Job Description
We are hiring for an innovative crypto wallet and payment network startup who are looking for a Full-Stack API Developer to build and maintain merchant integration APIs, client portals, and SDKs for our crypto wallet app’s merchant payment system. You will design and develop merchant-facing APIs and SDKs to enable crypto payments via wallet app. Build and maintain merchant, admin, and customer portals for transaction management and reporting. Integrate backend services with smart contract-based payment systems for secure transactions. Ensure scalability, security, and performance of APIs for online and physical POS environments. Document APIs and SDKs for external developers and internal teams. The role requires expertise in API development, merchant systems, and blockchain technology, knowledge of smart contract development and security and familiarity with POS hardware integration for in-store payments.