Senior Application Security Engineer

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Senior Application Security Engineer in the United States.

This role is an exciting opportunity to shape the security posture of high-impact web3 applications, focusing on protecting user assets, identities, and digital interactions. You will work closely with development teams to embed security into the software development lifecycle, influence secure design practices, and respond to emerging threats in a rapidly evolving environment. The position offers hands-on coding, vulnerability management, and collaboration with ethical hackers, allowing you to directly impact the safety and reliability of widely used applications. You will also have the opportunity to innovate through automation, AI-assisted vulnerability detection, and security tooling. Success in this role ensures that user trust is maintained at scale while providing mentorship and guidance to engineering teams. It is ideal for self-driven engineers passionate about security, web3, and building resilient, user-focused systems.

Accountabilities:

Conduct security design reviews, threat modeling, and code audits to ensure secure application development
Identify, triage, and remediate vulnerabilities reported through bug bounty platforms or internal testing
Collaborate with development teams to implement security fixes and preventative measures
Develop and maintain security automation, tooling, and AI-assisted processes to streamline vulnerability detection and resolution
Provide guidance on secure software development practices, SSDLC improvements, and operational security standards
Mentor engineers on security best practices, embedding a culture of security throughout product teams
Participate in roadmap planning, team meetings, and cross-functional initiatives to strengthen application security

Requirements:

6+ years of experience in software development and application security, including at least 4 years in a product or application security role
Hands-on experience securing web applications, APIs, and server-side environments
Strong background in vulnerability assessment, threat modeling, and secure code reviews
Proficiency in coding and software development, with a focus on integrating security into the SDLC
Excellent communication skills, both written and verbal, and proactive, self-driven work style
Familiarity with modern web and mobile application security risks and mitigations
Preferred: experience with Ethereum, decentralized applications, and familiarity as a MetaMask user

Benefits:

Competitive salary range ($130,000 – $218,000 USD, depending on experience and skills)
Remote work flexibility across most time zones with some overlap with EU and US-Pacific time zones
Equity and performance-based bonuses (subject to eligibility)
Comprehensive healthcare coverage including medical, dental, and vision plans
Paid parental leave and family-forming benefits including fertility, adoption, and surrogacy support
Professional development opportunities, career growth, and mentorship programs
Collaborative, high-trust environment promoting autonomy, learning, and innovation

Why Apply Through Jobgether?

We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team.

We appreciate your interest and wish you the best!

Why Apply Through Jobgether?

Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.

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Senior Application Security Engineer

Requirements:

Benefits:

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