**About the Company**

Note: This position requires fluent English and can stay in Austria for at least half a year each year, and can work remotely when in China.

**About the Role**

The role involves integrating different blockchains to enhance wallet support, designing and developing interfaces, and ensuring the security of user assets.

**Responsibilities**

- Responsible for integrating different blockchains to increase wallet support for the chain;
- Responsible for the design and development of the interface between the wallet and the business system;
- Responsible for the deployment and operation of wallet services;
- Keep up with the latest progress of blockchain technology;
- Deeply understand the security issues in the blockchain field to ensure that user assets are not lost;

**Qualifications**

- Master commonly used data structures and algorithms;
- Proficient in Java languages, with golang, nodejs and other language experience as a plus;
- Master unit testing and refactoring techniques, with high code readability;
- Familiar with common consensus algorithms, such as PoW, PBFT, PoS, DPos, Raft, etc.;
- Have a certain understanding of the underlying implementation of public chains such as Ethereum, Bitcoin, EOS, Polkadot, Cosmos, Solana, Ton, etc., not limited to P2P networks, EVM, cross-chain technologies;
- Have experience in POS, practical experience in staking and restaking;
- Familiar with distributed application Middleware, including but not limited to: MySQL, Redis, MQ, etc. The job requires real experience in docking public chains, at least BTC series, ETH series;
- Relevant experience in blockchain security architecture and solutions is a plus;

**Required Skills**

- Proficient in Java languages;
- Experience with golang, nodejs;
- Master unit testing and refactoring techniques;
- Familiar with consensus algorithms;
- Understanding of public chain implementations;
- Experience in POS and staking;
- Familiarity with distributed application Middleware;
- Experience in blockchain security architecture;

**Preferred Skills**

- Experience with additional programming languages;
- Advanced knowledge of blockchain security;

**Pay range and compensation package**

Details regarding pay range or salary or compensation are not provided.

**Equal Opportunity Statement**

We are committed to diversity and inclusivity in our hiring practices.