August 13, 2026

The role of an Application Security Engineer / Penetration tester at Growe

Growe welcomes those who are excited to:
  • Triage, validate, and prioritize security findings from SAST, SCA, and Secret scanning tools, filter out false positives, assess risks, and track issues through to remediation;
  • Conduct manual and tool-assisted code reviews to identify security vulnerabilities, logic flaws, and insecure implementation choices before code reaches production;
  • Perform hands-on penetration testing of web applications, microservices, and APIs to uncover security vulnerabilities and business logic flaws; 
  • Audit REST and GraphQL APIs and web applications with a strong focus on core application security risks, authentication, authorization, and business logic.
We need your professional experience:
  • 2-4 years of experience in Product Security, or Penetration Testing (Application Security Engineer / Penetration tester); 
  • Hands-on experience triaging and analyzing findings from Semgrep / OpenGrep, Gitleaks, Trivy, and OSV-Scanner;
  • Experience with Burp Suite (Pro), Nuclei, Subfinder, SQLmap, Metasploit, and NetExec; 
  • Deep understanding of classic OWASP Top 10 vulnerabilities, including Injection flaws (SQLi, Command Injection), Server-Side Request Forgery (SSRF), Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF), Broken Access Control / Insecure Direct Object References (IDOR / BOLA), Security Misconfigurations, Cryptographic Failures, Insecure Deserialization, and Mass Assignment;
  • Solid knowledge of OWASP API Security Top 10 for REST and GraphQL architectures; 
  • Deep understanding of identity protocols and access control mechanics (OAuth 2.0, OIDC, JWT, SAML, RBAC/ABAC);
  • Ability to identify complex authorization bypasses, session management flaws, and business logic bugs;
  • Ability to read and analyze modern application code to spot security flaws (will be a plus); 
  • Understanding of cloud security principles in AWS environments and Kubernetes (K8s) security fundamentals (will be a plus);
  • Intermediate level of English (spoken and written).
We appreciate if you have those personal features:
  • Strong communication skills to effectively collaborate with engineering, product, and DevOps teams;
  • Result-oriented mindset;
  • Openness to learning.
We are seeking those who align with our core values:
  • GROWE TOGETHER: Our team is our main asset. We work together and support each other to achieve our common goals;
  • DRIVE RESULT OVER PROCESS: We set ambitious, clear, measurable goals in line with our strategy and driving Growe to success;
  • BE READY FOR CHANGE: We see challenges as opportunities to grow and evolve. We adapt today to win tomorrow.

To learn more about Growe  visit their website

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Always read and understand the full job requirements before you apply

Experience
Minimum 2-4 years
Work Level
Junior - Mid Level
Employment Type
Full Time
Salary
$competitive
Valid Until
September 12, 2026
Industry
Strategic Management Services
Company size
501 - 1000 employees
Founded in
2019
Location
Warsaw, Poland