Marcio Castilho Email & Phone Number

Florida, United States

São Paulo, BR

Clearwater, FL, US

Since 2010, he was a founding member and Chief Architect Officer for KnowBe4, a cybersecurity company, where he created and developed a multi-billion dollar Cybersecurity platform.

Santa Clara, CA, US

Responsible for the Architecture of the majority of products developed by Malwarebytes. Heavily involved in a lot of the backend systems to support our products, such as Licensing Systems, Update Systems, our metrics and business analytics. Also, leading the architecture of our Anti-Malware for Mac OS X product line.

Sydney, NSW, AU

Acquired by Atlassian. The all-in-one communications app for business & teams. https://hall.comHall helps teams and companies communicate in real-time. Our all-in-one unified communications app has everything your company needs to communicate and get things done. There are thousands of companies using Hall, from small businesses to the world's largest.

Clearwater, Florida, US

Formerly GFI Software, the company was renamed to TreatTrack Security. Working with a great Ruby on Rails Team and C++ Engineers, mainly responsible for the overall direction of R&D.Responsible for all the architectural and design decisions for the Ruby on Rails team in charge a flag ship product, which is a security appliance that analyzes malware.

Austin, TX, US

Lead the team and development of an iOS Device Management Solution for Business to track, perform inventory checks and manage employees iPhones and iPads restrictions and permissions.

Austin, TX, US

Mainly leading a team and designing the architecture of a new Mac Antivirus product for Enterprise customers. Using some technologies such as Grand Central Dispatch, Low-level Core-Foundation file access API and some Kernel Filesystem hooks.

Austin, TX, US

Responsible for engineering and architect the Android Antivirus product, and lead the entire team of both devices engineers and server engineers.

Austin, TX, US

As one of the senior architects in the AV Lab, was responsible to create a very large infrastructure using MongoDB and REST API Servers, to collect, organize, store and process over 500,000 new virus samples each day.

Architected and lead a team of several Ruby on Rails engineers in creating a hardware appliance software stack using Ubuntu, Postfix, Rails to create a high-scalable email filtering platform and message hygiene. Using text classification algorithms (Bayesian, Heuristics, etc) integrated with a full SMTP parsing engine to inspect and modify mail parts.

As a contractor for Microsoft Corporation, worked on the Microsoft Exchange 2007 team responsible for the ASP.NET implementation of the new Web Management Console.

As a contractor for Microsoft Corporation, worked on Microsoft Outlook 2007 and implemented a toolbar extension to listen to voice mails delivered to your inbox. Also worked on a Property page that configure some LDAP settings related to the inbox voice message feature.

After inheriting a semi-developed system in Visual Basic 6.0, was responsible to refactor and bring to RTM a full stack AntiSpam product for Exchange Server. Winning several magazine awards as best Exchange product for several years in a row.

São Paulo, SP, BR

Working in a very large credit-card company in Sao Paulo, Brazil, was a senior software engineer using Borland Delphi to create a Fraud Control system for Microsoft Windows, that was used by thousands of call center employees. Used Borland C++ to create custom components for Delphi, and have also written a few lines of Cobol that was the primary interface.

Co-Founded the company back in 1994, as a primary outlet for creating and selling Windows software products utilizing Visual Basic 3.0+, Borland C++ and Borland Delphi. Created a line of 6 different retail shrink-wrapped products that were sold in several tech outlets and superstores.

Computer Information Systems

Computer Science

Computer Science

Education record