Oscar Guitián
Senior Site Reliability Engineer I at Flywire
Lugo, Galicia, Spain
Summary
👤
Senior🎓
Top SchoolOscar Guitián is a Senior Site Reliability Engineer and seasoned full-stack developer with over 12 years of professional experience and more than 20 years working across gaming, e-commerce, e-learning, and web development. He blends deep backend expertise in PHP, Python, and Go with strong Linux/BSD systems administration, automation (Docker, Ansible), and cloud-native patterns including AWS Lambda and serverless architectures. As a former CTO and long-time freelancer he has built production APIs, EV charging backends in Go, and managed on-prem and AWS infrastructure while guiding teams to adopt CI/CD and IaC best practices. He contributes practical documentation improvements to notable open-source projects like django-cms, reflecting a focus on usability as well as engineering. Based in Lugo, Galicia, he pairs hands-on tool-first craft—nvim, tmux and working from his van—with an emphasis on scalable, maintainable systems. Oscar is motivated by automation and measurable reliability gains, turning operational complexity into repeatable engineering.
12 years of coding experience
1 year of employment as a software developer
CCNA sistemas cisco routing, CCNA sistemas cisco routing at CISCO Network AcademyAdvanced Linux Administration Systems Systems Engineering, Advanced Linux Administration Systems Systems Engineering at Universidad de Santiago de CompostelaSystem Administration Legal Professions and Studies, System Administration Legal Professions and Studies at IE Business School
Spanish, English, Galician
Stackoverflow
1,445reputation
191kreached
13answers
5questions
Github Skills (16)
reinstall10
cms10
postinstall10
installer10
python10
installers10
virtualenv10
django10
documentation10
service-worker6
progressive-web-apps6
css6
php6
google-chrome6
codeigniter6
Programming languages (18)
Github contributions (5)
django-cms/django-cms
Dec 2013 - Jan 2014
The easy-to-use and developer-friendly enterprise CMS powered by Django
Role in this project:
Technical Writer
Technical WriterContributions:5 commits in 4 days
Contributions summary:Oscar primarily focused on improving the project's documentation related to installation and configuration. Their contributions included updating installation instructions for Mac OSX, correcting dependency information, and providing more details about virtual environments. These changes aimed to enhance the clarity and accuracy of the documentation, making it easier for users to set up and use the django-cms project.
cmspythondjango-frameworkdjangodjango-cms
oscarmlage/bofhers
May 2019 - Nov 2022
#BOFHers project
Contributions:2 reviews, 79 commits, 10 PRs in 3 years 7 months
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