Summary
Porin Ćustić is a freelance software engineer from Zagreb with a decade of experience building backend systems and architecting scalable, distributed applications. He specializes in Python-based backends (Flask, Django, FastAPI) and has migrated monoliths to microservices, worked with high-throughput data platforms, and designed backend architectures for healthcare and media products. His work has processed millions of files and billions of records daily and includes a FastAPI project showcased to world leaders, as well as email recommender and AI tooling for a medical education platform. With a Master’s in Mathematics and Computer Science and a long-standing interest in algorithms and theoretical CS, he combines rigorous problem-solving with practical production engineering. He often contributes as a mentor on teams and enjoys exploring new languages and technologies beyond his Python comfort zone.
10 years of coding experience
5 years of employment as a software developer
Master’s Degree, Mathematics and Computer Science, Master’s Degree, Mathematics and Computer Science at University of Zagreb / Sveučilište u Zagrebu
Summer school - Fractals (mathematics), Summer school - Fractals (mathematics) at LjetnaŠkolaPete 2011
Course at Faculty of Electrical Engineering and Computing (FER) lead by several IOI medalists and participants in national competitions. Course covered topics that are commonly found in programming competitions such as: binary search, advanced data structures, dynamic programming, graphs etc.
Finished 3rd (out of more than 50 enrolled students) in final exam/competition., Course at Faculty of Electrical Engineering and Computing (FER) lead by several IOI medalists and participants in national competitions. Course covered topics that are commonly found in programming competitions such as: binary search, advanced data structures, dynamic programming, graphs etc.
Finished 3rd (out of more than 50 enrolled students) in final exam/competition. at Competitive Programming (Natjecateljsko programiranje)
Summer school - Mathematics and Statistics, Summer school - Mathematics and Statistics at LjetnaŠkolaPete 2012
Croatian, English