Marcos Defendi
Founder at Svelto
Nova Petrópolis, Rio Grande do Sul, Brazil
Summary
🤩
Rockstar🎓
Top School
Top expert inComprehensive Self-Hosting and Secure Communication Solutions
Marcos Defendi is a backend engineer and founder with over a decade of experience designing scalable systems, APIs, and federated architectures from Brazil. He has led backend teams of ~15 engineers and driven key features at Rocket.Chat, including a Matrix-based federation bridge and OAuth integrations for a major open-source communications platform. Marcos founded Svelto to provide auditable evidence of human security controls in chat platforms, translating security needs into measurable, automated baselines for SOC 2/ISO audits. His background spans microservices, CQRS, DDD, serverless AWS stacks, and GraphQL, blending pragmatic engineering with product-focused security. An active open-source contributor and mentor, he brings both hands-on implementation experience and a track record of improving interoperability across messaging and document systems.
10 years of coding experience
9 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at ULBRA
Portuguese, English, Spanish, Italian
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (7)
javascript10
api10
back-end-development10
apidoc10
testing10
meteor9
oauth8
Programming languages (4)
Github contributions (5)
RocketChat/Rocket.Chat
Feb 2018 - Jan 2023
The communications platform that puts data protection first.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1771 reviews, 982 commits, 716 PRs in 5 years
Contributions summary:Marcos contributed primarily by implementing and testing API endpoints and custom emoji functionalities within the Rocket.Chat platform. Their work focused on the development and testing of endpoints like permissions, custom emoji, and discussion functionality. Furthermore, the user made improvements related to the OAuth integrations.
meteordata-protectionchatjavascriptcollaboration
MarcosSpessatto/smart-courses
Sep 2017 - Sep 2017
Contributions:28 commits, 17 pushes in 15 days
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