Code Optimization for Java, Scala & Spark

I'm seeking a seasoned coder with extensive knowledge in Java, Scala, and Spark to enhance the maintainability of my existing codebase.

Ideal Skills:
- Proficient in Java, Scala, Spark and Angular Material, MS SQL
- Proven experience in code optimization
- Strong understanding of code maintainability principles

Main Tasks:
- Optimize existing code to improve its maintainability.