Backend Engineer (Node.js, Dialer/Telephony/IVR)

TalentXO; Gurugram District; On-site; INR 900,000 - 1,300,000; Full time

Benefits offered by this job

Opportunity to work on cutting-edge通信技

Collaborative and innovative work env.

Competitive salary and benefits.

Impact in telecommunications domain

Job summary

TalentXO is seeking a Backend Developer specializing in dialer and telephony systems to design, develop, and maintain the core backend components of our omnichannel dialer platform. You will apply your expertise in telephony APIs, IVR systems, and Node.js to deliver reliable and scalable communications solutions.

You will build RESTful APIs with Node.js, integrate telephony services, and design IVR flows, call routing, and automation.

Qualifications

• 3+ years backend development experience with Node.js.
• 1+ years hands-on experience in Dialer, Telephony, IVR, or Contact Center products.
• Experience developing backend services for calling platforms including inbound/outbound workflows.

Responsibilities

• Build RESTful APIs using Node.js.
• Develop and maintain backend services for our omnichannel dialer platform.
• Integrate telephony APIs for outbound/inbound calling, SMS, and channels.
• Design and implement IVR flows, call routing, and automation workflows.
• Optimize call handling, queues, and agent management for high concurrency.
• Collaborate with frontend, product, and engineering teams to define technical requirements.
• Ensure platform scalability, security, and performance standards.
• Monitor system performance, troubleshoot issues, and implement improvements.
• Stay updated with telephony technologies and best practices.
• Optimize PostgreSQL + Redis data flow.

Skills

Backend Engineer

Dialer/Telephony/IVR

REST APIs

Database design

Cloud familiarity

Tools

Node.js

PostgreSQL

Redis

Telephony APIs

SIP

Voice APIs

SMS APIs

AWS

Azure

GCP

Job description

As a Backend Developer specializing in dialer and telephony systems, you will be responsible for

designing, developing, and maintaining the core backend components of our omnichannel dialer

platform. Your expertise in telephony APIs, IVR systems, and Node.js will be crucial in delivering

reliable and scalable communication solutions.

Key Responsibilities

• -Build RESTful APIs using Node.js


• -Develop and maintain backend services using Node.js for our omnichannel dialer platform.


• -Integrate telephony APIs to enable outbound and inbound calling, SMS, and other communication channels.


• -Design and implement IVR flows, call routing, and automation features.


• -Optimize call handling, queuing, and agent management for high concurrency and reliability.


• -Collaborate with frontend, product, and engineering teams to define technical requirements and deliver solutions.


• -Ensure platform scalability, security, and performance standards are met.


• -Monitor system performance, troubleshoot issues, and implement improvements.


• -Stay updated with the latest telephony and communication technologies and incorporate best practices.


• -Optimize PostgreSQL + Redis data flow

Ideal Candidate

• Strong Backend Engineer (Node.js + Dialer/Telephony/IVR) Profile


• Mandatory (Experience 1) - Must have 3+ years of backend development experience, with strong hands-on expertise in Node.js for building scalable backend applications, microservices, and REST APIs.


• Mandatory (Experience 2) - Must have minimum 1+ years of hands-on experience working on Dialer, Telephony, IVR, Contact Center, Auto Dialer, Predictive Dialer, Voice Bot, or Communication Platform products.


• Mandatory (Experience 3) – Must have hands-on experience developing and maintaining backend services for calling platforms, including inbound/outbound calling workflows, call management, call tracking, agent management, and communication systems.


• Mandatory (Experience 4) – Must have experience integrating with telephony APIs, SIP-based systems, Voice APIs, Call APIs, SMS APIs, or communication platforms.


• Mandatory (Experience 5) – Must have strong understanding of IVR design, call routing logic, call automation workflows, call queues, agent assignment, call escalation, and telephony workflows.


• Mandatory (Experience 6) – Must have strong database experience with PostgreSQL and preferably Redis for caching, session management, queue management, or real-time applications.


• Mandatory (Domain)—Candidates should preferably come from CPaaS, Contact Center, Telephony, Communication Platforms, Voice Technology, Conversational AI, Voice Bot, Customer Engagement Platforms, Unified Communications, or SaaS product companies.


• Preferred (Cloud) – Experience working with AWS, Azure, or GCP cloud platforms.

Experience: 3–8 years · Work from office · 5 days a week · Notice period up to 30 days

Benefits

• - Opportunity to work on cutting-edge communication technology.


• - Collaborative and innovative work environment.


• - Competitive salary and benefits.


• - Chance to make a significant impact in the telecommunication domain.