Senior Application Security Engineer

Placements24; Randburg; Hybrid; ZAR 900,000 - 1,300,000; Full time

Benefits offered by this job

Competitive salary and bonuses

Comprehensive health insurance

Fully remote work arrangement

Generous paid time off

Professional development opportunities

Job summary

Placements24 is seeking a Senior Application Security Engineer to join a fully remote engineering team. The role centers on embedding security into the SDLC and guiding developers to build secure software from the ground up.

You will conduct security reviews, propagate best practices, and integrate security testing into CI/CD, while collaborating with remote teams to mitigate vulnerabilities and respond to incidents.

Qualifications

• Bachelor's degree or equivalent practical experience in CS/Cybersecurity.
• 5+ years in application security or related security role.
• Strong OWASP Top 10 understanding and secure coding principles.
• Experience with SAST/DAST tools and vulnerability scanners.
• Experience with Python and Bash scripting; cloud security concepts (AWS, Azure).
• Excellent remote collaboration and communication.

Responsibilities

• Conduct security code reviews and SAST/DAST for web and mobile apps.
• Develop and maintain security guidelines, best practices, and training for developers.
• Integrate security tools into CI/CD pipeline to automate security testing.
• Collaborate with development teams to design secure application architectures and address vulnerabilities.
• Perform threat modeling for new features and applications to proactively identify risks.
• Respond to security incidents related to applications and assist in remediation.

Skills

SAST/DAST

Web app security

Python

Bash

Cloud security (AWS/Azure)

Communication

Education

Bachelor's degree in Computer Science or Cybersecurity

Tools

CI/CD pipelines

Vulnerability scanners

Job description

About the Role

Our client is seeking a highly skilled Senior Application Security Engineer to join their fully remote engineering team. This critical role focuses on integrating security practices directly into the software development lifecycle (SDLC), ensuring that applications are built securely from the ground up. You will work closely with development teams to identify and mitigate security vulnerabilities, perform code reviews, and champion security best practices across the organization. This is an excellent opportunity for an experienced security professional to make a significant impact in a remote-first environment.

Key Responsibilities

• Conduct security code reviews and static/dynamic application security testing (SAST/DAST) for web and mobile applications.
• Develop and maintain security guidelines, best practices, and training materials for software developers.
• Integrate security tools and processes into the CI/CD pipeline to automate security testing and enforcement.
• Collaborate with development teams to design secure application architectures and address security vulnerabilities.
• Perform threat modeling for new features and applications to proactively identify potential security risks.
• Respond to security incidents related to applications and assist in remediation efforts.

Requirements

• Bachelor's degree in Computer Science, Cybersecurity, or a related field, or equivalent practical experience.
• 5+ years of experience in application security, software development, or a related security role.
• Strong understanding of common web application vulnerabilities (e.g., OWASP Top 10) and secure coding principles.
• Proficiency with SAST/DAST tools, vulnerability scanners, and security testing methodologies.
• Experience with scripting languages (Python, Bash) and cloud security concepts (AWS, Azure).
• Excellent communication and collaboration skills, essential for working effectively in a fully remote team.

Benefits

• Competitive salary and performance-based bonuses.
• Comprehensive health, dental, and vision insurance.
• Fully remote work arrangement with flexibility.
• Generous paid time off and professional development opportunities.
• A collaborative culture focused on building secure and high-quality software in Randburg.