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Sr. Security Engineer (Penetration Testing)

Remote, USA Full-time Posted 2025-11-24
Responsibilities • Perform security assessments on web, mobile, thick client applications, and browser extensions • Conduct external and internal network penetration tests • Perform security source code reviews • Perform cloud security reviews • Develop comprehensive pentest reports for both technical and non-technical audiences • Research and develop innovative techniques, tools, and methodologies for pentesting applications in the blockchain space • Contribute to the community by developing tools, presentations, and blog posts Requirements • Passionate about cryptocurrency, DeFi, and blockchain, with a willingness to learn Web3 technologies such as smart contracts • Minimum of 4 years of experience in application security and penetration testing • Experienced in source code review for different languages, with a strong understanding of JavaScript and TypeScript • Experienced in mobile application penetration testing • Familiar with cloud platforms and their security risks, such as AWS, Azure, and GCP • Experience in programming with scripting languages such as Python and Bash • Solid understanding of cryptography • BS/MS/PhD in Computer Science or Information Security • Strong spoken and written communication skills Bonus Points • Experienced in pentesting Web3 applications such as crypto exchanges, wallets, Dapps, and key custodian solutions • Experienced in smart contract security audits • Familiar with browser extension architecture and security risks • Actively participate in the blockchain security community • OSCP, OSWE, OSCE, GWAPT, or comparable certification • Participated in bug bounty programs and audit contests • Published security-related blog posts and spoken at security conferences and/or local meetups Apply tot his job Apply tot his job Apply To this Job

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