JA
Jahanzaib Ahmad Full-Stack Engineer
Hello! I Am Jahanzaib Ahmad Hand-drawn arrow
Jahanzaib Ahmad 3D Developer Avatar
A Full-Stack Developer who

Judges a book
by its cover Hand-drawn oval ...

Because if the code does not impress you what else can?

Available for Urgent Tasks (< 2h Turnaround)
⚡ 100% Escrow Milestone Protected

I'm a Full-Stack Web Developer. |

Currently, I'm an On-Demand Full-Stack Engineering Partner.

A results-driven full-stack software engineer with 4+ years of hands-on experience building resilient web applications, mission-critical bug fixes, high-throughput web scrapers, and scalable backend APIs. I bridge modern aesthetic frontend design with rock-solid distributed architecture.

Work Experience & Core Services

Specialized full-stack engineering delivered with rapid SLA guarantees, rigorous test coverage, and milestone protection.

Emergency Bug Remediation 3D Icon

Emergency Bug Remediation (< 2h)

Rapid live triage for production crashes, Next.js hydration failures, checkout flow dropoffs, and database lockouts under 2 hours.

Turnaround: 1–2h • SLA < 15m
Web Scraping 3D Icon

Web Scraping & Data Pipelines

Headless browser clusters (Playwright / Puppeteer), Cloudflare & Datadome evasion, proxy rotation, and clean BigQuery/PostgreSQL delivery.

Turnaround: 2–4h • 100k+ Records
API Integrations 3D Icon

API & Webhook Architecture

Stripe, PayPal, Shopify, CRMs, Zapier, Webhook listeners & idempotent Redis architecture built for zero drop and high concurrency.

Turnaround: Same Day • 0% Loss
Landing Page Architecture 3D Icon

90+ PageSpeed Web Applications

Speed-first web development engineered for sub-second LCP, zero layout shifts, WCAG AA accessibility, and maximum conversion rates.

Turnaround: 24–48h • 90+ Score

I partner with founders and engineering teams who value shipping fast, resilient code and reliable execution.

Skills Constellation Diagram
React & Next.js Node.js & Express Python (Playwright / BeautifulSoup) TypeScript Tailwind CSS PostgreSQL & Redis Stripe & Webhooks Docker & CI/CD
All demos run live — no login required

Try My Work Live

Three fully interactive demos — click any card to experience the actual product.

Featured Projects

Real production systems engineered with measurable performance and business outcomes.

Featured Project • E-Commerce Infrastructure

Shopify & WooCommerce Sync Engine

A resilient webhook-driven synchronization engine reconciling inventory, order statuses, and customer data across 50,000+ active SKUs with sub-second latency, Redis pub/sub queueing, and zero data drop during high-traffic flash sales.

Node.js Redis PostgreSQL Shopify API Webhooks
Shopify Sync Engine Interface Architecture Mockup
Anti-Detect Scraper Dashboard Architecture Mockup
Featured Project • Distributed Automation

Anti-Detect Distributed Web Scraper

Industrial-grade data extraction cluster collecting 100k+ daily listings with automated browser fingerprint evasion, TLS spoofing, dynamic residential proxy cycling, schema validation, and automated BigQuery export pipelines.

Python Playwright Docker BigQuery FastAPI
Modern Product Launch Figma design
Featured Project • Figma to Code

Modern Product Launch — Figma to HTML

Pixel-perfect conversion of a Figma community design into a fully responsive, animated HTML page. Scroll-reveal animations, infinite marquee, product grid with cart interactions, newsletter form, and complete design system in pure CSS.

Figma HTML/CSS Intersection Observer CSS Grid
Transparent Scope & Pricing

Instant Project Estimator

Select your technical requirements to generate an immediate turnaround timeline and fixed escrow milestone estimate.

Tier: 1 (Basic)
Basic / Single File Standard Component Advanced Integration Enterprise Pipeline
Estimated Total (Escrow)
$50 • Fixed milestone
Turnaround: 1–2 Hours

Let's Build Something Exceptional

Available for emergency bug fixes, contract engineering, and on-demand full-stack partnerships. Send over your repo or error logs for a response within 15 minutes.

© 2026 Jahanzaib Ahmad. Senior Full-Stack Engineering Partner.
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