, hardware integration and electronic payments.
Logro principalI developed cloud modules, REST APIs, POS applications in ElectronJS, hardware integration, and production database management.