Senior Software Engineer - REDAPL Graph Engine

Datadog
Lisbon, PT
On-site

Who this role is best for

Aimed at senior engineers with distributed systems expertise who thrive in platform infrastructure roles with Lisbon-based hybrid work.

Best fit for

  • Graph database experts comfortable optimizing high-scale relationship traversals
    — “Build a query engine that supports efficient relationship traversals
  • Platform engineers who prioritize performance and resilience at 4.5M updates/sec
    — “REDAPL ingests more than 4.5mil updates/second
  • Backend specialists with production experience across multiple data stores
    — “worked extensively with multiple types of data stores

Things to consider

  • Hybrid work model requires Lisbon office presence
    — “We operate as a hybrid workplace
  • High-visibility projects demand cross-team collaboration
    — “drive high-priority, high-visibility projects

How to stand out

  • Showcase specific contributions to query engine projects like Trino or Calcite
    — “contributed to a production-grade query engines
  • Document open-source work on graph databases in your portfolio
    — “experience working with Graph Databases
  • Quantify scale metrics from past distributed systems work
    — “built, and operated distributed systems to solve problems at a high scale
Pace · Fast PacedCollaboration · HighAutonomy · MediumDecision Impact · TeamLevel · Senior

Derived from job-description analysis by Serendipath's career intelligence engine.

What success looks like

  • Build and optimize a query engine for efficient relationship traversals
Typical background
Experience in backend engineering and distributed systems

Skills & requirements

Required

Distributed SystemsData IngestionQuery Pipelines

Preferred

Graph DatabasesApache IcebergQuery Planning

About the role

Original posting from Datadog

We are looking for a Senior Software Engineer to help us take REDAPL, our Referential Data Platform, to the next level. REDAPL is Datadog's main platform for tracking our customers' infrastructure resources and relationships. The platform enables products where customers can understand, keep track of, and gain insights into their infrastructure related to performance, cost, security, and more.

Many Datadog products use REDAPL today such Cloud Security Posture Management, Resource Catalog, Cloud Cost Management, and Service Catalog and others - REDAPL ingests more than 4.5mil updates/second.

As a Senior Engineer, you will drive, lead and collaborate on projects both inside and outside the platform. You can expect to contribute to key technical decisions relating to our data ingestion, processing, and query pipelines.

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

 

What You’ll Do:

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

 

Who You Are:

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.

Datadog values people from all walks of life. We understand not everyone will meet all the above qualifications on day one. That's okay. If you’re passionate about technology and want to grow your skills, we encourage you to apply.

 

Benefits and Growth:

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

Benefits and Growth listed above may vary based on the country of your employment and the nature of your employment with Datadog.

#LI-Hybrid

About Datadog: 

Datadog is the leading observability and security platform for the AI era, providing businesses with unified visibility across the technology stack to manage complexity at scale. It brings applications, infrastructure, data, models, and security into one place, using AI to detect and resolve issues before they impact customers. Trusted globally by Fortune 500 companies and high-growth AI leaders, Datadog enables businesses to move faster with clarity and confidence. Learn more about #DatadogLife on Instagram, LinkedIn, and Datadog Learning Center.

Equal Opportunity at Datadog:

Datadog is proud to offer equal employment opportunity to everyone regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, veteran status, and other characteristics protected by law. We also consider qualified applicants regardless of criminal histories, consistent with legal requirements. Here are our Candidate Legal Notices for your reference. 

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Source: Datadog careers

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