Siddhartha Katiyar

Siddhartha Katiyar

Building Jsmon · Software Engineer

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India

Software engineer specializing in production-grade security systems, backend infrastructure, and multi-language codebases. Currently at Jsmon, an early-stage attack surface management startup, where I design distributed systems and move fast on hard problems.

Experience

Software Development Engineer I
Jsmon
Nov 2024 – Present
Noida
  • Led a major 110M+ row database migration from MongoDB to PostgreSQL for a high-traffic security platform.
  • Designed and implemented a distributed caching layer using Redis, improving response times by 80%.
  • Refactored monolithic backend services into event-driven microservices to handle 10k+ requests/second.
  • Developed a high-throughput web artifact ingestion pipeline using AWS, ClickHouse, and TypeScript.
  • Built an Automated Attack Surface Management (ASM) system and 50+ Nuclei templates for security detection.
PostgreSQLRedisTypeScriptAWSClickHouseGoNuclei
Technical Intern I
Cisco
Jan 2025 – Jun 2025
Bengaluru
  • Developed a Programmability Dashboard for Cisco's Polaris OS (CLI, TDL, YANG models).
  • Built a zero-installation SSH CLI tool that reduced network analysis time in distributed environments by 98%.
  • Implemented structured Python parsers for programmable interfaces across multiple network platforms.
  • Created a React-based data visualization dashboard for analyzing network scalability impacts.
PythonReactSSHYANGNetwork Automation
FTC – Technology Intern
Fidelity International
Jun 2024 – Jul 2024
Gurugram
  • Designed private key management strategies and reverse-engineered the MetaMask extension to build a custom custodian crypto wallet.
  • Implemented secure backend infrastructure on AWS for managing high-value digital assets.
  • Developed an Ethers.js integration module for seamless blockchain interaction within the wallet.
ReactJSExpressJSAWSEthers.jsBlockchain
Software Engineer Intern
Siemens
Jun 2023 – Jul 2023
Gurugram
  • Built 'ChatConnect,' a full-stack real-time messaging application using Java, Spring Boot, and PostgreSQL.
  • Implemented a secure authentication system using Spring Security and JWT (HS256).
  • Developed a responsive frontend with Next.js and integrated WebSocket for low-latency communication.
Spring BootNext.jsPostgreSQLSpring Security

Skills

Backend & Systems

Node.jsGoPythonJava (Spring Boot)TypeScriptFastAPIC++

Cloud & Infrastructure

AWSDockerDistributed SystemsLinux

Frontend

ReactNext.js

Databases

PostgreSQLMongoDBRedisClickHouseMySQL

Security

NucleiAttack Surface ManagementBug BountyRecon Automation

Education

Jaypee Institute of Information Technology

B.Tech in Computer Science

Oct 2021 – May 2025
Noida, India

New Kingston Senior Secondary School

Intermediate (Class XII)

2019 – 2021
Kanpur, India

Honors & Awards

  • Codeforces Expert

    Peak Rating: 1735 (Top 0.8% in India)

  • CodeChef 5-Star

    Peak Rating: 2068 (Top 0.2% globally)

  • LeetCode Knight

    Peak Rating: 1895 (Top 5% globally)

  • NTSE Scholar

    Selected among top 2,000 students from 1M+ applicants nationwide.