Open to opportunities

Pablo Marengo Cafaro

@pablomarengocafaro

Message

Senior telecommunications engineer and full-stack developer specializing in Ruby on Rails and Python/Django.

United States

Message

What I'm looking for

I seek senior engineering roles where I can lead teams to build secure, scalable web platforms, drive cloud/DevOps adoption, and automate network and application operations.

I am a Senior Telecommunications Engineer and Full-Stack Developer with over 10 years combining Ruby on Rails development and infrastructure management across cloud platforms. I build scalable web applications, design secure solutions, and automate processes to improve performance and reliability.

At Citibank I developed internal Rails applications for network monitoring and incident management, migrated legacy apps to Rails 6, and led a 5-developer Scrum team while achieving 92% test coverage with RSpec and Capybara. I have integrated systems with Cisco ACI, VMware, OAuth2, and implemented DevOps practices across AWS, Azure, and Google Cloud.

I hold a Telecommunications Engineering degree from the University of Pisa and industry certifications including CCNA, Python, and Ruby. I focus on delivering secure, maintainable systems using MVC and microservices architectures, CI/CD pipelines, and infrastructure automation.

Experience

Work history, roles, and key accomplishments

Current

Senior IT Engineer

Current

Citibank

Mar 2017 - Present (8 years 8 months)

Developed internal Ruby on Rails applications for network monitoring, incident management, and task automation; migrated legacy apps to Rails 6 and implemented RSpec/Capybara tests achieving 92% coverage while leading a 5-developer Scrum team.

Ruby on Rails RSpec Capybara Cisco ACI VMWare API Integration AWS Scrum CI CD

Python/Ruby Developer

Cyberlinetechnology

Jul 2016 - Jan 2017 (6 months)

Built a Rails-based device inventory and configuration platform with OAuth2 authentication and ActiveAdmin; deployed to AWS with load balancing and automated backups and optimized SQL queries to reduce response times by 40%.

Ruby on Rails Python OAUTH2 ActiveAdmin AWS SQL Optimization Load Balancing DevOps Backup

Telecommunications Engineer

Mavencommerce Inc.

Apr 2015 - Jun 2016 (1 year 2 months)

Developed Rails scripts and applications to automate technical support and incident tracking and implemented real-time notifications using ActionCable and Redis to improve operational responsiveness.