Senior Backend Engineer - Agentic Pentest at OX Security

Worldwide

<p><strong>About the Position</strong></p><p>Ox Security secures the AI-driven SDLC from prompt to production. We eliminate critical, real-time risks from AI code generation through cloud runtime by doing what conventional tools can’t: unifying development and cloud context to stop vulnerabilities right at the source. At OX, we’re building the future of cyber security for the AI era. If you’re looking to work on disruptive technology with an amazing team, you belong here.</p><p>We’re growing fast and looking for a <strong>Senior Backend Engineer </strong>to join our Engineering team and help build the infrastructure that powers our platform at scale.</p><p>This is a high-impact role where you’ll work alongside top-tier engineers, designing and building secure, high-performance systems in a fast-paced environment. If you enjoy solving complex technical challenges and want your work to have real impact - we’d love to meet you.</p> <br><h3>Responsibilities</h3> <p class="editor-paragraph"><b><strong class="editor-text-bold" style="white-space: pre-wrap;">What You’ll Be Doing</strong></b></p><ul class="editor-list-ul"><li value="1" class="editor-listitem"><span style="white-space: pre-wrap;">Design and implement scalable backend systems and APIs</span></li><li value="2" class="editor-listitem"><span style="white-space: pre-wrap;">Collaborate with Product, Frontend, and other engineering teams on system architecture and requirements</span></li><li value="3" class="editor-listitem"><span style="white-space: pre-wrap;">Optimize performance, scalability, and security of applications</span></li><li value="4" class="editor-listitem"><span style="white-space: pre-wrap;">Troubleshoot and resolve production issues with minimal downtime</span></li><li value="5" class="editor-listitem"><span style="white-space: pre-wrap;">Lead code reviews and promote best engineering practices</span></li><li value="6" class="editor-listitem"><span style="white-space: pre-wrap;">Mentor and support junior engineers</span></li><li value="7" class="editor-listitem"><span style="white-space: pre-wrap;">Continuously improve system design, reliability, and development processes</span></li></ul><p class="editor-paragraph"><br></p> <br><h3>Requirements</h3> <p class="editor-paragraph"><b><strong class="editor-text-bold" style="white-space: pre-wrap;">What We’re Looking For</strong></b></p><ul class="editor-list-ul"><li value="1" class="editor-listitem"><span style="white-space: pre-wrap;">Bachelor’s degree in Computer Science or a related field</span></li><li value="2" class="editor-listitem"><span style="white-space: pre-wrap;">5+ years of experience in backend development</span></li><li value="3" class="editor-listitem"><b><strong class="editor-text-bold" style="white-space: pre-wrap;">AI-First Approach</strong></b><span style="white-space: pre-wrap;"> – Active and proficient use of AI tools (e.g., Copilot, LLMs) to streamline coding practices, accelerate learning curves, and optimize workflows.</span></li><li value="4" class="editor-listitem"><span style="white-space: pre-wrap;">Strong experience building scalable, production-grade systems</span></li><li value="5" class="editor-listitem"><span style="white-space: pre-wrap;">Proficiency in Node.js</span></li><li value="6" class="editor-listitem"><span style="white-space: pre-wrap;">Experience with SQL and NoSQL databases</span></li><li value="7" class="editor-listitem"><span style="white-space: pre-wrap;">Familiarity with cloud platforms and microservices architecture</span></li><li value="8" class="editor-listitem"><span style="white-space: pre-wrap;">Strong problem-solving skills and attention to detail</span></li><li value="9" class="editor-listitem"><span style="white-space: pre-wrap;">Passion for writing clean, maintainable, and efficient code</span></li></ul><p class="editor-paragraph"><b><strong class="editor-text-bold" style="white-space: pre-wrap;">Bonus Points for :</strong></b></p><ul class="editor-list-ul"><li value="1" class="editor-listitem"><span style="white-space: pre-wrap;">Experience in the cybersecurity, SaaS, or Cloud Security domain.</span></li><li value="2" class="editor-listitem"><span style="white-space: pre-wrap;">Hands-on experience with modern cloud environments (AWS/GCP), Docker, and Kubernetes.</span></li></ul><p class="editor-paragraph"><b><strong class="editor-text-bold" style="white-space: pre-wrap;">Employment &amp; Benefits Package (via Commit)</strong></b></p><p class="editor-paragraph"><span style="white-space: pre-wrap;">We partner with </span><b><strong class="editor-text-bold" style="white-space: pre-wrap;">Commit offshore</strong></b><span style="white-space: pre-wrap;">, who acts as our official local Employer of Record, to manage payroll, local compliance, and provide top-tier benefits for our Argentina-based team members:</span></p><ul class="editor-list-ul"><li value="1" class="editor-listitem"><b><strong class="editor-text-bold" style="white-space: pre-wrap;">USD-Based Salary:</strong></b><span style="white-space: pre-wrap;"> Receive your salary directly in USD, with full flexibility to manage your funds and convert to local currency on your own terms.</span></li><li value="2" class="editor-listitem"><b><strong class="editor-text-bold" style="white-space: pre-wrap;">100% Remote:</strong></b><span style="white-space: pre-wrap;"> Full-time position based anywhere in Argentina, requiring standard daily availability and reasonable working hours overlap with our Israel and EU teams.</span></li><li value="3" class="editor-listitem"><b><strong class="editor-text-bold" style="white-space: pre-wrap;">Paid Time Off (PTO):</strong></b><span style="white-space: pre-wrap;"> 20 Days Annual Leave &amp; 5 Sick Days to support your health and work-life balance.</span></li><li value="4" class="editor-listitem"><b><strong class="editor-text-bold" style="white-space: pre-wrap;">Gifts &amp; Events:</strong></b><span style="white-space: pre-wrap;"> Gifts on your birthday &amp; Holidays along with company events to keep you connected and appreciated.</span></li></ul><p class="editor-paragraph"><br></p><p class="editor-paragraph"><br></p>