AppSec & DevSecOps Engineer – Secure API & Code

Keoni; Paris; Hybrid; EUR 70,000 - 110,000; Full time

Job summary

Keoni is seeking a technical expert in AppSec/DevSecOps to strengthen our API security and secure development practices across Europe. The role focuses on identifying cybersecurity risks and implementing tailored security solutions within the company context.

The candidate will work with SAST, DAST, SCA, and RASP tools, conducting code audits and guiding developers to reduce production vulnerabilities while maintaining security tooling.

Qualifications

• Security expertise across software development lifecycle.
• Ability to advise and train developers on secure coding practices.

Responsibilities

• Assist, advise, and train developers on secure development practices to limit vulnerabilities in production code.
• Participate in vulnerability monitoring and maintenance of existing tools and audit code produced by developers.
• Raise awareness and train developers on secure development practices and secure coding standards.
• Monitor tools and third‑party libraries for vulnerabilities and coordinate remediation with developers.
• Conduct code audits manually and with tools (SAST/DAST/SCA/RASP).
• Maintain and improve existing security tooling and vulnerability aggregators.

Skills

API Security

Application Security

Vulnerability Analysis & Management

SAST & DAST, SCA

Job description

Keoni is seeking a technical expert in AppSec/DevSecOps to strengthen our API security and secure development practices across Europe. The role focuses on identifying cybersecurity risks and implementing tailored security solutions within the company context.

The candidate will work with SAST, DAST, SCA, and RASP tools, conducting code audits and guiding developers to reduce production vulnerabilities while maintaining security tooling.