Carlos Z.

Carlos Z.

Senior Software Engineer

São Paulo, Brazil
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About Me

Carlos is a senior full-stack developer with over 16 years of professional experience, having worked as a web developer, data scientist, and creative technologist. He has a huge passion for anything related to technology and uses this passion both to keep learning and improving as an engineer and on every project that he works on.

Work history

Ring
Senior Front-end Engineer
2022 - Present (3 years)
Remote
  • Developed interfaces and components that run in AWS' Management Console, mostly related to Ring's IoT products.

  • Improved performance of legacy components and hooks in AWS consoles.

  • Provided consultancy on best practices for the development of front end web interfaces.

BigTime Studios
Sr. Full-stack Developer
2021 - 2022 (1 year)
Remote
  • Developed and maintained the company’s marketplace website, where users can buy and sell NFT items that can be used in the upcoming BigTime game.

  • Engineered and maintained the back-end application and its API that powers the company’s marketplace.

  • Developed blockchain-based technologies used in online games.

DJCity
Sr. Full-Stack Developer
2020 - 2021 (1 year)
Remote
  • Developed and maintained the company’s web platform.

  • Developed and maintained the back-end application and its API. The API provides content and user authentication for the company’s front-end apps, specifically web, mobile, and desktop.

  • Updated the company's website layout to match a new branding strategy.

Dojo
Senior Developer
2018 - 2019 (1 year)
Remote
  • Developed web sites and web applications for digital advertising campaigns.

  • Developed augmented reality experiences for advertising campaigns.

  • Created an online store system, both front-end, and back-end applications.

  • Worked as a creative technologist, providing ideas and concepts for digital advertising campaigns.

SASSReduxReact Node.jsJavaScriptCSSHTMLFull-stack StorybookNext.jsFront-end REST APIs DjangoPythonAPIsAPI IntegrationGoogle Cloud Platform (GCP) Google Sheets Web DevelopmentExtensions
Catho
Web Developer
2017 - 2018 (1 year)
Remote
  • Developed the front-end interface of a web platform that delivers information about universities and college courses.

  • Worked on the back-end application that delivered this information.

  • Worked on a system to collect and process user information about universities they attended.

  • Developed systems to scrape and process public information about universities.

  • Mentored and trained trainees and junior developers.

Loggi
Data Scientist
2014 - 2016 (2 years)
Remote
  • Researched and developed optimization algorithms for logistics and routing problems.

  • Developed a heuristic to solve bin-packing problems.

  • Created statistic models to analyze and improve the performance of couriers.

  • Worked on user interfaces for logistics applications (e.g.: track the position of couriers in real-time).

  • Created a digital interface to collect user signatures.

Geekie
Web Developer
2013 - 2014 (1 year)
Remote
  • Developed a web interface for an online learning platform that delivered different forms of content (text, online tests, interactive content, etc.).

  • Created a video player for the web that was compatible with multiple video services (YouTube, Vimeo, etc.) and had features like timestamp indexing.

  • Worked on the back-end application and database that supported the aforementioned learning platform.

  • Researched mathematical models to improve a system that could profile high school students based on their performance on online tests.

  • Wrote manuals and guidelines about best practices in interface development for web browsers.

Multiple advertising agencies - Grïngo, Doubleleft, Delicatessen
Web Developer
2009 - 2014 (5 years)
Remote
  • Developed web sites and web applications for online advertising campaigns using Flash and JavaScript.

  • Developed mobile applications using technologies like Flash, React Native, and PWA.

  • Designed and worked on a framework to speed up and simplify the creation of web sites and visual interactive interfaces.

  • Acted as a creative technologist, providing ideas and concepts for advertising campaigns.

  • Researched new technologies and algorithms that might be useful in advertising campaigns.

  • Mentored and trained interns and new developers.

Node.jsAngularJS React FlashJavaScriptCSSHTMLFront-end DjangoPythonAPIsAPI IntegrationGoogle Cloud Platform (GCP) Google Sheets Web DevelopmentExtensions
Betboo
Full-stack Engineer
2008 - 2009 (1 year)
Remote
  • Developed browser games using Adobe Flash.

  • Created and maintained back-end applications for games using Java and sockets for real-time, fast communication between browser and server.

  • Developed a virtual bingo room with multiplayer support and a real-time chat application.

  • Researched statistical processes to improve the quality of the company's games and the overall user experience.

  • Created tools to analyze the performance of the company's games and also detect and prevent frauds.

UpLexis
Software Engineer
2005 - 2007 (2 years)
Remote
  • Developed and supported applications for processing of large text databases.

  • Researched computational vision algorithms for optical character recognition using artificial neural networks.

  • Developed image processing algorithms to automatically analyze the structure of newspaper pages and printed documents.

  • Developed an indexing system for texts that allowed search queries that circumvented typos and misspellings.

  • Developed an image recognition system for image signatures.

Torch C++CHTML
Remo
Sr. Full-Stack Developer
Present (2025 years)
Remote
  • Developed and maintained the company’s web platform.

  • Architected the back-end application and its API that powers the company’s main interaction platform. Performed maintenance duties.

  • Planned and implemented a roadmap to make the company's codebase more robust and covered by tests.

Portfolio

Senior Developer - Remo
Senior Developer - Remo

Remo is an interactive virtual event platform that empowers you to recreate natural interactions in any type of gathering; from global events to remote work meetings. Designed, implemented, and maintained the codebase, API, and architecture on Remo's virtual event platform. Technologies used in the project: TypeScript, React, Node.js.

Senior Developer - Catho
Senior Developer - Catho

Catho is an online job platform that is a part of SEEK, a global leader in the online recruitment segment, with operations in Australia, China, India, and other countries. Designed and implemented full-stack solutions on a web platform for universities and college courses. Technologies used in the project: PostgreSQL, AWS Lambda, Redux, React, Node.js.

Education

Education
Bachelor's Degree in Filmmaking and Social Communication
FAAP
2000 - 2003 (3 years)
Education
Bachelor's Degree in Computer Sciences
Universidade de São Paulo
2000 - 2005 (5 years)