Job Description: Web3 Engineer

We are looking for a skilled Web3 Engineer to join our team and build a middleware or backend service to interact with the DFNS API. As a Web3 Engineer, you will be responsible for designing and implementing a secure and scalable solution to support our Multi-Chain Self Custodial Wallet.

Responsibilities

• Design and implement a middleware or backend service to interact with the DFNS API.
• Collaborate with the Mobile Engineers to integrate the middleware or backend service with the user interface of the Multi-Chain Self Custodial Wallet.
• Ensure that the middleware or backend service meets high standards for security, scalability, and performance.
• Use modern web technologies such as Node.js and TypeScript to build a robust and maintainable codebase.
• Work with the Security Engineer to identify and mitigate potential security risks in the middleware or backend service.

Qualifications

• Strong working knowledge of web3.js and other Web3 frameworks
• Experience building middleware or backend services for Web3 applications
• Experience with Node.js, TypeScript, and RESTful APIs
• Familiarity with best practices for secure storage of private keys and seed phrases
• Understanding of encryption and other security measures to protect users' assets from theft or fraud
• You are familiar with App Attestation and other security best practises in order to secure the network traffic between client and the server
• You should have experience building a push notification service
• You should also be comfortable writing GraphQL services
• You are knowledgeable about WebAuthn and other passwordless technologies
• You have a demonstrated history of writing fault-tolerant and resilient web services, specifically for mobile apps

Nice to have