Company Experience 12

📌 Name of Company: EFRON CONSULTING

💼 Role: Technical Lead Team / Senior Java Developer

📜 Duration: August 2014 – December 2014 (6 Months)

📞 Reference Contact:

🔹 Edwin Germán Ortiz Ortiz (Consultancy and SW Development Director)
📧 eortiz@efronconsulting.com | 📞 +57 (1) 311 2283699
🔹 LinkedIn: 🔗 Edwin Germán Ortiz Ortiz
🔹 Company Website: EFRON Consulting

🏢 Client Name: Ministerio de Trabajo - Colombia

📌 Project: ImTegra (Submodule Occupational Risk Integrated Information System)

🛠️ Technologies & Tools:

🔹 Oracle SQL Developer / Database 11g
🔹 NetBeans 7.x
🔹 Java EE (JPA, EJB, PrimeFaces, Maven)
🔹 SCRUM with JIRA (for task management and tracking)
🔹 GIT (SourceTree, Bitbucket)
🔹 Bonita BPM (Business Process Management Integration)
🔹 ParIterator Library (Parallel processing for large data sets)

⚙️ Key Responsibilities & Achievements:

✅ Technical Leadership & Agile Management:
🔹 Led a team of 5-10 engineers in developing the Occupational Risk Integrated Information System for the Colombian Ministry of Labour.
🔹 Managed task tracking and coordination with developers using SCRUM in JIRA.
🔹 Conducted team training in Java EE, JPA, Database Management, and GIT.
🔹 Organized meetings with stakeholders (Architecture, Project Management, Functional Leadership, Development Team).

✅ Java SE & Java EE Development:
🔹 Developed ImtegraCreacionDatosPrueba, a Java SE project that generated test data for 12 critical files (e.g., Work Accidents, Affiliates, Contributions, Rehabilitation).
🔹 Optimized large-scale data generation, achieving 1 million records in 2 minutes using parallel programming with ParIterator.
🔹 Developed ImtegracionCargueDatos, a Java SE project for file validation and data upload.
🔹 Implemented multiple Java EE submodules, including:

• Companies & Affiliates
• Eventos ATEL (Workplace Accidents & Events)
• Promotion & Prevention Indicators
• Reporting & Network Committee

✅ Enterprise Integration & BPM:
🔹 Integrated Bonita BPM with the Network Development Committees, creating custom Java components for BPM workflows.
🔹 Configured domain values and database models in Oracle Database 11g.

✅ Software Architecture & Best Practices:
🔹 Implemented JPA, EJB, PrimeFaces, Maven to improve scalability and maintainability.
🔹 Ensured proper requirement verification, aligning formal specifications with execution.

🎯 Lessons Learned & Skills Acquired:

✔️ Effective Agile Management with SCRUM & JIRA – Improved team collaboration and risk management.
✔️ Parallel Processing for Large Data Sets – Used ParIterator to optimize test data generation.
✔️ Enterprise Java Development with JPA, EJB, and PrimeFaces – Built scalable and efficient web applications.
✔️ Business Process Management (BPM) Integration – Integrated Bonita BPM for workflow automation.
✔️ Version Control & Team Collaboration with GIT – Hands-on experience using Bitbucket & SourceTree.
✔️ Requirement Validation & Risk Management – Ensured proper alignment between documented and executed tasks.

📌 Analytical Table for EFRON CONSULTING

💻 Technologies & Tools Used