Job Portal App Development

I'm looking for an experienced app developer to create a job portal app. The primary focus will be on job posting and searching.

Key requirements:
- User Authentication: Email and password login.
- Core Functionality: Job posting and searching
- Additional Features:
- Resume upload
- Job alerts/notifications
- Advanced search filters

Ideal Skills and Experience:
- Proficiency in mobile app development
- Experience with user authentication systems
- Knowledge of job portal functionalities
- Ability to implement advanced search filters and notification systems

Please provide samples of similar work done.