Blockchain Developer (Smart Contracts)

Hong KongHong Kongmid
EngineeringSoftware EngineeringBlockchain Developer
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Quick Summary

Requirements Summary

Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience). 3+ years of experience in

Technical Tools
EngineeringSoftware EngineeringBlockchain Developer

We are hiring for one of our ecosystem projects in the digital asset space, we are looking for a Blockchain Developer to design, develop, and implement blockchain-based solutions for a high-performance trading system. The ideal candidate will have expertise in blockchain technologies, smart contract development, and trading system architecture, ensuring secure, scalable, and efficient solutions for decentralized trading applications.

  • Design and develop blockchain-based trading platforms, including decentralized exchanges (DEX), automated market makers (AMM), or order-book systems.
  • Write, test, and deploy secure smart contracts using platforms such as Ethereum, Binance Smart Chain, Solana, or other blockchain networks.
  • Integrate blockchain solutions with front-end and back-end systems to enable seamless trading functionality.
  • Implement security best practices to protect against vulnerabilities, including reentrancy attacks, front-running, and unauthorized access.
  • Optimize smart contracts for gas efficiency and system performance to handle high-frequency trading scenarios.
  • Collaborate with cross-functional teams, including traders, product managers, and DevOps engineers, to define system requirements and ensure alignment with business goals.
  • Ensure compliance with relevant financial regulations and standards for trading systems.
  • Monitor and maintain blockchain nodes, ensuring uptime and reliability of the trading infrastructure.
  • Stay updated on emerging blockchain technologies, protocols, and industry trends to enhance system capabilities.

Requirements

~1 min read
  • Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).
  • 3+ years of experience in blockchain development, with a focus on building decentralized applications (dApps) or trading systems.
  • Proficiency in programming languages such as Solidity, Rust, or Go for smart contract development.
  • Strong understanding of blockchain protocols (e.g., Ethereum, Solana, Polygon) and consensus mechanisms (e.g., PoW, PoS).
  • Experience with trading system concepts, including order matching, liquidity pools, or market-making algorithms.
  • Familiarity with DeFi protocols, token standards (e.g., ERC-20, ERC-721), and interoperability frameworks.
  • Knowledge of cryptographic principles, including public/private key infrastructure and hashing algorithms.
  • Experience with tools like Truffle, Hardhat, or Foundry for smart contract development and testing.
  • Understanding of front-end and back-end integration (e.g., Web3.js, Ethers.js, REST APIs).
  • Strong problem-solving skills and attention to detail in writing secure and efficient code.
  • Excellent communication and collaboration skills to work in a fast-paced, team-oriented environment.

Nice to Have

~1 min read
  • Experience with layer-2 scaling solutions (e.g., Optimism, Arbitrum) or cross-chain bridges.
  • Knowledge of financial markets, trading strategies, or algorithmic trading.
  • Familiarity with cloud platforms (e.g., AWS, Azure) and containerization (e.g., Docker, Kubernetes).
  • Contributions to open-source blockchain projects or active participation in blockchain communities.
  • Understanding of regulatory frameworks for cryptocurrencies and trading platforms (e.g., KYC/AML compliance).

 

 

Listing Details

Posted
July 23, 2025
First seen
March 26, 2026
Last seen
April 21, 2026

Posting Health

Days active
25
Repost count
0
Trust Level
23%
Scored at
April 21, 2026

Signal breakdown

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Hyphenconnect
Hyphenconnect
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HyphenconnectBlockchain Developer (Smart Contracts)