8 Asterisk Jobs in India

Job Description

MyOperator's Telephony platform powers call handling, IVR routing, number/DID provisioning, and outbound dialer campaigns for over 12,000 businesses. We're looking for a Product Manager to own this domain - someone with genuine technical depth in telephony and voice systems, who can translate how these systems actually work into a clear, well-sequenced roadmap and partner closely with engineering to ship it.

This is a technical, hands-on role suited to a PM who understands the mechanics of telephony infrastructure - call routing strategies, IVR state machines, DID lifecycle management, SIP/Asterisk-based call systems and can write specs that hold up against how these systems are actually built, not just how they appear on the surface.

About MyOperator

MyOperator is a Business AI Operator platform that allows businesses, teams, and AI Agents to work in tandem for customer operations, i.e., handle Sales, Support, Escalation, Feedback, and Refund processes. With over 12,000+ businesses using our platform, we are the largest in the space.

MyOperator is built for people who want to work on ambitious problems at a meaningful scale. We value ownership, speed, critical thinking, and a bias for building things that create real customer and business outcomes. This is a high-expectation, high-learning environment where people are trusted to think independently, challenge ideas openly, move with urgency, and keep raising the bar as we build for long-term impact.

Key Responsibility Areas

• Own the Telephony product roadmap end-to-end - call handling, IVR/routing, DID provisioning, and outbound dialer campaigns - writing specs grounded in real system architecture and partnering closely with engineering to ship them.
• Maintain delivery visibility and alignment across the roadmap, using tools like Jira to track progress, sequence dependencies, and keep priorities clear for engineering.

Requirements — Must Have

• Strong technical understanding of telephony and voice infrastructure - IVR call flows and state machines, call routing strategies (round robin, simultaneous, sequential), SIP/Asterisk-based call systems, and DID/number provisioning and lifecycle management.
• 4+ years as a Product Manager/Product Owner on a technical or infrastructure-heavy product (telephony, VoIP, messaging/CPaaS, or a comparably systems-heavy backend domain), with end-to-end ownership of a roadmap you can speak to in specifics.
• Demonstrable ability to read and reason about backend system design - can point to specs/PRDs you've written that account for real constraints like state machines, REST APIs, webhooks, or rate limits, not just UI/wireframe-level requirements.
• Comfortable working within engineering's own tooling (e.g., Jira) to track delivery progress and dependencies as part of the regular workflow.
• Demonstrated ownership of predictable, high-throughput delivery on a technical roadmap, with clear outcomes you can speak to.

Requirements — Good to Have

• Experience working with voice agents/voicebots (e.g., AI-driven call handling, IVR-to-bot handoff, conversational voice systems) — a strong plus given where our roadmap is headed.
• Experience with WhatsApp Business API or other messaging platforms.
• Prior exposure to outbound dialer / campaign-calling systems (OBD).
• SQL or basic scripting ability to work directly with product/ticket data.
• Prior experience at a CPaaS, UCaaS, or contact-center software company.

This profile is not for

• Candidates who prefer to operate purely at the conceptual/strategy level without engaging with system architecture or engineering-level detail.
• Candidates who aren't comfortable using ticket-tracking tools as part of their regular workflow to track delivery and dependencies.
• Candidates without genuine, hands-on exposure to telephony systems or comparably complex technical infrastructure

WE ARE HIRING | PROJECT MANAGER – VOIP TECHNOLOGIES

Position: Project Manager

Industry: IT Services / VoIP Technologies

Experience: 6–12 Years

Location: Ahmedabad | Work from Office

We are looking for a Technical Project Manager with a strong hands-on technical background in VoIP Development

.

KEY RESPONSIBILITIES

• Manage end-to-end VoIP implementation projects from initiation through deployment and post-implementation support.

• Gather business and technical requirements and translate them into actionable project plans.

• Prepare project schedules, milestones and resource allocation plans.

• Coordinate with Development, QA, DevOps, Support and Infrastructure teams.

• Track project progress and ensure timely delivery.

• Conduct project kickoffs, status meetings and client review meetings.

• Identify project risks and develop mitigation strategies.

• Manage scope changes and maintain project documentation, reports and dashboards.

• Coordinate UAT and production rollout.

