Blockchain Engineer (Wallet)

Asia's leading fintech and digital asset company publicly listed on the Hong Kong Stock Exchange.
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Blockchain · Finance

Description For Blockchain Engineer (Wallet)

OSL Group Limited is a leading fintech and digital asset company in Asia, publicly listed on the Hong Kong Stock Exchange (863.HK). The company is seeking a Blockchain Engineer focused on wallet development to join their team in Shenzhen. This role combines blockchain technology expertise with practical implementation, requiring strong backend development skills and deep understanding of various blockchain protocols.

The position involves integrating multiple blockchain networks, developing secure wallet solutions, and maintaining critical infrastructure. The ideal candidate will have strong programming skills in Java, with additional experience in Go and Node.js being valuable. They should be well-versed in blockchain technology, particularly in areas of consensus mechanisms, public chains, and security protocols.

Key responsibilities include implementing wallet support for various blockchains, designing robust backend interfaces, and ensuring the security of user assets. The role requires hands-on experience with major blockchain networks like Bitcoin and Ethereum, along with knowledge of distributed systems and middleware technologies.

OSL Digital Securities Limited, a subsidiary, holds the distinction of being the world's first Hong Kong Securities and Futures Commission licensed and insured digital asset trading platform. Founded in 2018, OSL Group has established itself as a leader in providing comprehensive regulated and licensed digital asset solutions.

This role offers an opportunity to work at the forefront of digital asset technology with a regulated, established company that's leading the Asian market. The position combines technical challenges with real-world applications in the growing digital asset space.

Last updated a day ago

Responsibilities For Blockchain Engineer (Wallet)

  • Integrate different blockchains and increase wallet support for on-chain operations
  • Design and develop wallet and backend system interfaces
  • Deploy and maintain wallet services
  • Track latest blockchain technology developments
  • Ensure security of user assets through blockchain security implementation

Requirements For Blockchain Engineer (Wallet)

Java
Node.js
Go
MySQL
Redis
  • Mastery of common data structures and algorithms
  • Proficiency in Java, with Go and Node.js experience as a plus
  • Experience with unit testing and code refactoring
  • Knowledge of consensus algorithms (PoW, PBFT, PoS, DPos, Raft)
  • Understanding of public chains (Ethereum, Bitcoin, EOS, Polkadot, Cosmos, Solana)
  • Experience with distributed systems and middleware (MySQL, Redis, MQ)
  • Previous experience interfacing with BTC and ETH blockchain series
  • Blockchain security architecture experience is a plus

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