Bernardo De Araujo
Staff AppSec Engineer at Stripe
Canada
Summary
🤩
RockstarBernardo De Araujo is a Staff Application Security Engineer with 11 years of experience building secure, developer-friendly systems and leading teams at Shopify and now Stripe. He blends hands-on engineering—shipping Ruby on Rails services and security automation for large ecosystems—with leadership in vulnerability management and CI-integrated static analysis. Bernardo’s open-source contributions span backend improvements in Elixir and Rust projects (including Exercism’s Elixir exercises and enhancements to the RustScan port scanner), reflecting a pragmatic focus on code quality and performance. Based in Canada with a computer science background, he is skilled at turning security requirements into scalable, developer-centric controls while preserving product velocity.
11 years of coding experience
16 years of employment as a software developer
English
Github Skills (16)
algorithm10
data-structures10
algorithms10
rust10
port-scanning10
nmap10
data-structure10
elixir10
networking9
security9
testing9
acc8
maintenance8
cc8
tracks8
Programming languages (7)
Github contributions (5)
bee-san/RustScan
Jul 2020 - Oct 2020
🤖 The Modern Port Scanner 🤖
Role in this project:
Backend Developer
Backend DeveloperContributions:39 reviews, 30 commits, 29 PRs in 2 months
Contributions summary:Bernardo's contributions focused on improving the functionality and maintainability of the RustScan project. They implemented a wait mechanism to ensure child nmap processes exit completely, resolving potential zombie processes. The user also refactored the scanning code into a dedicated module for future scalability and decoupled it from argument parsing, improving the overall structure. Furthermore, the user optimized the code by reducing string allocation, thereby enhancing performance.
nmapscannersecurity-toolsportport-scanner
exercism/elixir
Apr 2016 - May 2016
Exercism exercises in Elixir.
Role in this project:Back-end Developer
Back-end DeveloperContributions:10 commits, 6 PRs, 44 comments in 1 month
Contributions summary:Bernardo primarily contributed to the development of Elixir code within the exercism/elixir repository, focusing on implementing and refining exercises. Their work involved creating new exercises such as "accumulate", "binary-search", "change", and "hexadecimal". They also made changes to the function signature to adhere to Elixir conventions and improved the existing code with features like sorting checks and refactoring, demonstrating a strong understanding of Elixir best practices.
exercismelixirexercism-exercisesexercism-trackcommunity-contributions-accepted
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