Sr. Application Security Engineer

Amex GBT is a place where colleagues find inspiration in travel as a force for good and – through their work – can make an impact on our industry. We’re here to help our colleagues achieve success and offer an inclusive and collaborative culture where your voice is valued. What You'll Do Partner with DevOps teams to architect and maintain secure CI/CD pipelines that embed security testing throughout the software development lifecycle, ensuring security is built in from the start. Deploy and fine-tune automated security tools including SAST, DAST, SCA, and container scanning, with centralized reporting and aggregation of findings across the organization. Deploy and manage API security tools while ensuring cloud-native security best practices across IAM, network security, encryption, secrets management, and compliance frameworks. Collaborate with development teams to establish and reinforce secure coding standards, provide hands-on security guidance, and champion a security-first culture across engineering. Evaluate and establish guardrails for the safe adoption of AI-assisted coding tools across engineering teams, identifying and mitigating risks such as hallucinated dependencies, injected vulnerabilities, and governance gaps. Maintain adherence to industry standards (PCI-DSS, GDPR, SOC 2) relevant to the travel industry, build KPI dashboards for application security initiatives, and communicate findings to leadership. Guide junior engineers in security best practices, foster a security-conscious engineering culture, and contribute to the evolution of the organization's security posture. What We're Looking For 5+ years of professional software development with demonstrated mastery in at least one major programming language (Python, Go, Java, JavaScript/TypeScript, or equivalent) 3+ years of hands-on application security or DevSecOps experience Deep expertise in OWASP Top 10, secure coding practices, and API security Strong cloud security knowledge with hands-on experience in AWS, Azure, or GCP Proficiency with CI/CD tools (Jenkins, GitLab CI/CD, GitHub Actions, CircleCI, Azure DevOps) and infrastructure-as-code technologies (Terraform, Docker, Kubernetes) Advanced understanding of cloud-native security, including IAM, network security, encryption, and secrets management Practical experience with security tools (SAST/DAST scanners, WAF solutions, SIEM platforms, vulnerability scanners) Familiarity with agentic AI programming tools (GitHub Copilot, Cursor, Claude Code) and AI-specific security tooling Experience evaluating and securing agentic AI coding tools with understanding of associated risks (hallucinated dependencies, code injection, governance gaps) Ability to design and implement guardrails and detection strategies for safe AI tool adoption Excellent communication abilities—capable of translating complex security concepts for both technical and non-technical audiences Mentoring mindset with a passion for building security culture Developer-first perspective that bridges application development and security Multi-cloud experience (AWS, Azure, GCP) Professional security certifications (CISSP, GIAC, OSCP, AWS Security Specialty, Azure Security Engineer) Background in penetration testing, red team operations, or threat modeling Knowledge of MLSecOps and AI/ML supply chain security Experience in travel, hospitality, or e-commerce industries Open-source security contributions or published security research Location India The #TeamGBT Experience Work and life: Find your happy medium at Amex GBT. Flexible benefits are tailored to each country and start the day you do. These include health and welfare insurance plans, retirement programs, parental leave, adoption assistance, and wellbeing resources to support you and your immediate family . Travel perks: get a choice of deals each week from major travel providers on everything from flights to hotels to cruises and car rentals. Develop the skills you want when the time is right for you, with access to over 20,000 courses on our learning platform, leadership courses, and new job openings available to internal candidates first. We strive to champion Inclusion in every aspect of our business at Amex GBT. You can connect with colleagues through our global INclusion Groups, centered around common identities or initiatives, to discuss challenges, obstacles, achievements, and drive company awareness and action. And much more! A ll applicants will receive equal consideration for employment without regard to age, sex, gender (and characteristics related to sex and gender), pregnancy (and related medical conditions), race, color, citizenship, religion, disability, or any other class or characteristic protected by law. Click Here for Additional Disclosures in Accordance with the LA County Fair Chance Ordinance. Furthermore, we are committed to providing reasonable accommodation to qualified individuals with disabilities. Please let your recruiter know if you need an accommodation at any point during the hiring process. For details regarding how we protect your data, please consult the Amex GBT Recruitment Privacy Statement . What if I don’t meet every requirement? If you’re passionate about our mission and believe you’d be a phenomenal addition to our team, don’t worry about “checking every box;" please apply anyway. You may be exactly the person we’re looking for!