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Ehsan Firdaus

PROFILE

Ehsan Firdaus

Ehsan Firdaus developed and maintained large-scale web scraping infrastructure for the alltheplaces/alltheplaces repository, focusing on reliable data extraction and coverage expansion across global retail and banking domains. He engineered robust spiders using Python and Scrapy, integrating APIs, Playwright automation, and proxy management to overcome blocking and site variability. His work included refactoring spiders for maintainability, implementing error handling and timeout strategies, and standardizing data parsing for structured outputs. By addressing region-specific challenges and automating POI recovery, Ehsan improved data completeness and reduced operational risk, demonstrating depth in distributed crawling, asynchronous programming, and cross-brand data engineering within a complex, evolving codebase.

Overall Statistics

Feature vs Bugs

41%Features

Repository Contributions

340Total
Bugs
82
Commits
340
Features
57
Lines of code
14,470
Activity Months12

Work History

October 2025

24 Commits • 1 Features

Oct 1, 2025

October 2025 – alltheplaces/alltheplaces: Focused on stabilizing the spider crawling pipeline, expanding POI recovery, and tightening region-specific mappings. Delivered cross-brand spider reliability improvements, introduced Playwright-based POI recovery for Inditext, and fixed targeted region mappings. Result: higher data completeness, fewer failed crawls, and stronger resilience for downstream analytics. Demonstrated end-to-end capabilities from failure handling to recovery across multiple regions and brands.

September 2025

22 Commits • 2 Features

Sep 1, 2025

September 2025 highlights focused on stabilizing the AllThePlaces spider ecosystem, expanding regional coverage, and strengthening resilience against blocking and data gaps. Key investments in proxy-based scraping, region-wide bug fixes, and feature enhancements delivered tangible business value: higher data quality, more complete coverage across partner sites, and reduced operational risk. The month also advanced performance tuning and error handling to support scalable growth and faster onboarding of new sites. What was delivered: - Proxy-based Spider Resilience: introduced proxy usage to mitigate blocking and improve scraping reliability across regions. - Region-wide stability fixes: implemented extensive spider fixes across multiple partners (e.g., McDonalds AT, Walmart US, Truist US, Pizza Hut FR, Toyota AU, Burger King EG, and more) to reduce failures and increase data completeness. - EE days feature: added days for EE to extend coverage and data capture for Estonia. - Performance and robustness improvements: increased download delay for Walmart US to prevent timeouts and addressed XMLSyntaxError fixes (KFC PH) to stabilize scraping under higher load. - Site-wide bug fixes: resolved a broad set of site-specific spider issues (Deutsche Bank US, Auchan FR, Davita, Frankie/Bella/Banana groups, Denner CH, Five Guys CN, Tango, Caprinos GB, Burger King CN, and others) to restore crawl reliability and data accuracy.

August 2025

25 Commits • 5 Features

Aug 1, 2025

In 2025-08, the alltheplaces project significantly expanded ATM data coverage and hardened spider reliability across multiple banks and brands, delivering richer POIs, improved data quality, and scalable scraping capabilities that support business growth.

July 2025

31 Commits • 3 Features

Jul 1, 2025

Monthly summary for 2025-07 (repository: alltheplaces/alltheplaces) Key features delivered: - Santander BR: Added spider covering 1,606 locations. - Added spider crawlers for Argenta BE (351 locations), Fnbc CA (3,580 locations), Fulton Bank US (222 locations), Saque e Pague BR (2,032 locations), Unicredit Bank IT (7,279 locations), Paypoint GB (2,730 locations), and Banco Da Amazonia BR (138 locations). - Societe Generale ATM Locations: Added ATM locations dataset. Major bugs fixed: - Spider reliability fixes across multiple retailers to reduce timeouts, HTTP 429 errors, and proxy usage issues (examples include Dominos Pizza AU/NL/DE, Walmart CA, Circle K SE/NO, Blink). - Timeout handling improvements for Smoothie King KY US spider and increased timeout for Burger King BS to accommodate slower responses. - General spider reliability improvements to fix inconsistent results across banks and update proxies. Overall impact and accomplishments: - Significantly increased data coverage and scraping reliability across retail and banking domains, enabling faster onboarding of new locations and more reliable daily data refreshes. - Reduced error rates and data gaps due to timeouts and proxy-related issues, enhancing downstream data quality for analytics and decision-making. - Demonstrated end-to-end capability to add large-scale location spiders and improve resilience in distributed crawling pipelines. Technologies/skills demonstrated: - Distributed web crawling, spider design and maintenance, timeout handling, and dynamic proxy management. - Cross-repo collaboration and large-scale feature rollout (multi-tenant bank and retailer coverage). - Robust debugging and fix deployment across diverse data sources, with a strong emphasis on data completeness and reliability.

June 2025

37 Commits • 1 Features

Jun 1, 2025

June 2025 monthly summary for alltheplaces/alltheplaces. Focused on stabilizing and scaling spider-based data ingestion across multiple vendors and regions, with targeted bug fixes, API URL updates, and strategic maintenance to reduce operational risk. Key deliveries include a Spider Renaming Refactor for maintainability, Carrefour BE API URL update to align with the new endpoint, and removal of inactive spiders (The Body Shop TW) to reduce wasted crawler effort. Also implemented increased timeouts to handle slower responses, and widespread reliability fixes across regions to address timeouts, low scraped counts, and spider blocking. Maintenance actions include removing the Badcock US spider as the brand ended, further decreasing maintenance surface. Overall impact is improved data reliability, higher ingestion success rates, and lower long-term maintenance costs. Demonstrated technologies and skills include Python-based spider framework, reliability engineering, API coordination, cross-brand collaboration, and proactive issue detection and refactoring.

