Sang G.
Crawler Developer
Python Developer with 3+ years of experience designing asynchronous, cleanly-architected backend systems and data pipelines. Strong focus on async Python (asyncio), FastAPI, and Redis-backed task orchestration to build scalable, maintainable services. Experienced in applying clean architecture principles, modular design, and clear separation of concerns across orchestration, ingestion, and processing layers. Proven ability to build high-performance APIs, distributed scrapers, and ETL workflows using MongoDB, Redis, and async-first frameworks, with an emphasis on reliability, performance, and long-term maintainability.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $3.5k
Billed in all: $12,183$12k
$1.8k in the last 6 months
Across 3 contracts
Across 44 contracts
Earnings, last 30 days
Skill rankings: Top 13% in Scrapy
Ranked by MRR among everyone on Upwork with the skill.
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- #32Web Crawler183 freelancers · 🇻🇳 #2Top 17%🇻🇳#2 of 6
- #120Scrapy903 freelancers · 🇻🇳 #1Top 13%🇻🇳#1 of 18
- #139Web Crawling849 freelancers · 🇻🇳 #3Top 16%🇻🇳#3 of 18
- #140Database Administration797 freelancers · 🇻🇳 #2Top 18%🇻🇳#2 of 4
- #157Sales Leads776 freelancers · 🇻🇳 #1Top 20%🇻🇳#1 of 2
- #338Selenium2,249 freelancers · 🇻🇳 #6Top 15%🇻🇳#6 of 28