Telephony/VoIP Engineer

Work with us

Career @ Bluebash
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Telephony/VoIP Engineer (CCaaS/CPaaS Specialist): 5-15 years Experience

Experience: 5 – 15 Years

Location: Mohali, Punjab

Employment Type: Full-time

About Us :

We are an AI Voice Agent startup building the next generation of intelligent, human-like voice assistants for businesses. Our platform integrates with telephony systems, CCaaS/CPaaS providers, and modern AI technologies to deliver seamless customer experiences. We are looking for a Telephony/VoIP Engineer who can accelerate our expertise in telephony infrastructure and voice technologies.

Key Responsibilities

• Design, develop, and optimize telephony solutions integrating with Asterisk, FreeSWITCH, and other CPaaS platforms (Twilio, Vonage, Plivo, etc.).
• Architect scalable and reliable CCaaS/CPaaS workflows for inbound and outbound voice communication.
• Collaborate with AI/ML engineers to integrate AI-driven voice agents with traditional and modern telephony stacks.
• Troubleshoot and optimize call quality, latency, SIP/RTP handling, NAT traversal, and codec performance.
• Build automation scripts, monitoring tools, and APIs in Python to manage and extend telephony systems.
• Ensure compliance with VoIP standards and protocols (SIP, RTP, WebRTC, SRTP, DTMF, IVR).
• Collaborate with product and infrastructure teams to deliver carrier-grade voice reliability.
• Research and implement new technologies in voice processing, call analysis, and AI-driven telephony workflows.

Required Skills & Experience

• 5+ years of experience in the Telephony/VoIP domain.
• Deep knowledge of Asterisk, FreeSWITCH, and/or other open-source PBX systems.
• Strong understanding of SIP, RTP, WebRTC, VoIP codecs (G.711, G.729, Opus, etc.), and telephony protocols.
• Experience with CCaaS/CPaaS solutions (Twilio, Vonage, SignalWire, Plivo, etc.).
• Hands-on experience with Python for automation, API integration, and backend development.
• Knowledge of call routing, IVR design, conferencing, and voicemail systems.
• Familiarity with cloud environments (AWS, GCP, Azure) for deploying telephony systems at scale.
• Solid troubleshooting skills in networking (SIP traces, Wireshark, NAT issues) and carrier interconnects.

Preferred/Good to Have

• Experience with AI Voice, Speech-to-Text (STT), and Text-to-Speech (TTS) integration.
• Exposure to Kafka, RabbitMQ, ActiveMQ, or other messaging systems for real-time call event handling.
• Prior work in contact center solutions (CCaaS) or customer engagement platforms.
• Contributions to open-source telephony projects.

Process of Interview

The selection of any candidate is purely dependent on their performance in the interview process. Generally, there are three stages in the interview process which are as follows.

Aptitude Test

This part of interview is the First stage where you need to perform a program practically and show the output of the same.

Technical Interview

If you score good Next will be a panel interview with our technical team, be prepared to answer what you've learned so far.

HR Interview

A series of questions to assess your background & fitment in our company. Then a super welcome after mutual agreement.

Culture At Bluebash

Shared Values, Mindfulness, Trust, and Learning Through Innovations are keys to our success.

Mindfulness

Mindfulness and realistic skill-sets are the center of our culture in day-to-day communication and execution.

Mentorship

Leading from the front, mentorship assists us to grow personally and professionally.

Transparency and Autonomy

Everyone independently understands their roles & responsibilities in making decisions.

Happiness

We believe success is only possible if we keep both our clients as well as employees satisfied & engaged.

A Healthy Environment

Be it development, sales, or marketing - whatever we do, we do it as a team. We organize fun-filled events.

Exceptional Benefits

You get all employee benefits—enough leaves, vacation time, and awards with other work benefits.

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