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EXPLORE
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$10 USD / Hour
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Venezuela (7:02 AM)
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Joined on August 14, 2007
$10 USD / Hour
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Certificated eBusiness Java Developer in IBM. Software Engineer with over 10 years experience in TI, including Data Engineer, Backend development and Consultancy and some experience as Scrum Master, Product Owner. * Experience in, but not limited to, Domain Architectures, Hexagonal architecture, ports and adapters architecture, Clear Code, Solid principles, Integrations, Test-Driven Domain-Driven Behavioral-Driven * Development, Backend Development, Java, Kotlin, Python, Spring, Django, Flask, Microservices, Workflow, * Testing, Loggs, Log4J, JUnit, Cucumber, Mockito, Unit Test, Automation Test, RPA, BPA, BAW, Business Automation Workflow, Case Management, BPM, Oracle Workflow, UML, BPMN, TestNG, Spring boot, Spring MVC, Spring Data, Spring Cloud, Spring Bach, Spring WebFlux, Struts, JPA, Hibernate, OMR, RDBMS, Oracle, PL/SQL, Postgresql, MySQL, NoSQL, Elasticsearch, Kibana Grafana, MongoDB, Redis, GraphQL.
Verifications
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Experience
Software Engineer
Feb, 2023 - Dec, 2025
•
2 years, 10 months
EasyGo
Feb, 2023 - Dec, 2025
•
2 years, 10 months
Activities as a Software Engineer and Data Engineer. Developing comprehensive services in creating scalable and robust backend applications focus on microservice. My expertise includes backend development, data integration, data modeling, BI ETL data engineering, with a focus on Java, Kotlin, Spring Boot, Python, C# coaching juniors and collaborating with data modeling for architect teams. aModernize legacy systems.
North Carolina (Remote), United States
Feb, 2023 - Dec, 2025
•
2 years, 10 months
Back End Developer
Mar, 2021 - Apr, 2022
•
1 year, 1 month
Meta
Mar, 2021 - Apr, 2022
•
1 year, 1 month
Development and fixing bugs of a CRM healthcare software in the midst of the global pandemic. Complete German gov. requirements regarding healthcare software in record time. Implement new functions for a healthcare software in Java/Oracle. Actively applying methodologies and patterns such as Scrum, Solid, Testing, Loggs, Microservice, ServiceBus, Domain and Hexagonal Architectures using Java, Oracle PL/SQL, Microservice, Spring Boot, Docker, Kafka, Clean Code. Restful, TDD Junit, Cloud, AWS.
Remote, Brazil
Mar, 2021 - Apr, 2022
•
1 year, 1 month
System Analyst
Oct, 2018 - Jul, 2019
•
9 months
Accenture
Oct, 2018 - Jul, 2019
•
9 months
Collaborate with architecture team to solve problems and with financial and economics functional teams to test results. Expand the TDD philosophy and best practice to de teams. Develop Unitary and Automated Testing in Java and SoapUI. Analysis BI pipelines and BI service. Development of ETL pipelines, Kanban Backlogs Requirements implemented in Java Microservice with Cucumber through Testing.
Rio Grande Do Sul, Brazil
Oct, 2018 - Jul, 2019
•
9 months
Education
Master\'s Degree in Information Technology Management
2007 - 2013
•
6 years
Venezuela
2007 - 2013
•
6 years
Universidad 'Alejandro de Humboldt'
2000 - 2005
•
5 years
Informatic Engineer
Venezuela
2000 - 2005
•
5 years
Qualifications
IBM - ACE
2005
IBM
Advanced career education. business application developer. Knowlages in Java, J2EE, SQL, DB2 UDB, Postgresql, Python, Perl, C#, C, C++,
2005
Publications
Some of the most used and most common design patterns.
2018
ooleon.blogspot.com
Here’s a list of the most used and most common design patterns, categorized by their type and popularity in software development. Example of code in Java, C#. https://ooleon.blogspot.com/2018/04/some-of-most-used-and-most-common.html
2018
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