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James E.JE

James E.

Hacker Freelancer

€579/day
Madrid, ES
8-15 years

Average response time: 24 hours

About James

Hacker with 8 years of experience in pentesting web, mobile, external, internal and wireless networks.
I've conducted investigations of VIP, enterprises and information leaks on the Dark Web.
I've done red team exercises, and physical assessments.

I'm able to adapt and do multiple type of assessments, like help you find threats to your enterprise, conduct investigations of possible leaks of information, and help you secure your assets.
  • Spanish

    Native or bilingual

  • English

    Conversational

Can work on-site
Madrid (up to 50km)

Experience

  • freelance
    Hacker Freelancer
    July 2025 - Today (11 months)
    Ethical hacker where I work with multiple clients doing assessments to their infrastructure and their webs, and also helping them with what they have exposed and how to solve it. Also working on other side projects with the law enforcments, helping them with investigations on the clearnet and on the Dark Web, also I create some tools to try to deanonimize websites on the TOR network. In my spare time I work on side projects and as a Bugbounty Hunter in various platforms.
    Cybersecurity engineer for a start-up developing OTT products for various platforms and clients. My day-to-day tasks included verifying the security of their assets, mapping their infrastructure, conducting periodic audits of their websites or mobile applications, assisting with incident response, and proposing security improvements for the company, such as anti phishing measures, asset monitoring, etc. Stress tests were also conducted on various assets, and the daily delivery of CVEs affecting the organization was automated.
    Dark Web Cybersecurity OSINT Linux Pentesting
  • Plenitas
    Cybersecurity Engineer
    February 2025 - July 2025 (5 months)
    Cybersecurity engineer for a start-up developing OTT products for various platforms and clients. My day-to-day tasks
    included verifying the security of their assets, mapping their infrastructure, conducting periodic audits of their websites or
    mobile applications, assisting with incident response, and proposing security improvements for the company, such as anti-
    phishing measures, asset monitoring, etc.
    Stress tests were also conducted on various assets, and the daily delivery of CVEs affecting the organization was
    automated.
  • freelance
    Hacker Freelancer
    November 2023 - February 2025 (1 year and 3 months)
    Ethical hacker where I work with multiple clients doing assessments to their infrastructure and their webs, and also helping them with what they have exposed and how to solve it. Also working on other side projects with the law enforcments, helping them with investigations. In my spare time I work on side projects and as a Bugbounty Hunter in various platforms.

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Education

  • Higher Telecommunications Engineering
    (Universidad Carlos III
    2016
    Higher Telecommunications Engineering
  • Course Practical Ethical Hacking
    Udemy
    Course Practical Ethical Hacking

Skill set

Categories