Freelance Job Portal Integration

I need a dedicated freelance job portal built on my existing website, https://digitalparthvlog.com. The portal should feature job listings and application tracking.

Key requirements include:
- Employers should be able to post jobs directly.
- Implement application tracking for submitted freelance job applications.

Ideal skills and experience:
- Experience in web development, especially with job portals.
- Familiarity with application tracking systems.
- Ability to integrate new features into existing websites without disruption.

Please provide examples of similar work done.