Backend Developer (Node.js and NestJS)

We are seeking a skilled and passionate Mid-Level Backend Developer with solid experience in Node.js and NestJS to join our team in Kathmandu. As a key member of our backend team, you will be responsible for developing robust backend services, designing scalable systems, and contributing to technical architecture using modern technologies and design principles.

Key Responsibilities:

• Develop, maintain, and enhance backend services using Node.js and NestJS
• Design and implement scalable and maintainable APIs (REST and/or GraphQL)
• Collaborate with frontend, QA, DevOps, and product teams to deliver high-quality software
• Design system architectures, data models, and workflows with UML, ER diagrams, and technical documentation
• Create and optimize database schemas and queries (preferably using PostgreSQL or MongoDB)
• Implement secure authentication and authorization systems (e.g., JWT, OAuth2)
• Conduct code reviews and mentor junior developers when needed
• Monitor performance and troubleshoot production issues
• Contribute to architectural decisions and long-term backend strategy
• Documentation and design (Swagger, UML diagrams, etc.)
• Implement Entity frameworks and design scalable infrastructure, for both cloud-based operations and in-house infrastructure
• Conduct comprehensive testing and develop secure systems
• Focus on data integrity, rapid deployments, secured and sanitized communications, as well as other crucial security concerns
• Maintain in-house service infrastructure including macro and micro services.