Blockchain Developer

3 days ago

Hong Kong Island, Hong Kong SAR China Hyphen Connect Full time

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. Job Description 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. Qualifications 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 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). #J-18808-Ljbffr

  • Head of Product

    5 days ago

    hong kong, Hong Kong SAR China The Edge Partnership Blockchain Full time

    Job Description : Our client has been tasked with helping to build the founding team for an exciting new venture, initiated by an established blockchain business. As a part of this we invite entrepreneurial individuals interested in building and shaping products, for the role of Product Owner. The successful incumbent will be working on smart contracts...

  • Senior Smart Contract Developer

    5 days ago

    Hong Kong Island, Hong Kong SAR China Blockchain Works Full time

    Responsibilities: Design, develop, and deploy advanced smart contracts for various blockchain platforms Lead a team of developers in the integration of smart contracts with front-end and back-end systems Rigorously test smart contracts to identify and fix any bugs Collaborating with front-end and back-end developers to integrate smart contracts with user...

  • Blockchain Product Lead for Web3

    5 days ago

    hong kong, Hong Kong SAR China The Edge Partnership Blockchain Full time

    A blockchain development firm in Hong Kong is seeking an experienced Product Owner to shape and build innovative products. The role involves working on smart contracts and implementing blockchain features such as DEX, NFTs, and Wallets. Ideal candidates should possess over 5 years of experience in the Blockchain/Crypto/Web3 space, have a solid understanding...

  • Backend Developer

    5 days ago

    Hong Kong Island, Hong Kong SAR China Blockchain A.I. Technology Limited Full time

    Welcome to BlockAI, a Hong Kong‑based web3 company developing software applications serving users worldwide, fostering the adoption of blockchain and AI technology since 2018. Comprising a team of software engineers, blockchain researchers, and marketing experts, we aim to deliver our first product—an automatic, seamless user experience in real‑time...

  • Blockchain Developer

    7 days ago

    Hong Kong, Hong Kong SAR China OKX Full time

    Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking...

  • Blockchain Node Developer

    2 weeks ago

    Hong Kong Island, Hong Kong SAR China OKX Full time

    Join to apply for the Blockchain Node Developer role at OKX 1 week ago Be among the first 25 applicants Join to apply for the Blockchain Node Developer role at OKX Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX...

  • Blockchain Developer, Rust

    3 days ago

    Hong Kong Island, Hong Kong SAR China OKX Full time

    At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to...

  • Blockchain Node Developer

    5 days ago

    Hong Kong Island, Hong Kong SAR China OKX Full time

    At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange, and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking access to...

  • Lead Smart Contract Engineer

    5 days ago

    Hong Kong Island, Hong Kong SAR China Blockchain Works Full time

    A blockchain technology firm in Hong Kong is seeking a skilled Smart Contract Developer to design and deploy advanced contracts for various platforms. Candidates should have a degree in Computer Science or 5+ years of software development experience, along with extensive skills in Solidity and blockchain systems. Leadership experience is essential as the...

  • Blockchain Developer, Rust

    1 week ago

    hong kong, Hong Kong SAR China OKX Full time

    Who We Are At OKX, we believe that the future will be reshaped by crypto, and ultimately contribute to every individual's freedom. OKX is a leading crypto exchange and the developer of OKX Wallet, giving millions access to crypto trading and decentralized crypto applications (dApps). OKX is also a trusted brand by hundreds of large institutions seeking...