j
johnrr211

John Rondon

@johnrr211

Java Developer

Brazil
Portuguese, English
About me
Systems Analyst | Backend & Automation Engineer | Cybersecurity (Red Team) I design scalable backend systems, automation pipelines, and secure applications focused on performance and reliability. Experienced in C#, ASP.NET Core, Python, Node.js, Java, C++, and TypeScript, with strong background in cloud (AWS/GCP), databases, and Linux environments. Cybersecurity expertise in Red Team, Pentesting, and Malware Analysis ensures a security-first approach. I deliver efficient, scalable, and secure solutions that solve real business problems.... Read more

Skills

j
johnrr211
John Rondon
Offline • 
Average response time: 44 hours

See my services

Bug Fixes
I will develop roblox anti cheat system
From$35 / projectMore details
Game Mods
I will create custom minecraft mods and plugins
From$30 / projectMore details

Portfolio

Work experience

.Net Developer

Amaggi • Full-time

Oct 2023 - Mar 2026 • 2 yrs 5 mos

Working as a Full Stack Developer on the .NET team, contributing to the creation and enhancement of new MVP screens and features. My role covers both front-end and back-end development, focusing on performance improvements, usability enhancements, and modern interface design. I work with technologies such as .NET, C#, Azure, and various web tools, while also using React to build responsive and user-friendly interfaces. My focus is on delivering solutions that optimize processes, improve user experience, and meet business needs with quality and agility.