Joao Mattos E Silva
Software Development Manager at Olibra
Santa Catarina, Brazil
Summary
👤
Senior🎓
Top SchoolJoao Mattos E Silva is a software development manager with 10 years of experience building scalable backend systems and leading small multi-skilled teams from Santa Catarina, Brazil. He moved up from full-stack and backend engineering roles to manage delivery at Olibra, focusing on simple, maintainable solutions that can grow with product needs. His hands-on background includes building high-throughput e-commerce recommendation systems, RESTful APIs with pub/sub architectures, and developer tooling for CI/CD. He also contributes practical open-source tooling, such as a Python WhatsApp bot framework where he implemented media handling and group admin features, showing a taste for pragmatic automation and user-facing integrations. Known for combining operational rigor with developer empathy, he thrives in tight teams that iterate quickly toward impactful outcomes.
11 years of coding experience
7 years of employment as a software developer
Bachelor’s Degree, Computer Science, Bachelor’s Degree, Computer Science at Universidade Federal de Santa Catarina
Portuguese, English
Stackoverflow
4,834reputation
273kreached
28answers
12questions
python
top-5%
pytest
top-5%
pycharm
top-5%
package
top-5%
Github Skills (19)
python10
whatsapp-cloud-api10
media10
regular-expression10
media-type10
multimedia10
whatsapp10
api-design9
pytest9
package9
pycharm9
gtts7
pyopenssl6
floating-point6
python-requests6
Programming languages (7)
Github contributions (5)
joaoricardo000/whatsapp-bot-seed
Sep 2015 - Jul 2016
A small python framework to create a whatsapp bot, with regex-callback message routing.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:46 commits, 9 PRs, 41 pushes in 11 months
Contributions summary:Joao primarily contributed to the development of a WhatsApp bot framework using Python. Their work included adding group administration features like kicking and banning users. They also implemented media handling functionalities, such as downloading and sending images, videos, and text-to-speech audio. Further contributions involved refactoring code and adding new endpoints for bot functionality.
pythonregexwhatsappwhatsapp-bot
joaoricardo000/joaoricardo000.github.io
Jun 2016 - Aug 2017
Contributions:10 commits, 9 pushes, 1 branch in 1 year 2 months
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