Key Responsibilities:

• •Developed a production B2B applicant tracking platform for European SMB recruiters using Next.js and React with a Supabase / PostgreSQL backend, deployed across Vercel and Hetzner
• •Designed and shipped end-to-end Stripe billing covering subscription checkout, idempotent webhook handling, multi-seat team plans with seat management, and proration preview flows
• •Built a CV analysis pipeline that extracts and structures candidate data from resumes, using SHA-256 hash caching to avoid reprocessing and multi-signal duplicate detection
• •Implemented production-grade infrastructure with centralized logging and error tracking (Axiom + Sentry) through security middleware, signed storage URLs, and ClamAV virus scanning on file uploads
• •Engineered authentication with Google OAuth (OIDC) using a PKCE flow, stateless-token password reset, and cookie-based session management on Supabase SSR