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Application Security Specialist
  • Warsaw
Application Security Specialist
Warszawa, Warsaw, Masovian Voivodeship, Polska
PayU S.A.
13. 11. 2025
Informacje o stanowisku

technologies-expected :


  • SIEM
  • SOAR
  • OWASP
  • Security tools
  • Java/PHP application security

about-project :


  • We’re looking for an Application Security Specialist who’s ready to turn security into a core part of how we build. If you love digging into code, automating defenses, and making applications safer every day - this role is for you!

responsibilities :


  • Implement and monitor security measures across applications, systems, and networks.
  • Define and refine security requirements in collaboration with development and infrastructure teams.
  • Configure, harden, and troubleshoot application and security components.
  • Build tools and solutions to detect, mitigate, and automate remediation of vulnerabilities.
  • Manage vulnerability assessments, penetration tests, and external bug bounty reports.
  • Champion secure coding practices throughout the SDLC through reviews, threat modeling, and security gates.
  • Integrate automated security checks into CI/CD pipelines with development teams.
  • Investigate and respond to security incidents, performing technical analysis and containment.
  • Assess overall security posture, identify gaps, and drive continuous improvement.
  • Deliver clear reports, dashboards, and executive summaries on risks, remediation progress, and trends.

requirements-expected :


  • Minimum of a bachelors degree in computer science, information systems, and/or equivalent formal training or professional experience.
  • Minimum of 3 years of experience in IT or information security.
  • Over 3 years of experience with security systems.
  • Detailed technical knowledge of database and operating system security.
  • Experience with SIEM and SOAR technologies.
  • Experience in network security and network technology, as well as familiarity with system, security, and network monitoring tools.
  • Knowledge of internet technologies (web applications, web services, service-oriented architectures) and network protocols.
  • Familiarity with cybersecurity standards frameworks such as ISO and NIST.
  • Experience with various cloud computing platforms and cloud security frameworks.
  • Experience in preparing reports and documentation based on independent findings.
  • Strong understanding of the OWASP Top 10 application security risks.
  • Practical experience with Java and PHP application security.
  • Knowledge of secure development and code review best practices for web applications.
  • Advanced level of Polish and English (both written and spoken).
  • Problem-solving skills and ability to work under pressure.
  • Effective communication with IT and technical departments.
  • Strong analytical thinking.
  • Ability to work independently.

offered :


  • Employment under a contract of employment.
  • Benefits: ability to develop one’s own package in MyBenefit system.
  • Access to an internal training platform.
  • Possibility to work in a hybrid model.
  • Friendly work atmosphere in a cooperation-driven team.
  • Work in an international organization operating in a rapidly changing industry.

benefits :


  • sharing the costs of sports activities
  • private medical care
  • remote work opportunities
  • integration events

  • Praca Warszawa
  • Chief security officer Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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