Mario Acosta
Software Engineer at Cash App
Old Toronto, Ontario, Canada
Summary
🤩
Rockstar🎓
Top SchoolMario Acosta is a Software Engineer with a decade of experience building backend systems, currently at Cash App in Old Toronto. His contributions to the popular cashapp/misk microservice framework focus on Hibernate enhancements—adding JSON column support, ProtoColumn handling, schema validation, and robust configuration/retry logic—demonstrating a strong grasp of database interaction and reliability patterns. He brings prior engineering experience from Square and Capital One and a foundation in computational genomics research and combinatorics from the University of Waterloo. Known for turning complex persistence requirements into pragmatic implementations, he blends rigorous academic training with hands-on production engineering.
10 years of coding experience
1 year of employment as a software developer
Glenforest Secondary SchoolBachelor of Math, Honours Computer Science; Combinatorics and Optimization, Bachelor of Math, Honours Computer Science; Combinatorics and Optimization at University of Waterloo
Spanish
Github Skills (6)
kotlin10
hibernate10
back-end-development10
json-serialization10
protobuffer9
protobuf9
Programming languages (2)
Github contributions (5)
cashapp/misk
Oct 2018 - Aug 2022
Microservice Kontainer
Role in this project:
Back-end Developer
Back-end DeveloperContributions:36 reviews, 34 commits, 38 PRs in 3 years 11 months
Contributions summary:Mario primarily contributed to the misk-hibernate module, focusing on enhancements and new features related to database interaction. They added support for JSON columns, enabling the storage of JSON data within database entities, and implemented the `ProtoColumn` feature. Other contributions included schema validation, which compares Hibernate entities against the database schema. They also addressed configuration and retry logic within the project.
dockermicroservicemicroservices
acostama/misk
Oct 2018 - Jun 2019
Contributions:50 pushes, 13 branches in 8 months
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