Guilherme Ruiz
Senior Software Engineer at hipages
Sydney, New South Wales, Australia
Summary
🤩
Rockstar🎓
Top SchoolGuilherme Ruiz is a Senior Software Engineer with 12 years of experience building and modernizing large-scale, mission-critical systems across fintech, marketplaces and logistics. He specializes in microservices, observability, and both object-oriented and functional paradigms, having applied Hexagonal Architecture and functional Clojure at Nubank and led microservices redesigns at hipages. Comfortable across backend, full-stack and mobile stacks, he has production experience with Kafka, Temporal, Quarkus, NestJS and multiple cloud platforms (AWS, GCP). An active open-source contributor, he improved Kafka message serialization and memory behavior in the popular NestJS project, demonstrating attention to performance and testing. Based in Sydney and self-taught by inclination, he pairs pragmatic engineering with curiosity, often moving projects from proof-of-concept to reliable, scalable production services. Colleagues describe him as a creative problem-solver who gravitates toward high-ownership, high-impact challenges.
11 years of coding experience
9 years of employment as a software developer
Systems Analysis and Development, Systems Analysis and Development at São Paulo State Faculty of Technology
English, Portuguese
Stackoverflow
186reputation
14kreached
2answers
4questions
Github Skills (21)
javascript10
microservices-application10
kafka10
typescript10
nestjs10
typescript-types10
nodejs10
typescripts10
microservices10
application-framework9
app-framework9
web-framework9
websocket8
testing8
database6
Programming languages (8)
Github contributions (5)
nestjs/nest
Dec 2021 - Feb 2022
A progressive Node.js framework for building efficient, scalable, and enterprise-grade server-side applications with TypeScript/JavaScript 🚀
Role in this project:
Backend Developer
Backend DeveloperContributions:11 reviews, 11 commits, 2 PRs in 2 months
Contributions summary:Guilherme primarily contributed to the microservices architecture within the NestJS framework. Their work involved implementing and refining Kafka-based message serialization, deserialization, and handling. They addressed memory leaks, removed unnecessary code, and added enhancements to improve performance and efficiency within the microservices communication layer, specifically concerning the serialization and deserialization of messages in a Kafka environment. They also focused on the testing and validation of the changes made, including the implementation of the tests.
es8server-sideon-toptypescript-frameworkcnode
konsento/konsento
Dec 2015 - Apr 2017
Contributions:229 commits in 1 year 4 months
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