A decentralized application (Dapp) developer is a person who specializes in creating applications that run on a decentralized network, such as a blockchain. These developers use various programming languages and frameworks to build Dapps that are secure, transparent, and resistant to censorship.

As for the features/advantages of a Dapp developer, here are 15:

1. Expertise in blockchain technology: Dapp developers have a deep understanding of how blockchain works and can leverage its features to build decentralized applications.

2. Ability to create trustless systems: Dapp developers can design applications that don't rely on a central authority, ensuring trust and transparency among users.

3. Enhanced security: Dapps are inherently more secure due to their decentralized nature, and Dapp developers prioritize security measures to protect user data and transactions.

4. Immutable data storage: Dapps store data on a blockchain, making it tamper-proof and resistant to unauthorized changes.

5. Lower operational costs: Dapps eliminate the need for intermediaries, reducing operational costs and making transactions more efficient.

6. Global accessibility: Dapps can be accessed by anyone with an internet connection, enabling global participation and inclusivity.

7. Increased privacy: Dapps can provide users with greater control over their personal data, ensuring privacy and reducing the risk of data breaches.

8. Open-source development: Dapp developers often contribute to open-source projects, fostering collaboration and innovation within the blockchain community.

9. Tokenization capabilities: Dapp developers can integrate tokenization features into their applications, enabling the creation and management of digital assets.

10. Smart contract development: Dapp developers are skilled in creating and deploying smart contracts, which automate and enforce the execution of agreements within the application.

11. Decentralized governance: Dapp developers can design applications with decentralized decision-making processes, allowing users to have a say in the platform's development and direction.

12. Interoperability: Dapp developers can build applications that can interact with other Dapps and blockchain networks, enabling seamless integration and collaboration.

13. Scalability solutions: Dapp developers are constantly exploring and implementing scalability solutions to ensure that Dapps can handle a large number of users and transactions.

14. Enhanced user experience: Dapp developers focus on creating intuitive and user-friendly interfaces, making it easier for users to interact with the application.

15. Potential for innovation: Dapp developers are at the forefront of blockchain technology, constantly pushing the boundaries and exploring new possibilities for decentralized applications