NodeJS (Node.js)
PostgreSQLFull stack Developer (Ref.ID: VRPL-FSD-Chn-0326)
No. of Positions: 2 Nos. Senior 1 No. Junior 1 No.
API Development & Architecture:
Design and develop scalable RESTful APIs using Node.js & TypeScript
Build modular, reusable, and clean backend architecture
Implement authentication & authorization (JWT / OAuth / Role-based access)
Ensure API security best practices
Write well-structured documentation (Swagger / Postman)
Real-Time Communication (Sockets):
Develop real-time features using WebSockets / Socket.io
Implement:
Live tracking
Real-time notifications
Status updates
Chat systems
Optimize socket performance and reconnection handling
Ensure scalability under concurrent user load
Database & Data Layer (PostgreSQL):
Design scalable and optimized database schemas
Write complex SQL queries & joins
Implement indexing & query optimization
Handle transactions and concurrency control
Work with ORMs like Prisma / TypeORM (preferred)
Maintain database security and backup strategies
Ensure data security and backups
Performance & Scalability:
Optimize API response times
Implement caching strategies (Redis preferred)
Design rate limiting and throttling mechanisms
Ensure system reliability & fault tolerance
Handle background jobs & queues
Deployment & DevOps Collaboration:
Deploy applications on AWS / GCP
Work with Docker containers
Implement CI/CD pipelines
Monitor logs & performance metrics
WhatsApp Business Integration:
Integrate WhatsApp Business API (Cloud / On-Premise)
Work with providers like Exotel / Twilio (preferred)
Implement Template messaging
OTP authentication
Notifications & alerts
Two-way communication
Manage webhook events and delivery tracking
Ensure compliance with WhatsApp policies
Required Skills:
Strong proficiency in Node.js
Hands-on experience with TypeScript
Strong experience in PostgreSQL
Experience building RESTful APIs
Experience with WebSockets / Socket.io
Good understanding of system design & architecture
Git version control
Knowledge of API security best practices
Preferred Skills:
Experience in real-time platforms (ride-hailing, delivery, chat systems)
Redis for caching
Message queues (Kafka / RabbitMQ / BullMQ)
Microservices architecture
Payment gateway integration
Cloud infrastructure knowledge
Soft Skills:
Strong analytical, problem-solving skills, and debugging skills
Startup mindset & ownership attitude
Ability to work in fast-paced startup environment and work independently
Good communication skills in all aspects
Shubham Vishwakarma
Full Stack Developer - Averlon
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Full Stack Developer - Averlon