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Fatih Sencer

Senior Security Engineer
14 April 2000
  • Successful Projects
    0
  • Services Delivered
    1
  • Completed Services
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  • Services Pending
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Freelancer Information

I am a cybersecurity professional with over 5 years of hands-on experience in offensive security. I specialize in identifying real-world vulnerabilities in complex systems, combining technical expertise with a strong understanding of attacker methodologies. With a background in web, mobile, API, and AD network security, I deliver high-quality assessments backed by in-depth manual testing and secure coding knowledge. I hold several advanced certifications including OSCP, OSWE, and WPTXv2.

Skills & Services Offered:

✅ Web application penetration testing
✅ API security testing
✅ Mobile application security testing (Android)
✅ Active Directory and internal network assessments
✅ Manual code review for vulnerability discovery
✅ Secure architecture and logic flaw analysis

Programming Languages:

🟢 PHP
🟢 Go
🟢 Python
🟢 JavaScript


Freelancer Education

B
2018-2022 B.Sc. in Computer Engineering
Konya Technical Univercity

Work & Experience

R
June 2024 Red Team Member
Synack

As a Red Team Member at Synack, I actively participate in bug bounty programs to identify and exploit vulnerabilities in various systems. My key responsibilities include: - Performing advanced penetration testing - Collaborating with other security researchers - Reporting and documenting discovered vulnerabilities - Enhancing security measures through continuous testing and feedback

S
Oct 2023 - Oct 2024 Senior Security Consultant
Deloitte

As a Senior Security Consultant at Deloitte, I specialize in delivering comprehensive offensive security to identify and mitigate potential security threats. My responsibilities include: - Leading and managing Red Team operations - Training and mentoring team members - Conducting web, mobile, and API penetration testing - Managing vulnerability assessments - Overseeing customer relationships and ensuring client satisfaction - Developing tools based on project needs - Managing Cyber Threat Intelligence (CTI)

R
Dec 2022 - Oct 2023 Red Team Security Engineer
Gais Cyber Security

I was a Red Team Security Engineer at Gais Cyber Security, where I conducted a wide range of penetration testing activities. My primary duties included - Conducting extensive web application testing - Evaluating the security of mobile applications - Assessment of API application vulnerabilities - Performing comprehensive internal network tests - Managing and mitigating customer-reported vulnerabilities - Lead and develop security projects to improve overall system security Conducting physical security tests to identify and exploit vulnerabilities in hardware and physical access controls

C
Nov 2021 - Nov 2022 Cyber Security Assistant Specialist | Red Team
Türk Telekom

As a Cyber Security Assistant Specialist on the Red Team at Turk Telekom, I was responsible for a variety of security assessments and vulnerability management tasks. My key responsibilities included: - Managing internal vulnerability assessments - Handling customer vulnerability management - Performing internal network penetration tests - Conducting web application penetration tests - Testing mobile applications for security vulnerabilities - Conducting API penetration tests


Awards

O
Apr 2024 OSWE
W
May 2023 WAPTX