Antonio Vargas is a backend developer with 9+ years of experience designing scalable, high-availability systems for fast-growing SaaS companies. He specializes in building RESTful APIs and microservices with Node.js using JavaScript and Typescript, with a strong focus on performance, security, and clean architecture. At his last role at Bairesdev, Antonio led the redesign of the core billing platform, reducing API latency by 40% and improving system reliability across three global regions. He is passionate about mentoring junior developers, automating everything from testing to deployments, and translating complex technical challenges into clear, actionable solutions for stakeholders.More...