Google Indexing & Payment Integration

I need help with properly indexing my newly launched syrup products and checkout page on Google, as well as integrating Razorpay and PayU payment gateways.

Requirements:
- Google Indexing: Ensure my products are easily discoverable on Google.
- Payment Gateway Integration: Integrate Razorpay and PayU into my checkout page.
- easy checkout system from the page

Ideal Skills and Experience:
- Proven experience with Google indexing and SEO
- Familiarity with Razorpay and PayU integration
- Strong understanding of e-commerce checkout processes

Please provide examples of similar work done.