Marcus Da Coregio
Staff Software Engineer at Bitso
Santa Catarina, Brazil
Summary
🤩
Rockstar🎓
Top SchoolMarcus Da Coregio is a Staff Software Engineer with 10 years of experience building secure, low-latency Java backends and identity/security features for high-profile frameworks and fintech platforms. He has been a core contributor and leader on Spring Security and Spring Session work, fixing complex test and configuration issues in widely used Spring projects and implementing OAuth and SAML features to harden authentication flows. Marcus pairs hands-on systems work—Kafka, GraalVM native images, Kubernetes, and CI/CD—with operational improvements that reduced deployment time and memory footprints in production. He has led teams delivering microservices at scale for financial customers and social platforms, and holds an MBA in Cybersecurity/DevSecOps that underpins his focus on threat-resistant design. Based in Santa Catarina, Brazil, Marcus combines open-source stewardship with measurable impact in production systems and an appetite for digging into tricky test and dependency problems others shy away from.
10 years of coding experience
8 years of employment as a software developer
Fédération Internationale de l'Art PhotographiqueBachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Universidade do Sul de Santa Catarina
English
Stackoverflow
5,443reputation
390kreached
168answers
3questions
jwt
top-5%
spring
top-5%
spring-security
top-1%
java
top-5%
spring-boot
top-1%
Github Skills (29)
user-authentication10
authentication10
spring-security10
java10
javas10
junit10
spring-boot10
access-control10
gradlew10
gradle10
testing9
dependency-management9
spring9
jwt9
maven8
Programming languages (7)
Github contributions (5)
spring-projects/spring-security-samples
Jul 2021 - Dec 2022
Role in this project:
Backend Developer
Backend DeveloperContributions:110 commits, 96 PRs, 255 pushes in 1 year 5 months
Contributions summary:Marcus primarily contributed to the implementation and setup of various Spring Security XML configuration samples. They added different sample projects including "Hello Spring Security Xml Config", "PreAuth Xml sample project", and "ACL Contacts XML sample". The changes involve the creation of configuration files, the addition of Gradle wrapper files for build management, and the implementation of security features using XML configuration, with the main focus on user authentication and access control.
spring-projects/spring-session
Jul 2022 - Jan 2023
Spring Session
Role in this project:Backend Developer
Backend DeveloperContributions:16 releases, 3 reviews, 16 commits in 6 months
Contributions summary:Marcus's commits primarily focus on fixing test failures in the `spring-session` project. These fixes involved addressing issues related to configuration and dependencies in various modules, including `spring-session-jdbc`, `spring-session-hazelcast`, and `spring-session-data-redis`. The contributions involved modifying test configurations and debugging to ensure the tests were passing, resolving build issues, and correcting exception handling.
spring-bootspring-frameworkspring-sessionspringjava
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