Bitgo API Integration for Wallet Management

I need a developer experienced with the Bitgo API to implement wallet management features in my project. The primary tasks will involve managing multi-signature wallets, generating wallet addresses, and tracking wallet balances.

Key Requirements:
- Proficient in JavaScript/Node.js
- Extensive experience with the Bitgo API
- Strong understanding of multi-signature wallets
- Capable of implementing wallet address generation and wallet balance tracking

Please provide examples of similar projects you've worked on.