A mid-size SaaS company looking for a backend engineer to work on scalable APIs (example: building a job portal, e-commerce, or SaaS CRM backend). I've been working with Node.js for around 2 years, building RESTful and some GraphQL APIs. I mainly use Express.js for routing, Mongoose for MongoDB integration, and I’m comfortable with authentication using JWT. I focus on writing modular, reusable code, and I’m familiar with middleware, error handling, and request validation."