• Manage timelines, budgets and resource utilisation.

• Communicate project status to clients and internal stakeholders.

• Support pre-sales through effort estimation and project planning.

MANDATORY TECHNICAL EXPERIENCE

Hands-on experience in VoIP/Telecom with strong knowledge of:

• FreeSWITCH

• Asterisk

• Kamailio

• OpenSIPS

• SIP

• RTP

• WebRTC

• SBC

• IP Telephony

• Linux

• TCP/IP, NAT, Firewalls and Networking

ADDITIONAL SKILLS

• Agile / Scrum methodologies

• Project planning and scheduling

• Risk and resource management

• Client and stakeholder management

• UAT and production deployment

• Vendor coordination

• International client handling

• AWS / Azure / GCP exposure is an advantage

• REST API integration knowledge is an advantage

• PMP / PRINCE2 / CSM certification preferred

Role Overview

We are looking for a hands-on Senior Telephony Engineer who actively writes production-grade code and has deep experience with Asterisk-based systems, Java backend development, and high-scale dialler platforms.

Key Responsibilities

This is NOT an architecture-only role we need someone who can:

• Write code
• Debug real-time call issues
• Build and optimize telephony flows end-to-end
• Key Responsibilities (Hands-on Coding Focus)
• Develop and maintain Asterisk dialplans, AGI scripts, and call flows
• Build Java-based backend services for telephony control and orchestration
• Implement and optimize predictive / preview / progressive diallers
• Integrate telephony stack with:

Kafka

RabbitMQ

• Write scalable code for call routing, retry logic, and queue handling
• Work directly on SIP signalling, RTP flows, and debugging call issues
• Handle real-time call events, CDR processing, and logging pipelines
• Optimize systems for high concurrency (thousands of parallel calls)
• Debug production issues like:

Call drops

Latency

One-way audio

SIP failures

Qualifications & Skills

• Bachelors degree in Computer Engineering; Masters is a plus.
• Telephony (Core Requirement)
• Strong hands-on experience with Asterisk
• Deep knowledge of:

SIP / RTP / VoIP

Dialplans

AGI / AMI

• Experience building or maintaining dialers (very important)
• Backend Development
• Strong coding skills in Java (Spring Boot preferred)
• Experience building microservices / APIs
• Comfortable writing high-performance, low-latency code
• Messaging & Event Systems
• Hands-on experience with:

Apache Kafka

RabbitMQ

• Ability to implement event-driven systems
• Scaling & Performance
• Experience handling high call volumes (1000+ concurrent calls)

Understanding of:

• Multi-threading
• Queue management
• Load handling
• Good to Have
• Experience with predictive dialers
• Exposure to WebRTC / real-time communication
• Experience with Docker / Kubernetes
• Understanding of TRAI / Indian telecom ecosystem
• Experience with FreeSWITCH (bonus)

What We Are NOT Looking For

• Pure solution architects who dont code
• People with only theoretical telecom knowledge
• Candidates without real dialer / Asterisk production experience

What We Are Looking For

Someone who has:

• Written real dialplans and backend code
• Debugged live call issues
• Worked on production telephony systems
• A problem solver who can go deep into logs, packets, and code

Impact of the Role

You will directly contribute to building a high-scale telephony + AI voice platform, working on real-time systems that handle thousands of concurrent calls.

About the Role:

We are looking for an experienced VoIP Developer to design, develop, and maintain enterprise communication systems. You will work with Kamailio, OpenSIPS, Freeswitch, and Asterisk to build scalable VoIP solutions.

Skills Required:

• Hands-on experience with Kamailio, OpenSIPS, Freeswitch, Asterisk
• Knowledge of IMS & Diameter
• Proficiency in C / C++ programming
• Strong understanding of TCP/IP, LAN/WAN, VLAN/L3 VPNs
• Good knowledge of SIP/SDP, RTP/SRTP, TLS protocols
• Experience with MySQL / MongoDB
• Understanding of Enterprise PBX features
• Problem-solving and debugging skills
• Good written and verbal communication

Nice-to-Have:

• Building softPBX, Voicemail, ACD, IVRS applications
• Experience with Python, PHP, Java, JavaScript
• Linux administration and command-line skills
• Knowledge of WebRTC, firewall, security
• Familiarity with tools like cmake and git

What We Offer:

• Remote / flexible work options
• Opportunity to work on large-scale VoIP systems
• Collaborative environment with skilled peers

We’re building a powerful, AI-driven communication platform — a next-generation alternative to RingCentral or 8x8 — powered by OpenAI, LangChain, and SIP/WebRTC. We're looking for a Full-Stack Software Developer who’s passionate about building real-time, AI-enabled voice infrastructure and who’s excited to work in a fast-moving, founder-led environment.

