PrestaShop 8.2 Custom Courier Module Development

Project Title:
PrestaShop 8.2 Custom Courier Module Development & Bangla Language Fix (Search + PDF)
About the Website
Website:
Platform: PrestaShop 8.2
Store Type: Robotics & Electronics Components Shop
Languages: English and Bangla (Bengali)
I am looking for an experienced PrestaShop module developer (not a theme designer).
The project includes fixing Bangla language problems and developing a custom courier management module inside the PrestaShop admin panel.
1. Bangla Product Search Not Working
Bangla keywords exist in database but search does not return correct products.
Need:
Unicode Bangla search support
Proper indexing
Autocomplete working
Search must work for product name, description, tags and features
2. Bangla Invoice PDF Problem
Bangla text in invoice PDF shows broken characters.
Need:
Proper Bangla font rendering
Embed Bangla font (Noto Sans Bengali or SolaimanLipi)
UTF-8 compatible PDF
Replace TCPDF if nee...