Application Security Engineer

Amadeus; Warszawa; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

Amadeus in Warszawa is seeking an Application Security Engineer (development-focused) to identify and reduce risk across our applications and support secure software development for new customer projects. You will collaborate with development and QA teams to embed security into the full lifecycle—from threat modelling and secure coding to vulnerability management and PCI-DSS compliance.

You will collaborate with development and QA teams to embed security into the full lifecycle—from threat

Qualifications

• Experience in software development (.NET) or application security.
• Strong knowledge of secure development practices, threat modeling, and vulnerability management.
• Excellent communication and collaboration 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.
• Lead threat modelling sessions with dev, QA and business teams.
• Review code and binary scan results, working with developers to fix vulnerabilities during development.
• Assess and manage existing vulnerabilities using CVSS and track remediation actions.
• 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

DotNet development

Application security

Threat modeling

Vulnerability management

AWS/Azure

Communication skills

Amadeus LSS

Amadeus Robotics

Job description

Summary

TRD Professional Services is looking for an Application Security Engineer (development-focused white hat) to identify and reduce risk across our applications and support the secure development of new customer projects. The role works closely with development and QA teams to embed security into the full software lifecycle, covering threat modelling, secure coding, vulnerability management and PCI compliance.

Job Title

Application Security Engineer

Key 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

About The Ideal Candidate

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

Our offer

• A critical mission and purpose – At Amadeus, you'll power the future of travel with a critical mission and extraordinary purpose.
• A truly global DNA – Everything at Amadeus is global, from our people to our business, which translates into our footprint, processes, and culture.
• Great opportunities to learn – Learning happens all the time and in many ways at Amadeus, from on-the-job training to formal activities, and daily interactions.
• A caring environment – Amadeus fosters a caring environment that supports both professional growth and personal well-being.
• A flexible working model – Embrace our flexible working model, enabling you to excel wherever and however you work best.
• A diverse and inclusive community – We are committed to enabling each employee to reach their full potential by fostering a culture of belonging and fair treatment.
• A reliable company – Trust and reliability are fundamental to shaping our relationships with customers, partners, and employees.

Diversity & Inclusion

Amadeus aspires to be a leader in Diversity and Inclusion in the tech industry, enabling every employee to reach their full potential by fostering a culture of belonging and fair treatment, attracting the best talent from all backgrounds, and as a role model for an inclusive employee experience.

Amadeus is an equal opportunity employer and committed to an accessible recruitment process. All qualified applicants will receive consideration for employment without regard to gender, race, ethnicity, sexual orientation,age, beliefs, disability or any other characteristics protected by law.