Mario Ollino
Head Of Engineering at Justo
Viña del Mar, Valparaiso Region, Chile
Summary
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Senior🎓
Top SchoolMario Ollino is a Head of Engineering and seasoned software leader based in Viña del Mar with eight years of experience building high-throughput, finance-focused backend systems. He has driven large-scale payout and billing platforms that process hundreds of thousands of payments and millions of dollars, combining strong database design with event-driven architectures (TypeScript, MongoDB, Kafka, Redis, Terraform). Known for turning “works on my machine” into production-grade, scalable solutions, he led the standardization of asynchronous report generation and centralized ERP integrations that streamlined company finances. Mario pairs hands-on engineering with cross-functional communication—his early TA and research roles sharpened his ability to explain complex technical trade-offs to nontechnical stakeholders. He excels at optimizing service performance and operational reliability while mentoring teams through rapid platform evolution.
8 years of coding experience
7 years of employment as a software developer
Magister en Ingeniería Informática, 7.0/7.0, Magister en Ingeniería Informática, 7.0/7.0 at Pontificia Universidad Católica de Valparaíso
Stackoverflow
65reputation
2kreached
0answers
2questions
Github Skills (8)
server-side9
nodejs9
graphql9
elasticsearch-dsl6
elasticsearch6
label6
kivy6
python6
Programming languages (5)
Github contributions (5)
mariodorochesi/Ayudantia
Apr 2018 - Sep 2018
Contributions:47 pushes, 1 branch in 5 months
mariodorochesi/betelgeuse
Apr 2020 - Oct 2020
Contributions:12 pushes, 1 branch in 6 months
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