Sajal Kumar

Sajal Kumar

B.E. Information Science & Engineering | Bengaluru | Passionate about Distributed Systems, Cloud & DevOps

Welcome to My Personal Site

Hi, I’m Sajal Kumar! 👋

I’m an Information Science & Engineering student based in Bengaluru, passionate about the inner workings of distributed systems and scalable infrastructure. I enjoy exploring topics around cloud computing, DevOps practices, and building systems that are not just functional, but scalable and resilient. I’m particularly drawn to projects that solve real-world problems through thoughtful infrastructure and system design.

🚀 What I’m Working On

My current focus is on developing cutting-edge solutions at the intersection of AI and cybersecurity. I’m building an LLM-based Cyber Threat Intelligence System that leverages advanced language models and vector databases to automate network traffic analysis and threat detection.

💻 Technical Expertise

I’m proficient in programming languages including Go, Python, Java, and JavaScript, with hands-on experience in:

  • Cloud & DevOps: Docker, Kubernetes, Jenkins, Azure, Ansible
  • Web Development: React, Node.js, Express.js
  • Databases: PostgreSQL, MongoDB, SQLite
  • AI/ML: LangChain, ChromaDB, Streamlit, LLMs

🏆 Recent Achievements

  • All India Rank 6 out of 400,000+ participants in NCAT 2025 (₹50,000 prize)
  • 2nd Place in the international Proggy-Buggy Towel Day Programming Contest 2025 organized by DataArt, New York.
  • 200+ problems solved on competitive programming platforms
  • Two-time hackathon winner at college level

LLM-based Cyber Threat Intelligence System

An AI-driven network traffic analysis system achieving 75% classification accuracy on real-world malware datasets.

STRbook

A full-stack web application digitizing student transformation records for educational institutions.

ordo

A distributed container orchestration system built from scratch in Go, featuring custom scheduling algorithms.

raftly

A Java implementation of the Raft Consensus Algorithm for distributed systems.

🌟 Beyond Code

As a core member of the Google Developer Student Club, I organized technical workshops and supported students in exploring new technologies. Outside of coding, I’m passionate about Linux ricing and customizing Android ROMs, where I love fine-tuning systems for optimal performance, clean aesthetics, and a highly personalized workflow.

📫 Let’s Connect!

Feel free to reach out for collaborations, discussions about anything, or just a friendly chat about tech!