Principal AppSec Engineer — Java, AI & Cloud Security

Sabre Corporation; Poland; Hybrid; PLN 320,000 - 420,000; Full time

Benefits offered by this job

Hybrid work model

Office Kraków

No dress code

Referral bonus

Job summary

Sabre Corporation in Kraków is seeking a Principal Application Security Software Engineer to secure distributed systems and lead the AppSec program. You will bridge software engineering and cybersecurity, driving secure Java development and integrating advanced security tooling into fast‑moving CI/CD pipelines.

The role emphasizes AI‑driven security, vulnerability triage with LLMs, mentorship of teams, and collaboration with cross‑functional partners.

Qualifications

• 5+ years of software engineering and application security experience.
• Expert in Java development and secure architecture.
• Experience operating cloud-based CI/CD pipelines and automation.
• Hands-on with AI agents and LLMs to optimize engineering tasks.
• Strong English communication and collaboration across teams.

Responsibilities

• Secure software tooling development with Java-focused solutions.
• Introduce and implement AI-driven security tooling for vulnerability triage and automation.
• Adapt AppSec strategy to mitigate AI/LLM-based threats.
• Integrate security scanners (SAST/DAST/SCA) into CI/CD pipelines.
• Provide technical leadership, code reviews, and mentorship.
• Participate in security incident response and posture improvements.
• Analyze complex systems to identify bottlenecks and improve performance.

Skills

Java development

AppSec engineering

CI/CD pipelines

AI agents

Security architecture

English communication

Education

Bachelor's degree in Computer Science / related field

Tools

SAST

DAST

SCA

GCP cloud

Job description

Sabre Corporation in Kraków is seeking a Principal Application Security Software Engineer to secure distributed systems and lead the AppSec program. You will bridge software engineering and cybersecurity, driving secure Java development and integrating advanced security tooling into fast‑moving CI/CD pipelines.

The role emphasizes AI‑driven security, vulnerability triage with LLMs, mentorship of teams, and collaboration with cross‑functional partners.