Guilherme Casimiro is a Senior Software Engineer based in São Paulo with 11 years of experience building scalable backend systems for the marketing and advertising industry. He blends practical microservices and cloud expertise (Ruby on Rails, NestJS, Spring Boot, AWS) with an academic foundation in Artificial Intelligence from Universidade de São Paulo. At VidMob and previously as Software Architect at Chiligum, he led efforts to replace proprietary image-processing dependencies with Linux-friendly open-source pipelines and to split a monolithic API into domain-focused microservices. He has hands-on experience integrating creative automation with marketing platforms (Salesforce Marketing Cloud, Facebook Marketing API) and implementing multitenant SSO using AWS Cognito. Known for reducing costs and improving performance through pragmatic architecture choices, he pairs research-backed thinking with product-minded execution.
Contributions:4 PRs, 32 pushes, 6 branches in 1 year 8 months
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Guilherme Casimiro - Senior Software Engineer at VidMob