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ITDS Polska Sp. z o.o.

Senior Cybersecurity Penetration Tester – Mobile, Web, Infrastructure

ITDS Polska Sp. z o.o. Show all offers
16500 - 19900 PLN
B2B
Hybrid
Senior
Kraków
Expires Oct 10, 2026
9 days ago

In short

Senior Penetration Tester (Mobile, Web, Infrastructure) in Kraków. Conduct comprehensive penetration tests, collaborate with security teams, document risks, and integrate security into CI/CD. Requires 3+ years of experience, strong knowledge of mobile security, TCP/IP, and scripting. Offers B2B contract, full-time, hybrid work, medical package, and Pluralsight access.

AI-written summary based on the listing content.

Technologies we use

About the project

This is how we organize our work

This is how we work

Your responsibilities

  • Lead and perform comprehensive penetration tests across various technologies including mobile, web, and infrastructure.
  • Collaborate with virtual teams of security specialists to deliver high-quality security solutions.
  • Articulate and document security risks, root causes, and mitigation strategies clearly and professionally.
  • Drive testing activities that highlight and prioritize risks aligned with the organization’s risk appetite.
  • Support security controls, standards, and regulatory compliance through expert advice and assessment.
  • Engage with DevOps teams to integrate security testing into CI/CD pipelines and automate routine tasks.
  • Conduct security assessments and source code reviews for mobile applications, infrastructure, and web services.
  • Develop and demonstrate proof-of-concept exploits when necessary to validate vulnerabilities.
  • Mentor junior team members and facilitate knowledge sharing.
  • Stay informed on emerging vulnerabilities, testing tools, and security best practices.

Our requirements

  • At least 3 years of proven hands-on experience in penetration testing.
  • Strong knowledge of platform security models for iOS and Android.
  • Practical experience with manual and automated security testing for infrastructure, web, and mobile technologies.
  • Excellent TCP/IP understanding and web application security testing skills.
  • Programming/scripting proficiency.
  • Knowledge of cryptography applications within security testing.
  • Fluency in English (written and spoken).
  • Ability to communicate complex technical issues clearly to diverse audiences.
  • Strong time management and self-discipline skills.

Optional

  • Experience with common mobile technologies (HTML, XML, JavaScript, REST, etc.).
  • Knowledge of static and dynamic application security testing tools (SAST, DAST, IAST).
  • Experience with security code reviews for Java, Objective-C, Swift, Kotlin.
  • Certifications such as OSCP, CEH, or relevant expertise in mobile/cloud security.

What we offer

  • Stable and long-term cooperation with very good conditions
  • Enhance your skills and develop your expertise in the financial industry
  • Work on the most strategic projects available in the market
  • Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years
  • Participate in Social Events, training, and work in an international environment
  • Access to attractive Medical Package
  • Access to Multisport Program
  • Access to Pluralsight
  • Flexible hours

Benefits

#GETREADY to meet with us!

ITDS’s Whistleblower Procedure

Published 2026-09-10
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