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

Role overview

This position is for a backend engineer focused on dialer and telephony solutions. The work centers on building and supporting the backend layer of an omnichannel dialer product, with a strong emphasis on Node.js, IVR, and communication APIs. The role requires someone who can create dependable, scalable systems for voice and messaging workflows.

What you will do

• Develop REST APIs with Node.js.
• Improve the flow of data between PostgreSQL and Redis.
• Build and support backend services for an omnichannel dialer platform.
• Connect telephony APIs so the platform can handle outbound and inbound calls, SMS, and related communication channels.
• Create IVR journeys, call-routing logic, and automation features.
• Fine-tune call handling, queuing, and agent allocation to support heavy traffic and dependable performance.
• Work closely with frontend, product, and engineering teams to translate technical needs into working solutions.
• Maintain strong standards for scalability, security, and performance.
• Track system health, diagnose issues, and roll out improvements.
• Keep up with current telephony and communication technologies and apply practical best practices.

Candidate profile

• You should have at least 4 years of backend development experience, with deep hands-on work in Node.js for scalable applications, microservices, and REST APIs.
• You need a minimum of 1 year of experience working on dialer, telephony, IVR, contact center, auto dialer, predictive dialer, voice bot, or communication platform products.
• You must have practical experience building and maintaining backend systems for calling platforms, including inbound and outbound call flows, call tracking, agent handling, and communication workflows.
• You should have integrated telephony APIs, SIP-based systems, voice APIs, call APIs, SMS APIs, or similar communication platforms.
• You need a strong grasp of IVR design, call-routing logic, automation flows, queue management, agent assignment, escalation paths, and other telephony processes.
• You must be comfortable working with PostgreSQL and preferably Redis for caching, session handling, queue management, or real-time use cases.
• Experience in CPaaS, contact center, telephony, communication platforms, voice technology, conversational AI, voice bots, customer engagement platforms, unified communications, or SaaS product companies is preferred.
• Applicants should be able to join immediately or within 15 days.
• Cloud experience with AWS, Azure, or GCP is a plus.

Benefits and work environment

• Opportunity to work on modern communication technology.
• A collaborative and innovative workplace.
• Competitive pay and benefits.
• The role offers a chance to contribute meaningfully in the telecommunications space.

Additional details

This is a full-time, onsite role based in Gurugram, Haryana, India. The employer is CG-VAK Software & Exports Ltd. No opening count, stipend, or salary figure was specified in the source. The role is intended for candidates with relevant backend and telephony domain experience. Immediate joiners or those available within 15 days will be prioritized.