Unity Car Game Feature Merge

I need a Unity developer with strong C# skills to merge features from one car game into another. Both games are ready-made from the Unity Asset Store. The goal is to integrate specific features from Game A into Game B, ensuring everything works smoothly without errors.

Requirements:

-Experience with Asset Store projects
-Able to merge features without breaking the project
-Fix any bugs or issues that arise
- Proficiency in Unity and C#.
- Strong background in game graphics and visual effects.
- Experience with asset integration and modification.
- Ability to work with existing codebases and implement changes seamlessly.

Please provide examples of similar work done.