Sr. Full Stack Developer

Key Responsibilities

• Develop and maintain Zaucto's web application using Next.js / React.js.
• Develop scalable backend services and REST APIs using Node.js.
• Design, maintain and optimize MongoDB databases.
• Develop new modules and features for RFQ, RFI, Bulk RFQ, Bulk Auction and Auction workflows.
• Work on real-time bidding and auction functionality.
• Implement bid validation, auction timers, auction status, extensions and related business logic.
• Work with WebSockets / Socket.IO for real-time updates where required.
• Integrate third-party APIs, payment services, notification services and other business integrations.
• Implement authentication, authorization and role-based access control.
• Debug and resolve frontend, backend, database and production issues.
• Optimize application performance, database queries and API response times.
• Write clean, modular, reusable and maintainable code.
• Participate in code reviews and follow development best practices.
• Develop appropriate unit, integration and end-to-end tests.
• Work with AWS for application deployment, hosting, storage, monitoring and production support.
• Work with Git, Docker and CI/CD processes.
• Maintain technical documentation for important modules and APIs.
• Coordinate with business, product, QA, design and other development resources.
• Take ownership of assigned modules and deliver features within agreed timelines.