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Mevlüt Yıldırım

Project

Mevlüt Yıldırım
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Munich, Germany

Experience

May 2025 - Present
11 months

Project

Physical Adversarial Attacks Using Fan-Based Holographic Projections

Expertise details
Position Summary
Project at Physical Adversarial Attacks Using Fan-Based Holographic Projections
Industries
Automotive
Business Areas
Product Development
Quality Assurance
Research and Development
  • Planned and executed black-box adversarial testing of traffic-sign computer-vision pipelines; produced a threat model and attack-surface analysis for safety-critical scenarios
  • Built a programmable hardware proof of concept using a holographic POV fan and a repeatable test harness to run real-time experiments and collect evidence for vulnerability assessment
  • Quantified misclassification across lighting, distance, and angle, achieving up to 90% untargeted misclassification; delivered steps to reproduce, PoCs, and prioritized mitigations, and documented limitations and residual risk
May 2025 - Present
11 months

Cybersecurity Trainee

Hack The Box Academy

Expertise details
Position Summary
Cybersecurity Trainee at Hack The Box Academy
Industries
Information Technology
Business Areas
Information Technology
  • Hands-on training in penetration testing and vulnerability assessment covering the full workflow: reconnaissance, exploitation, post-exploitation, and reporting
  • Focus areas proved by completed paths and modules: web application testing and API attacks, network enumeration and traffic analysis, Linux and Windows privilege escalation, and password and authentication attacks
  • Tools: Kali Linux, Nmap, Burp Suite, ZAP, Metasploit, Wireshark, ffuf, sqlmap, John the Ripper, Hashcat, with Python and Bash automation
Aug 2024 - Oct 2024
3 months
Germany

Cybersecurity Research Intern

German Aerospace Center (DLR)

Expertise details
Position Summary
Cybersecurity Research Intern at German Aerospace Center (DLR)
Industries
Space Exploration
Business Areas
Information Technology
Research and Development
  • Assessed SpaceWire protocol stack and flagged missing authentication/encryption and protocol-level weaknesses; proposed mitigation directions
  • Built a formal threat model to assess potential attack vectors on embedded space systems, including attack surface mapping and adversary profiling
  • Extended OMNeT++ to simulate spoofing, packet injection and disruption scenarios; produced artifacts to support detection and hardening decisions
Oct 2023 - Present
2 years 6 months
Remote

Master's Degree in Communications and Electronics Engineering

Technical University of Munich

Expertise details
Position Summary
Master's Degree in Communications and Electronics Engineering at Technical University of Munich
Industries
Education
Information Technology
Business Areas
Information Technology
Research and Development
  • Coursework: IoT Security, Network Security, Embedded Systems & Security, Smart Card Laboratory, IoT Remote Lab, Software Architecture Design for Distributed Embedded Systems
  • Final grade 1.5 (German scale; 1.0 = best)
  • Thesis: Physical Adversarial Attacks Using Fan-Based Holographic Projections
Oct 2022 - Jul 2023
10 months

Project

Realizing a System Using Ad-Hoc Network Between ESP8266 WiFi Modules and Developing a Swarm Algorithm

Expertise details
Position Summary
Project at Realizing a System Using Ad-Hoc Network Between ESP8266 WiFi Modules and Developing a Swarm Algorithm
Industries
Information Technology
Business Areas
Product Development
Research and Development
  • Built a decentralized ad-hoc mesh using ESP8266/ESP-NOW, removing the ground-station dependency via peer-to-peer links
  • Designed and implemented a real-time swarm coordination algorithm for dynamic environments and multi-node operation
  • Evaluated communication reliability and latency under varying node counts and mobility; documented results and limitations
Sep 2022 - Sep 2023
1 year 1 month
Turkey

IoT Systems Engineer

Saportif Technology Inc.

Expertise details
Position Summary
IoT Systems Engineer at Saportif Technology Inc.
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Developed an end-to-end IoT system with ESP32/ESP8266 and Raspberry Pi (smart door-lock for shared offices), integrating sensors/actuators, RFID-based access control, and remote monitoring and control via custom web interfaces on a cloud backend
  • Secured the integration layer with HTTPS/TLS and authenticated REST APIs; mapped RFID identities to role-based access control (RBAC) and enforced server-side authorization for bookings and device commands
  • Implemented integration safeguards including input validation, parameterized requests, rate limiting, and audit logging for admin and access events; documented issues with OWASP Top 10 categories to prioritize remediation
Jul 2022 - Aug 2022
2 months
Turkey

Software Engineering Intern

Arcelik Inc.

Expertise details
Position Summary
Software Engineering Intern at Arcelik Inc.
Industries
Manufacturing
Business Areas
Information Technology
Product Development
Quality Assurance
  • Built a Python OOP test library that provided a fully software-based virtual testing environment, removing reliance on hardware simulators for PCB validation
  • Automated communication with refrigerator control boards and encoded reusable test algorithms, enabling end-to-end executions in a single run instead of manual procedures
  • Achieved approximately 80% faster test execution on control boards, significantly reducing manual effort and validation time while improving repeatability and coverage
Oct 2020 - Sep 2022
2 years
Turkey

Full-Stack Developer

Saportif Technology Inc.

