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Semrush

Your competitors' favorite marketing platform used by 10,000,000 marketers

Senior Application Security Pentester

QA EngineerQA EngineerFull TimeRemoteSeniorTeam 1,001-5,000Since 2008H1B SponsorCompany SiteLinkedIn

Location

Poland

Posted

102 days ago

Salary

0

Seniority

Senior

Bachelor DegreePolishEnglishJavaPython

Job Description

Senior Application Security Pentester

Semrush

• Lead and conduct in-depth penetration tests on web applications, APIs, and other software components to identify complex security vulnerabilities. • Analyze findings, prioritize risks, and provide strategic remediation recommendations while working closely with cross-functional teams. • Develop and refine custom scripts and tools to automate and optimize security testing processes. • Stay up to date with emerging threats, vulnerabilities, and industry trends to ensure proactive defense measures. • Contribute to knowledge sharing and continuous improvement through research, training, and participation in internal and external security events (e.g., CTFs, meetups). • Support the evolution of Offensive Security practices and processes within the Security Department.

Job Requirements

  • Deep knowledge of common vulnerabilities and industry standards such as the OWASP Top 10.
  • Ability to read and understand code (e.g., Go, Java, Python) to identify security flaws.
  • Familiarity with cloud environments and related security considerations.
  • Strong analytical and problem-solving skills with attention to detail.
  • Not required but a plus: Experience using or building AI-assisted security testing solutions.
  • Certifications such as BSCP, OSWE, GWAPT, or similar.
  • Experience automating security tests in CI/CD pipelines (GitLab/GitHub CI/CD, YAML).
  • Active participation in security communities or conferences.
  • Proficiency in scripting languages (e.g., Python, Bash) to automate tasks.
  • Published CVEs or bug bounty reports.

Benefits

  • Unlimited PTO
  • Flexible working hours
  • Inter Polska Health Insurance and Life Insurance co-financing
  • Worksmile Cafeteria Program (available after 2 months of employment), including co-financing for the Multisport card
  • Mental health support–private therapy sessions (in Polish and English)
  • B2B contract is also an option
  • Employee Referral Program
  • Buddy Program
  • Corporate events
  • Teambuilding
  • Training, courses, conferences

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