Multi-Language Windows Tool Development

I need a single software tool built for Windows that brings together modules written in C#, Java, JavaScript (with Node.js), and Python. Each language already plays a specific role in my current workflow, but everything now lives in separate scripts... (Budget: $250 - $750 USD, Jobs: Backend Development, C# Programming, C++ Programming, Discord, Documentation, Frontend Development, JavaScript, Node.js, Python, Software Development)