Mário CostaBack End Developer
A Bachelor`s degree in Information Systems with a specialization in Software Architecture. Currently, I am focused on back-end development as a PHP/Node. Javascript Senior Developer. I have experience with front-end development as well. I aim to implement the best standards, focusing on the reliability and integrity of the project. In result, writing clean and reusable codes and applying the agile methodology for software development. I am always eager to learn and do not shy away from challenges presented to me. The area of Software Engineering and DevOps is of great interest to me.
Certifications
Backend - PHP
PHP
11/26/2019
Node.js
Node.js
12/09/2019
B2 Upper Intermediate
B2 Upper Intermediate, B1 Intermediate
10/07/2021
Tech stack
PHP (10)
Node.js (8)
B2 Upper Intermediate
B1 Intermediate
MySQL (10)
Git (9)
MongoDB (8)
REST APIs (6)
Event-driven Architecture (6)
AWS Elastic Beanstalk (6)
AWS API Gateway (6)
Elasticsearch (6)
Model View Controller (MVC) (4)
JIRA (3)
Redis (3)
Zend Framework (3)
Docker (3)
BitBucket (3)
Data Mining (2)
Python (2)
JavaScript (1)
Kohana (1)
SAP ERP (1)
Experience
Senior Back End DeveloperZoox Smart Data
07/2018 - Currently

At Zoox, I work on a worldwide scale product called Zoox Smart WiFi. I am responsible for developing new features and fixing bugs in our Administrative Panel, APIs that support the product, and the main Portal that receives 9 million requests per day. Accomplishments: - Created a highly available customer insight dashboard on Microservice Architecture that tracks user interactions to extract customer insights in real-time. - Significantly reduction of internal API calls and page speed increasing through cache strategy implementation. - Became a team member who is a technical reference for co-workers. - Migrated the application from fixed AWS Elastic Computing (EC2) machines to AWS ElasticBeanstalk platform in order to have more availability through auto-scaling features.

PHP
Node.js
Git
REST APIs
MySQL
MongoDB
Elasticsearch
AWS API Gateway
AWS Elastic Beanstalk
Event-driven Architecture
Back End DeveloperRealejo Design LTDA
11/2015 - 07/2018

At Realejo, I was responsible for making corrections and improvements to existing systems and also developing new products. One of our main customers was the BFFC franchise group, and two of its main brands had projects with us (Bobs and Yoggi). Accomplishments: - Created an E-Learning project called "Bobs Training Portal" that was used by Bob's employees to help them on their onboard. - Administrated the BFFC Corporate Extranet that had a live dashboard for administrators. This system was responsible for keeping stores information updated and much more.

PHP
MySQL
Redis
Git
BitBucket
JIRA
Zend Framework
Model View Controller (MVC)
Docker
Systems Analyst InternAccenture / Petronect
03/2015 - 11/2015

I was responsible for making corrections and improvements to the Portal Payment system called "Petronect.com.br", which is based on SRM SAP R/3. My role as an Analyst required me to perform tasks such as identifying and writing system requirements’ specifications and test scripts.

SAP ERP
Science Without Borders Scholarship InternCAPES - Coordination of Superior Level Staff Improvement
08/2013 - 12/2014

Studying abroad I was able to improve my English skills and being in touch with a variety of cultures brought me a better vision of the world and a lifelong personal development. In my undergraduate course at Indiana University Bloomington, I was able to learn new technologies for software development such as Python(Django), Node.Js, MongoDB, and a little bit of Ruby on Rails. Also, I reviewed some techniques of Software Engineering in the field of analysis, design, project specification, data modeling, quality assurance, testing e deployment. In other words, the whole software development life cycle. Last but not least, I learned some technologies and methods of Data mining such as clusterization, classification, and regression.

Node.js
MongoDB
Data Mining
Python
Back End DeveloperEditora O Dia ("Online Newspaper")
01/2013 - 12/2013

I was responsible for identifying requirements for new web systems, programming new systems with Kohana MVC framework, and fixing currents systems such as Online Ads. Accomplishments: - Redesigned the online ads system which allowed integration with the partner system more easily.

PHP
MySQL
JavaScript
Kohana
Model View Controller (MVC)
Education
Specialization in Software ArchitectureIGTI
01/2021 - 10/2021
English Courses & Information SystemIndiana University Bloomington
08/2013 - 12/2014
Bachelor in Information SystemFederal Rural University of Rio de Janeiro
03/2010 - 12/2015
Portfolio
Smart WIFI
July 2018 - April 2022
Bobs Fã
January 2015 - July 2018