Staff Security Engineer, Fullscript

• This role is ideal for someone who started their career in software engineering and developed deep expertise in security engineering, application security, or product security
• We're looking for someone who has owned systems end-to-end; from application development and infrastructure decisions through security design and implementation; Understands how to build secure, scalable solutions in production environments
• The ideal candidate is deeply technical, highly collaborative, and energized by solving difficult problems that span multiple teams, systems, and domains
• 8+ years of software engineering experience designing, building, and operating production systems
• 3+ years of recent experience in application security, product security, security engineering, or a related security discipline
• Deep understanding of secure software development, modern application architectures, APIs, and cloud-native environments
• Experience owning complex technical initiatives from problem definition through delivery, including working across multiple teams and stakeholders
• Proven ability to influence technical direction, mentor engineers, and drive adoption of security best practices
• Strong hands-on experience with security tooling, automation, vulnerability management, and security assessments
• Excellent communication skills, strong technical judgment, and a continuous learning mindset

Desirable

• We're looking for a Staff Security Engineer to join Fullscript's Security Engineering team as a senior technical leader and hands-on builder
• You'll work closely with engineering teams to design and implement security solutions that scale across Fullscript's products and platforms
• As a Staff-level engineer, you'll own complex technical initiatives, help shape security strategy, and influence how security is built into the software development lifecycle
• You'll be expected to balance hands-on execution with technical leadership, mentoring engineers and helping teams solve security challenges in a way that supports both business objectives and engineering velocity
• Lead the design and implementation of security solutions across Fullscript's applications, platforms, and AI-powered systems
• Partner with engineering teams to embed security throughout the software development lifecycle, including architecture reviews, threat modeling, secure coding practices, and design reviews
• Drive application security, product security, and vulnerability management initiatives from concept through implementation
• Own complex security challenges that span multiple teams, balancing technical requirements, business priorities, and engineering constraints to deliver scalable solutions
• Mentor engineers and security practitioners, raising the bar for secure software development and helping teams make sound security decisions
• Influence technical strategy and security standards through hands-on engineering, technical leadership, and cross-functional collaboration
• Stay ahead of emerging threats, security technologies, and AI-specific risks to help shape Fullscript's long-term security posture

• All offers are contingent on successful background checks conducted in compliance with federal, state, and provincial laws