Senior Application Security Engineer

March 6

⛰️ Colorado – Remote

Although this job is listed in Colorado, this company may be open to hiring remote in other states.

💵 $140k - $200k / year

⏰ Full Time

🟠 Senior

💻 Application Engineer

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FusionAuth

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FusionAuth is a leading provider of customer identity and access management (CIAM) solutions, offering a fully integrated platform that simplifies authentication, authorization, and user management for organizations. With advanced security features such as multi-factor authentication, single sign-on, and biometric authentication, FusionAuth helps businesses secure user data and streamline access across applications. The platform's deployment flexibility allows users to self-host or utilize FusionAuth Cloud, catering to various industries including healthcare, gaming, retail, and fintech.

Security • IAM • CIAM • Login • Registration

11 - 50 employees

Founded 2009

🔒 Cybersecurity

🤝 B2B

💳 Fintech

📋 Description

• Develop high-quality, performant, and secure code to safeguard our applications and user data. • Write and maintain extensive, security-focused tests, including unit, integration, and vulnerability tests. • Design and implement new features with an emphasis on secure coding practices and risk mitigation. • Maintain our software with bug fixes, enhancements, and security patches. • Produce clear, high-quality documentation for new features and security protocols. • Contribute to platform roadmap planning and software architecture with an application security perspective. • Rotate as the on-call engineer to resolve critical issues, ensuring both functionality and security for customer issues. • Provide technical support to customers, including security-related troubleshooting. • Advocate for best practices in security within the Engineering organization. • Participate in threat modeling, code reviews, and security audits to strengthen our applications against vulnerabilities.

🎯 Requirements

• 10+ years of professional software development experience with a significant focus on application security. • Bachelor’s degree in Computer Science or equivalent practical experience with a strong understanding of secure software development principles. • Proven experience in roles with security responsibilities, such as PEN testing, bug bounties, or similar security assessments. • Highly proficient in object-oriented design and implementation with a secure development mindset. • Strong understanding of the full web stack, including HTTP, TCP/IP, and REST, with an awareness of potential vulnerabilities in these areas. • Experience building highly available, high-performance, scalable, and secure applications. • Expertise in developing multi-threaded, API-first applications with secure data handling practices. • In-depth knowledge of unit, integration, and vulnerability testing to ensure the robustness of our applications. • Strong knowledge of databases, data modeling, and performance tuning, including secure data management. • Experience across the stack, from cloud infrastructure to front-end security practices.

🏖️ Benefits

• Comprehensive medical, dental & vision plans • 401k with employer match • Flexible spending account (FSA) • Paid holidays & flexible paid time off (PTO) • Professional growth & development opportunities