Burak Güler

Senior Application Security Engineer | Hepsiburada

Istanbul, Türkiye

About

Hepsiburada leverages my expertise as a Senior Network Security Engineer to enhance application and network security. Recent contributions include Cloud WAF configurations and benchmarking against industry standards. I actively on Cloud WAF management, deliver lectures about how to manage these security solutions and participate in workshops, facilitating team development and security solution evaluations. My education in Computer Engineering from Düzce Üniversitesi underpins my technical acumen in web application firewalls, L7 DDoS hardening, API security, and bot protection. With a focus on secure application technologies, I am motivated to contribute to robust security solutions that align with organizational goals.

Experience

  • Senior Network Security Engineer at Hepsiburada
    Sep 2025 - Present · 10 mos

  • Cyber Security Engineer at Turkish Technology
    Jul 2025 - Sep 2025 · 3 mos

    • Supported application and network security of the Turkish Airlines and AJet services on Cloud WAF solutions and Bot, L7 DDoS mitigations. • Documented cloud WAF security configs of the Turkish Airlines and its sister companies and benchmarked security configs against industry best practices based on my experience. • Delivered lectures to team on Cloud WAF and participated in on-premise WAF studies and workshops. • Participated in demo workshops of the various security solutions and vendors.

  • Hepsiburada (Remote)
    • Application Security Engineer III
      Jan 2025 - Jul 2025 · 7 mos

    • Application Security Engineer II (Cloud & Container)
      Jan 2024 - Jan 2025 · 1 yr 1 mo

      • Created, managed and updated Akamai security configurations for Hepsiburada. • Configured new Akamai security policies to strengthen security across hepsiburada.com and its 200+ subdomains. • Delivered lectures on Akamai's security capabilities to various teams as required. • Provided support to development teams in securing Hepsiburada APIs • Created and maintained separate documents for Custom, WAF, DoS, Bot security rule definitions as well as network/client lists on Akamai for reporting purposes. • Monitored, analyzed and reported on weekly traffic of nearly 7 billion requests on hepsiburada.com. • Pursued ongoing learning of cloud technologies, focusing on Google Cloud security features to enhance security measures on Hepsiburada's cloud infrastructure.

    • Application Security Engineer I (Cloud & Container)
      Jan 2022 - Jan 2024 · 2 yrs 1 mo

  • R&D Software Engineer at İSNET Telecommunication & Service Inc.
    Feb 2021 - Jan 2022 · 1 yr

    • Provided support to development of third-party applications for McDonald's Türkiye Restaurants, catering to call center and restaurant employees. • Supported the integration of McDonald's backend services developed for Yemeksepeti, Trendyol Yemek and Getir. • Assisted in the development of the McDonald's Delivery Service (MDS) application to address integration and transactional issues encountered by McDonald's employees on Pos6 kiosk machines.

  • Jr. Software Support/Operation Developer via İSNET at McDonald's
    Feb 2021 - Jan 2022 · 1 yr