Web Security Engineer

1 day ago

Singapore Coupang Full time

As a part of Ecommerce Engineering team, we exist for wow customer experiences, world class service excellence and hyper growing revenue. To achieve this, we build scalable & extensible architecture to support fast business growth & expansion, we create high performance & resilient backend system to handle increasing customer requests and we setup stable & fault-tolerant mechanisms to guarantee the customer experience. Creating disruptive products & resilient platforms for customers with world-class talents and cutting-edge technology is our vision and our commitment to the company. About the Role Responsible for web-side protocol analysis and parameter reverse engineering, and improving solutions; Continuously iterate on-device attack and defense capabilities, and explore the construction of a fully automated adversarial system. Qualifications Bachelor's degree or above in Computer Science, Software Engineering, Information Security, or related fields, with at least 3 years of practical work experience in Web reverse engineering. Successful reverse engineering experience with mainstream Websites (e.g., social media, e-commerce, finance) is required, enabling independent completion of the entire process from decomplication to logical analysis. Strong logical analysis and problem-solving skills are essential; the ability to quickly identify technical bottlenecks in the reverse engineering process and develop solutions. Preference will be given to candidates with information security certifications (e.g., CEH, OSCP) or experience contributing to open-source reverse engineering tools. Excellent documentation and communication skills are required; the ability to clearly present reverse engineering results and collaborate effectively with the team. Both English and Mandarin speaking is required. Required Skills Familiar with common application layer protocols (HTTP/WebSocket), and possess network packet capture and analysis capabilities (Charles/Wireshark). Familiar with common encryption algorithms (RSA/AES/HMAC) and interface signature mechanisms. Proficient in web security, with experience in discovering and exploiting OWASP Top 10 vulnerabilities, and familiar with WAF (Web Application Firewall) and other security protections. Possess Python/Node.js development skills and be able to independently write automation tools. Seniority level Mid-Senior level Employment type Full-time Job function Information Technology Industries Software Development #J-18808-Ljbffr

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