Job Description
Remote | 3–6 Month Contract
Working Hours: Malaysia/Singapore Time Zone
Compensation: Paid in USDT
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About the Role
We are seeking an experienced Backend Engineer with strong expertise in payment systems, API integrations, and scalable backend architecture. You will be responsible for designing and building a web-based payment processing platform, integrating third-party payment providers, and developing secure merchant-facing APIs.
This role requires strong production experience and the ability to collaborate with external payment provider teams.
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Key Responsibilities
• Architect and develop a scalable web-based payment processing system
• Integrate third-party payment provider APIs (REST / host-to-host)
• Design merchant-facing APIs that abstract underlying payment providers
• Create and maintain API documentation (OpenAPI / Swagger preferred)
• Design and optimize Po...
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