Guilherme Rezende
Principal Engineer at GopherCon Latam
Goiás, Brazil
Summary
🤩
Rockstar🎓
Top SchoolGuilherme Rezende is a Principal Engineer with 15 years of experience building high-scale fintech and banking platforms, currently driving architecture and delivery at QuintoAndar after senior leadership roles at Stone. He is a pragmatic Go backend specialist and DevOps advocate with deep Linux, cloud and Kubernetes expertise, and a history of bootstrapping engineering teams from zero to dozens of engineers. An active open-source contributor, he has made meaningful technical changes to tsuru (a widely used Go PaaS) and improved stability and OCR features in docconv, showing hands-on impact across API, provisioning and testing layers. He blends product-minded engineering with financial domain knowledge—MBA studies in investment and banking complement his technical background in ledger, payments and treasury systems. A long-time organizer and advisor for GopherCon Latam, he also explores blockchain, Web3 and metaverse technologies, reflecting a curiosity for emerging distributed systems beyond his core fintech work.
15 years of coding experience
20 years of employment as a software developer
Master of Business Administration - MBA Economia Investimentos e Banking , Master of Business Administration - MBA Economia Investimentos e Banking at MBA USP/EsalqBachelor of Science (BS) Computer Science, Bachelor of Science (BS) Computer Science at Pontifícia Universidade Católica de GoiásSpecial Student at Master's degree Computer Science Parallel Computing, Special Student at Master's degree Computer Science Parallel Computing at Universidade Federal de Goiás
English, Portuguese
Github Skills (16)
ocr10
pdf10
container10
docker10
go10
api10
ocra10
apidoc10
dockers10
image-processing9
devops9
conversions8
html7
docx6
rtf5
Programming languages (11)
Github contributions (5)
tsuru/tsuru
Oct 2016 - Oct 2019
Open source and extensible Platform as a Service (PaaS).
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:172 commits, 98 PRs, 93 pushes in 3 years 1 month
Contributions summary:Guilherme implemented the "isolated" flag for the `app-run` command, allowing for isolated execution of commands within application units. This involved code changes in the `api/app_test.go`, `app/app_test.go`, `provision/docker/provisioner_test.go`, `app/app.go`, `provision/provisiontest/fake_provisioner.go`, and `provision/provision.go` files, indicating changes in the API, application logic, and Docker provisioning infrastructure. The changes also include restructuring of the `app.Run` method and related tests demonstrating the implementation of the feature.
containerspaasdevopsdockeras-a-service
sajari/docconv
Nov 2015 - Dec 2015
Converts PDF, DOC, DOCX, XML, HTML, RTF, etc to plain text
Role in this project:Backend Developer
Backend DeveloperContributions:5 commits, 2 PRs, 2 comments in 13 days
Contributions summary:Guilherme primarily focused on improving the functionality and stability of the `docconv` library. Their contributions include fixing a goose error, adding the option to specify languages for image OCR, and addressing build issues. Furthermore, the user implemented a mutex to manage language settings in image OCR and fixed multiple return values for the goose library function.
pdfxmldocxrtf-filesplain
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