As a Pentester, you will be working for our client, a leading global financial institution known for delivering a wide range of innovative financial services across capital markets, risk management, and digital platforms. In this role, you will be part of an elite internal penetration testing team assessing critical systems, applications, and cloud infrastructures. The client is focused on secure software development, operational resilience, and proactive risk mitigation.
You will test high-value systems, access source code, and work directly with engineers to implement secure solutions across global environments.
Join us and hack for Good – Protect What Matters!
Warsaw-based opportunity to work in hybrid model.
responsibilities :
Perform penetration tests on internal web applications, cloud environments, and infrastructure
Identify and report vulnerabilities with clear technical and business impact
Analyse source code, configurations, and systems to support deep security assessments
Develop proof-of-concept exploits or demonstrate real-world attack vectors
Collaborate with engineers to recommend fixes and propose systemic improvements
Document findings in structured reports for technical and non-technical audiences
Participate in red team exercises and threat simulation scenarios
Review server, network, and cloud configurations for weaknesses
Share knowledge and techniques with peers in the internal security community
Contribute to the continuous evolution of internal testing tools and frameworks
requirements-expected :
Proven experience in penetration testing across web applications, cloud, and infrastructure
Strong understanding of web security principles and ability to build exploit chains
Proficiency in analysing systems via source code review and reverse engineering
Familiarity with tools such as Burp Suite, Wireshark, netcat, and Ghidra
Knowledge of one or more programming languages like Java, Python, JavaScript, or C++
Solid understanding of the TCP/IP stack and common network protocols
High-level knowledge of cryptographic concepts and their implementation risks
Experience developing or customizing proof-of-concept exploits
Awareness of security concerns in cloud-native architectures
offered :
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 :
sharing the costs of sports activities
private medical care
flexible working time
fruits
integration events
corporate gym
mobile phone available for private use
computer available for private use
saving & investment scheme
no dress code
coffee / tea
drinks
christmas gifts
birthday celebration
sharing the costs of a streaming platform subscription