Sebastian Castillo Builes

Sebastian Castillo Builes

Python Web Developer with security backgrounds

Medellin, Colombia



What's the difference?

I got 7 years of experience developing python applications with special skills
with Django, Google Appengine and WSGI frameworks. I love to work using scrum
like methodologies, manage user stories with pivotaltracker, I really <3 TDD
and Continuous integration with Jenkins or CIJoe, run tests with nosetests and
when necessary BDD using letucce. I love github (
I have experience leading small development teams and designing high
concurrency software architectures (1200…


Sebastian Castillo Builes has added 2 portfolio pieces. Create an account to review them.

Work History & Feedback

Django expert needed to create website ASAP

No feedback given

2 hrs @ $27.78/hr
Earned $46

Python Developer

Job in progress

112 hrs @ $26.33/hr
Earned $2,953
Tests Taken
Name Percentile Score

Internet Security Test


Unix Shell Script Test