Node.js Developer

Job Title : Node js Developer Experience : 7+ Skills :- 7+ years of professional experience with Node.js and Express.js in production environments.- 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 Proven track record of decomposing monolithic applications into microservices.- Experience with service communication patterns (synchronous and asynchronous).- 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 Qualifications :- Experience with payment gateway integrations (Stripe, PayPal, or similar processors).- 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 Skills :- Excellent problem-solving and analytical thinking abilities.- 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. (ref:hirist.tech)