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Senior Engineer – E-commerce

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.

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