Live Gold price plugin for woocommerce gold bars

I am looking for a developer to create a live gold price plugin for my woocommerce website. The plugin will be used for all types of gold bars and I would like the prices to be updated at specific intervals from url https://goldprice.org/gold-price-per-gram.html

Ideal skills and experience for this job would include:
- Experience with woocommerce plugin development
- Knowledge of integrating APIs
- Experience with real-time price updates
- Familiarity with gold pricing data sources such as LBMA and COMEX

Please provide suggestions for specific intervals for price updates. Thank you.