Cristian Dean is a Staff Software Engineer based in São Paulo with over 15 years solving high-performance, scalability, and reliability challenges across media, government, and transportation domains. He co-founded Teech and led end-to-end development and infrastructure for one of northern Brazil’s largest news portals, demonstrating ownership from code to operations. At Globo.com he helped build Brazil’s vote platform that processed over 1.5 billion votes for Big Brother Brazil and contributed to widely used projects like Thumbor and a comments platform, improving image processing and moderation integrations. At Uber he has driven Safety and Insurance platform work deployed across 60+ countries, balancing user-facing features with platform robustness. An active open-source contributor, he has enhanced Talk (Vox Media) and Thumbor with internationalization, Redis configs, and subtle image-fidelity fixes—details that reveal a hands-on engineer who strengthens both infrastructure and user experience.
9 years of coding experience
17 years of employment as a software developer
Bachelor of Information Systems Sistemas de Informação, Bachelor of Information Systems Sistemas de Informação at Universidade Estadual do Tocantins
thumbor is an open-source photo thumbnail service by globo.com
Role in this project:
Back-end Developer
Contributions:4 reviews, 13 commits, 21 PRs in 1 year 5 months
Contributions summary:Cristian primarily focused on improving the `thumbor` service's functionality and addressing bug fixes related to image processing and configuration. Their contributions included enhancing the blur filter, fixing issues with image metadata and orientation, and correcting the behavior of the focal point calculations. In addition, they introduced the `SENTRY_ENVIRONMENT` configuration. This involved modifications to both the core logic and associated tests, ultimately leading to improved image processing accuracy and more robust error handling.
Contributions:28 commits, 30 PRs, 54 comments in 2 years 9 months
Contributions summary:Cristian contributed to the Talk project by implementing new features and fixing bugs. Their work included adding configuration options for Redis, translating the admin interface into Portuguese, and automatically redirecting users after single authentication integration. Furthermore, the user addressed issues with the Perspective API integration and added missing translations, updating the project's codebase and improving the user experience.
reactcomments-widgetjavascriptnodejsgraphql
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