Guilherme Souza
Head Of Infrastructure at Ounass
Dubai, Dubai, United Arab Emirates
Summary
🤩
Rockstar🎓
Top SchoolGuilherme Souza is a seasoned infrastructure and DevOps leader with 13 years of experience building and scaling cloud-native platforms, currently serving as Head of Infrastructure in Dubai. He has a proven track record transforming ops teams into product-oriented platform organizations—cutting costs by half, reducing MTTR, and enabling safe self-service across business units. Hands-on across Python/Django, Ruby/Rails, MySQL/MongoDB and Kubernetes, he combines deep backend engineering with SRE practices and observability-driven reliability. Guilherme’s open-source contributions include improving GIF-to-video processing in the widely used thumbor image service, reflecting a pragmatic focus on performance and media optimization. He’s repeatedly delivered major migrations and capacity projects—everything from large-scale logging and Kafka improvements to successful PaaS and Kubernetes migrations—while keeping operational overhead and latency down. Colleagues describe him as a builder who prefers measurable outcomes and continuous improvement over theory.
13 years of coding experience
16 years of employment as a software developer
IT IT design, IT IT design at ORTTechnical license Systems analysis and development, Technical license Systems analysis and development at Centro Universitário da Cidade
English, Spanish
Github Skills (5)
video-encoding10
ffmpeg10
python10
image-optimization9
tornado8
Programming languages (14)
Github contributions (5)
thumbor/thumbor
Jan 2013 - Dec 2022
thumbor is an open-source photo thumbnail service by globo.com
Role in this project:
Back-end Developer
Back-end DeveloperContributions:41 releases, 21 reviews, 269 commits in 10 years
Contributions summary:Guilherme primarily contributed to adding and improving GIFV (GIF to MP4/WebM) support within the thumbor image service. They introduced the necessary configuration options and optimized the conversion process using FFmpeg, including adjustments for better MP4 and WebM compatibility. The user also implemented and tested content-type handling for both MP4 and WebM video formats generated by the GIFV filter. This work enhanced thumbor's ability to process animated GIFs and offer optimized video formats.
imagethumbnailglobothumborphoto
thumbor/thumbor-aws
Apr 2022 - Dec 2022
thumbor-aws is a set of modern thumbor (>7.0.0) AWS Extensions (Storages and Result Storages).
Contributions:7 releases, 131 reviews, 51 commits in 8 months
amazon-web-servicesstoragesextensionsthumboraws
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