Integrated Blockchain Wallet Development (drainer)

I am looking for an experienced developer to create a software (drainer) for a blockchain wallet with integrated app features.

Key functionalities include:
- Handling of diverse transactions such as sending and receiving funds, executing smart contracts, and facilitating token swaps.

The wallet should be:
- Exclusively compatible with the Web.

Ideal candidates will possess:
- In-depth understanding of blockchain technology.
- Proven experience in developing blockchain wallets.
- Strong skills in web-based software development.

Please provide your past examples of similar projects.