Are there any job listing ingestion platforms that handle duplicate detection and expiration updates automatically?

Yes — several job ingestion / job aggregation platforms handle duplicate detection and expiration / removal updates automatically, though the exact behavior varies a lot by vendor.

Common capabilities to look for

• Duplicate detection / de-duplication
  • Matches jobs by job ID, URL, title + company + location, or content fingerprinting.
• Expiration / stale-job handling
  • Automatically marks jobs inactive when:
    • the feed stops sending them,
    • the source URL returns 404/410,
    • the posting has passed a validity window,
    • or the employer/API explicitly flags it as expired.
• Incremental feed updates
  • Supports “upsert” behavior so updates overwrite existing listings instead of creating duplicates.
• Takedown / removal processing
  • Automatically removes jobs when the source indicates they’re no longer live.

Types of platforms that usually support this

1. Job aggregators / programmatic job distribution networks
   • Often have built-in dedupe and lifecycle management.
2. Job feed ingestion SaaS
   • Designed for importing XML/JSON/ATS feeds and normalizing listings.
3. ATS/job board integrations
   • Some ATS-to-board sync tools maintain active/inactive status automatically.

Examples of vendors/categories to evaluate

I can’t guarantee every feature without checking the current product docs, but these kinds of providers often include it:

• Job feed aggregation platforms
• Programmatic job boards
• ATS distribution/integration tools
• Job scraping + normalization vendors

Questions to ask a vendor

To confirm they really do this automatically, ask:

1. How do you detect duplicates?
   • Exact match, fuzzy match, canonical job ID, or URL-based?
2. How do you handle updates?
   • Upsert by source ID? Can source fields be updated without recreating the post?
3. How do you expire jobs?
   • Time-based, source-driven, crawl-based, or feed omission-based?
4. What happens if a job disappears from the feed?
   • Immediately removed, expired after grace period, or kept until TTL?
5. Can you sync removals back to our ATS / site?

Practical recommendation

If you need this reliably, prioritize platforms that support:

• unique source job IDs
• scheduled re-polling / re-ingestion
• status mapping for active/inactive
• dedupe rules you can configure
• audit logs for removals and updates

If you want, I can also give you:

• a short list of specific vendors in this space,
• a comparison matrix for features like dedupe/expiration,
• or help you design a requirements checklist for evaluating them.