Backend Developer – E-commerce (Remote, Vietnam and China Priority)

Job Summary

We are hiring for an innovative crypto wallet and payment network startup who are looking for a Full-Stack Developer to build and maintain the e-commerce marketplace service within their crypto wallet app, built with React Native. You will develop and customize a whitelabel or prebuilt platform and integrate it with the crypto payment system.

Responsibilities

• Develop and customize a whitelabel or prebuilt e-commerce platform to create a marketplace service within the app.
• Implement crypto payment flows using QR/NFC, ensuring seamless user experiences in the marketplace.
• Build and maintain APIs to connect the e-commerce system with the smart contract-based backend.
• Collaborate with the Senior Engineer and Tech Lead to ensure scalability and security of marketplace features.
• Contribute to admin and customer portals for marketplace management and user interaction.
• Document code and integration processes for internal and external stakeholders.

Qualifications

• Backend Engineer who has worked in a mobile-first environment.
• 4+ years of experience in full-stack development (e.g., Node.js, React, JavaScript/TypeScript).
• Experience with e-commerce platform development or integration, ideally marketplace-focused.
• Familiarity with blockchain technology and crypto payments (e.g., Web3.js, Ethers.js).
• Proficiency in API development and integration with payment systems.
• Ability to work remotely and align with Hong Kong/Singapore time zones.
• Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).

Preferred Skills

• Experience with marketplace platforms like Shopify, Magento, or WooCommerce.
• Knowledge of crypto payment gateways and QR/NFC payment systems.
• Familiarity with React Native for mobile app development.