This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
Fullscript is seeking a seasoned Staff Security Engineer to join our security team as a senior technical leader. In this role, you’ll shape the technical vision for product and AI security across the organization, mentoring teammates and driving impact through deep technical expertise and cross-functional collaboration.
Job Responsibility:
Lead the design and implementation of robust security architectures for Fullscript’s applications, and AI initiatives
Collaborate closely with engineering teams to embed security into the development lifecycle, including threat modeling, security coding practices, and design reviews
Drive AI security best practices, ensuring responsible deployment, and mitigation of risks such as data poisoning, prompt injection, or model exploitation
Mentor engineers and other security team members, fostering a culture of security awareness and technical excellence across the organization
Conduct technical risk assessments, security research, and code reviews to proactively identify and remediate vulnerabilities
Influence cross-functional teams through technical leadership, helping define security standards and strategies that scale across Fullscript’s products and AI ecosystem
Stay ahead of emerging threats, attack vectors, and AI-specific security challenges to guide strategic decisions for the organization’s security posture
Requirements:
Deep technical expertise in application security, and secure software development
Experience with AI/ML security
Strong understanding of modern software architectures, cloud environments, and APIs
Proven ability to influence and mentor engineers across teams, fostering security-first thinking and best practices
Hands-on experience with security tooling and automation, including static/dynamic analysis, monitoring, and observability systems
Strong problem solving skills, able to balance security rigor with product velocity
Excellent communication and collaboration skills, able to translate complex security concepts to technical and non-technical stakeholders
Nice to have:
Experience with protecting / hardening of health data
Experience securing Ruby on Rails, Javascript, GraphQL applications
Familiarity with regulatory and compliance frameworks relevant to software and AI security is a plus (e.g. SOC 2, NIST)
What we offer:
Generous PTO and competitive pay
Fullscript’s RRSP match program for financial health
Flexible benefits package and workplace wellness program
Training budget and company-wide learning initiatives