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Mario Agüero

@marioagero

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Senior Software Engineer and Java developer who improved API endpoint speed and built performance tests at QAT Global.

Costa Rica

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At QAT Global | Custom Software Development, I optimized API endpoints, with some improving speed by 40%, and developed and benchmarked new APIs. I also set up customer environments in AWS and automated performance tests.

As a Faculty Lecturer at LEAD University and Universidad Cenfotec, I developed Data Science programming curriculum and helped refresh courses using active methodologies. I bring experience in Java development, mentoring, and teaching, along with certifications in Java 8 and ScrumMaster.

Experience

Work history, roles, and key accomplishments

Current

Faculty Lecturer

Current

LEAD University

Jan 2018 - Present (8 years 9 months)

Developed academic programs for Data Science programming curriculum.
Helped to the whole career.
Added gamification, quick feedback and active methodologies

Current

Faculty Lecturer

Current

Universidad Cenfotec

Jan 2014 - Present (12 years 9 months)

Helped to refresh several courses like Components Design and Development or Software Design.
Used active methodologies.
Improved other areas of the career.

Senior Software Engineer

QAT Global | Custom Software Development

Dec 2022 - Aug 2026 (3 years 8 months)

Optimizing API endpoints. (some of them with a 40% speed velocity)
Setup customers and create test environment in AWS.
Develop and benchmark new APIs
Automatize performance tests

Senior Software Engineer

Tebra (Previously Kareo Health, Costa Rica)

Apr 2021 - Nov 2022 (1 year 7 months)

Created a migration process for a legacy system. Improved endpoints performance. Created new APIs. Helped to create integration tests.

Java Developer Contract

Multiple contractors

May 2018 - Mar 2021 (2 years 10 months)

Migrated 2 monolithic modules to microservices. Built the front end for a customer’s search system. Also configured their search security. Created test processes and cases. Upgraded the performance of a diagnostic/control dashboard reducing it’s loading time by 80%. Fixed running condition problems. Optimized the logs navigation and retrieval. Created new order search and detailed display for an o

Java Solr developer

Ampstek

May 2020 - Dec 2020 (7 months)

Implementing and migrating a new Enterprise Search service for the customer.
Big front end redesign. Implementing new datasources and click tracking. Also reporting of result effectiveness.

Senior Software Engin

In All Media

Aug 2019 - May 2020 (9 months)

Vubiquity STB project:
Maintenance and support of existing systems.
Development of new notification system.
Performance and run-conditions solution

Senior Software Engineer

Avantica

Apr 2018 - Jan 2019 (9 months)

Worked as Senior Software Engineer at Avantica.

Java Consultant

AIM Consultant (thru a local contractor)

May 2017 - Apr 2018 (11 months)

Created a new module for messaging in an existing infrastructure. Also added the needed testing. Migrated its data from a third-party provider to their Data Lake for their own customized analytics.

Java Consultant

AIM Consulting Group

Jun 2017 - Mar 2018 (9 months)

Worked in several projects, and gave big advice to a client related to a big transport industry in USA.

Software Engineer

Snap Technology, SRL

Oct 2015 - May 2017 (1 year 7 months)

Maintenance and development of new features for Snap software.

Software Engineer

Intel Corporation

Mar 2015 - Aug 2015 (5 months)

Test automation. Server monitoring.

Principal Software Engineer

BOSZ Digital (Later Prodigious)

Oct 2010 - Feb 2015 (4 years 4 months)

Started as Software Engineer, promotion to Senior and then to Principal Software Engineer
Top Performer Employee in 2011

Software Engineer

SBR Marketing and Consulting S.A

May 2006 - Sep 2009 (3 years 4 months)

Worked in XML data processing from several sources. First renewal of the main product back end renewal.

Assistant, Teacher, Researcher

CENFOTEC

May 2001 - May 2006 (5 years)

Assistant to Trainning Programs
Researcher for new technologies
Developed trainning programs in ASP.NET, PHP, HTML, Javascript, COM+
N-Tier Development