Senior NodeJS Developer

Need to be ready to come to Halifax office for approx 3 days a week.

Keywords: NodeJS Developers or FullStack Developers - Should have real time, authentication, administration, web sockets, MongoDB experience, React, NextJS, Redis, SQL, Azure SSO

Must Have:

• Strong proficiency in Node.js and Express.js / Nest.js / Koa.js.
• Experience with WebSockets (Socket.io, WebRTC, or similar real-time communication technologies).
• Strong experience with MongoDB (Mongoose, indexing, aggregation, performance optimization, replication, and sharding).
• Knowledge of database design principles, normalization, and caching strategies (Redis, Memcached).
• Experience in building role-based administration dashboards and access control systems.
• Familiarity with real-time event-driven architectures (Pub / Sub, Kafka, RabbitMQ is a plus).
• Solid understanding of security best practices (OWASP, encryption, API security).
• Experience in writing RESTful APIs and GraphQL.
• Knowledge of microservices architecture and containerization (Docker, Kubernetes is a plus).
• Experience with unit and integration testing (Jest, Mocha, Supertest, Cypress).
• Strong understanding of performance optimization techniques for Node.js applications.
• Experience in working with CI / CD pipelines, Git workflows, and cloud-based deployment.

Nice to Have:

Experience (Years): 8-10

NodeJS Developers or FullStack Developers:

• Develop, optimize, and maintain scalable back-end services using Node.js and Express.js / Nest.js.
• Implement real-time features using WebSockets (Socket.io, WebRTC, or similar technologies).
• Design and manage authentication and authorization systems, including OAuth, JWT, and session-based authentication.
• Develop robust role-based administration dashboards with granular access control.
• Work with MongoDB (Mongoose, Aggregations, Indexing, Replication, and Sharding) for efficient data storage and retrieval.
• Design and integrate RESTful APIs and GraphQL endpoints for seamless communication with front-end applications.
• Implement security best practices, including encryption, input validation, CORS, CSRF protection, and rate limiting.
• Optimize database queries and application performance for scalability and high availability.
• Work with front-end developers (if Full-Stack) to integrate UI components using React.js, Next.js, or Vue.js.
• Develop and manage background jobs and cron tasks for scheduled operations.
• Implement logging and monitoring solutions for debugging and performance analysis.
• Ensure proper testing using unit, integration, and end-to-end testing frameworks (Jest, Mocha, Chai).
• Work with cloud services (AWS, Firebase, Azure) and deployment tools (Docker, Kubernetes, CI / CD pipelines).
• Collaborate with DevOps teams for infrastructure setup, deployment, and maintenance.