Application Security Specialist

About PayU
PayU, a leading payment and Fintech company in 50+ high-growth markets throughout Asia, Central and Eastern Europe, Latin America, the Middle East and Africa, part of Prosus group, one of the largest technology investors in the world is redefining the way people buy and sell online for our 300.000+ merchants and millions of consumers.

As a leading online payment service provider, we deploy more than 400 payment methods and PCI-certified platforms to process approximately 6 million payments every single day.

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
  
  
  
  

Qualifications And Experience

• Minimum of a bachelor's 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)
  
  
  
  

BEHAVIOURAL COMPETENCIES

• Problem-solving skills and ability to work under pressure
• Effective communication with IT and technical departments
• Strong analytical thinking
• Ability to work independently
  
  
  
  

What We Offer

• 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
  
  
  
  

About Us
At PayU, we are a global fintech investor and our vision is to build a world without financial borders where everyone can prosper. We give people in high-growth markets the financial services and products they need to thrive. Our expertise in 18 high-growth markets enables us to extend the reach of financial services. This drives everything we do, from investing in technology entrepreneurs, to offering credit to underserved individuals, to helping merchants buy, sell and operate online. Being part of Prosus, one of the largest technology investors in the world, gives us the presence and expertise to make a real impact. Find out more www.payu.com

Our Commitment To Building A Diverse And Inclusive Workforce
As a global and multi-cultural organization with varied ethnicities thriving across locations, we realize that our responsibility towards fulfilling the D&I commitment is huge. Therefore, we continuously strive to create a diverse, inclusive and safe environment, for all of our people, communities and customers. Our leaders are committed to create an inclusive work culture which enables transparency, flexibility and unbiased attention to each and every PayUneer so they can succeed, irrespective of gender, color or personal faith. An environment where every person feels they belong, that they are listened to, and where they are empowered to speak up. At PayU we have zero tolerance towards any form of prejudice whether a specific race, ethnicity, or of persons with disabilities or the LGBTQ communities.

We use AI-supported features as part of our recruitment process to help summarize applications and assess how they align with the role. These tools support recruiters in reviewing applications more efficiently and do not replace human judgment. All final hiring decisions are made by humans.