Sanuja Seneviratne

+94 764685938 • Kundasale, Kandy, Sri Lanka

Email: sanujas@sanuja.biz

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Certifications & Summary

CEH Badge for Sanuja Seneviratne IPv6 Certification Badge
Certified Ethical Hacker (CEH)
EC-Council (2025) (ECC8472153906)

An expert in developing and maintaining web applications and cybersecurity tools. Deep experience in Linux administration and server hardening.

Other Certifications:
  • Hurricane Electric IPv6 Certification (Sage), [2023]
  • Certificate in Office Applications Course (ICT E.C - S.W.R.D.B. N.S), [2017]
  • Educational Course on Leadership Skills Development (NCLD), [2015]

Skills

Technical Skills

  • Penetration Testing
  • Programming (Python, JavaScript, PHP)
  • Full-stack Development
  • Encryption & Cryptography
  • Web Application Security & Monitoring
  • Network Monitoring Tools
  • Linux Administration & Hardening
  • Script/Automation (BASH, Python)

Soft Skills

  • Problem-solving
  • Attention to Detail
  • Critical Thinking

Education

Languages

Projects & Achievements

Websites & Tools

  • Portfolio Website
  • Blog
    Technical articles and tutorials: sanujas.com
  • Uptime Monitoring System
  • Web Tools
    Developed and maintained multiple web-based tools and services with high availability.
    • YourIP: User IP display with network details. (Website) (API)
    • IP Address & Domain Lookup: IP & domain information lookup service. (Link)
    • Web Radio Player: My own web radio player. (Link)
    • Web Music Player: Developed two web music players. (Link)
    • Social Media Downloader: Developed multi-platform content download utility and its APIs. (Link)
    • URL Redirect Checker: Developed a tool to trace complete redirect chains of any URL. (Link)

GitHub Contributions

  • tgbot-collection/ytdlbot
    Python-based telegram bot
  • RiverTwilight/Geekits
    Contributions for English translations
  • HirotakaDango/PHP-Music
    Music player built in PHP. Contributed to sound control and UI components
  • My FOSS Projects
    SN_Twi_DL,  SanujaPut_InstaDL_Bot,  CEYPETCO-Price-Tracker

Telegram Bots

  • S-Translator Bot
    Privacy friendly, zero log translator bot on telegram. (Link)
  • S-Image-Converter Bot
    Telegram bot for converting and resizing images. (Link)
  • S-URL Redirect Checker Bot
    Telegram bot to trace URL redirects. (Link)

I hereby declare that all the information provided above is true to the best of my knowledge.

Sanuja Seneviratne