Blockchain Development Engineer

Salary
HK$45,000 - HK$90,000 - Per Month
Location
Hong Kong
Type
Permanent
Published
Dec 3, 2025
Ref
166067
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Join one of the world’s leading digital asset ecosystems with over 120 million registered users and a comprehensive suite of blockchain products and services. We are pioneering the future of finance, empowering secure, efficient and intelligent digital transactions worldwide. As a Blockchain Development Engineer, you will work on cutting-edge blockchain technologies, contributing to the continued expansion and security of our trading platform.

What you’ll do

  • Integrate various blockchains to enhance wallet functionality and support for on-chain operations.
  • Design and develop interfaces between digital wallets and back-end systems.
  • Deploy, manage, and maintain wallet-related services in a high-availability environment.
  • Stay abreast of emerging blockchain technologies and trends, contributing to innovation within the platform.
  • Analyse and address security concerns in the blockchain environment to ensure users’ assets remain secure.

What you’ll need

  • Strong understanding of common data structures and algorithms.
  • High proficiency in Java; additional experience with Go and Node.js is advantageous.
  • Expertise in unit testing, refactoring techniques, and writing highly readable, maintainable code.
  • Familiarity with widely-used consensus algorithms, including PoW, PBFT, PoS, DPoS, and Raft.
  • Working knowledge of core implementations of public chains such as Ethereum, Bitcoin, EOS, Polkadot, Cosmos, and Solana, including but not limited to P2P networking, EVMs, and cross-chain technologies.
  • Understanding of distributed application middleware such as MySQL, Redis, and message queue systems.
  • Direct experience working with blockchain networks, particularly BTC and ETH series chains, is essential.
  • Familiarity with blockchain security architecture and relevant protective solutions will be viewed as a plus.

 

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