Chayan Gurele

Backend Engineer
Banglore, India.

About

A backend engineer with 3 years of experience building scalable distributed systems and microservices in cybersecurity. Adept at leading feature development, collaborating cross-functionally, and delivering high-performance backend solutions in fast-paced environments.

Work

Versa Networks
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Software Engineer

Summary

Intrusion Prevention System(IPS) — IP-filtering

Highlights

Developed a core Java-based backend service to aggregate and process threat intelligence feeds from multiple sources for Versa Networks' Intrusion Prevention System (IPS).

Contributed to the development of the backend of Versa Director UI Dashboard, a configuration, and monitoring platform used by 10,000+ enterprise clients, leveraging technologies such as Java, Spring Boot.

Worked with cross-functional teams to implement scalable REST APIs and service integrations for metadata scanning of compressed files (CXOB, 7zip).

Developed keywords to integrate CVE signatures (e.g., CVE-2023-32985) and enable detection of obfuscated threats in HTTP/HTTPS traffic.

Built a cloud-delivered dynamic IP intelligence system using radix trees, reducing threat response time and enabling real-time firewall decisions.

Designed and automated third-party database ingestion and conversion pipeline (CSV to MaxMind DB) using Golang and Python.

Enhanced firewall rules engine to support anycast traffic filtering and DNS-based IP verification to reduce false positives.

Introduced traffic redirection logic and CLI tools for threat debugging using C++, XML, and YANG-based models.

Versa Networks
|

Software Engineering Intern

Summary

Firewall and CLI Enhancements

Highlights

Extended NGFW CLI using YANG models to support advanced IP filtering and logging configurations.

Enabled seamless handling of anycast TCP/IP traffic in the firewall layer, improving scalability of network services.

Education

Indian Institute of Information Technology Guwahati

B.Tech

Computer Science and Engineering

Awards

HACKSAGON 2020 IIITM Gwalior Finalist

Secured finalist position in national-level hackathon for building an end-to-end prototype under tight deadlines and cross-functional collaboration.

Skills

Frameworks/Tools

SpringBoot, MySQL, Git, Jenkins, AWS, Wireshark, Valgrind, GDB, Cscope.

Languages

Java, C, C++, Golang, Python, JavaScript.

Projects

Ambulance Tracker Application

Summary

Developed real-time tracking app using Node.js, Express.js, Cordova, MySQL, and Google APIs to coordinate ambulances with campus authorities and students. Deployed backend services on AWS, optimized queries, and built role-based dashboards for drivers, students, and admins.