Freelance Data Engineer · Available for new projects

Zaryab Haider

Top-Rated Plus on Upwork20M+ records/day99%+ success rate

What I Do

I build data pipelines that collect millions of records daily from heavily protected websites (Cloudflare, DataDome, Akamai) and reverse engineer private/mobile APIs to deliver clean, structured data — on time, every time.

0M+

records daily

0+

complex sites

0.0%

avg success rate

Case Studies

Pipelines shipped at scale

A selection of production scrapers and reverse-engineered APIs delivering clean data to clients across ticketing, e-commerce, fintech, and recruitment.

50k Events & 20M Ticket Prices Daily — TickPick / SeatGeek

TickPick / SeatGeek

50k Events & 20M Ticket Prices Daily

Built high-frequency scrapers for two major ticket platforms, overcoming Cloudflare and DataDome with rotating residential IPs and fingerprint randomization.

  • 20M+ tickets/day
  • 99.4% success
  • <5 min freshness
Download sample CSV
700k Electronic Parts Searches Monthly — Arrow.com

Arrow.com

700k Electronic Parts Searches Monthly

Engineered an async scraper performing 700,000 part searches/month, bypassing session-based rate limits and dynamic tokens.

  • 700k searches/month
  • 95% less manual work
  • Zero IP bans
Download sample CSV
9,000+ Starbucks Stores & 6M Products Weekly — DoorDash

DoorDash

9,000+ Starbucks Stores & 6M Products Weekly

Monitors full menus & pricing for every US Starbucks location on DoorDash weekly using Playwright with geolocation simulation.

  • 9,000+ stores
  • 6M products
  • 100% coverage
Download sample CSV
Reverse Engineered Fintech App's Private API — Mobile Trading App

Mobile Trading App

Reverse Engineered Fintech App's Private API

Decoded HMAC-signed requests of a mobile trading app to stream real-time price data. Eliminated a $4k/month vendor subscription.

  • <500ms latency
  • 99.9% uptime
  • One-time build

Full case study available upon request

E-commerce Price Monitoring for 200+ Retailers — Price Intelligence Platform

Price Intelligence Platform

E-commerce Price Monitoring for 200+ Retailers

Built a unified scraping infrastructure for a price intelligence platform, collecting product prices, availability, and promotions from 200+ e-commerce sites with dynamic content.

  • 200+ sources
  • 5M products/day
  • Real-time alerts
Large-Scale Job Board Aggregation — AI Recruitment Platform

AI Recruitment Platform

Large-Scale Job Board Aggregation

Scraped multiple job boards and company career pages to feed an AI-powered recruitment platform, handling geolocation and session rotation.

  • 1M+ job listings/month
  • 95% freshness
  • Multi-country support

Need data from a site that fights back?

Let's talk through your scraping challenge and map out a reliable pipeline — no obligation.

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