Technology Lead · Knowlarity × GupShup

Mayukh
Dev

Architect & engineer of voice communication systems.
Deep expertise in SIP, WebRTC, FreeSWITCH
and cloud-native telecom infrastructure at scale.

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Mayukh Dev
voice-stack — bash
› whoami
mayukhdev — technology-lead @ knowlarity
 
› cat expertise.txt
SIP · Kamailio · RTPEngine · RTP/SRTP
FreeSWITCH · mod_callcenter · mod_verto · mod_audio_fork
Janus Gateway · AudioBridge · WebRTC · MCU
AWS · Kubernetes · Docker · Serverless
Kafka · RabbitMQ · Redis · Python
 
› uptime --years
8+ years, 10+ technologies, 10K+ concurrent calls
 
›
8+
Years in Industry
10+
Technologies
10K+
Concurrent Calls
8
Engineers Led
01 — Expertise

Core Disciplines

◈

Voice & SIP

Deep expertise in SIP protocol stacks and real-time VoIP. Built and deployed across 2 production projects spanning AWS cloud and on-premises infrastructure.

SIP VoIP RTP/SRTP Kamailio RTPEngine AWS On-Prem
◫

WebRTC & Media

Browser-native real-time communication using Janus Gateway in MCU mode. Integrated the SIP plugin for PSTN bridging and AudioBridge plugin for multi-party conferencing.

WebRTC Janus Gateway SIP Plugin AudioBridge MCU DTLS ICE
◬

FreeSWITCH

Custom builds leveraging mod_callcenter, mod_verto, and mod_audio_fork alongside core dialplan engineering and HA deployment. Handling 10K+ concurrent sessions in production.

FreeSWITCH mod_callcenter mod_verto mod_audio_fork mod_sofia ESL Dialplan HA Setup
◰

Cloud Architecture

Comfortable designing end-to-end system architecture on AWS — from SIP infrastructure and REST APIs to serverless pipelines. Focused on scalable, production-ready design over implementation specifics.

AWS Kubernetes Docker Serverless REST APIs SIP Infra
◎

Messaging & Streams

Event-driven architecture with high-throughput messaging pipelines. Building resilient real-time systems for telecom data at volume.

Kafka RabbitMQ Redis Python
◷

Technical Leadership

Leading cross-functional engineering teams through architecture decisions, sprint planning, and mentoring in high-growth startup environments. Strong communicator across technical and non-technical stakeholders.

Team Lead Architecture POC / R&D Mentoring Agile Communication
02 — Work

Selected Work

Call Center Platforms

Designed and led the build of enterprise call center systems with FreeSWITCH at the core — covering ACD queuing, IVR flows, WebRTC agent interfaces, real-time dashboards, and CDR pipelines. Handling 10K+ concurrent calls in production.

FreeSWITCH mod_callcenter WebRTC IVR Kafka
WebRTC Communication Systems

Architected multi-party voice and conferencing platforms using Janus Gateway in MCU mode — integrating the SIP plugin for PSTN bridging and AudioBridge for conference rooms, deployed on AWS with Kubernetes.

Janus Gateway AudioBridge SIP Plugin AWS Kubernetes
SIP Infrastructure & Routing

Built SIP trunking and routing layers using Kamailio and RTPEngine across both AWS and on-premises environments — handling failover, load balancing, and media proxying for high-availability voice networks.

Kamailio RTPEngine SIP Trunking HA On-Prem
03 — Contact

Let's build
something
great.

Open to discussing voice communication projects, technical challenges, and collaboration opportunities. I'm especially interested in innovative problems at the intersection of telecom and cloud — particularly Voice AI, automation, and building high-performing teams.