Fullstack Software Dev Engineer II
Core
Build secure, scalable full-stack identity systems serving hundreds of millions of users globally, integrating AI-assisted development workflows.
Role type
Senior IC Full Stack Software Engineer (Identity)
Builds
Authentication, authorization, and account management platforms for Yahoo products
Domain
Internet / Identity & Access Management (IAM)
Deliverable
production ML models | product features
Required skills
Java, React.js, Node.js, TypeScript, distributed system design, API development, web security, AI-assisted development tools, prompt engineering, CI/CD pipelines
Preferred skills
IAM systems, OAuth/OIDC/SAML, cloud platforms (GCP/AWS/Azure), infrastructure-as-code, observability tools, Spec-Driven Development
Technologies
ReactJS, TypeScript, Java, Node.js, Next.js, Cursor, Claude Code, GitHub Copilot, Splunk, Grafana
Responsibilities
Design and operate secure full-stack identity systems; own complex features end-to-end; lead AI-first development workflows and validate AI-generated code; debug production issues in distributed systems; research AI-driven efficiencies; mentor peers on AI workflows; collaborate cross-functionally on technical integrations
Seniority
Senior, hands-on IC
