Languages
Frontend & Backend
Infrastructure & Data
Self-taught engineer specializing in TypeScript and Python, with working knowledge of Go and Rust. I design and ship complete systems end-to-end — from browser agents that control real Chromium instances via CDP, to serverless AI orchestrators and multi-tenant SaaS platforms with live payment infrastructure.
Open to remote Full Stack / AI engineering roles.
🚀 MultiTenant SaaS: B2B2C platform, 100+ API routes, 33 tables, tenant subdomains, GST invoicing with atomic payment allocation, AES-256-GCM PII, RAG advisor.
A curated spotlight of upstream contributions across production Auth frameworks and Agentic browser infra.
| PR | Subsystem | Contribution Description |
|---|---|---|
| #405 | casting |
Fix: validate session ID from URL against active session (prevents unauthorized cast takeover) |
| #389 | api |
Fix: cleanup session when casting target page is not found (resolves CDP connection leak, #388) |
🛡️ Better Auth
| PR | Subsystem | Contribution Description |
|---|---|---|
| #11687 | sso |
Fix: allow rotating SAML IdP signing certificate with linked accounts |
| #11663 | core |
Fix: verify Microsoft Entra ID tokens when JWKS keys omit alg |
| #11819 | one-tap |
Fix: apply Google provider mapProfileToUser and getUserInfo (co-authored) |
| #11730 | sso |
Fix: accept SAML responses addressed to the callbackUrl ACS (co-authored) |
B.E. Information Technology — Rajiv Gandhi Institute of Technology, Andheri, Mumbai, India — 2025–2029
Portfolio · portfolio-sufiyan.pages.dev