Paulo Fabiano Langer

Jumpseller is an e-commerce platform-as-a-service with thousands of customers around the world. My job here is to help the company to improve its system and develop new features and applications with Ruby, Rails, Padrino, Sinatra, React, Webpack, TDD, Rspec, MySQL, PostgreSQL and Javascript. Besides that I also helped the company to implement and SCRUM and running standup, sprint planning, sprint review and sprint retrospective meetings.

Chefsclub is the biggest gastronomy club in Brazil. My job here was to help IT team to create a brand new mobile app, web applications and API from the ground using Ruby, Rails, Elasticsearch on top of a Trailblazer architecture to replace the previous PHP platform.

Pixelaranja is a digital agency specialized in digital presence. Also responsible for full-stack development using Ruby, Rails, RSpec, HTML, CSS, Javascript, jQuery, PHP and Wordpress. Besides that, I was also responsible for finding new business opportunities, running meetings, negotiations and managing contracts.

MobGeek is a promising Brazilian startup that helps newbies with programming learning. As lead developer I was responsible for building and improving MobGeek learning platform using Ruby, Rails and RSpec. Until new hirings, for several months I also was the front-end developer.

H.Stern is the biggest jewelery in Brazil and world top 4, according themselves. I built all H.Stern’s new e-commerce platform front-end content and also had the opportunity to develop a C#.NET MVC project.

CasaDigital is one of the biggest digital agencies in Brazil. I used to build web sites and online systems for several big clients from market in general, politics and governamental organizations. I had a full-stack position developing projects with PHP, MySQL, Wordpress and Ruby on Rails.

B2W group is the biggest South America e-commerce group. As part of the marketing team, I used to coordinate the front-end team responsible for supporting commercial and marketing daily actions for customers. In the last years I was part of the system architecture team and was chosen to be part of the future research and development department. I had the opportunity to create a PHP system for handling marketing requests from comercial area and also a JSP internal system.

Mock-ups and layouts creation; Front-end and back-end development with PHP and MySQL

Mock-ups and layouts creation using Photoshop and Fireworks; Front-end development with HTML, CSS and Flash.

Mock-ups and layouts creation; Front-end and back-end development with HTML, CSS, Javascript, Flash and ASP.

Front-end development with HTML, CSS, Javascript and Flash.

I was an intern Progress Language programmer helping to customise tax and financial system that was bought from abroad.

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System analysis and design