Felipe S.
Principal Engineer

Skills

Django

Cascading Style Sheets

Bash

Wordpress

Html

Javascript

Php

Python

Postgresql

Mysql

Docker Cloud

Felipe is available for hire

Hire Felipe S.

All Howdy Candidates are vetted for skills and english proficiency.

Bio

A seasoned software engineer with over 18 years of extensive experience, anchored by a robust academic foundation. Possessing a multidisciplinary skill set and self-taught capabilities, this professional is a dedicated team player with leadership experience and an aptitude for swiftly adapting to new challenges and environments, all while maintaining a strong focus on efficiency and results. Exhibiting a deep passion for technology, there is a continual pursuit of new knowledge. With a product-centric approach, technical expertise and problem-solving acumen are leveraged to contribute effectively to decision-making processes. Areas of interest include design, architecture, web and standalone development, distributed systems, and crawlers.

Senior Python Developer
9/1/2021 - Present

Developed proficiency in Python, React, and C within a Linux environment to provide solutions for over 27,000 restaurants in more than 100 countries and US territories. Utilized Agile methodologies and a mature Software Development Life Cycle, including CI/CD processes, code quality checks, and a well-defined issue lifecycle. Gained extensive experience with tools and technologies such as CircleCI, Docker, GitLab, Jira, Datadog, and SonarCloud.
Senior Software Engineer
8/1/2021 - 9/1/2021

Designed and maintained Django REST APIs using the Django REST framework for a major enterprise in Brazil. Developed proficiency in Python, Django, and RESTful APIs. Utilized Docker and Docker Compose to create efficient and scalable containerized applications.
Senior Software Engineer
9/1/2015 - 8/1/2021

Developed proficiency in Python, Django, and PostgreSQL while working on a MarketPlace SEO Coach system. Utilized IA, Bootstrap, Django REST framework, and RESTful APIs to optimize marketplace product details URLs for search keywords. Implemented Docker and Docker Composer to streamline development and deployment processes.

Designed and built a custom OpenProxy Downloader & Manager from scratch, effectively scraping and managing ‘Free Proxy List sites’ by bypassing JavaScript-generated pages. Leveraged Python, Django, Puppeteer, BeautifulSoup, and the Python Requests Library to provide features such as last check, uptime, proxy speed, and anonymity levels.

Completed the Marpissa Crawler/Scraper project as a final undergraduate assignment, focusing on identifying external links pointing to a given webpage to enhance SEO analysis. Achieved over 1,000,000 daily pages with a crawler built using Python, MySQL, and Greenlets, demonstrating robust web scraping and SEO analytics capabilities.

Participated in various internal projects, employing a diverse set of technologies, including Python, Django, PHP, PostgreSQL, MySQL, WordPress, C#, Linux scripting, and Bash to meet project requirements and deliver high-quality software solutions.
Technical Consultant & Senior Software Engineer
3/1/2011 - 8/1/2015

Developed and launched the MK Music website utilizing WordPress, showcasing proficiency in PHP, MySQL, and WordPress development. Designed and managed a custom mailing system for MK Music, including the creation of a preferences center for subscription management and integration with over 40 company websites into a unique database system mirrored with Elastic Email. This project successfully reduced monthly costs from R$2,500 to R$144, demonstrating expertise in PHP, web services, REST, and mailing systems.

Led the development of new versions of singers' websites for Site de Artistas, which included plugin creation and scripting for database migration from old PostgreSQL (SUAP) to new WordPress XML-RPC. This work involved advanced knowledge in JavaScript, AJAX, PHP, web services, PostgreSQL, MySQL, and WordPress plugin development.

Spearheaded the recruitment and hiring process for senior and junior web designers and full-stack developers, demonstrating leadership and talent acquisition skills. Drove the affiliate system project for Mk Shopping, significantly increasing e-commerce sales by monetizing third-party gospel sites and boosting SEO rankings through increased incoming links.

