Greetings!
Sure, can add new features to your POS Application, Upgrade Website and design Logo, Banners as per required.
Relevant Skills and Experience
Excellent ability in Hybrid App development.
Skilled in HTML5, CSS3, Javascript, Xamarin, Phone-gap.
Well versed with UI/UX, Graphic design, Photoshop & Sketch.
Proposed Milestones
£580 GBP - Tentative cost
Can you share your app link?
What new features you want to add ?
Regards.