Hello,
I am well-versed with the features/specification of both portals(Upwork, Freelancer) and willing to develop a similar platform according to your requirements.
I have 6+ years of working experience and highly skilled in:
* PHP, JavaScript, NodeJS, HTML, CSS, RestAPI, Third-party integration, Realm, Firebase
* Designer: Sketch, Invision, Photoshop., Figma, AdobeXD
* Good Knowledge of Payment Gateways(Stripe, Paypal), In-App purchase, Google Admob, Ongoing maintenance & Improvement, Publishing on App Store & Play Store