Node.js Developer

Job Title : Node js Developer

Experience : 7+ yrs

Technical Skills :

- 5+ years of hands-on experience building and deploying microservices architectures.

- Strong expertise in MongoDB, including schema design, aggregation framework, indexing, and replication.

- Deep understanding of RESTful API design principles and best practices.

- Experience with message queuing systems (RabbitMQ, Kafka, Redis Pub/Sub).

- Proficiency in asynchronous programming patterns (Promises, async/await, event emitters).

- Strong knowledge of authentication/authorization mechanisms (JWT, OAuth 2.0, session management).

- Experience with API gateway patterns and service discovery.

- Proven track record of decomposing monolithic applications into microservices.

- Understanding of distributed systems challenges (CAP theorem, eventual consistency, circuit breakers).

- Knowledge of Domain-Driven Design (DDD) principles.

- Experience implementing saga patterns for distributed transactions.

- Strong understanding of design patterns and SOLID principles.

- Experience with Test-Driven Development (TDD) using Jest, Mocha, or similar frameworks.

- Proficiency with version control systems (Git) and branching strategies.

- Experience with code review processes and maintaining code quality standards.

- Knowledge of performance optimization and profiling tools.

Preferred Qualifications :

- Knowledge of POS systems or retail/hospitality industry domains.

- Experience with GraphQL and modern API paradigms.

- Familiarity with TypeScript for type-safe Node.js development.

- Experience with serverless architectures (AWS Lambda, Cloud Functions).

- Understanding of CQRS and Event Sourcing patterns.

- Experience with Redis for caching and session management.

- Knowledge of gRPC for inter-service communication.

- Experience with real-time features using WebSockets or Server-Sent Events.

- Contributions to open-source projects.

Soft Skills :

- Strong communication skills to collaborate with cross-functional teams.

- Ability to mentor junior developers and conduct technical reviews.

- Self-motivated with ability to work independently and in team environments.

- Adaptability to learn new technologies and frameworks quickly.

- Strong attention to detail and commitment to code quality.

Key Responsibilities :

- Design, develop, and maintain backend services using Node.js and Express.js in production environments.

- Architect and implement microservices-based solutions with a focus on scalability, reliability, and fault tolerance.

- Build robust and secure RESTful APIs following best practices and standards.

- Work with MongoDB, including schema design, indexing, aggregation, and performance tuning.

- Integrate and manage message queues such as RabbitMQ, Kafka, or Redis Pub/Sub.

- Implement robust authentication and authorization mechanisms (JWT, OAuth 2.0).

- Apply service discovery, API gateway patterns, and distributed communication practices.

- Write clean, maintainable, and testable code following SOLID and design pattern principles.

- Conduct code reviews, mentor junior developers, and ensure high code quality.

- Optimize performance using monitoring, logging, and profiling tools.

- Ensure application security aligned with compliance standards such as PCI-DSS and OWASP.

- Collaborate closely with DevOps teams for containerized deployments and CI/CD automation.