João Maia

Software Engineering Lead

Dock•  June 2023 - Present

Engineering Issuing - Squad Private Label

Head of Data

Quanto•  September 2021 - April 2023

Growth and structuring of data team (Data Governance, Data Platform, and Data Insights) from 2 engineers to 12. Facilitating daily retrospectives and planning ceremonies. Conduction 1:1 with all members of the team. Helping team members grow in their careers with the individual development plan and formulating tactical OKRs for the data team. Proposal new solutions and architectures to prepare for solving technical debts and growth scaling and translating business priority in team activities.

Tech Manager

Pagar.me•  February 2021 - July 2021

Team leadership of PCI DSS environment and API Gateway. My main responsibilities are leading people to results through clarifying goals and mentorship and ensure a safe environment to collaborators deliver their best and growing in their career path. Other responsibilities, infrastructure cost management, and tools. Reporting results through Flighting Levels framework. Writing documentation for Compliance and others.

Software Engineer

Pagar.me•  November 2019 - February 2021

Maintenance of legacy PCI DSS environment bringing to the best practices of software engineering and DevOps. Working with Go in most of the applications and with Open Resty and Lua on API Gateway. Our stack is based on HashiCorp tools, Nomad, Consul, and Vault, running on AWS using Infrastructure as Code. Other contributions, incident response, and working close with DevOps team to get better results.

Software Engineer

meupag!•  July 2018 - October 2019

Migration of legacy Business Intelligence Architecture to a modern Data Pipeline, using Pentaho Data Integration to move data from Oracle Database to AWS Redshift. Data integration with third party services to bring new insights to the business. Replacing Tableau with Metabase to empower people to play with data. Data analysis for fraud detection, money laundering, customer behavior and others. Data Lake design. Migration from On Premise and Oracle Cloud infrastructure to AWS with DevOps Culture and replacing VM usage to Linux Container (ECS). AWS account management and Network architecture.

Software Engineer

Wine.com.br•  February 2018 - July 2018

- Web crawlers using Ruby and Python - Python notebooks for analysis various datasets and get business insights - Provision Docker Jupyter Lab server for team work - Microservices using API Gateway, Lambda, Cognito and DynamoDB

Software Engineer

B2W Digital•  August 2016 - January 2018

- Microservices using Go and Java - WebApps with Node and React - Big Data Pipeline processing with Spark (AWS EMR) - MongoDB and Cassandra queries - Kibana dashboards - Mesos/Marathon deploy using Bamboo CI - New Relic for monitoring and performance analysis - Newest APIs we're using Go with great success and Node for webapps. - Development environment with Docker and docker-compose

Software Engineer

Intelie•  May 2013 - August 2016

- Ruby On Rails development with JRuby - MySQL queries - vSphere administration - Linux servers administration: CentOS and Ubuntu - Server provision with Vagrant. Puppet and Ansible on AWS and others - Frontend development with jQuery, Backbone, Angular and React - Windows desktop application development with Python (mostly GUI with Qt) and C++ - Provision Selenium Grid with Docker - MongoDB provision and queries - WebApps with Node and Java - Data extractors from Google Analytics, Google Spreadsheats, Zendesk, SNMP, Twitter and others - Machine stats collector with Go - Ansible plugins with Python

Software Engineer

Giran•  April 2012 - January 2013

- Ruby On Rails development - Frontend development with jQuery and plugins - Server provision with Bash Scripts on Linode - MySQL queries and backup & restore