Application Security Engineer (relocation to Barcelona)

CommIT; España; On-site; PHP 669,600 - 892,800; Full time

Job summary

CommIT in the Philippines is looking for an experienced security professional to reshape JFrog Product Security. You will be responsible for planning and executing advanced penetration testing campaigns, developing tools for security testing, and collaborating with engineering teams to address vulnerabilities.

The ideal candidate has over 4 years of experience in penetration testing with deep technical knowledge of various technologies, including web and cloud. This role offers an exciting opportunity to contribute to critical security innovations within a dynamic team.

Qualifications

• 4+ years of experience in research and penetration testing.
• Deep technical understanding of web, API, cloud-native, and backend technologies.
• Ability to effectively report technical findings.

Responsibilities

• Help to reshape JFrog Product Security.
• Plan and execute advanced penetration testing campaigns.
• Develop tools and frameworks for scalable security testing.

Skills

Research and penetration testing

Strong coding skills

AI and LLM Penetration testing knowledge

Experience with penetration testing tools

Familiarity with modern architectures

Secure software architecture knowledge

Tools

Burp Suite

Metasploit

SSDLC tools

CI/CD pipelines

Job description

Description

We're running the software that runs the world - and we want you along for the ride. The company is a special place with a unique combination of brilliance, spirit, and great people. Here, if you're willing to do more, your career can take off. And since software plays a central role in everyone's lives, you'll be part of a critical mission.

Responsibilities

• Help to reshape JFrog Product Security
• Plan and execute advanced penetration testing campaigns.
• Develop tools and frameworks for scalable security testing and fuzzing.
• Lead Security innovation by building and managing penetration testing tools \ AI Agents
• Analyze vulnerabilities, perform root cause analysis, and develop proofs of concept.
• Identify systemic product weaknesses and help define long-term mitigations.
• Collaborate with engineering teams to reproduce, triage, and fix vulnerabilities.
• Contribute to security research publications, CVE submissions, and industry knowledge sharing.
• Continuously evolve internal testing capabilities using modern tooling and AI-assisted approaches.

Requirements

• 4+ year experience in Research and penetration testing.
• Strong coding skills and deep technical understanding of web, API, cloud-native, and backend technologies.
• AI and LLM Penetration testing knowldge and Experience.
• Experience with penetration testing tools (Burp Suite, Metasploit, etc.) and Custom Security Tools development.
• Familiarity with modern architectures (e.g., Cloud, microservices, containers, Kubernetes).
• Familiarity with secure software architecture and typical attack vectors.
• Demonstrated ability to do security testing engagements and report technical findings effectively.
• Experience building or integrating automated PT or fuzzing pipelines is a strong advantage.
• Knowledge and hands-on experience with SSDLC tools and CI/CD pipelines.