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Staff Solution Engineer

zz-Evergreen Requisition · Singapore; Singapore, Singapore

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Company Introduction  We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading and reliable force in South Korean commerce.   We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.     Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.    Role Overview  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.   What You Will Do  <ul> <li>Responsible for web-side protocol analysis and parameter reverse engineering, and improving solutions;</li> <li>Continuously iterate on-device attack and defense capabilities, and explore the construction of a fully automated adversarial system.</li> </ul>   Basic Qualifications <ul> <li>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 Android/iOS reverse engineering</li> <li>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.</li> <li>Strong logical analysis and problem-solving skills are essential; the ability to quickly identify technical bottlenecks in the reverse engineering process and develop solutions.</li> <li>Preference will be given to candidates with information security certifications (e.g., CEH, OSCP) or experience contributing to open-source reverse engineering tools.</li> <li>Excellent documentation and communication skills are required; the ability to clearly present reverse engineering results and collaborate effectively with the team.</li> </ul>   Preferred Qualifications  <ul> <li>Proficient in JavaScript reverse engineering, with AST (Abstract Syntax Tree) analysis capabilities (Babel Parser), and familiar with common JS obfuscation (string encryption, control flow flattening) and deobfuscation techniques;</li> <li>Proficient in browser debugging (Chrome DevTools), automation frameworks (Puppeteer/Playwright), and experience with Chromium kernel modifications is a plus;</li> <li>Familiar with web anti-scraping measures (browser fingerprinting & behavior, TLS fingerprinting, etc.) and human-machine identification measures (click/slider CAPTCHA, reCaptcha, Akamai, etc.);</li> <li>Familiar with common application layer protocols (HTTP/WebSocket), and possess network packet capture and analysis capabilities (Charles/Wireshark);</li> <li>Familiar with common encryption algorithms (RSA/AES/HMAC) and interface signature mechanisms;</li> <li>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;</li> <li>Possess Python/Node.js development skills and be able to independently write automation tools.</li> </ul>   Recruitment Process   <ul> <li>Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer  </li> <li>The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.  </li> <li>Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.  </li> </ul>   Details to Consider   <ul> <li>This role is open to Singapore Citizens and Permanent Residents only </li> <li>This job posting may be closed prior to the stated end date for application if all openings are filled. </li> <li>Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process. </li> <li>Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. </li> <li>Job titles and responsibilities may be subject to change depending on the candidate’s overall experience, etc. This will be communicated to the candidate at the appropriate time before the offer. </li> <li>Hiring may be restricted in case the legal qualifications required for hiring and work performance is not met. </li> </ul>   Privacy Notice   Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below.  <a href="https://privacy.coupang.com/en/land/jobs/">https://privacy.coupang.com/en/land/jobs/</a>