[Remote] Full Stack AI Engineer – BuilderEx

Note: The job is a remote job and is open to candidates in USA. Ryz Labs is seeking a Full Stack AI Engineer – BuilderEx to create intelligent identity experiences across their platforms. This role involves building full-stack applications and integrating AI/ML models for identity verification and fraud detection, while collaborating closely with product, security, and platform teams.ResponsibilitiesDesign, build, and maintain full-stack applications powering identity and access management (IAM) experiencesDevelop and integrate AI/ML models for identity use cases such as fraud detection, anomaly detection, risk-based authentication, and identity verificationLead and execute SSO migrations across products and platforms, consolidating authentication flows while minimizing user disruptionDrive domain consolidation initiatives by unifying identity systems, services, and user data models across multiple platforms or brandsImprove developer experience (DevEx) by building internal tools, SDKs, APIs, and documentation that simplify identity integrationsDesign and evolve secure, scalable APIs supporting authentication, authorization, and identity data servicesPartner closely with Security, Platform, and Product teams to implement and standardize protocols and patterns such as OAuth 2.0, OpenID Connect, SAML, JWT, and zero-trust architecturesEnsure AI-powered identity systems are observable, explainable, and production-ready, with robust monitoring and feedback loopsBalance security, performance, and usability while maintaining high standards for privacy and complianceContribute to architectural decisions, technical design discussions, and code quality standardsSkills5+ years of experience as a Full Stack Engineer, Platform Engineer, or AI Engineer with ownership of production systemsStrong proficiency in JavaScript/TypeScript and modern frontend frameworks (React, Next.js, or equivalent)Backend development experience with Python, Java, or Node.js, including building secure, scalable APIsHands-on experience delivering AI/ML solutions into production environmentsSolid understanding of identity and access management (IAM) concepts, including authentication, authorization, and identity lifecycleProven experience leading or contributing to SSO migrations using OAuth 2.0, OpenID Connect, and/or SAMLExperience with domain consolidation or identity unification initiatives across multiple applications or platformsDemonstrated ability to improve developer experience (DevEx) through internal tooling, APIs, SDKs, or platform improvementsExperience working with cloud platforms (AWS, GCP, or Azure) and containerized environments (Docker, Kubernetes)Strong security mindset, including experience designing systems with privacy, compliance, and resilience in mindAbility to collaborate cross-functionally and communicate complex technical concepts clearlyBackground in cybersecurity, fraud detection, trust & safety, or abuse preventionExperience with graph-based ML, NLP for security signals, or time-series anomaly detectionKnowledge of adversarial ML, model evasion techniques, or secure model designExperience building systems operating under strict latency or reliability constraintsPrior work in regulated or high-risk environmentsSecurity certifications or relevant coursework (e.g., OSCP, CISSP concepts)Experience with SIEM/SOAR tools or security telemetry platformsPublications, talks, or open-source contributions in AI, security, or related fieldsCompany OverviewRYZ Labs is a venture capital firm. It was founded in 2021, and is headquartered in Los Angeles, California, USA, with a workforce of 51-200 employees. Its website is https://ryzlabs.com/.