Mifire Desfire EV3 firmware

I am looking for a firmware developer to create advanced card functionality for the Mifire Desfire EV3. The ideal candidate should have experience in developing firmware for smart cards and should be able to implement advanced features.

Requirements:
- Develop advanced card functionality for the Mifire Desfire EV3
- Ensure compatibility with specific software that I have in mind
- Complete the project within 1-3 months

Skills and Experience:
- Strong background in firmware development for smart cards
- Knowledge of Mifire Desfire EV3
- Experience with developing advanced card functionality
- Ability to work within a specified timeline