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Senior Software Engineer - XPQ

Datadog

Madrid, Community of Madrid, Spain Full-time February 18, 2026

Found Description

Senior Software Engineer - XPQ

Madrid, Spain

The Cross-Product Queries (XPQ) team designs, builds and operates query languages, systems and services that join, aggregate, and transform the observability data that reside in Datadog’s petabyte-scale storage systems - such as metrics, logs and application traces. The platform serves live traffic of thousands of queries per second, powering key Datadog product features. 

At Datadog, we place value in our office culture - the relationships that it builds, the creativity it brings to the table, and the collaboration of being together. We operate as a hybrid workplace to ensure our employees can create a work-life harmony that best fits them.

What You’ll Do:

  • Building and operating query execution engines, working on query planning, cost-based optimization, and writing operators
  • Dive deep into the query language design and syntax to build new language features to...
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