Database/SQL Expert

Based in Lyon, France, our Research and Development team is composed of creative, motivated and talented engineers who develop innovative applications for data management. If you have a penchant for solving complex and interesting technical challenges, we would like to hear from you.

About us

Semarchy is an innovative software company building an MDM (Master Data Management) solution.
We’ve got the best MDM technology. We only hire the very best people!
Semarchy was designed from the ground up to be a great place to work. We work on interesting projects with creative people and treat everyone like royalty.

We are looking to add multiple engineers to our software development team. We know your current team is probably great too, but you haven’t met ours yet. When you do, take some time and say goodbye to your “co-workers” but invite your “friends” to come on over for a visit.

About the role

Semarchy is looking for a Database/SQL expert. Semarchy xDM architecture relies heavily on the underlying database to do the heavy lifting of the match & merge engine and integration process.
You’ll be working with the development team to help them optimize the product to leverage the best of the underlying database.

The ideal candidate will have 5+ years of experience as a database expert with a very strong experience on Oracle and PostgreSQL and some software development skills in Java.


  • Work with software engineer on optimization of match engine & certification process.
  • Setup and develop performance tests to handle high data volumes (~100M records and above).
  • Develop tools to help with monitoring of performance regressions.
  • Provide level 2 support on database performance issues.


  • Passion for learning
  • Excellent knowledge of SQL
  • Strong expertise on Database tuning (Oracle, PostgreSQL)
  • Fluency in English

Bonus Skills

  • SQL Server
  • Experience with AWS RDS

To Apply

For immediate consideration, please send a text (ASCII), Word, PDF or HTML version of your resume to The subject field of your email must include Database/SQL Expert – Lyon.

To all recruitment agencies: We do not accept agency CVs.

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