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Backend Developer - Node.js Framework — Crewkarma, Remote (Hiring Now)

Backend Developer Node.js Framework



Job description

About the Role :
We are looking for a Backend Developer with strong expertise in Node.js and Telephony/Dialer Systems to build and scale our omnichannel communication platform.


This role is ideal for engineers who have worked on dialer platforms, IVR systems, call routing, SIP protocols, or contact center solutions.

You will be responsible for designing high-performance backend services, integrating telephony APIs, and building scalable communication infrastructure capable of handling high call volumes.

Key Responsibilities : 1.

Backend Development :
- Design, develop, and maintain scalable backend services using Node.js.


- Build secure, high-performance RESTful APIs to power the omnichannel communication platform.


- Develop clean, modular, and maintainable backend architecture following best engineering practices.


- Collaborate with Product, Frontend, QA, and Engineering teams to deliver reliable solutions.

2.

Telephony & Dialer Platform :
- Integrate telephony APIs to support inbound and outbound calling, SMS, and omnichannel communication.


- Design and implement IVR workflows, call routing, call automation, and queue management.


- Build features for agent management, campaign execution, and dialer optimization.


- Optimize call handling and communication workflows for scalability and high availability.

3.

Database & Performance Optimization :
- Design and optimize PostgreSQL databases for high-volume transactional workloads.


- Utilize Redis for caching, queue management, and high-performance data processing.


- Improve application performance, concurrency, and response times.


- Monitor backend services and optimize system reliability under heavy traffic.

4.

Platform Reliability & Scalability :
- Ensure backend systems are secure, scalable, and fault tolerant.


- Tr


Required Skill Profession

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