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Application Security Engineer

Kraków, PolandFull-time2026-10-06 → 2026-10-12

Core

Embed security across the application lifecycle by partnering with R&D, DevOps, and product teams to secure applications, APIs, repositories, and cloud services.

Role type

Senior Application Security / Security Architect

Builds

Secure applications, APIs, and cloud services for a global payroll and payments platform

Domain

B2B Fintech / Payroll & Payments

Required skills

threat modeling, secure software development lifecycles, architecture reviews, vulnerability management, SAST/DAST/SCA, secrets management, code review, penetration testing, bug bounty management, AI-assisted security analysis

Preferred skills

cloud-native security architecture, distributed systems security, CI/CD security, developer enablement (via careerplan.io/jobs/16-005-4F-07A-application-security-engineer-at-papaya-global)

Technologies

SAST, DAST, SCA, CSPM, AI tools for vulnerability analysis

Responsibilities

Own and mature the application-security and security-architecture program; Conduct threat modeling and security design reviews; Define security requirements and patterns for auth, authorization, and data protection; Review source code and high-risk configurations; Validate and prioritize vulnerability findings; Own penetration testing and bug bounty programs; Drive preventive improvements in engineering practices.

Seniority

Senior, hands-on IC