Plugin Writer needed

i am looking for a Audacity Expert who can write me a Nyquist Plugin Skript (*.ny) that do following:
-Time Warp (without a Pitch Shift) that

  • periodically repeats
  • with and triangular LFO
  • Frequency of 0.4381 Hz
  • deflection of ±4000 Samples
  • adjustable begin

This was resolved.
Koz