Mario Antollini
Senior Java Backend Engineer AI-Powered Microservices & REST API Specialist at Upwork
Argentina
Summary
👤
Senior🎓
Top SchoolMario Antollini is a Senior Java Backend Engineer with 18+ years of experience building cloud-native, AI-powered microservices and high-performance REST APIs for enterprise environments. He specializes in Spring Boot, Spring Security and distributed architectures, and has hands-on expertise integrating LLMs and automating AI-driven workflows and testing strategies. Mario has a strong background in identity management, messaging systems like Kafka, and serverless AWS components, and he contributed notable enhancements to the official Stormpath Java SDK around SSO, API key management and caching. An author of three international publications and a technical book, he combines deep implementation skills (Java 24, reactive programming) with practical DevOps and monitoring know-how. Based in Argentina, he’s known for turning complex security and scalability requirements into resilient, production-ready services that simplify client workflows.
15 years of coding experience
Computational Technician, Computational Technician at Escuela de Educacion Tecnica N2Technischen Universität DarmstadtMaster, Master at Universidad Nacional del Centro de la Provincia de Buenos Aires
Spanish, English
Stackoverflow
1,162reputation
78kreached
55answers
1question
Github Skills (17)
apidoc10
java10
javas10
api10
sdk10
rest-api10
sso-authentication10
caching9
oauth7
rest6
spring-boot6
spring-security6
spring-mvc6
spring6
facebook-access-token6
Programming languages (4)
Github contributions (5)
stormpath/stormpath-sdk-java
May 2014 - Aug 2016
Official Java SDK for the Stormpath User Management REST API
Role in this project:
Back-end Developer & API Developer
Back-end Developer & API DeveloperContributions:107 commits, 164 PRs, 528 pushes in 2 years 3 months
Contributions summary:Mario primarily contributed to enhancing the Java SDK for the Stormpath User Management REST API. Their commits involved implementing SSO/Logout support, including adding result listeners for ID Site interactions. They also refactored and improved code related to API Key management and caching mechanisms. The user's work included adding custom data functionality for directory, application, and tenant resources.
apiuser-managementsdkrestrest-api
stormpath/stormpath-spring-security
Nov 2013 - Jan 2015
Contributions:20 commits, 1 PR, 1 push in 1 year 3 months
spring-bootsecurityspringjavaspring-security
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