Expand the application security landscape at Coupa
Being a hands-on developer is a key responsibility in this role, with strong proficiency in secure coding practices
Strong software development skills in languages such as Java, .Net, and Python
Ability to perform code reviews and mentor junior team members
Passion for building security-focused features that perform at scale
Track vulnerability reports and contribute security fixes
Design and implement application changes to meet security compliance requirements
Lead and execute Security Architecture Reviews, Threat Modeling, and Design Reviews for new and existing platform components to proactively identify and mitigate security risks.
Conduct Security Reviews for AI/ML models and systems, addressing unique risks associated with data integrity, model poisoning, privacy, and adversarial attacks.
Evaluate new security technologies and make recommendations to strengthen our application
Be a champion of Coupa’s Secure Software Development Lifecycle (SSDLC) methodologies, integrating security earlier into the development pipeline.
Work closely with the Operations Security team to review and define our best practices

Leadership & Experience: 2+ years as a Lead Software Engineer or Lead AppSec Engineer; able to independently drive projects from design through delivery.
Technical Expertise: Strong in Java, .NET, or Python; experienced building secure web applications/microservices and designing complex, distributed systems.
Security Architecture & Threat Modeling: Skilled in formal security architecture/design reviews and threat modeling methods (STRIDE, DREAD).
Security Foundations: Deep knowledge of OWASP Top 10, SANS Top 25, identity and access management (SAML, OIDC, SSO), OAuth flows, and core cryptographic algorithms (DES, RSA, HMAC, SHA, etc.).
Systems & Development Practices: Familiar with design patterns, scalability, high availability, concurrency, and SQL/NoSQL databases; strong communication, self-motivation, and continuous learning mindset.
Additional/Preferred Skills: Background in AI/ML security (MLOps, adversarial robustness), compliance frameworks (HIPAA, PCI, SOX, FedRAMP), plus conference presentations or open-source contributions.

Collaborative Culture: We value collaboration and teamwork, and our culture is driven by transparency, openness, and a shared commitment to excellence.
Pioneering Technology: At Coupa, we're at the forefront of innovation, leveraging the latest technology to empower our customers with greater efficiency and visibility in their spend.

Lead Application Security Engineer

Key skills