Mario-césar Ayala
Santa Cruz de la Sierra, Santa Cruz, Bolivia
Summary
🤩
Rockstar🎓
Top SchoolMario-césar Ayala is a Senior Software Engineer and Technical Lead with 14 years of experience building scalable Python/Django systems and leading engineering teams from Santa Cruz, Bolivia. He has driven major cost and performance improvements—cutting cloud spend by over 60% and scaling platforms to process millions of monthly invoices—while shipping backend, frontend, and serverless solutions across AWS, Kubernetes, and modern JS stacks. At Zapier and Tesorio he kept high-availability integrations and data pipelines robust at scale, and at tuGerente he led a team of six to automate inventory and financial workflows for thousands of stores. An active open-source contributor, he has improved widely used Django libraries (django-autocomplete-light, django-money, sorl-thumbnail) by fixing bugs, updating tests, and preserving compatibility across Python/Django versions. He combines a humanist perspective with pragmatic engineering—founder of Humanzilla and an ongoing interest in creative writing—that informs product-focused, maintainable code.
14 years of coding experience
12 years of employment as a software developer
Diplomado Escritura Creativa, Diplomado Escritura Creativa at Universidad Privada de Santa Cruz de la Sierra - UPSAComputer Science, Computer Science at Universidad Católica BolivianaEconomics, Economics at Universidad Autónoma Gabriel René Moreno
English, Spanish
Stackoverflow
3,707reputation
914kreached
38answers
17questions
django-views
top-5%
django
top-5%
python
top-5%
Github Skills (28)
python10
image-processing10
django10
testing10
autocomplete10
monetary10
rendering9
render9
decimals9
decimal-numbers9
test-automation9
decimal9
google-maps-api9
django-views9
templating9
Programming languages (7)
Github contributions (5)
jazzband/sorl-thumbnail
Jan 2013 - May 2017
Thumbnails for Django
Role in this project:
Back-end Developer
Back-end DeveloperContributions:254 commits, 47 PRs, 70 pushes in 4 years 4 months
Contributions summary:Mario-césar primarily contributed to the `sorl-thumbnail` Django application, adding functionality to the thumbnail backend. Contributions included implementing file type preservation, which allows the format of the original image to be maintained in the thumbnail, and making the thumbnails more flexible. They also refactored existing code and resolved issues related to image processing within the Pillow and the convert engines.
djangothumbnails
django-money/django-money
Apr 2012 - Jul 2013
Money fields for Django forms and models.
Role in this project:Back-end Developer
Back-end DeveloperContributions:19 commits in 1 year 3 months
Contributions summary:Mario-césar primarily contributed to the `django-money` project by fixing bugs, adding new features, and improving the code's overall quality. Their work involved modifying Django models, forms, and managers to handle money-related data correctly. They also focused on code style improvements and making the project compatible with newer Django versions.
pythondjango-frameworkdjangofieldsdjango-project
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