Full-time

Machine Learning Engineer

Posted by Montash • , , Spain, , , Spain, Spain

📍 , , Spain, , , Spain 🕒 March 01, 2026

About the Role

Contract: 6 months

Location: Remote (EU-based)

Start: March

The Role:

We are supporting a global tech organisation during a critical search platform migration and are looking for a freelance Machine Learning / Search Engineer to join the team for a 6-month engagement .

This role is focused on production search systems , not research or experimentation.

You will help migrate an existing Solr-based search stack to OpenSearch , ensuring search quality, relevance, and system parity throughout the transition.

What You’ll Be Working On

  • Migrating search components from Solr to OpenSearch
  • Supporting keyword and semantic search use cases
  • Maintaining and improving search relevance and ranking
  • Ensuring parity between legacy and new systems
  • Working closely with backend and data te...

Ready to Apply?

Submit your application today and take the next step in your career journey with Montash.

Apply Now