Being a software engineer, I enjoy translating business needs into robust and integrated technology solutions. I love working in fast-paced environments solving unique and challenging tech problems and developing innovative solutions. Tinkering with new technologies is my passion. With a track record of developing successful project implementations in multi-domains, I have been involved in technical designs, code development, application architecture, code review.
Be sure to check out my website guilhermetoti.com for some of the work I've done.
Sangoma, is a leading voice and Unified Communications (UC) solution provider, award-winning cloud and on-premise UC PBX solutions. Also the primary developer and sponsor of the Asterisk project, the world’s most widely used open-source communications software, and FreePBX, the world’s most widely used open-source PBX software.
Technologies Used: React.JS, SIP.JS, Asterisk, React Native, Socket.IO, Electron, FreePBX
POSpulse is the leading crowd-based shopper insights intelligence company in Europe, providing leading industry segments with more transparency and excellence to better market their products and services. Over 800,000 shoppers and consumers generate insights along the entire customer decision journey, providing real-time feedback on the shopping experience.
Technologies Used: React.JS, Ruby on Rails, Python
Tellus is a real estate platform transforming the rental experience into something efficient and modern. Tellus lets landlords collect rent, track expenses, list their property, screen tenants, handle work orders, sign leases, chat with tenants, find vendors, and more.
Technologies Used: Python, Node.JS, MongoDB, Aurora MySQL, Elasticsearch
literally "free market" in Spanish, is an Argentine company incorporated in the United States that operates online marketplaces dedicated to e-commerce and online auctions, including mercadolibre.com. As of 2016, Mercado Libre had 174.2 million users in Latin America, making it the region's most popular e-commerce site by the number of visitors. The company has operations in Argentina, Bolivia, Brazil, Chile, Colombia, Costa Rica, Dominican Republic, Mexico, Ecuador, Guatemala, Honduras, Peru, Panama, Uruguay and Venezuela.
Technologies Used: React.JS, Node.JS
Use technology to deliver a differentiated customer experience. This is the goal of LuizaLabs, Magazine Luiza's Technology and Innovation lab.
Responsible for digitizing the Brazilian retail through autonomy and agile methodologies to innovate and delight the customer.
Technologies Used: Python, Django, Muffin, AsyncIO, Django Rest Framework, MySQL, MongoDB, Nginx, AWS, APIGEE, React.JS, Redux
Magazine Luiza is a retail chain. It has over 1000 stores, is present in 16 states of the country and its business model today is characterized as a digital platform with physical points.
Its e-commerce operation won 12 times the Diamond trophy in the B2C Excellence in Electronic Commerce Quality Award. In 2017, the company had its best result ever, with a net income of R$ 389 million, an increase of 300% compared to the previous year.
This year (2019), its sales totaled R$ 14.4 billion.
Great Place to Work LATAM - 2016/2015.
Technologies Used: Cython (for performance), Pandas (for large scale data management), PHP, MySQL, MongoDB, Memcached, Pentaho, AWS
StartImob was a startup that developed a Real Estate social network application to easily manage properties offers and enable direct contact with owner and buyer/tenant.
Technologies Used: PHP, MySQL, Nginx, Node, Socket.IO, jQuery
Microsistec is a real estate system that helps real estate brokers manage real estate, service, announce and close deals.
Technologies Used: PHP, ZendPHP, Doctrine, MySQL, jQuery
Web, design and strategic planning agency focused on multi-platform digital campaigns.
Technologies Used: PHP, CakePHP, MySQL, Axure, Photoshop, Fireworks, Illustrator
Marketing and web design agency.
Technologies Used: PHP, MySQL, jQuery
Worked as freelancer developing since the wireframe to the code.
Technologies Used: PHP, CakePHP, Doctrine, Python, Django, MySQL, MongoDB, Nginx, AWS, Photoshop, Illustrator, Fireworks, Axure, Node, Socket.IO, jQuery