Back End Developer

As a Back-end Developer, your role will involve the following key responsibilities: - API & Microservice Development - Build and maintain REST (and optional GraphQL) endpoints in Node.js (Express or NestJS). - Write Firebase Cloud Functions for real-time logic when appropriate. - Data & Security - Design schemas in Firestore / SQL / NoSQL as required. - Implement authentication, authorization, and role-based access. - Connect to third-party AI services (chat, vision, etc.) and other external APIs. - Deployment & Monitoring - Automate CI/CD, use Docker or cloud builds, deploy to Firebase, GCP, AWS, or comparable. - Set up logging, alerting, and performance monitoring. - Collaboration & Release Support - Work closely with React and Flutter engineers to define contracts and return structures. - Participate in app release cycles, ensuring backend readiness and versioning. - Organise tasks and documentation in Notion; attend stand-ups and code reviews. In order to excel in this role, you should possess the following qualifications and skills: - 5+ years of experience building production back-end systems with Node.js. - Solid experience with Firebase (Auth, Firestore, Cloud Functions) or equivalent serverless stacks. - Strong database design skills (document, relational, and caching strategies). - Deep understanding of RESTful principles, web security, and scalability patterns. - Experience deploying and operating services in a public cloud environment. - Familiarity with CI/CD pipelines, Git workflows, and automated testing. - Fluent English communication; comfortable documenting in Notion and explaining architecture to the team.,