Julian Barrera
Senior Software Engineer at Nubank
Bogota, Colombia
Summary
👤
Senior🎓
Top SchoolJulian Barrera is a Senior Software Engineer with eight years of experience building resilient, scalable backend systems and integrations, currently working at Nubank in Bogota. He excels across the full product lifecycle, from early architectural decisions to implementation and operational improvements, with deep experience in Clojure, Kafka, Datomic, and observability tools like Grafana and Looker. Julian has led mission-critical fintech initiatives—regulatory processing, financial reporting, and delivery workflows—reducing processing times and improving SLAs through concurrent, highly available architectures. He also teaches software engineering topics, mentoring developers in cloud-native practices, APIs, and distributed systems as a tech tutor. Outside work he explores event-driven Scala systems, quantum simulations with Qiskit, and graphical Python projects on GitHub, signaling a habit of experimenting with emerging paradigms. That blend of production-grade fintech impact and broad technical curiosity makes him effective at turning complex requirements into maintainable, auditable systems.
8 years of coding experience
5 years of employment as a software developer
Ingeniería, Ingeniería de sistemas, Ingeniería, Ingeniería de sistemas at Escuela Colombiana de Ingeniería Julio Garavito
Japanese, English
Github Skills (16)
que9
java7
signal7
telegram-bot7
messenger7
telegram7
del7
kotlin7
pong6
javascript6
web-application6
android6
python5
kaios5
nodejs5
Programming languages (6)
Github contributions (5)
AriasAEnima/SaposyRanas
Aug 2018 - Mar 2021
Juego que ilustra un ejemplo de que es un algoritmo.
Contributions:4 releases, 5 PRs, 66 pushes in 2 years 7 months
algoritmopythonjuegoejemploque
Ron-404/UniWheels-Frontend
Aug 2020 - Nov 2023
Contributions:14 PRs, 14 pushes, 8 branches in 3 years 3 months
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