Chirag S.Modi

I’m a Backend Software Engineer with a strong focus on real-time communication, high-performance networking, and distributed systems.

Currently, I work at Wrktalk Digisec AI Pvt. Ltd., where I build and optimize real-time audio and video calling infrastructure using WebRTC and mediasoup. I’ve worked on reducing end-to-end call latency and scaling the platform’s calling architecture from 20 to 50 participants per call, with a focus on performance, reliability, and scalability.

I completed my M.Tech in Computer Science from IIT Gandhinagar in 2025. My thesis, guided by Prof. Sameer G. Kulkarni, focused on high-performance networking in Linux. I worked extensively with DPDK, user-space networking, TCP/IP stacks, and packet-processing optimization, and built a high-performance DNS resolver using DPDK. I also explored containerized networking using AF_XDP and Multus CNI.

Previously, I was a Founding Engineer at Kapidhwaj.ai, where I worked on a real-time IP camera surveillance platform. I designed low-latency cloud streaming solutions, built WebRTC pipelines for real-time video delivery, and developed a Node.js application for managing cameras on Raspberry Pi devices.

Before that, I worked as a Software Engineer at WiseDV Inc. on Buzu, a WebRTC-based video conferencing platform. I developed features such as closed captions, meeting recordings, and desktop notifications using Electron, and contributed to scaling the media and signaling infrastructure from a monolithic architecture toward a distributed, horizontally scalable system on AWS.

I enjoy solving complex engineering problems, particularly those involving networking, real-time systems, distributed architectures, and performance optimization.

I also have a passion for competitive programming, with a maximum LeetCode rating of 1675 and over 950 problems solved.LeetCode Profile

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Technical Skills

Languages: C, Python, Java, JavaScript, GoLang
Databases: MySQL, MongoDB, ElasticSearch
Developer Tools: AWS, GCP, Git/GitHub, Docker, Kubernetes, Wireshark
Frameworks: MEAN Stack, WebRTC, Electron, OpenMP, MPI, DPDK, Mediasoup, MediaMTX Coursework: Parallel & Distributed Systems, Advanced Computer Networks, Machine Learning, NLP, Network Security, 5G & Beyond, Data Structures & Algorithms

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Roles I Excel In

• Developer: Building scalable, real-time systems with strong backend and systems programming expertise.
• Problem Solver: Adapting to a wide range of engineering challenges across domains.