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Datadog

Senior Software Engineer – REDAPL Graph Engine

Datadog

Senior Software Engineer building a query engine for Datadog's Referential Data Platform. Collaborating on high-visibility projects to enhance its value, resilience, and scalability.

Posted 5/27/2026full-timeRemote • 🇫🇷 FranceSeniorWebsite

Tech Stack

Tools & technologies
ApacheDistributed SystemsNeo4j

About the role

Key responsibilities & impact
  • Build a query engine that supports efficient relationship traversals for our most demanding workloads.
  • Contribute to design and drive high-priority, high-visibility projects to increase the platform's value, resilience, and scalability across multiple teams.
  • Lead and guide other engineers through architectural platform decisions
  • Identify potential system risks and trends in reliability and design solutions to address them
  • Provide input on prioritizing engineering-led initiatives in short- and long-term planning and roadmaps
  • Collaborate with internal product teams to understand their requirements and how we plan for their product growth as they integrate and depend on REDAPL

Requirements

What you’ll need
  • You have a BS/MS/PhD in a Computer Science, Engineering or related scientific field or equivalent experience
  • You have worked extensively with multiple types of data stores.
  • You have contributed to initiatives in a platform or infrastructure-focused environment for several years
  • You have led impactful technical initiatives in an environment where performance, cost efficiency, ease of use, and resilience/operability are first-order concerns
  • You have significant back-end engineering experience and have built, and operated distributed systems to solve problems at a high scale
  • Bonus points: You have experience working with Graph Databases such as Neo4j, Memgraph, JanusGraph, ArangoDB, Amazon Neptune or PuppyGraph.
  • You have production-grade experience with Apache Iceberg
  • You have a solid grasp of query planning or better yet - contributed to a production-grade query engines or related projects (e.g. Trino, Calcite, Substrait, DataFusion, etc) ideally demonstrated through open-source contributions or PMC membership on projects.

Benefits

Comp & perks
  • Get to build tools for software engineers, just like yourself. And use the tools we build to accelerate our development.
  • Have a lot of influence on product direction and impact on the business .
  • Work with skilled, knowledgeable, and kind teammates who are happy to teach and learn
  • Competitive global benefits
  • Continuous professional development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
query engine developmentback-end engineeringdistributed systemsdata store managementquery planningApache IcebergGraph DatabasesNeo4jTrinoDataFusion
Soft Skills
leadershipcollaborationproblem-solvingrisk identificationproject managementcommunicationarchitectural decision-makinginitiative prioritizationdesign contributionscalability focus
Certifications
BS in Computer ScienceMS in Computer SciencePhD in Computer ScienceEngineering degreerelated scientific field degree