Software Security Engineer, Writer

• 8+ years in software engineering, building production systems
• 5+ years developing security-focused tools, libraries, or platforms
• Proven success building systems adopted by hundreds of engineers
• Experience with fraud detection or abuse prevention at scale
• Deep expertise in distributed systems and API design
• Strong programming skills in Go, Python, or similar languages
• Expert in software design patterns and scalable architectures
• Proficiency with authentication and authorization protocols (OAuth, SAML, OIDC)
• Understanding of LLM security challenges and mitigation strategies
• Experience building high-performance, customer-facing systems
• Hands-on with data processing, analytics, and automation platforms
• Track record of 90%+ adoption of security tools by engineering teams
• History of reducing security friction through automation and thoughtful design
• Proven ability to scale security systems to millions of users
• Strong product sense and empathy for customer experience

Desirable

• WRITER is seeking a Software Security Engineer (Embedded) to design, build, and scale the systems that protect our users, their data, and their interactions with our AI/AGI services
• At WRITER, we believe security should be seamless for our customers—baked into the platform so it’s invisible in daily use, but unyielding against abuse
• This role blends deep software engineering expertise with a product mindset to deliver security tools, frameworks, and controls that serve millions of users without slowing them down
• You’ll be responsible for fraud prevention, abuse detection, identity systems, and secure-by-default development platforms that empower our engineering teams to move quickly without compromising safety
• If you can turn complex security requirements into elegant, developer-friendly solutions, this is your stage
• What You Own (Responsible)
• Customer authentication and authorization systems
• Fraud and abuse detection systems
• Customer-facing AI security controls
• Internal security platforms and tools
• Security libraries and frameworks for engineering teams
• Security metrics and dashboards
• What You Don't Own (Others Lead)
• Employee identity systems (Enterprise/Corporate owns)
• Infrastructure identity (Cloud/Infrastructure owns)
• AI security research (AI Security owns)
• Infrastructure security tools (Cloud/Infrastructure owns)
• Compliance requirements (GRC owns)
• Key Partnerships
• With AI Security: They research threats; you build customer protections
• With Detection & Response: They detect attacks; you build preventive systems
• With Cloud/Infrastructure: They provide infrastructure; you build security features
• With Enterprise/Corporate: Clear boundary at customer vs. employee identity
• Protect customers at scale — Build fraud detection, rate limiting, abuse prevention, and LLM interaction controls (prompt injection prevention, output filtering)
• Own customer identity security — Design and implement authentication and authorization systems, protecting customer data and AI service interactions
• Engineer security platforms — Create tools and dashboards that automate repetitive security tasks, track vulnerabilities, and enable cross-team security efficiency
• Build reusable security frameworks — Develop secure-by-default APIs, SDKs, cryptographic libraries, and communication frameworks for company-wide use
• Strengthen platform security — Implement multi-party authorization, secrets management, audit logging, and zero-trust networking components
• Empower developers — Deliver self-service security tools and frameworks that integrate seamlessly with engineering workflows
• Lead technically — Drive the architecture of security systems, mentor engineers, review designs, and influence security strategy across the organization