Fahim Faisal

Fullstack engineer with over 4 years of experience building scalable, event-driven backends and automation systems. Skilled in TypeScript & Golang, with a strong record in web scraping, microservices, performance optimization, and open-source contributions.

Full Stack Developer at Automatio: No-code Web Automation & Scraping Tool (2023-02 – 2025-02)

• Developed an AI-driven RAG pipeline to auto-generate content, reducing manual creation time by 95%.
• Redesigned proxy rotation to a domain-based strategy, reducing QuickNode RPC cost by ~$1,000/month.
• Optimized a server function from 700 ms to 7 ms (100x faster) by pre-calculating and persisting results.
• Built a multi-threaded bot runner, reducing scraping time by 50% and increasing throughput.
• Migrated REST API infrastructure to an event-driven architecture, achieving 10x performance improvement.
• Enhanced full application response time from 7s to 400ms (20x faster) by indexing high-volume queries.
• Resolved critical production bugs during live outages, restoring uptime within ~20 min and preventing downtime.
• Led browser extension versioning, deployment, and monitoring, ensuring stable and timely releases.
• Improved team efficiency through authoring SOPs that standardized development communication.

Web Developer at DataAutomators (2022-05 – 2023-01)

• Implemented a RESTful scraper API engine that extracted structured data from any website.
• Developed a custom DOM CSS selector engine that predicted related elements within the same HTML page.
• Built a Chrome scraper extension that extracts structured data with 90% accuracy.

BSC in Statistics – Rajshahi College (2017-11 – 2024-02)