Senior .NET Developer – Application Security

Analyze and remediate application security vulnerabilities identified through SAST, DAST, SCA, and penetration testing assessments.

Implement secure coding practices across .NET applications in alignment with OWASP standards and industry best practices.

Review, investigate, and resolve security findings generated by tools such as Checkmarx, Fortify, AppScan, SonarQube, and similar platforms.

Perform root cause analysis of security issues and implement sustainable remediation strategies to prevent recurrence.

Collaborate with development, architecture, DevOps, and security teams to ensure timely resolution of identified vulnerabilities.

Support Secure SDLC initiatives and ensure compliance with organizational and client application security requirements.

Conduct code reviews with a strong focus on security, maintainability, and application performance.

Contribute to CI/CD pipeline improvements by integrating automated security scanning and remediation processes.

Provide technical guidance and mentorship on secure development practices and vulnerability prevention.

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring 3 days a week in a client or Cognizant office. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field.

Strong hands-on experience developing enterprise applications using .NET and C#.