Java JSP Apache VTL Enhancement

I need a skilled developer to fix bugs and modify an existing Java JSP Apache VTL application.

Requirements:
- Fix existing bugs
- Add data visualization features, specifically tables and grids

Ideal Skills:
- Proficient in Java, JSP, and Apache VTL
- Strong problem-solving skills
- Experience with data visualization, especially in tables and grids

Please provide examples of similar work done.