Mateus Viana de Oliveira e Costa, Developer in Florianópolis - State of Santa Catarina, Brazil
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Mateus Viana de Oliveira e Costa

Verified Expert  in Engineering

Software Developer

Location
Florianópolis - State of Santa Catarina, Brazil
Toptal Member Since
July 22, 2021

Mateus is a creative and proactive developer with 6 years of experience creating products and driving revenue growth through innovative strategy, high-quality architectures, and team leadership. He is a business-focused technologist that assumes ownership over his projects and thrives in fast-paced environments, always balancing the quality and speed of deliveries. For the last three years, he has worked mainly for fintech that leveraged the power of Django and Python to create marketplaces.

ProgrammingBack-endPythonDjangoGitLabDjango REST FrameworkJiraAgileRoboticsDockerAmazon S3 (AWS S3)FlaskMySQLHerokuAWS CloudFormationKatalon Studio

Portfolio

Franq Openbank
Python, Docker, Django, Bitbucket, Serverless Framework, Solution Architecture...
Angle Health Inc
Django, Python 3, APIs
Brick Abode
Katalon Studio, Automated Testing, Groovy, Terraform, Python

Experience

Back-end - 6 yearsPython - 5 yearsGitLab CI/CD - 3 yearsGitLab - 3 yearsJira - 3 yearsDjango - 3 yearsDocker - 2 yearsAWS CloudFormation - 1 year

Availability

Part-time

Preferred Environment

GitLab CI/CD, GitLab, Amazon Web Services (AWS), Django, Docker, Heroku, Python, Django REST Framework, Back-end

The most amazing...

...thing I've developed is a marketplace that allows Brazilians to acquire more than 50 financial products from different institutions in a single place.

Work Experience

Back-end Tech Lead

2020 - PRESENT
Franq Openbank
  • Oversaw the operations of one of the main financial marketplaces in the country.
  • Improved the main marketplace sales process significantly, increasing its conversion by more than 10 times.
  • Established new internal product specification and development processes using Agile principles and more well-defined metrics.
  • Integrated the marketplace with other financial institutions and brought customers different financial products reliably and stably.
Technologies: Python, Docker, Django, Bitbucket, Serverless Framework, Solution Architecture, Amazon Web Services (AWS), Back-end, APIs, Flask

Senior Back-end Developer

2021 - 2022
Angle Health Inc
  • Integrated over three external APIs, including Noyo and Google Maps.
  • Fixed bugs and created new endpoints in more than four microservices.
  • Applied multithreading and other strategies for performance enhancement.
Technologies: Django, Python 3, APIs

QA Tech Lead

2020 - 2020
Brick Abode
  • Reduced the number of bug reports by 50% by establishing a more well-organized release cycle and a CI pipeline with 90% automated test coverage.
  • Improved the user experience by providing fast feedback to the development team with a custom performance verification tool.
  • Coordinated deliveries with team members from more than three different countries.
Technologies: Katalon Studio, Automated Testing, Groovy, Terraform, Python

Python Tech Lead

2018 - 2020
Brick Abode
  • Coordinated the creation of a financial marketplace that closed more than $2 million in deals during its 1st year of operation and matched content producers and investors automatically.
  • Enhanced the performance of the main marketplace process executed more than 50,000 times during 2019 by 79%, saving more than 4,000 hours of processing and customer time.
  • Improved the team stream of releases from three deliveries a month to four deliveries a week using DevOps and Agile principles, such as automated tests and a more robust CI pipeline.
Technologies: Python, Django, Docker, Back-end, APIs, Flask, MySQL

Security Hardening — AWS Infrastructure

https://github.com/mateusvoc13/Design-for-Security---AWS-Cloud-Architect
This project aimed to add security hardening to an AWS infrastructure using DevSecOps principles.

Through the GitHub link, you will see the security hardening in place and the effects on the infrastructure.

Django Cars and Drivers

https://github.com/mateusvoc13/django_garages
A Django-based app that allows storing cars, drivers, and garages and managing garage usage.

Through a simple interface, users can CRUD vehicles and assign them to the respective owner and garage.

This system was created for a programming challenge.

Vital Signs

A Django-based web app that allows nurses and doctors to manage patients' vital signs in real time. The app will also help them make decisions and control which patients should be prioritized based on their conditions.
2016 - 2018

Master's Degree in Robotics

Federal University of Santa Catarina - Florianópolis, Brazil

2010 - 2015

Bachelor's Degree in Mechatronics Engineering

Federal Center for Technological Education of Minas Gerais - Divinópolis, Brazil

2013 - 2014

Bachelor's Degree (Student Exchange) in Engineering

Seoul National University - Seoul, South Korea

FEBRUARY 2021 - PRESENT

AWS Cloud Architect

Udacity

JUNE 2020 - PRESENT

Scrum Foundation Professional Certificate

CertiProf

AUGUST 2019 - PRESENT

Front End Libraries

freeCodeCamp

Libraries/APIs

React

Tools

GitLab CI/CD, GitLab, Jira, Emacs, AWS CloudFormation, Amazon CloudWatch, Bitbucket, Katalon Studio, Terraform, GitHub

Frameworks

Django, Django REST Framework, Serverless Framework, Flask

Languages

Python, C#, Groovy, C++, Python 3

Paradigms

Automated Testing, Agile, DevSecOps, Scrum

Storage

Amazon S3 (AWS S3), MySQL

Industry Expertise

Project Management

Platforms

Docker, Heroku, Amazon EC2, Amazon Web Services (AWS)

Other

Programming, Back-end, APIs, Robotics, YML, Architecture, System Design, RQL, Health IT, Solution Architecture

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