Security Engineer, Application Security

🕒 May 12

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Writer

WebsiteLinkedInAll Job Openings

51 - 200 employees

🤖 Artificial Intelligence

🏢 Enterprise

☁️ SaaS

Artificial Intelligence • Enterprise • SaaS

Writer is a company focused on building generative AI applications for enterprises. Its platform integrates tools like Palmyra LLMs and Knowledge Graph to enhance data accuracy and workflow efficiency. Writer allows businesses to rapidly deploy custom AI solutions, support various industries such as finance, healthcare, and retail, while maintaining strict compliance with security standards. Its offerings enable both no-code app development for business users and API access for developers, making AI accessible and effective for business needs.

📋 Description

• Build security into the DNA of our AI platform by conducting threat modeling sessions with product teams, designing secure architectures for new features, and ensuring security considerations shape product decisions from day one—not after the fact • Own and evolve our application security program including establish and maintain SAST/DAST scanning in CI/CD pipelines, conducting security code reviews for critical changes, and building automation that catches vulnerabilities before they reach production • Partner with engineering teams to establish and champion secure coding standards, creating reusable security patterns and libraries that make it easier for developers to build securely by default • Design and recommend security features and products that help secure customer environments. You are the advocate and the vision for how we protect and secure customers. • Integrate and leverage AI agents to help increase velocity for the security team and the overarching engineering org to ensure that we are proactive in minimizing risk while we build products • Lead security assessments and penetration testing of WRITER's applications, AI services, and APIs, identifying vulnerabilities across our tech stack and working collaboratively with teams to remediate issues at scale • Design and implement security controls for protecting data pipelines, model training environments, and customer-facing AI agents • Stay ahead of emerging threats in the AI/ML security landscape, researching attack vectors specific to LLMs and generative AI, and proactively building defenses against novel risks

🎯 Requirements

• 4+ years of hands-on experience in application security engineering, with a proven track record of securing large-scale production systems—bonus points if you've worked in fast-growing startups or high-growth environments • Understanding of developer experience and developer workflows for shipping features and products. You care deeply about reducing risk while considering velocity of engineers. • Technical expertise in at least two programming languages (Python, Java, Go, JavaScript/TypeScript) and the ability to read and review code across multiple languages, understanding both business logic and security implications • Knowledge of security tools and methodologies including SAST/DAST solutions, vulnerability management platforms, security testing frameworks, and DevSecOps practices—you know which tools to use and when automation beats manual review • Excellent communication skills that allow you to translate complex security concepts into clear recommendations for both technical and non-technical audiences—you can explain why something matters and motivate teams to action • A builder's mindset that looks for opportunities to automate, scale, and empower rather than create bottlenecks—you understand that security enables the business, not blocks it • Alignment with WRITER's values of Connect (building strong relationships across teams), Challenge (pushing the boundaries of what's possible in AI security), and Own (taking end-to-end responsibility for the security of our platform)

🏖️ Benefits

• Generous PTO, plus company holidays • Comprehensive medical and dental insurance • Paid parental leave for all parents (16 weeks) • Fertility and family planning support • Early-detection cancer testing through Galleri • Competitive pension scheme and company contribution • Annual work-life stipends for: • Wellness stipend for gym, massage/chiropractor, personal training, etc. • Learning and development stipend • Company-wide off-sites and team off-sites • Competitive compensation and company stock options