Expertise details
Position Summary
Full-Stack Developer at Saportif Technology Inc.
Industries
Information Technology
Business Areas
Information Technology
Product Development
  • Built and maintained React/Node CRM services with secure-by-default patterns and code reviews for reliable delivery
  • Implemented authentication and session controls (JWT/secure cookies), CSRF protection, and XSS mitigations
  • Hardened REST APIs with input validation and parameterized queries; added rate limiting, security headers, and structured errors; controls aligned with OWASP Top 10 and WSTG
Aug 2019 - Jul 2023
4 years

Bachelor's Degree in Electronics and Communication Engineering

Istanbul Technical University

Expertise details
Position Summary
Bachelor's Degree in Electronics and Communication Engineering at Istanbul Technical University
Industries
Education
Information Technology
Telecommunication
Business Areas
Product Development
Research and Development
  • Coursework: Intro. to OOP, Microprocessor Systems, Intro. to Embedded Systems
  • Final grade 3.37 / 4.00
  • Thesis: Realizing a system using ad-hoc network between ESP8266 WiFi modules and developing a swarm algorithm

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology, Education, Telecommunication, and Automotive.

Information Technology
Education
Telecommunication
Automotive
Profile match chart

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Research and Development, Information Technology, Product Development, and Quality Assurance.

Research and Development
Information Technology
Product Development
Quality Assurance
Profile match chart

Summary

I am an M.Sc. candidate at the Technical University of Munich with a strong interest in information security. My background spans a cybersecurity research internship and lab projects, strengthened by hands-on practice through HackTheBox and CTFs in ethical hacking, penetration testing, vulnerability assessment, and network security. Proficient in Python and Bash; familiar with Kali Linux, Metasploit, Burp Suite, Nmap, and Wireshark. I follow established security assessment methodologies and secure design principles, communicate clearly, manage multiple tasks, and turn evidence into concise, actionable recommendations.

Skills

  • Python
  • Git
  • Nmap
  • Burp Suite
  • Wireshark
  • Zap
  • Applied Cryptography
  • Shell Scripting (Powershell, Bash,..)
  • Windows
  • Gnu/linux
  • Macos
  • Reverse Engineerng
  • Embedded Security
  • Computer Network & Network Security
  • Tcp-ip

Languages

Turkish
Native
English
Advanced
German
Intermediate

Education

Oct 2023 - Present

Technical University of Munich

Master's degree in Communications and Electronics Engineering · Communications and Electronics Engineering · Munich, Germany · 1.5 (German scale; 1.0 = best)

Aug 2019 - Jul 2023

Istanbul Technical University

Bachelor's degree in Electronics and Communication Engineering · Electronics and Communication Engineering · Istanbul, Turkey · 3.37 / 4.00

Statistics

Experience

Total positions 9
Experience in Information Technology 6.5 y
Avg length 1 y 4 m
Longest experience 3 y 11 m

Global Experience

Countries worked in 2 (Turkey, Germany)
Primary country Turkey

Expertise

Recent roles Project, Cybersecurity Trainee, Cybersecurity Research Intern
Main industries Information Technology, Education, Telecommunication
Main business areas Research and Development, Information Technology, Product Development

Qualifications

Highest degree Master

Profile

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Mevlüt based?

Mevlüt is based in Munich, Germany.

What languages does Mevlüt speak?

Mevlüt speaks the following languages: Turkish (Native), English (Advanced), German (Intermediate).

How many years of experience does Mevlüt have?

Mevlüt has at least 7 years of experience. During this time, Mevlüt has worked in at least 8 different roles and for 8 different companies. The average length of individual experience is 1 year and 9 months. Note that Mevlüt may not have shared all experience and actually has more experience.

What roles would Mevlüt be best suited for?

Based on recent experience, Mevlüt would be well-suited for roles such as: Project, Cybersecurity Trainee, Cybersecurity Research Intern.

What is Mevlüt's latest experience?

Mevlüt's most recent position is Project at Physical Adversarial Attacks Using Fan-Based Holographic Projections.

What companies has Mevlüt worked for in recent years?

In recent years, Mevlüt has worked for Physical Adversarial Attacks Using Fan-Based Holographic Projections, Hack The Box Academy, German Aerospace Center (DLR), Technical University of Munich, and Realizing a System Using Ad-Hoc Network Between ESP8266 WiFi Modules and Developing a Swarm Algorithm.

Which industries is Mevlüt most experienced in?

Mevlüt is most experienced in industries like Information Technology, Education, and Telecommunication. Mevlüt also has some experience in Automotive, Space Exploration, and Manufacturing.

Which business areas is Mevlüt most experienced in?

Mevlüt is most experienced in business areas like Research and Development, Information Technology, and Product Development. Mevlüt also has some experience in Quality Assurance.

Which industries has Mevlüt worked in recently?

Mevlüt has recently worked in industries like Information Technology, Education, and Telecommunication.

Which business areas has Mevlüt worked in recently?

Mevlüt has recently worked in business areas like Research and Development, Information Technology, and Product Development.

What is Mevlüt's education?

Mevlüt holds a Master in Communications and Electronics Engineering from Technical University of Munich and a Bachelor in Electronics and Communication Engineering from Istanbul Technical University.

What is the availability of Mevlüt?

Mevlüt is immediately available full-time for suitable projects.

What is the rate of Mevlüt?

Mevlüt's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.

How to hire Mevlüt?

To hire Mevlüt, click the Meet button on the profile to request a meeting and discuss your project needs.

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Market avg: 750-910 €
The rates shown represent the typical market range for freelancers in this position based on recent contracts on our platform.
Actual rates may vary depending on seniority level, experience, skill specialization, project complexity, and engagement length.