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kamerozkan/README.md

Kamer Ozkan

I build production-oriented data products and automation APIs on Apify, focused on hiring signals, lead quality, price intelligence, reputation, invoice validation, and auditable public-web change detection.

Apify profile · LinkedIn · X

Featured work

Project What it does
ATS Job Change Feed Normalizes public jobs across eight ATS formats and emits reliable CREATED, UPDATED, and CLOSED events. Examples and schema.
LinkedIn Job Apply Link Verifier Verifies job rows against public employer and ATS evidence, returns safe apply routes, and blocks expired or unproven listings. Examples and schema.
LinkedIn Hiring Signals Monitors public LinkedIn company job pages and emits new, changed, reopened, and safely confirmed closed events. Examples and schema.
HolidayCheck Review Intelligence Collects public hotel review data and produces aspect sentiment, monthly trends, anomaly alerts, and reputation analytics. Examples and schema.
Walmart Multi-ZIP Monitor Collects ZIP-specific price, availability, seller, pickup, delivery, and shipping evidence for exact Walmart products. Examples and schema.
ProvenExpert Reviews Scraper Collects public ProvenExpert and Trusted Shops reviews, ratings, and source evidence for reputation analysis. Examples and schema.
German Delivery Menu Price Intelligence Collects postcode-specific Lieferando restaurant menus, dish prices, fees, availability, and repeat-run change evidence. Examples and schema.
DACH Package Holiday Price API Normalizes package-holiday offers across five German travel sources for hotel, airport, price-history, and comparison workflows. Examples and schema.
Home Depot Bulk Inventory by ZIP Returns point-in-time ZIP and nearby-store price, inventory, pickup, and curbside evidence for exact products. Examples and schema.
SEC Form D Fundraising Signals Normalizes official SEC EDGAR Form D filings into offering, amount-sold, fund, manager, and evidence-backed monitoring fields. Examples and schema.
XRechnung & ZUGFeRD Invoice Validator API Validates XRechnung XML and ZUGFeRD or Factur-X invoices with pinned rule versions, structured findings, PDF/A-3 checks, and SHA-256 evidence. Examples and schema.
Europe Truck Dispatch Guard Evaluates scheduled truck journeys against dated rule sets for Germany, Switzerland, and France, with official-source evidence and explicit manual-review flags. Examples and schema.
Solar Rooftop Lead Scorer Produces PVGIS-based solar pre-screen scenarios with explainable lead scores, uncertainty ranges, provenance, and site-survey warnings. Examples and schema.
B2B Lead Cleaner Produces explained ACCEPT, REVIEW, or REJECT decisions before CRM import. Examples and schema.
Google Ads Change Monitor Tracks public ad creatives and separates current scans from verified lifecycle changes. Examples and schema.

Engineering approach

  • Machine-readable contracts and stable identifiers
  • Stateful change detection with explicit failure behavior
  • Provenance, confidence, and reason codes for auditable decisions
  • Public-data workflows with clear limits and responsible-use notes

The ATS release benchmark validated 500 of 500 selected live boards and normalized 15,923 open jobs across eight adapters. Read the method and limits.

Work with me

I am available for custom Apify Actors and focused public-web data workflows. For project inquiries, contact me through LinkedIn or my Apify profile.

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  1. ats-job-change-feed-sample ats-job-change-feed-sample Public

    Input examples and JSON schema for monitoring Greenhouse, Workday, Lever, Ashby, and 4 more ATS platforms.

  2. linkedin-hiring-signals-sample linkedin-hiring-signals-sample Public

    Runnable inputs, sanitized output examples, and JSON schema for monitoring public LinkedIn company job pages for new, changed, reopened, and safely confirmed closed roles.

  3. b2b-lead-cleaner-email-validation-sample b2b-lead-cleaner-email-validation-sample Public

    Verified input/output examples and JSON schema for B2B lead cleaning, email validation, deduplication, and CRM quality decisions.

  4. google-ads-verified-change-monitor-sample google-ads-verified-change-monitor-sample Public

    Verified input/output examples and JSON schema for Google Ads Transparency creative monitoring and lifecycle change events.

  5. linkedin-job-apply-link-verifier-sample linkedin-job-apply-link-verifier-sample Public

    Real input/output examples and JSON schema for verifying LinkedIn job apply links and blocking expired or unproven routes.

  6. walmart-multi-zip-monitor-sample walmart-multi-zip-monitor-sample Public

    Verified inputs, redacted outputs, and JSON schema for Walmart price, stock, seller, pickup, delivery, and shipping monitoring across U.S. ZIP codes.