E-commerce Website Development for Start-up

I'm looking to build a custom e-commerce website for my entrepreneurial venture. I have all the data and algorithms ready, and just need a skilled professional to code and design it.

Essential Features:
- User accounts and profiles: The website should allow users to create their accounts, manage their profiles, and track their orders.
- Product search and filters: A robust search and filtering system is a must, to enhance user experience and ease product navigation.
- Payment gateway integration: I need a secure and reliable payment gateway integrated into the site for hassle-free transactions.

Ideal Skills:
- Proficiency in coding and web design
- Experience in developing custom e-commerce sites
- Knowledge of secure payment gateway integration
- Excellent understanding of user account systems and product search/filters.

Please provide examples of your previous work that align with this project.