Senior Application Security Engineer
New
J
JobgetherWeb3 Security
Germany, Some overlap across European and US-Pacific time zones.Full-TimeSenior
Salary not disclosed
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Job Details
- Experience
- 6+ years
- Required Skills
- Node.jsBlockchainEthereumJavascriptReact
Requirements
- 6+ years of experience building and securing software, including substantial hands-on application or product security experience.
- Strong experience securing modern backend systems, web applications, and APIs.
- Proven experience with threat modeling, security architecture or design reviews, vulnerability assessments, and application security testing.
- Hands-on experience securing JavaScript-based applications across web and/or mobile environments, particularly Node.js, React, or React Native.
- Strong programming and coding skills, with the ability to work directly with software engineers to identify vulnerabilities and implement secure solutions.
- Solid understanding of modern web and mobile security principles, common attack vectors, exploitation techniques, and appropriate mitigations.
- Familiarity with blockchain technology, particularly Ethereum, decentralized applications, and cryptocurrency wallets.
- Strong communication and interpersonal skills, with the ability to influence technical decisions and collaborate effectively across distributed teams.
- Ability to work with some overlap across European and US-Pacific time zones.
Responsibilities
- Investigate vulnerabilities reported through the bug bounty program, determine their root cause and severity, and assess the appropriate remediation path.
- Collaborate with ethical hackers to triage security reports and work directly with product and engineering teams to resolve identified vulnerabilities.
- Document vulnerabilities clearly and precisely so engineering teams can understand, prioritize, and remediate issues efficiently.
- Write production-quality code to support security engineering initiatives and remediate vulnerabilities across client applications.
- Develop and contribute to AI-powered security tooling that supports vulnerability analysis, determination, and remediation as the threat landscape evolves.
- Assess potential vulnerabilities across applications and APIs and work with development teams to ensure remediation within established security SLAs.
- Support new product and feature development through security design reviews, threat modeling, security testing, and code reviews.
- Identify weaknesses and gaps in the secure software development lifecycle and proactively lead initiatives to strengthen security practices and controls.
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