Hernán Agamennoni
@hernnagamennoni
I build backend payment, banking, and SaaS platforms with Java, Spring, REST APIs, and microservices.
ArgentinaWhat I'm looking for
I'm currently building Account Closure functionality for Santander Bank at Globant within a hexagonal microservices ecosystem, using Java, Spring Boot, REST, AWS, LocalStack, and automated testing.
I've designed and maintained checkout and payment APIs for PayPal through Taller Technology, and delivered payment and banking platform features for Mercedes-Benz through Starfish using Java, Kotlin, Spring, Kubernetes, React, and Docker.
Earlier, I spent nearly eight years evolving AnswerHub's SaaS platform, building core features and REST APIs, improving performance, supporting search with Elasticsearch, Lucene, and Solr, and integrating Slack and Microsoft Teams. My background also includes technical leadership and Java delivery for Globant, IBM, Nimbuzz, EDS–HP, and Gameloft.
Experience
Work history, roles, and key accomplishments
Working on backend side as part of Account Closure functionality in a microservice ecosystem using hexagonal architecture pattern.
Sr Java Software Engineer
Starfish
Jul 2023 - Jun 2024 (11 months)
Working on Starfish team as a contractor for Mercedes-Benz client, adding new features and fixing bugs in a microservices ecosystem.
Sr Software Development Engineer
AnswerHub
Aug 2015 - Jun 2023 (7 years 10 months)
Adding new core features, REST APIs, fixing bugs, and analyzing performance issues for AnswerHub online SaaS platform.
Member of Architecture and Development team for Tarjeta Naranja account, working on validation and impact of use cases.
Java Developer
Nimbuzz
Sep 2010 - Dec 2010 (3 months)
Developed using Spring MVC framework, Hibernate, and JDBC Template.
Analytic Developer
Nimbuzz
Dec 2009 - Sep 2010 (9 months)
Analyzed data and transformed into meaningful intelligence information as a member of the BI Team.
Project Lead - Java Developer J2EE
EDS – HP Enterprise Services
Jan 2009 - Dec 2009 (11 months)
Developed on web struts framework, web services (SOAP, WSDL, XSD, Axis2), and Swing for Verizon account.
Java Developer J2EE
EDS – HP Enterprise Services
Jan 2008 - Dec 2008 (11 months)
Developed on web struts framework, web services (SOAP, WSDL, XSD, Axis2), and Swing for Verizon account.
Porting of J2ME mobile games mainly to RIM Blackberry and other devices.
Net Admin and PC Software Support
PAMI INSSJP
Jul 2006 - May 2007 (10 months)
Scholarship by Universidad Nacional del Sur, working as a Net Admin and PC software support at the site.
Freelance – DB programmer
Commercial Local Shop
Aug 2003 - Jun 2004 (10 months)
Analyzing, designing, coding, testing, and maintaining database systems.
Education
Degrees, certifications, and relevant coursework
Universidad Nacional del Sur
Assistant Teacher, Computer Science
Assistant teacher for Computer Sciences degree courses, including 'Problems Resolution and Algorithms' and 'Object Oriented Programming'.
Tech stack
Software and tools used professionally
Availability
Location
ArgentinaAuthorized to work in
Website
answerhub.comSalary expectations
Skills
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