Nicolás Osorio
Freelance Full Stack Developer at Identicum
Barcelona, Catalonia, Argentina
Summary
👤
Senior🎓
Top SchoolNicolás Osorio is a Freelance Full Stack Developer and Technical Lead with nine years of experience building scalable, microservices-based systems across insurance, finance, and e-commerce. He has driven measurable business outcomes—most notably orchestrating legacy platform integrations that produced a 200% sales increase—while architecting secure IAM solutions and custom authentication flows for enterprise clients. Comfortable across Java (Spring Boot), Node.js, Scala, and React, he blends hands-on coding with product ownership, CI/CD automation, and team mentorship. An award-winning developer (Diamond Prize, Redis Hackathon 2021), he favors pragmatic, event-driven architectures and has deep operational familiarity with Redis, Kafka, Docker, and AWS. Based in Barcelona with roots in Argentina, he pairs consulting-level client collaboration with a track record of modernizing legacy apps and improving developer practices.
9 years of coding experience
7 years of employment as a software developer
Java Architect, Java Architect at EducacionITAssociate Degree in Computer Programming, Associate Degree in Computer Programming at Universidad Tecnológica Nacional
English
Github Skills (89)
saml10
identity10
authentication10
security10
dyndns10
openid-connect10
mern10
authorization10
access-management10
keycloak10
identity-management10
dotnet9
powerdns9
tailwind9
react9
Programming languages (12)
Github contributions (5)
osorionicolas/delen
Jul 2020 - Mar 2025
Sync files and text to other computers or mobiles over the same network
Contributions:13 PRs, 135 pushes, 8 branches in 4 years 8 months
sync-filessynccomputers
osorionicolas/upptime
Feb 2022 - Apr 2023
Contributions:1315 pushes, 2 branches, 11 comments in 1 year 2 months
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