Sr. Java Developer Application Security / FTE - NTT DATA
Security Engineer
We're looking for a Security Engineer focused on designing and building scalable technical solutions. This senior role requires 5+ years of relevant experience.
About the role
Design, develop, and maintain secure Java/J2EE-based applications, ensuring adherence to enterprise security standards and best practices
Identify, analyze, and remediate application security vulnerabilities such as XSS, CSRF, session fixation, IDOR, and path traversal issues
Perform regular code reviews and security assessments to detect code smells, insecure patterns, and misconfigurations
Collaborate with security teams to triage and resolve findings from vulnerability scans, penetration testing, and security audits
Implement secure coding practices, including input validation, output encoding, and proper authentication/authorization mechanisms
Update and manage third-party libraries (e.g., Axios, jQuery, Ext.js), ensuring no outdated or vulnerable versions are in use
Configure and enforce web security controls such as CSP headers, secure cookies (HttpOnly, Secure, SameSite), and cache directives
Debug and resolve issues related to HTTP errors (e.g., 500 errors), session management, and application behavior inconsistencies
Work closely with frontend and backend teams to ensure consistency in validation and prevent security gaps between UI and server-side logic
Analyze and secure APIs, including TPP/Open Banking integrations, ensuring proper authentication and data protection
Participate in sprint planning, daily stand-ups, and backlog grooming with Agile teams to prioritize security and development tasks
Document security fixes, technical designs, and remediation steps for knowledge sharing and audit readiness
Support production releases, perform root cause analysis for incidents, and implement preventive measures
Continuously research emerging security threats and recommend improvements to strengthen application security posture
Minimum 5+ years of experience in Java/J2EE development, including building and maintaining enterprise-level web applications
At least 3+ years of hands-on experience in application security, including identifying and remediating vulnerabilities such as XSS, CSRF, IDOR, and session-related issues
Minimum 3+ years of experience with web technologies such as HTML, CSS, JavaScript, and frameworks/libraries like jQuery, Axios, or Ext.js
At least 2+ years of experience in secure coding practices, including input validation, output encoding, authentication, and authorization mechanisms
Minimum 2+ years of experience working with RESTful APIs and web services, including securing APIs and handling authentication/authorization
At least 2+ years of experience with application servers such as Apache Tomcat, WebLogic, or JBoss
Minimum 2+ years of experience in vulnerability management tools (e.g., Fortify, Checkmarx, Veracode, or similar SAST/DAST tools)