Staff Software Engineer (React)

This is a 6-month contract to start and is an ON SITE position in Mountainview, CA. NO C2C or sponsorship is available. Please do NOT email if you are an employer.Required experience (MUST HAVES)8+ years of professional software engineering experience.Deep expertise in frontend and full-stack web development.Expert-level proficiency in React and TypeScript.Track record building complex, multi-step form flows and consumer-facing experiences at scale.Strong understanding of state management, async data patterns, and frontend performance optimization.Experience designing and implementing document capture or file upload flows.Proven ability to lead frontend technical initiatives end-to-end with minimal oversight.Strong collaboration and communication skills across design, product, and backend engineering.Experience building identity verification, credentialing, or eligibility flows.Familiarity with profile-based or attribute-based access control models.Background in employment compliance, professional credentialing, enterprise access management, or member benefits.Experience with digital wallet or credential management experiences.Familiarity with OAuth2, OpenID Connect, and token-based authentication flows.Experience in regulated industries such as healthcare, government services, or financial services.Startup or high-growth company experience.