# Blockchain Developer \(Smart Contracts\) - Company: [Hyphenconnect]() - Location: Singapore - Team: Engineering - Posted: August 25, 2025 ## Job description 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). ## Apply [Apply on Hyphenconnect]() Canonical job page: