Application Security Engineer — Flexible, Global Impact

Amadeus; Warszawa; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

A critical mission and purpose — Amade

Global DNA and culture

Great learning opportunities

Caring environment

Flexible working model

Diverse and inclusive community

Reliable company

Job summary

Amadeus is seeking an Application Security Engineer (development-focused white hat) in Warszawa, Poland. The role focuses on embedding security into the software lifecycle, from threat modelling to secure coding and vulnerability management, across customer projects.

The ideal candidate will have strong experience in secure development practices, threat modelling, and PCI-DSS compliance support. Collaboration with development and QA teams is essential to build security in from the start.

Qualifications

• Relevant experience in software development (.NET), application security, or infrastructure security (AWS/Azure).
• Strong knowledge of secure development practices, threat modelling, and vulnerability management.
• Excellent communication, collaboration, and problem-solving skills.
• Experience with Amadeus LSS and Amadeus Robotics is a plus.

Responsibilities

• Review new application designs with architecture and development teams to identify security risks early and flag potential blockers before implementation begins
• Lead threat modelling sessions with dev, QA and business teams to identify risks early in solution design
• Review code and binary scan results, working with developers to fix vulnerabilities during development
• Assess and manage existing vulnerabilities using CVSS, define remediation actions and track progress
• Support PCI-DSS compliance by collecting audit evidence with dev, QA and platform teams
• Work with QA to ensure adequate security test coverage across functional and non-functional testing

Skills

Secure development

Threat modelling

Vulnerability management

Communication & collaboration

Tools

Amadeus LSS

Amadeus Robotics

Job description

Amadeus is seeking an Application Security Engineer (development-focused white hat) in Warszawa, Poland. The role focuses on embedding security into the software lifecycle, from threat modelling to secure coding and vulnerability management, across customer projects.

The ideal candidate will have strong experience in secure development practices, threat modelling, and PCI-DSS compliance support. Collaboration with development and QA teams is essential to build security in from the start.