Stealth Windows Remote Access Software

I need a custom-built solution that lets me reach any company-owned Windows laptop or desktop—even when the machine is off-site on a home or public network—and view or take control of the screen without the user seeing a tray icon, task-bar entry, pop-up, or other visual cue... (Budget: ₹12500 - ₹37500 INR, Jobs: C# Programming, C++ Programming, Desktop Application, Encryption, Network Security, Rust, Software Development, Web Development)