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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Security Engineer DeFi & AI Security - **Company:** ANTS TECHNOLOGY, INC - **Location:** New York, NY, United States (Remote available) - **Experience:** Expert - **Salary:** $180,000.0 - $210,000.0 - **Contract:** Permanent contract - **Skills:** Microsoft Access, JavaScript (Programming Language), Artificial Intelligence, Cloud Computing Security, Cyber Security, Digital Assets, Intrusion Detection and Prevention, Python (Programming Language), Blockchain, Security Information and Event Management, Systems Integration, TypeScript, Software Vulnerability Management, Large Language Models, Software Security, Security Orchestration, Automation & Response - **Published:** August 10, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=b8e1d129d4d025ca ## About the Role * 5+ years of hands-on security engineering experience across product/application security and security operations. * Strong track record conducting technical security assessments of software and systems. * Experience with system hardening, security policy analysis, and implementing effective security controls. * An adversarial mindset with the ability to think like an attacker and challenge assumptions. * Proficiency in Python, TypeScript, or JavaScript. * Experience working with Claude Code, Codex, or similar AI development tools. * Hands-on experience applying AI/LLMs to security automation and building reusable tools adopted by engineering teams. * Experience owning security projects end-to-end, from vendor evaluation and selection through organization-wide rollout. * Experience securing high-value or high-throughput transaction systems. * Excellent communication skills with the ability to explain technical security risks clearly and drive findings to closure. Bonus Points * Experience in crypto, blockchain, DeFi, or on-chain security. * Experience securing financial infrastructure or transaction-heavy platforms. ## Description We are looking for a Senior Security Engineer to partner with the Head of Security and help build, operate, and scale the company's security program. You'll work at the intersection of capital, risk, technology, and blockchain, securing systems that support sophisticated financial activity and high-value digital assets. You'll own security initiatives across product, infrastructure, and operations, designing controls, automation, monitoring, and detection capabilities for highly adversarial environments. What You'll Do * Threat model new product features and integrations and strengthen systems with effective security controls. * Operate and improve the application security toolchain while keeping it high-signal for engineering teams. * Own day-to-day security operations across EDR, SIEM, on-chain monitoring, identity, and cloud security. * Triage security alerts, investigate incidents, resolve vulnerabilities, and continuously reduce security noise. * Assess vulnerability and bug-bounty findings based on actual exposure and drive remediation through completion. * Support incident response activities from initial investigation through resolution. * Lead security tooling and projects from evaluation and vendor selection through company-wide implementation. * Collaborate closely with engineering, infrastructure, product, and other teams. * Automate repetitive security workflows using AI, including vulnerability management, AppSec, access reviews, SOC 2 and audit evidence collection, vendor due diligence, and recurring security reporting. * Build reusable AI components, Claude skills, and security agents that can be adopted by engineering and other teams. ## Related Videos - [The New AI Security Stack: Observe, Detect, Protect](https://www.wearedevelopers.com/videos/100302-the-new-ai-security-stack-observe-detect-protect) - [Pragmatic Blockchain Design Patterns: Integrating Blockchain into Business Processes](https://www.wearedevelopers.com/videos/1579-pragmatic-blockchain-design-patterns-integrating-blockchain-into-business-processes) - [Do TypeScript without TypeScript](https://www.wearedevelopers.com/videos/327-do-typescript-without-typescript) - [Thinking Differently - How to Make Money from Cyber Attacks & Cheats](https://www.wearedevelopers.com/videos/745-thinking-differently-how-to-make-money-from-cyber-attacks-cheats) - [Automated Security for the Entire SDLC](https://www.wearedevelopers.com/videos/100323-automated-security-for-the-entire-sdlc) - [Develop a Blockchain Application in JavaScript with Lisk SDK](https://www.wearedevelopers.com/videos/188-develop-a-blockchain-application-in-javascript-with-lisk-sdk) ## Related Articles - [Dev Digest 134 - Where pixels sing?](https://www.wearedevelopers.com/magazine/477-dev-digest-134-where-pixels-sing) - [The Overflow: Security and Privacy](https://www.wearedevelopers.com/magazine/715-the-overflow-security-and-privacy) - [Dev Digest 138 - Are you secure about this?](https://www.wearedevelopers.com/magazine/486-dev-digest-138-are-you-secure-about-this) - [Navigating the AI Shift](https://www.wearedevelopers.com/magazine/629-navigating-the-ai-shift) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 132 - Binging WADFlix?](https://www.wearedevelopers.com/magazine/473-dev-digest-132-binging-wadflix)