VoIP Developer

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

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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

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

Key Responsibilities

• Design, configure, administer, and troubleshoot Cisco Voice and Collaboration environments.
• Hands-on experience with Cisco CUCM (Call Manager) administration, configuration, upgrades, and troubleshooting.
• Manage and support Cisco Unity Connection for voicemail and unified messaging.
• Configure and troubleshoot Ribbon SBC / PSX for SIP signaling, call routing, and voice connectivity.
• Troubleshoot SIP, RTP, TCP/IP, DNS, and voice call-flow issues.
• Configure and maintain Cisco IP Phones, gateways, trunks, dial plans, route patterns, translation patterns, and partitions/CSS.
• Monitor voice infrastructure and resolve incidents, service requests, and performance issues.
• Perform voice platform upgrades, patching, migrations, and production changes.
• Work with network, security, and application teams to resolve complex voice and connectivity issues.
• Maintain technical documentation, configuration standards, and operational procedures.

Required Skills

• Strong experience in Cisco Voice / Collaboration technologies.
• Cisco CUCM – Administration and troubleshooting.
• Cisco Unity Connection – Administration and troubleshooting.
• Ribbon SBC / PSX – Configuration and troubleshooting.
• Strong knowledge of SIP, RTP, VoIP, TCP/IP, DNS, and networking fundamentals.
• Experience with SIP Trunks, dial plans, gateways, route patterns, and call routing.
• Good troubleshooting and incident management skills.
• Exposure to monitoring tools and ITIL-based support processes is an added advantage.