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Ragulraj Dhamodharan

Technical Instructor  ·  Freelance Developer  ·  Cybersecurity Educator  ·  AI Automation Builder
Chennai, Tamil Nadu, India
ragulrajdhamodharan@gmail.com
+91 834 437 5441
linkedin.com/in/ragulraj-d
github.com/ragulraj-d
ragulrajportfolio.web.app
Technical Instructor and Freelance Developer with expertise across Cybersecurity, Machine Learning, Networking, and Full-Stack Development. Trained 10,000+ students and professionals across premier institutions with a 4.4/5 feedback rating. At TCS, built enterprise mobile application backends using Spring Boot. Under freelance brand Shivoraa, delivers web apps, mobile apps, and AI automation systems integrating OpenAI, Gemini, and N8n. Dual-certified: Microsoft SC-200 · CCEP · Palo Alto Networks.
Professional Experience
Technical Instructor 2023 — Present
Freelance · Edulateral Foundation / Intel Unnati / NSE Academy / Bajaj Finserv / Naan Mudhalvan
  • Trained 10,000+ students and professionals across SRM University, Joy University, AVIT, Vinayaka Mission's University, and University of Madras colleges
  • Delivered Machine Learning instruction — supervised/unsupervised learning, model evaluation, and end-to-end ML pipelines
  • Conducted hands-on Cybersecurity workshops — SOC operations, SIEM, MITRE ATT&CK, incident response, and KQL
  • Delivered Advanced Python for AI/ML batch of 100+ students at SRM IST Chennai
  • Delivered CCNA-aligned Networking — OSI, TCP/IP, subnetting, VLANs, routing protocols, Cisco Packet Tracer
  • Maintained 4.4/5 average participant feedback rating across all programs and institutions
  • Represented Intel Unnati and Edulateral Foundation for industry-academia engagement programs
Freelance Web & Mobile App Developer 2023 — Present
Shivoraa · Chennai, India (Remote)
  • Built full-stack web applications using Flask & FastAPI with responsive HTML/CSS/JS frontends
  • Developed cross-platform mobile applications using Flutter (iOS & Android)
  • Integrated OpenAI API, Gemini API, and N8n into production-ready AI automation workflows
  • Built enterprise REST APIs and backend systems using Spring Boot for client projects
  • Implemented CI/CD pipelines via GitHub/GitLab across all deliverables
Mobile Application Backend Developer Jun 2024 — Oct 2025
Tata Consultancy Services · Full-time · Greater Chennai Area (Hybrid) · 1 yr 5 mos
  • Developed and maintained mobile application backend systems for enterprise clients at scale
  • Built scalable REST APIs using Spring Boot for high-traffic mobile applications
  • Collaborated with cross-functional teams to deliver production-grade backend services on schedule
  • Implemented CI/CD pipelines and upheld code quality standards across agile sprints
Cybersecurity Intern Mar 2022 — May 2022
AICTE NEAT · Internship · 3 mos · Remote
  • Gained hands-on exposure to cybersecurity fundamentals, threat analysis, and network vulnerability assessment practices
AWS Cloud Intern Oct 2021 — Dec 2021
AICTE NEAT · Internship · 3 mos · Remote
  • Hands-on training with AWS cloud services — EC2, S3, IAM, Lambda; designed and deployed serverless applications
Technical Skills
Cybersecurity & SOCMicrosoft Sentinel, SIEM, SOC Operations, MITRE ATT&CK, Incident Response, KQL, DevSecOps, IAM
NetworkingTCP/IP, OSI Model, Subnetting, VLANs, DNS/DHCP, Cisco Packet Tracer, Wireshark
ProgrammingPython, Java, Flutter/Dart, JavaScript, HTML, CSS
DevOps & ToolsDocker, GitHub, GitLab, CI/CD, Linux CLI, Windows Server
Operating SystemsWindows 10/11, Windows Server, macOS, Android, iOS, Ubuntu, Linux Mint, Pop!_OS, Kali Linux, Parrot OS
Web & Mobile DevFlask, FastAPI, Spring Boot, Flutter, REST APIs, Postman
AI & AutomationOpenAI API, Gemini API, LangChain, N8n, Prompt Engineering, Vibe Coding
ML & Data ScienceTensorFlow, PyTorch, Scikit-learn, NumPy, Pandas, Model Evaluation
Training & EducationCurriculum Design, Corporate Training, Instructional Design, Lab Development
Certifications
Microsoft SC-200
Security Operations Analyst Associate · Microsoft
CCEP — Certified Cybersecurity Educator Professional
Red Team Leaders
Fundamentals of Cloud Security
Palo Alto Networks Academy
Fundamentals of Network Security
Palo Alto Networks Academy
Introduction to Cybersecurity
Palo Alto Networks Academy
Training Partners & Institutions
Academic Institutions
SRM University Joy University AVIT Vinayaka Mission's University University of Madras Colleges
Corporate & Government Programs
Intel Unnati Naan Mudhalvan Bajaj Finserv NSE Academy Edulateral Foundation
Education
B.E. Computer Science and Engineering
M. Kumarasamy College of Engineering, Tamil Nadu
Key Achievements
10,000+
Students & Professionals Trained
4.4 / 5
Average Feedback Rating
1,100+
LinkedIn Followers
Delivered ML instruction at Joy University for B.Tech students
5-day Cybersecurity workshop at AVIT — 60+ students trained
Advanced Python for AI/ML batch of 100+ at SRM IST Chennai
BFSI technology training at Bajaj Finserv & NSE Academy
Built production AI automation tools using OpenAI API and N8n
Represented Intel Unnati for industry-academia programs
SC-200 & CCEP dual-certified active Cybersecurity Instructor
Shipped full-stack and mobile apps across 5+ client projects
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