Managed AdWords campaigns for e-commerce, optimizing keywords for ROI and identifying patterns that were replicated across campaigns for more than 60 artists, showcasing skills in data analysis and AdWords management. In a free-time project, developed Descontix, a group buy aggregator written in Django, providing three methods to register new websites, including a scrap system with separated scrap filters, XML import section, and manual product insert for paid customers' websites. This project demonstrated expertise in Django, Python, web scraping, and MySQL.
Project Manager & Senior Web Developer
10/1/2005 - 2/1/2011

Designed and managed an e-commerce platform using Magento, ensuring integration with online payments and local inventory systems, and enhancing SEO techniques to increase search engine-driven sales. Utilized PHP, Magento, and Oracle for successful project implementation. Developed an FM radio audio recorder, managing multiple Linux MPlayer instances through a PHP web interface to provide daily audio for strategic planning. Worked with MPlayer and PHP.

Created a DVD video editor in C#, enabling multiple video crops and titling per song, with the functionality to upload projects to a proprietary video platform. Mastered C# and PHP for this initiative. Initiated the ActiveForm project, developing a web form analytics system to monitor metrics such as bounce rate and abandon rate, facilitating recovery of incomplete sales through integration with call center operations. Leveraged HTML, CSS, JavaScript, AJAX, and PHP for comprehensive web form insights.

Oversaw recruitment for senior full stack developers, ensuring a high-caliber team. Managed the design and functionality of a radio website using PHP and the SUAP CMS. Developed a web management system for over 400 music albums, encompassing flexible search options and detailed album information, using HTML, CSS, JavaScript, AJAX, Ruby on Rails, and Linux.

Designed and developed a CD audio ripper with a user interface to handle missing track data, saving CDs as XML files for later import. Utilized C#, FreeDB, and Web Services. Lectured a workshop on Web Metrics and SEO to undergraduates. Conceptualized and programmed a web system to streamline courier pickup lists, integrating ERP and web service data, significantly reducing manual work with automated notifications. Employed HTML, CSS, JavaScript, AJAX, PHP, and Oracle.

Developed a paid SMS news website with seamless telecom web service integration to manage user subscriptions. Used HTML, JavaScript, AJAX, and PHP for effective user management. Designed and managed a comprehensive web portal based on SUAP CMS, incorporating forums, email systems, and webchat functionality using PHP, PostgreSQL, Sajax, Smarty, HTML, CSS, and Jabber.

Created and managed the SUAP CMS, an in-house content management system with plugin development for news, photo galleries, surveys, and more. This became the default CMS for over 50 websites, showcasing expertise in PHP, PostgreSQL, AJAX, HTML, and CSS. Led recruitment for senior web designers and back-end developer interns, implementing innovative testing methods to gauge self-taught skills.

Managed a live competition for singers using a voting system via SMS, phone, and website, integrating data scraping techniques from telecom services. Utilized PHP, PostgreSQL, HTML, CSS, and CRON scripts to ensure a smooth and engaging competition experience.
Web Developer
11/1/2003 - 10/1/2005

Developed the backend PHP pages for an administrative system, enabling the receipt and extraction of magazine PDFs, subsequently saving them as post drafts. Also created a custom web image cropper leveraging JavaScript, DOM, and PHP GD, without relying on any JavaScript libraries, showcasing advanced proficiency in PHP, GD, PostgreSQL, JavaScript, and DOM. Designed a church management software for Windows, featuring network search and a dedicated webchat supported across all church networks via a RESTful Python web service hosted on a Debian server, which involved extensive use of Django, Python, RESTful web services, Delphi, and database management.
Junior Web Developer
3/1/2003 - 10/1/2003

Addressed and resolved front-end and back-end instabilities in playlist creator for a music portal using JavaScript, DOM, XML, and PHP. Utilized tools such as Vim, SED, and grep to ensure efficient debugging and problem-solving. Enhanced website compatibility across major browsers, including implementing solutions for AJAX support in Internet Explorer 6.0 by encapsulating an iframe within a JavaScript class. Successfully employed JavaScript, DOM, XML, Vim, SED, and grep to achieve cross-browser functionality.
Web Development Intern
11/1/2002 - 2/1/2003

Developed an advanced audio/video web player for a primary music portal using a combination of JavaScript, XMLHttpRequest, XML, REST, and DOM technologies, which collectively predated the term AJAX.