Senior Backend Engineer - Security

<div class="content-intro"><p style="line-height: 1.4;"><span style="color: rgb(0, 0, 0); font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Who we are</strong></span></p> <p style="line-height: 1.4;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">DigiCert is a global leader in intelligent trust. We protect the digital world by ensuring the security, privacy, and authenticity of every interaction. Our AI-powered DigiCert ONE platform unifies PKI, DNS, and certificate lifecycle management, to secure infrastructure, software, devices, messages, AI content and agents. Learn why more than 100,000 organizations, including 90% of the Fortune 500, choose DigiCert to stop today’s threats and prepare for a quantum-safe future at&nbsp;<a href="http://www.digicert.com/">www.digicert.com</a></span></p></div><p>&nbsp;</p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>Job summary</strong></span></p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">We are building the trust layer for the agentic future. As AI agents move from simple chatbots to autonomous workloads with access to sensitive enterprise data, the industry lacks a standard for Identity, Authentication, and Governance. You will build the core security infrastructure that defines how agents are identified and controlled. Our mission is to build a "Zero Trust" architecture for AI—ensuring that every action an agent takes is cryptographically verifiable, authorized, and safe. You will be instrumental in setting our technical culture, selecting our stack, and scaling a platform that will secure the next generation of enterprise AI.</span></p> <p>&nbsp;</p> <p>&nbsp;</p> <p>&nbsp;</p> <p><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><strong>What you will do</strong></span></p> <ul> <li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">As part of the engineering team, you’ll work alongside industry-leading cryptographers, AI/ML innovators, cloud infrastructure experts, and security engineers who are defining the future of secure digital interactions.</span></li> <li style="font-family: arial, helvetica, sans-serif; font-size: 12pt;"><span style="font-family: arial, helvetica, sans-serif; font-size: 12pt;">Architect and build the Identity Foundation: Design and own a cryptographically secure identity system that serves as the "source of truth" for