jobs in Tech Nine Limited

Tech Nine Limited Hiring! Full Time Senior Blockchain Engineer in Kowloon, Hong Kong, Earn up to HKD 30,000 - Ricebowl

Senior Blockchain Engineer

Tech Nine Limited

HKD20,000 - HKD30,000 Per Month

Cheung Sha Wan, Kowloon, Hong Kong

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Working Location

  • Cheung Sha Wan Kowloon, Hong Kong Hong Kong

Job Description

Responsibilities

Key Responsibilities

  • Architecture & Development: Design and deploy secure, robust, and gas-efficient smart contracts across [e.g., Ethereum, L2s, Solana, Cosmos].
  • Ecosystem Integration: Build and maintain SDKs, APIs, and backend services that seamlessly connect frontend applications with smart contracts.
  • Security & Auditing: Conduct rigorous internal code reviews and unit testing. Work closely with external security auditing firms to identify and mitigate vulnerabilities.
  • Optimization: Optimize smart contracts for maximum gas efficiency and performance without compromising security.
  • Technical Leadership: Lead architectural discussions, define engineering best practices, and mentor junior/mid-level Web3 engineers.
  • Research & Innovation: Stay ahead of the curve on emerging Web3 trends, protocols, and security threats (e.g., zero-knowledge proofs, MEV mitigation, account abstraction).

Pay: $20,000.00 - $30,000.00 per month

Work Location: In person

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