const asad = {
location: "Sialkot, Punjab, Pakistan π΅π°",
role: "Full-Stack Developer",
focus: ["Next.js", "TypeScript", "AI Pipelines"],
shipped: "multiple", // production apps from scratch
strengths: ["Multi-tenant Architecture", "Payment Orchestration", "Multi-LLM AI Systems"],
philosophy: "Modular Β· Type-safe Β· Security-first Β· Performance-obsessed",
openTo: "Freelance Β· Remote Roles Β· Collaborations",
};Self-taught developer with 3 production applications shipped from scratch β covering multi-tenant architecture, payment orchestration, and multi-LLM AI pipelines. I write modular, type-safe code focused on security and performance.
Next.js Β· React Β· Tailwind CSS Β· PostgreSQL Β· Better Auth Β· Lemon Squeezy
- β‘ Payment Orchestration β HMAC-SHA256 webhook verification + UNIQUE DB constraints for transaction idempotency;
SELECT FOR UPDATErow-level locks for concurrent stock allocation - ποΈ N+1 Elimination β Raw connection pools + PostgreSQL
json_aggsubqueries for single-roundtrip relational data fetch β ~70% latency reduction - ποΈ Strict Architecture β 4-layer unidirectional flow across ~196 source files + Next.js 16
'use cache'withcacheTagtargeted invalidation (300β600s revalidation)
Next.js Β· Supabase Β· Groq & Gemini Β· Framer Motion Β· Zustand
- π Dual-LLM Pipeline β Groq
generateTextwith automated fallback to GeminigenerateObject, identical output contracts across both providers + adaptive prompt engine - β‘ Optimistic Updates β TanStack Query optimistic mutations with context-captured rollback, eliminating perceived network latency
- π‘οΈ AI Guardrails β Multi-layer output pipeline: custom JSON sanitizer β Zod schema enforcement β typed error classification (SyntaxError/ZodError/generic β 502/500)
Next.js Β· Convex Β· Clerk Β· Groq Llama 3.3 Β· Zod Β· Framer Motion
- β‘ Reactive Sync β Convex WebSockets for instant database-to-client updates and live job board tracking
- π€ Sub-1s CV Analysis β Groq Llama 3.3 + Zod pipeline generating structured JSON comparisons & keyword suggestions in < 1 second
- π Multi-Tenant Integrity β User data isolation enforced at schema query level via Clerk JWT validation inside Convex serverless contexts