Full-Stack API Developer – Merchant Integration
Company:Hyphen Connect Limited
Location:China, HKT, SGT
Languages:English
Seniority level:Senior, 5+ years
Experience:5+ years
Skills:
Backend DevelopmentNode.jsPythonBlockchainFull Stack DevelopmentReact.jsVue.JsWeb3.jsRESTful APIs
Requirements:
5+ years of experience in full-stack development, with a focus on API and SDK development Proven experience building merchant or client portals for payment systems Strong proficiency in backend technologies (e.g., Node.js, Python, Go) Strong proficiency in frontend frameworks (e.g., React, Vue.js) Familiarity with blockchain technology and crypto wallets Experience with RESTful APIs and integration with payment gateways or POS 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)
Responsibilities:
Design and develop merchant-facing APIs and SDKs Build and maintain merchant, admin, and customer portals Integrate backend services with smart contract-based payment systems Collaborate with Tech Lead and Integration Engineer Ensure scalability, security, and performance of APIs Document APIs and SDKs
