Sheikh Faiyaz Ahmed
QA Specialist | Security Tester | Automation Expert
"Securing systems, automating quality, and breaking things, before attackers do."
About Me
I'm a passionate security engineer who thrives on the intersection of offensive security, quality assurance, and artificial intelligence. My approach combines technical expertise with creative problem-solving to identify vulnerabilities before they become threats.
What I Bring to Your Team
Reduced security incidents by 85% through early detection
Automated 1000+ hours of manual processes
Led security assessments for 200+ payment integrations
Uncovered critical vulnerabilities across multiple high-impact systems
Built custom scripts to validate API and payment integrations
Available for immediate start (remote)
Ready to Collaborate
Whether you need security assessment, QA automation, or red team services, I'm here to help secure your digital assets.
Open to full-time, contract, and consulting roles. Remote-first with occasional travel.
Technical Skills
A comprehensive toolkit for security assessment, quality assurance, and automation
Security Testing
QA Automation
AI Tools
Cloud Technologies
Security Tools
Programming
Databases & More
Certifications & Credentials
Professional certifications validating expertise in security and cloud technologies

Certified Penetration Testing Specialist (CPTS)
Hack The Box
Advanced penetration testing methodologies and red team techniques

CPISI-D
Payment Card Industry
Payment Industry Security Implementer certification
AWS Cloud Practitioner Essentials
Amazon Web Services
Cloud fundamentals and AWS core services
Professional Experience
Building secure systems and leading quality assurance initiatives
Software Engineer
Zelf Technologies Inc.
Security-focused web automation, red teaming, and AI-powered data governance workflows
Key Achievements
- Implementing advanced security automation frameworks
- Leading red team assessment initiatives
- Developing data governance and compliance workflows
Assistant Lead Security Engineer
bKash Limited
Led red team assessments, UAT for 200+ payment systems, automation reducing 1000+ manual hours
Key Achievements
- Conducted comprehensive red team assessments for mobile and web applications
- Managed UAT processes for 200+ payment systems
- Developed automation frameworks reducing 1000+ manual testing hours
- Led security incident response and vulnerability management
- Mentored junior security engineers and QA professionals
Professional references available upon request
Interested in My Experience?
I'd love to discuss how my security expertise, AI knowledge, and automation skills can benefit your team. Let's schedule a conversation about your specific needs.
Achievements & Recognition
Recognition for excellence in cybersecurity competitions and professional contributions
Champion, Zelf Hackathon
2025Scraping Category
First place in data scraping and AI automation challenge
1st Runner-up – Financial Cyber Drill 2021
2021Team Heimdall
Second place in national financial sector cybersecurity competition
2nd Runner-up – National Cyber Drill
2020Cybersecurity Competition
Third place in national cybersecurity competition
STAR Award Recipient
2021, 2023bKash Limited
Recognized for innovation in QA and security processes
Ready for New Challenges
Always eager to take on new security and AI challenges and contribute to innovative projects. Let's build something secure and intelligent together!
Get In Touch
Ready to discuss your security needs or explore opportunities? Let's connect!
Contact Information
faiyaz.samin@gmail.com
Best for detailed discussions
Phone
+880 1681791973
Available 9 AM - 6 PM GMT+6
linkedin.com/in/faiyazsamin
Professional networking
Schedule Call
Book a 30-min consultation
Free consultation call
I typically respond to emails within 2-4 hours during business days (GMT+6). For urgent matters, please call or schedule a direct meeting.
Based in Dhaka, Bangladesh (GMT+6). Open to remote work globally and occasional travel for on-site projects.