Raúl Santos
Principal Software Engineer at Ground Up
Portugal
Summary
🤩
Rockstar🎓
Top SchoolRaúl Santos is a principal software engineer and engineering leader with 25+ years of experience delivering cloud-native, maintainable systems that drive measurable business value. He specialises in backend engineering, distributed systems, and cloud optimisation, with hands-on expertise in Python, Go and Elixir and a track record modernising legacy stacks into scalable platforms. Raúl has built high-throughput data pipelines and CDC platforms used for real-time analytics at organisations including Google and The Linux Foundation, and has cut cloud costs by up to 70% while accelerating delivery via containerised CI/CD. He mentors small engineering teams, shapes architecture, and embeds sustainable remote workflows so technical decisions align with product and business goals. An active open-source contributor, he improved Drupal import tooling for the popular Jekyll importer and added Portuguese holiday support to the widely used workalendar library, showing attention to both infrastructure and localisation. Based in Portugal, he brings a pragmatic focus on simplicity, technical excellence, and solving problems at the intersection of software, infrastructure and operations.
15 years of coding experience
26 years of employment as a software developer
Machine Learning (ml-class.org), Machine Learning (ml-class.org) at CourseraChinese Martial Arts, Chinese Martial Arts at Associação de Artes Marciais Yang PortugalIntroduction to Artificial Intelligence (ai-class.org), Introduction to Artificial Intelligence (ai-class.org) at UdacityComputer Engineering Computer Science, Computer Engineering Computer Science at Universidade Nova de LisboaHigh School, High School at Escola Secundária Fernão Mendes PintoTui Na Massage, Tui Na Massage at Clínica Médica SofisantFormação Pedagógica Inicial de Formadores Teaching, Formação Pedagógica Inicial de Formadores Teaching at NHKFirst Aid, First Aid at George Fell
Portuguese, English, Spanish, French
Stackoverflow
2,214reputation
140kreached
26answers
17questions
Github Skills (25)
drupal10
pytest10
python10
session-management10
calendars10
ruby10
php10
localization10
jekyll10
oauth10
redis9
sequel9
symfony9
symfony-ux9
api8
Programming languages (15)
Github contributions (5)
daviddesberg/PHPoAuthLib
Aug 2013 - May 2015
PHP 5.3+ oAuth 1/2 Client Library
Role in this project:
Back-end Developer
Back-end DeveloperContributions:15 commits, 1 PR, 3 comments in 1 year 9 months
Contributions summary:Raúl primarily focused on enhancing the OAuth library's token storage mechanisms. They implemented and fixed token storage across various storage types (Memory, Redis, Session, SymfonySession). The user also addressed bug fixes and improvements in the token storage, ensuring proper deletion of user tokens. Additionally, the user contributed to the code by updating the library to include new Facebook and Linked-in permissions.
php-5client-libraryphpauthenticationflarum
jekyll/jekyll-import
Dec 2015 - Jul 2016
:inbox_tray: The "jekyll import" command for importing from various blogs to Jekyll format.
Role in this project:Back-end Developer
Back-end DeveloperContributions:14 commits, 4 PRs, 10 comments in 7 months
Contributions summary:Raúl primarily worked on improving the Drupal import functionality of the Jekyll importer. Their contributions involved adding support for different Drupal versions (6 and 7) and content types. The user refactored the code by moving common Drupal-related functionalities into a reusable module, enhancing maintainability. Additionally, the user addressed bugs and improved code formatting.
inboxtrayjekyll-importjekyll-pluginimporting
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