Sounak Das

A POSIX-compliant Unix shell built from scratch in Go. Implements process lifecycle management, N-stage concurrent pipelines via os.Pipe() and goroutines, a background job manager with mutex-guarded state, and a programmable tab completion engine with LCP logic and external completer script support.

Distributed code execution platform in Go — RabbitMQ for async job queuing, Isolate for sandboxed resource-limited execution (CPU, memory, time) across multiple languages. Real-time verdict delivery via SSE, REST API on Echo/PostgreSQL, Next.js frontend.

GLUG's Networked Compute System — a VM provisioning platform built for the NIT Durgapur CS department. Students and lab instructors manage virtual machines through a Next.js dashboard over the college intranet; the backend orchestrates Vagrant + QEMU/KVM to spin up and tear down VMs, with Ansible handling configuration management and APScheduler driving scheduled jobs. Provisioned VMs are accessed exclusively via SSH — the FastAPI backend and Nginx reverse proxy sit entirely server-side.

Architected and operated the Kubernetes infrastructure for FoobarCTF 2025 as Tech & Cybersecurity Head at GLUG NIT Durgapur — containerized challenges deployed for high availability and auto-healing under load from 300+ global participants.