Jessie Cosare
Remote Java Senior Developer - Full Stack at Freelance Development
Talisay, Cebu, Philippines
Summary
👤
Senior🎓
Top SchoolJessie Cosare is a remote Senior Java Full Stack Developer from Cebu with 11+ years building robust, enterprise-grade systems using Spring, Play, Hibernate and AngularJS across web, mobile (Ionic), desktop (Electron/NWJS) and TV platforms. He specializes in ETL and event-driven architectures (Spring Batch/Integration), custom Excel reporting with Apache POI, and has automated legacy Java-to-Spring Boot migrations that generate high unit-test coverage. A pragmatic full-stack engineer who has led small teams, Jessie blends deep backend expertise with frontend delivery and production VPS operations, enabling end-to-end ownership from design to deployment. He contributes to open-source Java projects (notably backend work on a HAPI FHIR JPA server starter), and explores ML with Weka and rule engines like JBoss Drools—showing a curiosity for applied AI and automation beyond his core Java stack.
11 years of coding experience
8 years of employment as a software developer
Master of Business Administration (MBA), Major in Financial Management, Master of Business Administration (MBA), Major in Financial Management at University of San CarlosBachelor of Science in Computer Science, Software Engineering with Concentration on Java (J2EE) Web Development - IBM Integration Courses, Bachelor of Science in Computer Science, Software Engineering with Concentration on Java (J2EE) Web Development - IBM Integration Courses at University of San Jose - Recoletos
Github Skills (16)
javas10
api-rest10
rest-api10
api-design10
java10
spring-boot10
restful-api10
mysql9
jetty8
cicd7
cd7
derby7
websocket6
websockets-client6
websocket-client6
Programming languages (2)
Github contributions (5)
hapifhir/hapi-fhir-jpaserver-starter
Feb 2019 - Mar 2019
Role in this project:
Back-end Developer
Back-end DeveloperContributions:9 commits, 2 PRs, 5 comments in 24 days
Contributions summary:Jessie primarily focused on updating and maintaining the project's backend infrastructure. They addressed path resolution issues, updated dependencies to the R4 FHIR version, and configured data sources (MySQL). Additionally, the user implemented CORS configurations for the restful server and addressed UI pagination issues. They also updated subscription configurations within the server and resolved merge conflicts.
jjcosare/scalajs-spa-tutorial
Oct 2017 - Jun 2019
Tutorial for creating a simple Single Page Application in ScalaJS
Contributions:11 commits, 12 pushes in 1 year 8 months
single-page-applicationscalajsscalasingle-pagescala-js
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