Profilbillede af chesslover
Flag for Philippines Quezon City, Philippines
Medlem siden 7. juni 2017
4 Anbefalinger


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20 years full-stack experience with Java, Go, .NET, Groovy, & Kotlin. Skills: Core: Microservices Architecture, Java EE, Go (gRPC, protobuf), .NET Core/C#, Spring Boot, JHipster, CUBA Platform, Groovy/Grails, Kotlin, Docker/Docker Compose, Maven/Gradle, Angular, Polymer, React, Redux Blockchains: Ardor/Nxt, Stellar, Bitcoin Core, Ethereum (Solidity, web3j), IPFS, Hashgraph, Hyperledger Cloud: AWS, Azure, Heroku UI: JSP, GSP, Razor Pages, Vaadin, Thymeleaf, FreeMarker, JavaFX, ES6+, TypeScript, JSX, JQuery DB: Apache Cassandra, Elasticsearch, Liquibase, Oracle, Postgres, MySQL, IBM DB2, SQL Server, MongoDB, OpenDJ, OpenLDAP, AD ORM/JPA: Hibernate, EF Core, MyBatis, Grails GORM, EclipseLink TDD: JUnit 5, TestNG, Mockito, Spock, JProfiler, xUnit, testify, go-sqlmock Middleware: Apache Kafka, RabbitMQ, Oracle Service Bus (OSB), Oracle WebLogic, JBoss/WildFly, Tomcat, Jetty Management: Jira/Kanban, Scrum, Redmine, Trello, GitHub/GitLab/Bitbucket, Mercurial Misc: Scala, Meteor
$30 USD/hr
6 anmeldelser
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Nylige bedømmelser


Java/Go E-commerce and Microservices Developer

May 2018 - Dec 2018 (7 months)

Multi-tenant, multi-channel e-commerce ERP+CRM system in Java EE (EJB3+) with Vaadin frontend and microservices in Go. Database in PostgreSQL and hosted in JBoss/WildFly.

Full-stack Java E-commerce Architect/Developer

Jan 2017 - Jun 2017 (5 months)

Multi-channel seller integration (eBay, Amazon, etc.) software-as-a-service (SaaS) on JHipster, Spring Microservices, JHipster Registry, Angular 2, Bootstrap, Metronic admin theme, Webpack, SASS, Gradle, Apache Cassandra, Docker, Docker Compose, Docker Swarm, Akka clusters, RancherOS, and Amazon Web Services.

Java Contributor

Dec 2015 - Feb 2017 (1 year)

* Lead SCIM (System for Cross-domain Identity Management) Developer. * Shibboleth IdP upgrade from v2 to v3 - upgraded Gluu’s IdP to the latest v3 version with backward compatibility to v2. * Gluu Server migration from v0.1 to v2.4.2 - Developed the migration strategy and helped the client (Toshiba) upgrade libraries and create use case unit tests in OpenID Connect and SCIM. Wrote the Groovy script that migrated the OpenDJ LDAP delta schema and data.


Bachelor of Science in Electronics and Communications Engineering

1993 - 1998 (5 years)


Certified Electronics and Communications Engineer (1998)

Professional Regulation Commission, Republic of the Philippines

Board passer, November 1998 Licensure Examination


Huawei SDP/SAG Training Manual (2012)

Manual I wrote for the two-week training I also conducted on Huawei's Service Delivery Platform (SDP) / Service Access Gateway (SAG), a Java and C++ OSGi-based framework implementing GSM (Global System for Mobile) Parlay X / OneAPI, for the biggest telco provider in the Philippines.


  • US English Level 1


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