Full stack Researcher Java 📅 Mar 2015 to Aug 2017

🌲 Project Treemap

Unavailable due to research environment constraints.

🧱 Tech Stack

Architecture: Service-Oriented Architecture (SOA)
Build Tools: Ant, Eclipse IDE
Database: Firebird, MySQL
Documentation: Internal Technical Guides, UML Models
Environment: Windows,Debian Linux, VirtualBox
Frameworks: Apache Struts, FrameMK, JUnit
Integration: REST, SOAP, WSDL
Languages: CSS, HTML, Java, JSP, SQL, XML
Modeling: UML (Use Case, Class, Package, Activity Diagrams)
Testing: JUnit (Unit and Persistence Layer Tests)
Version Control: Manual dependency management, SVN
Web Services: REST APIs, SOAP/WSDL for ERP Integration

🌟 STAR Cases

STAR Case - Fragmented Research Environment

Situation

The framework ran on a legacy Java Struts architecture with complex dependencies, Firebird databases, and distributed tools. Each contributor manually configured environments by himself, resulting in version drift, failed builds, and long onboarding times.

Task

Design a reproducible environment that unified all dependencies, databases, tools, JUnit test automation, and SOA integration workflows across all machines.

Action

Packaged the full research stack into a virtual machine image containing Java SDK, Apache Struts, Ant, JUnit, Firebird, and SVN integration. Embedded startup scripts to initialize the database, compile the framework, and deploy local web services. Consolidated all UML diagrams, documents, and guides inside the VM for self-contained reproducibility.

Results

Reduced setup time: full onboarding decreased from weeks to one hour.
Standardized research execution: all contributors operated within a consistent and controlled environment.
Unified dependencies and tooling: all components integrated into a single virtual machine image.
Preserved research continuity: versioned VM snapshots and SVN references maintained long-term environment parity.