This is an opportunity to build from scratch, take ownership of core systems, and innovate on the edge of VoIP + AI.

What You’ll Do

• Design and build AI-driven voice and messaging features (e.g. smart IVRs, call transcription, virtual agents)
• Develop backend services using Python, Node.js, or Golang
• Integrate OpenAI, Whisper, and LangChain with real-time VoIP systems like Twilio, SIP, or WebRTC
• Create scalable APIs, handle call logic, and build AI pipelines
• Collaborate with the founder and early team on product strategy and infrastructure
• Participate in occasional in-person strategy meetings (Delhi, Bangalore, or nearby)

Must-Have Skills

• Strong programming experience in Python, Node.js, or Go
• Hands-on experience with VoIP/SIP, WebRTC, or tools like Twilio, Asterisk, Plivo
• Experience integrating with LLM APIs, OpenAI, or speech-to-text models
• Solid understanding of backend design, Docker, Redis, PostgreSQL
• Ability to work independently and deliver production-grade code

Nice to Have

• Familiarity with LangChain or agent-based AI systems
• Knowledge of call routing logic, STUN/TURN, or media servers (e.g. FreeSWITCH)
• Interest in building scalable cloud-first SaaS products

Work Setup

• 🏠 Remote work
• 🕐 Full-time role
• 💼 Direct collaboration with founder (technical)
• 🧘‍♂️ Flexible hours, strong ownership culture

About Us 

Rezo.ai is an AI-Powered Contact Centre that enables enterprises to enhance customer experience and boost revenue by automating and analyzing customer agent interactions across multiple channels including voice, email, chat/WhatsApp, and social, at the required scale, whilst training agents with minimal costs 

How do we do it 

Rezo’s AI-Powered contact center leverages ground-breaking technologies in AI, ML, ASR, NLP, RPA, and predictive intelligence to transform customer experience and reduce costs by automating, and analyzing social media, whilst coaching them. 

Job Description

• Preference would be given to having experience in IVR and Call Center application development.
• Hands-on experience in Kamailio SIP Server
• Hands-on experience in WEBRTC
• Asterisk integration with PSTN is preferred.
• Asterisk integration with Database (MySQL and MSSQL) with knowledge of queries and stored procedures.
• Scripting with Shell, Perl.
• Experience in installing Hosted VoIP
• 
  Nice to have
• Good knowledge of SIP and IAX.
• MySQL and Telephony Domain.
• Ability to test and troubleshoot Asterisk applications/issues
• Knowledge of C programming in Asterisk

Qualifications

Candidate Profile
The candidate must have:

• 2 - 4 years of experience working on the Asterisk platform.
• Strong Knowledge of PBX, SIP, and RTP protocols.
• Strong knowledge of multi-asterisk server architecture
• Sound knowledge of Asterisk Dial-plan, Asterisk Gateway Interface and Asterisk Manager Interface.
• Worked on Queue, IVR and Voicemail-related applications.
• Expert in Asterisk installation, configuration and troubleshooting.
• Expert knowledge of installing and configuring Asterisk with PSTN card.
• R & D skills in Asterisk.
• Experienced with Linux (LAMP) servers (Centos, Apache, MySQL, PHP)

Required Skills: GSM, Linux, Networking, infrastructure, VOIP, PHP, Perl, SIP, troubleshooting, Python,HTML

• 5+ years of solid experience as an Asterisk Developer
• Must be proficient at developing software using a scripting language. A distinct advantage if you have experience using Python
• Sound knowledge of Asterisk Installation, Configuration, Dialplan, Call troubleshooting (SIP, ISDN)
• Solid experience of working With Linux Operating Systems
• Good understanding of VoIP, SIP, SS7.