Hey, I'm Deepanshu

Building real-time communication infrastructure and tinkering with distributed systems

Hi, I'm Deepanshu—a full-stack engineer passionate about WebRTC, real-time communication, and distributed systems.

For the past 4.5 years, I worked at Huddle01 as the Founding and Lead Engineer. I led a development team of 10-12 engineers. During my time at Huddle01, we built:

  • Scaled WebRTC & WebSocket Infrastructure

    Architected and implemented "Cascading," a horizontally partitioned WebRTC SFU topology inspired by database sharding. This enabled us to reliably support 10,000+ concurrent users per room with sub-100ms latency, significantly improving global latency and bandwidth efficiency. Migrated from JSON to Protobufs, reducing message size by 60% and more than doubling throughput per WebSocket instance (we use uWebSockets)

  • NFT indexing service

    Built an NFT indexer because phantom acquired simplehash and shut it down. Used Rust to leverage memory safe multithreading and indexed and cached a few terabytes of NFTs in S3 bucket.

  • Designed and developed various SDKs

    Architected frontend and backend SDKs for interacting with our real-time communication service with a nice easy to use DX and flexibility to mould it into any requirements.

  • Architected recording service

    Developed a recording service using ffmpeg, puppeteer, xvfb, pulse audio, node.js and typescript, and deployed using kubernetes, which helped in auto-scaling pods whenever there was high load.

  • Managed deployment pipeline

    Deployed services to bare metal servers to save costs and set up CI/CD pipeline to deploy on bare metal. Earlier used AWS to deploy service to lambda and fargate.

  • Migrated from Monolith to Modular Architecture

    Led the transition from a tightly coupled monolithic system to a modular, event-driven architecture using gRPC. This allowed independent scaling, zero-downtime deployments, and clearer ownership, boosting developer productivity and operational stability as our engineering team grew.

  • Led the team to build various client facing products

    Huddle01 meeting app, dashboards for managing meetings, chrome extension, gcal adons, node sales platform, farhouse.

Side Projects

Cheers,
Deepanshu