Staff Product Security Engineer – Security

Phantom

. Perform regular security assessments on new projects, infrastructure and code .

Posted 9/21/2026full-timeRemoteLead💰 $200,000 - $250,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates extensive experience in offensive security techniques, particularly in blockchain technology and cryptography, while effectively collaborating with development teams to enhance secure coding practices and mitigate vulnerabilities. Proficient in conducting security assessments and writing detailed reports to communicate findings to both technical and management teams.

Highest-signal resume keywords

Offensive Security TechniquesBlockchain TechnologyCryptographyCode Review for JavaScript & TypescriptApplication Security Threats

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Security AssessmentsVulnerability MitigationThreat ModelingAutomated ToolsManual TestingPoC DevelopmentPatch Code ReviewAnalytical SkillsProblem-Solving Skills

Soft Skills

Verbal CommunicationWritten Communication

Industry Keywords

Application SecurityWeb ApplicationsMobile ApplicationsIncident ResponseIncident Management

Tech Stack

Tools & technologies

JavaScriptTypeScript

About the role

Key responsibilities & impact

Perform regular security assessments on new projects, infrastructure and code
Identify and mitigate vulnerabilities in code, systems and networks through manual testing, automated tools, threat modeling and threat intelligence
Monitor offensive security techniques, application security threats and blockchain security best practices; recommend security posture improvements
Write detailed findings reports and present them to management and technical teams
Help prevent real-world attacks
Work with development teams on secure coding practices and cryptographic function integrity
Collaborate with development and platform teams to integrate security across the organization
Participate in incident response and incident management
Lead large cross-team projects

Requirements

What you’ll need

7+ years of experience in offensive security techniques, with a focus on blockchain technology and cryptography
Strong understanding of security risks, vulnerabilities and concepts in web and mobile applications
Proficient in code review for JavaScript & Typescript
Strong understanding of application security threats and offensive security techniques
Ability to write PoCs to prove vulnerabilities
Ability to review patch code against repository owner and maintainer standards
Strong analytical and problem-solving skills
Good verbal and written communication skills

Benefits

Comp & perks

Competitive salary and equity
Comprehensive insurance (medical/dental/vision) — 100% covered
Stipend for your ideal remote set-up
Flexible hours and a supportive remote environment
Unlimited vacation
401(k) retirement plan
Monthly wellness benefit
Weekly meal benefit
Global off-sites