Esteban Retana

Architected and deployed cloud-based software platforms leveraging AWS, FastAPI, Java, and Next.js to support enterprise building automation and operational workflows.

Designed and implemented ETL microservices integrating accounting, service management, and operational systems, improving data synchronization performance by 18%.

Developed centralized data pipelines and transformation services supporting company-wide reporting and analytics initiatives.

Led migration and modernization of company web infrastructure using React, Next.js, NGINX, and AWS-hosted services, improving performance, SEO, and maintainability.

Engineered secure remote access solutions for Niagara building automation systems utilizing AWS networking, reverse proxies, VPN technologies, TLS encryption, and cloud security best practices.

Designed and deployed cloud-hosted Niagara Supervisor environments on AWS EC2, enabling secure multi-site building management and remote operations.

Developed custom Niagara Framework modules in Java for equipment scheduling, device management, alarm processing, and facility automation workflows.

Built internal communications services using FastAPI, PDF generation frameworks, and cloud APIs to automate reporting, notifications, and customer communications.

Implemented cryptographic code-signing automation tools in Python, reducing software release and signing overhead by approximately 20%.

Collaborated directly with executive leadership to evaluate cloud architecture, cybersecurity initiatives, automation strategies, and emerging AI technologies.

Led optimization of iOS Service Report Manager app, enhancing PDF generation with dynamic elements and resolving critical bugs, resulting in 30% improved app performance.

Designed and implemented a high-performance mailing communication platform using FastAPI, streamlining internal and external communications when invoked by the IOS software.

Collaborated closely with CEO and managers to propose and implement productivity-enhancing services, optimizing existing operations and improving overall efficiency.