May 2025

60 Commits • 7 Features

May 1, 2025

May 2025: Strengthened data collection reliability and coverage across the alltheplaces spider ecosystem. Implemented Playwright-based execution and API improvements, refactored crawl strategy with Sitemap & SD, and introduced vendor-specific enhancements (new Minor Hotels spider; renamed Corner Bakery Cafe and Farmers Home Furniture spiders). Explored proxy-free spider runs and proxy usage to optimize reliability and cost. Delivered universal spider fixes across 15+ brands, driving higher data quality and stability.

April 2025

18 Commits • 11 Features

Apr 1, 2025

April 2025 performance for alltheplaces/alltheplaces focused on expanding data coverage, increasing reliability, and simplifying maintenance across 20+ spider jobs. Delivered cross-brand framework improvements, richer data extraction, and stability fixes that directly impact data quality and operational efficiency.

March 2025

27 Commits • 6 Features

Mar 1, 2025

March 2025 for alltheplaces/alltheplaces focused on expanding coverage, strengthening crawl reliability, and improving data quality across the spider fleet. Key work included large-scale regional expansions, API-driven stability improvements, and targeted URL/API fixes to prevent dead data and improve POI counts.

February 2025

30 Commits • 5 Features

Feb 1, 2025

February 2025 highlights: Delivered stability-focused refactors and expanded brand coverage for the alltheplaces/alltheplaces crawler, driving higher data reliability and broader market reach. Key features delivered include a Sport24 Spider Refactor using a JSON Blob to stabilize crawling on unstable sitemaps, JSON-based Requests to avoid XML responses, and a Brand API Refactor with Opening Hours to enrich data. Added a Multi-brand Spider for Groupe Casino and an approach to ignore robots.txt rules to broaden crawling where permissible. These features reduce data gaps, improve resilience, and simplify maintenance across the crawler stack. Major bugs fixed include extensive spider reliability improvements across 15+ brands (Santander PL, Seven Eleven MX, Mr Bricolage BE, Healius AU, Intermarche cookies/settings, California Closets, Fcbanking, Porsche Holding, McDonald’s AU timeout increases, Burger King SG cleanup, Pizza Hut VN authentication token fix, Carpet One Floor And Home, Coccinelle FR, Boost Mobile US), plus targeted cleanup like the Aerie/American Eagle spider cleanup. The Pizza Hut VN token fix addressed authentication flows to restore data availability. Overall impact: Significantly improved data coverage and crawl reliability across a broad brand ecosystem, while reducing maintenance overhead through API-driven design, standardized spider behavior, and cross-brand orchestration. Enhanced capabilities position us to deliver more timely, complete, and actionable data for customers and partners. Technologies/skills demonstrated: JSON Blob spider architecture, JsonRequest usage, Brand API with opening hours, multi-brand spider orchestration, robots.txt policy adjustments, token-based authentication handling, timeout and cookies/settings management, and rigorous cross-brand maintenance by design.

January 2025

28 Commits • 1 Features

Jan 1, 2025

January 2025: Hardened the alltheplaces crawler across 15+ retailers, delivering reliability, data quality, and timely updates for downstream analytics. Key feature delivered: refactor of the Spider to fix low scraped count (FedEx) to improve scrape yield and stability. Major bugs fixed: broad Spider fixes across numerous brands/sites to stabilize crawling and data extraction; Starbucks EU opening hours fix and POI recovery restoring data completeness. Overall impact: higher data completeness, fewer crawl failures, and faster refresh cycles, enabling stronger partner feeds and decision-making. Technologies/skills demonstrated: Python-based web scraping, robust error handling, retry/timeout strategies, stable URL usage, multi-brand spider architecture, and code quality improvements.

December 2024

22 Commits • 2 Features

Dec 1, 2024

December 2024 monthly summary focusing on key features delivered, major bugs fixed, and impact. Delivered a new Banxico MX spider, added proxy-requirement flags for Cloudflare-protected sites, and implemented guardrails against NoneType iteration crashes. Executed extensive site-wide spider fixes across CA, US, MX, RU, and AU to improve data completeness and scraping reliability. This work broadened coverage, reduced failure rates, and strengthened the resilience of the scraping pipeline for ongoing data quality and merchant coverage.

November 2024

16 Commits • 13 Features

Nov 1, 2024

Month: 2024-11 | Alltheplaces/alltheplaces delivered substantial data coverage expansion and quality improvements across 16 spiders, enhancing store location data reliability and breadth while reducing maintenance overhead. The work supports stronger store-find experiences and data-driven decision making for brand campaigns.

Activity

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Quality Metrics

Correctness84.4%
Maintainability85.0%
Architecture81.4%
Performance74.0%
AI Usage20.4%

Skills & Technologies

Programming Languages

JSONPythonShell

Technical Skills

API IntegrationAPI InteractionAPI integrationAsynchronous ProgrammingCSS SelectorsCode RefactoringCryptographyData CleaningData EngineeringData ExtractionData ParsingData ProcessingError HandlingGraphQLHMAC-SHA512

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

alltheplaces/alltheplaces

Nov 2024 Oct 2025
12 Months active

Languages Used

PythonJSONShell

Technical Skills

API IntegrationData EngineeringData ExtractionData ParsingPythonScrapy

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