Carlos Oliveira is a founder and seasoned technology leader with 11+ years building high-impact, revenue-driving platforms across e-commerce, gaming, and media. He blends hands-on engineering (from Java and Ruby to cloud-native Golang/NodeJS and AI agents) with strategic product and cost-efficiency wins—most notably driving major infrastructure and budget savings and supporting NZN’s acquisition. At Mosaico he led product and architecture transformations that contributed to record GMV and a headline IPO, and at Wildlife he scaled Tennis Clash while cutting infrastructure costs by over 60% year-over-year. Comfortable both leading executive strategy and rolling up his sleeves, he designs AI-first automation and content intelligence at his current venture, Betrend. An active open-source contributor, he refactored and improved ngMask (a lightweight Angular mask library) adding optional fields and test coverage. Based in Rio de Janeiro, he pairs a pragmatic engineering mindset with a people-first leadership style focused on forming leaders and enjoying the iterative journey.
11 years of coding experience
20 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at Federal University of Rio de Janeiro
Best Angular mask alternative! No jQuery, pure JS. About ~6kb!
Role in this project:
Full-stack Developer
Contributions:86 commits, 10 PRs, 30 pushes in 1 year 1 month
Contributions summary:Carlos's contributions center around refactoring and enhancing the ngMask library. They implemented core functionality, including mask refactoring to support optional fields. The user also added tests using karma, and improved the test coverage. Furthermore, they addressed an issue related to async loading of data, which was preventing the mask from displaying correctly.
Contributions:1 release, 35 pushes, 15 tags in 1 year 9 months
headlessdistributed-crawlerchromecrawlingcrawler
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.