Senior Backend Engineer, Security

Shelf Engine

Poland, Poland
Not specified; equity: compyny stock options; bene...
On-site
Senior backend engineering experience
Hands-on security implementation in code
Token lifecycle and access control management
Shelf Engine is seeking a Senior Backend Engineer focused on security to enhance their software systems' security posture. The ideal candidate will have hands-on experience in security implementations and a strong background in backend engineering

Job Summary

  • This role focuses on hands-on engineering to fix real security problems rather than just writing policy.
  • The company offers a B2B contract, stock options, and access to advanced AI coding tools like GitHub Copilot and Claude Code.
  • Candidates are expected to demonstrate accountability by closing security gaps across the entire codebase instead of walking away after recommendations.

Matching Summary

Match Score: 85

Shelf Engine is seeking a Senior Backend Engineer focused on security to enhance their software systems' security posture. The ideal candidate will have hands-on experience in security implementations and a strong background in backend engineering.

Salary

Not specified; Equity: Company Stock Options; Benefits: MacBook Pro hardware, GitHub Copilot subscription, Access to AI coding tools

Skills & Requirements

Must-have

  • Senior backend engineering experience
  • Hands-on security implementation in code
  • Token lifecycle and access control management
  • Debugging and investigative instincts
  • Cross-service repository sweeping

Nice-to-have

  • AI-native working style with tool verification
  • Experience improving posture after incidents
  • OWASP AI topics knowledge
  • Forensic visibility improvement skills
  • Strong written communication skills

Key Requirements

  • Senior-level backend engineering experience
  • Production system security implementation background
  • Strong debugging and investigative instincts

Work Rights

Not specified

Tailored Resume

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