Boost new acquisitions using ads and other status update features on Playstore / facebook / instagram / whatsapp and google and improve App Rankings

I'm seeking a digital marketing expert based in India to enhance the visibility and ranking of my two mobile applications: loan provider (DEEESHA) and a job portal (FINPLOY). The primary focus will be advertising on the Playstore / Facebook / Instagram / Google, with the goal of increasing new acquisitions .

You need to be expert in use ad functions and status update features on playstore/ facebook / whatsapp / instagram / google

Key Responsibilities:
- Strategically placing ads on the Playstore, Facebook /Instagram and Google
- Utilizing effective digital marketing techniques to boost app rankings / new acquisitions

Ideal Skills:
- Extensive experience with Playstore / facebook / instagram/ google advertising
- Proven track record in improving app rankings
- Proficiency in digital marketing strategies

So far, I've only updated the apps and fixed bugs, but I need a professional who can implement a more comprehensive strategy.