We are redirecting you to the source. If you are not redirected in 3 seconds, please click here.

Senior Engineer – E-commerce at Hyphen Connect Limited. . Location: Vietnam. Job Summary. . We are hiring for an innovative crypto wallet and payment network startup who are looking for a Senior Engineer, to lead the development of an e-commerce marketplace service within the crypto wallet app. You will evaluate and integrate a white label or prebuilt e-commerce platform and connect it to their crypto wallet / payment network, enabling a seamless marketplace experience for users.. . Responsibilities. . . Evaluate, select, and integrate a white label or prebuilt e-commerce platform to build a marketplace service within the app.. . Design and implement integrations between the e-commerce platform and crypto payment system, supporting secure transactions via the blockchain network... . Collaborate with the mobile app team to embed marketplace functionality into the app.. . Optimize the marketplace service for scalability, security, and user experience, ensuring crypto-only payment flows.. . Work with the Tech Lead to align the e-commerce solution with merchant integration goals.. . Document system architecture and provide technical guidance to internal and external teams.. . . Qualifications. . . 5+ years of experience in e-commerce platform development or integration, preferably with marketplace or whitelabel solutions.. . Proven expertise in integrating payment systems, ideally crypto-based (e.g., Ethereum, Polygon, stablecoins).. . Strong proficiency in full-stack development (e.g., Node.js, React, JavaScript/TypeScript).. . Experience with API integrations and connecting payment gateways to e-commerce platforms.. . Familiarity with blockchain technology and crypto wallet functionality (e.g., Web3.js, Ethers.js).. . Ability to work remotely and align with Hong Kong/Singapore time zones.. . . Preferred Skills. . . Experience with e-commerce platforms like Shopify, Magento, or WooCommerce, with a focus on marketplace functionality.. . Knowledge of crypto payment gateways (e.g., Coinbase Commerce, BVNK) and QR/NFC payment systems.. . Familiarity with React Native for mobile app integration.. . Strong problem-solving skills and ability to adapt third-party platforms for crypto-focused marketplaces..