Key Responsibilities
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• Develop and maintain robust RESTful APIs using Node.js (Express/Nest.js)
• Implement Single Sign-On (SSO) using OAuth 2.0 (Google, GitHub, etc.)
• Integrate third-party APIs and manage API authentication securely
• Work with databases like MongoDB, MySQL, or PostgreSQL
• Write clean, scalable, and secure back-end code
• Collaborate with front-end developers, designers, and QA team