Building secure, intelligent systems for real-world use.
Security-focused software engineer working across cybersecurity, AI/ML, and backend development.
I'm Srijan Kumar, a security-focused software engineer building intelligent, resilient systems at the intersection of cybersecurity and AI/ML. I design scalable backend solutions that prioritize real-world security and usability.
My experience includes working as an AI Intern at SPARKIIT and contributing as a Guest Blogger at the DEV Community, where I break down complex engineering and security problems into actionable solutions.
Core Expertise
Cyber & Secure Development
AI & Machine Learning
Languages & Tooling
Professional Experience & Contributions
Guest Blogger, Technical Writer & Ghost Writer
DEV Community (Forem) | Nov 2023 – Present
- Published 25+ high-impact technical articles on cybersecurity, C++, and AI, achieving 12,000+ cumulative organic views in 6 months through strategic SEO optimization.
- Authored 30+ ghostwritten articles across diverse tech topics, collaborating with the community to identify trending topics and increasing article relevance by 25%.
- Educated beginner-to-intermediate developers through clarity-focused content structure, resulting in consistent feature placements.
Artificial Intelligence Intern
SPARKIIT | June 2025 – August 2025
- Developed 5 end-to-end ML projects (classification, regression, recommendation), achieving 82-100% model accuracy through systematic data preprocessing.
- Engineered modular codebase architecture, reducing code complexity by 40% and enabling 20% faster project iteration cycles.
- Implemented supervised learning algorithms using Scikit-learn, applying advanced feature engineering techniques (StandardScaler, One-Hot, TF-IDF).
Technical Trainee - Industrial Training
Indian Railways (Modern Rail Coach Factory) | June 2025 – July 2025
- Completed one-month technical training, gaining practical exposure to industrial processes, machinery operations, and workflow optimization.
- Applied analytical and problem-solving skills to understand manufacturing systems and technology integration.
Web Development Intern
CodSoft | April 2025 – May 2025
- Developed 3 responsive front-end projects (landing page, calculator app, portfolio website) using HTML5, CSS3, and JavaScript.
- Implemented CSS Grid and Flexbox layout systems to create pixel-perfect UI designs with 95% cross-browser compatibility.
Selected Projects & Simulations
MM-CT-DAS: Multi-Modal Threat Detection System
Focus: Cybersecurity, AI/ML, C++
A Production-Ready Cybersecurity Detection System utilizing trained ML models for comprehensive threat analysis. Showcases skills in C++, security architecture, and AI-driven defense.
View GitHub RepoThreatFusion: Modular Threat Detection Suite
Focus: Multi-Layered Security, C++, Python, Go
Modular project combining C++, Python, and Go to deliver multi-layered threat detection through network scanning, log analysis, and behavioral monitoring for comprehensive security assessment.
View GitHub RepoShieldBlocker-V8: Cross-Browser Ad Blocker
Focus: Browser Security, JavaScript, WebExtensions
A lightweight, cross-browser (Chrome and Firefox) ad blocker powered by WebExtension APIs. Blocks intrusive ads using static filter rules and allows per-site control.
View GitHub RepoAIO-SDMS: All-in-One System Monitoring Suite
Focus: Diagnostics, System Health, C++
A comprehensive tool suite combining battery monitoring, hardware diagnostics, and system package management into a single application with multiple interface options. Ongoing development.
View GitHub RepoThreatViz: Cybersecurity Threat Intelligence Dashboard
Focus: Threat Intelligence, Network Security, C++
ThreatViz is a modular cybersecurity project that combines C++, Python, and Go to deliver multi-layered threat detection through network scanning, log analysis, and behavioral monitoring for comprehensive security assessment.
View GitHub RepoPDF Downloader
Focus: PDF Management, Downloading, and Processing
A professional Tkinter-based PDF downloader with concurrent downloads, network speed monitoring, and pause/resume functionality. Easily build standalone executables for Windows, Linux, and macOS.
View GitHub RepoEducation & Certifications
Key Certifications & Training
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Deloitte Australia - Cyber Job Simulation
Focus: Practical Cyber Scenarios, Incident Response.
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Tata Group - Cybersecurity Analyst Job Simulation
Focus: Analyst Workflow & SOC Triage.
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Career Essentials in Cybersecurity (Microsoft & LinkedIn)
Focus: Foundational Security Principles.
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Technical Training at Modern Rail Coach Factory
Focus: Industrial processes and technology integration.
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Acmegrade Certification for Cybersecurity
Focus: Technical Training & Concepts.
Education
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B.Tech, Computer Science and Engineering
I. K. Gujral Punjab Technical University (IKGPTU) | Expected: July 2027
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Senior Secondary (11th & 12th) - Math & Science
Maharani Kalyani College | 2021 - 2023
Get In Touch
I'm actively seeking opportunities to build secure and intelligent systems. Let's collaborate!