Software Engineer

• Jul 2021 - Present

Software Developer

• May 2019 - Jul 2021

- Engineered and implemented features, SOAP and REST APIs in Logistics Systems. - Proactively identified and fixed technical, security and business bugs. - Continuously have an analytic point of view, not only focusing on the current task but also thinking about what's best for the project in the long term, supporting and leading important decisions. - Translated and maintained a small project in Python. - Reviewed code from the rest of the team, occasionally avoiding bugs and suggesting improvements when possible. - Main technologies used: PHP, MySQL, Docker Compose, Bash, Redis, Python, Linux. RESULTS: - Discovered and fixed a complex bug in legacy code that was wasting money, resulting in 20% less operations of that kind. - Refactored core parts of legacy code with many bugs in one project, resulting in 90% less support tickets. - Discovered and fixed a bug that was duplicating thousands of files, causing unnecessary use of storage and processing time. Reduced amount of files by 30%. Show less

Full stack developer

• Apr 2017 - Apr 2019

- Led the architecture, development and improving of a great Trade Marketing solution, divided in 2 projects: a website with REST API and a hybrid app. - Promo Marketing Report ( https://promomktreport.com.br/ ) - Simplify, manage and automate processes and campaigns of Trade Marketing. Launched in 2013, served more than 100 companies and it's still active today. - Main technologies used: PHP, Zend Framework 2, PostgreSQL, SQLite, Ionic V1, JavaScript, AngularJS, jQuery, CSS and HTML. RESULTS - Created a Cordova Plugin to verify if automatic date, time and timezone is enabled in Android ( https://github.com/edsonhoraciojunior/verify-automatic-date-time-zone ) - Improved the data structure and performance in many endpoints of the REST API, which could reach 10k+ rows with complex relationship to each other, for better performance and user experience in the Hybrid App. - Implemented Online Timecard with optional location restriction in the app. - Improved Checkin / Checkout system with optional conditions related to Survey Forms. Show less

Full stack developer

• May 2013 - Apr 2017

- Managed the development team, consisting of 4 developers including me. - Led the architecture, development and improving of 3 projects in Trade Marketing sector. - Promo Marketing Report ( https://promomktreport.com.br/ ) - Simplify, manage and automate processes and campaigns of Trade Marketing. - Trade Web Report - It's the first version of Promo Marketing Report, this is a web only project, it stayed online for about 3 years serving more than 50 companies. - Casting - website to simplify the hiring of promoters by the agencies, to work in Trade Marketing campaigns. - Conducted developer interviews. - Reported directly to the directors of the company, regarding new features, improvements and business decisions related to software. - Main technologies used: PHP, Zend Framework 2, CodeIgniter2, PostgreSQL, SQLite, JavaScript, AngularJS, jQuery, CSS and HTML. RESULTS: - Designed and implemented key complex features for Promo Marketing Report such as: - Dynamic Forms (like Google Forms). - Dynamic Validations, allowing for numerical formulas and combinations of questions of types like numerical, multiple-choice or single-choice. - Conditional questions depending on answer of other questions and the relationship with other entities in the system. - Online Timecard with optional location restriction. - Led the migration of physical server structure to cloud with the help of a Cloud Specialist Company, which implied software changes in Promo Marketing Report project and migration of dozens of databases. Show less

Junior Developer

• Feb 2012 - May 2013

Develop and maintain Web applications using: PHP, Composer, CodeIgniter 2, Zend Framework 2, Javascript, jQuery, Git. Basic use of relational database in Postgres (select, insert, update and delete). Develop and maintain Web applications using: PHP, Composer, CodeIgniter 2, Zend Framework 2, Javascript, jQuery, Git. Basic use of relational database in Postgres (select, insert, update and delete).

Suporte Técnico

• May 2010 - Feb 2012

Technical support for Santander employees. First level support for systems password changes. First level support for E-mail clients such as Lotus Notes and Outlook. First level support for Business operation, problem solving and ticket opening for internal Santander softwares and ATMs. Technical support for Santander employees. First level support for systems password changes. First level support for E-mail clients such as Lotus Notes and Outlook. First level support for Business operation, problem solving and ticket opening for internal Santander softwares and ATMs.