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Modern monitoring & analytics. See inside any stack, any app, at any scale, anywhere

Open-Source Software Engineer - Java

$90k – $135k AngelList Est.
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About Datadog:

We're on a mission to build the best platform in the world for engineers to understand and scale their systems, applications, and teams. We build highly scalable systems that process trillions of data points every day to provide real time alerts, visualizations, log aggregations, and application traces for tens of thousands of companies. Our engineering culture values pragmatism, honesty, and simplicity to solve hard problems the right way.

The team:

The APM Team at Datadog provides mission critical application health and performance monitoring for customers of all sizes and industries. We’re taking a new approach to APM with distributed tracing, profiling and seamless integration with Datadog’s Infrastructure and Logs products.

The opportunity:

We are looking for an expert Java developer who can help push our JVM tracing and profiling tools to the next level. Come and join us to build amazing open-source software!

You will:

  • Write open-source code that instruments thousands of Java applications around the world
  • Drive our open-source Java projects and engage with the community to find and fix the most important challenges
  • Join a great team building software the right way


  • Your knowledge of JVM is deep and you’ve been in direct contact with JVM internals
  • You’re knowledgeable about JIT optimization techniques, you’ve wrestled different garbage collector algorithms, fixed race conditions and you know the acronyms BCI and ASM
  • You’ve written piles of clean, correct, well-tested, performant, idiomatic Java code
  • You’re experienced with tools to collect diagnostic and profiling data (e.g. JFR and JMC)
  • You’re experienced with performance optimization of applications, frameworks and libraries
  • You want to work in a fast, high growth startup environment that respects its engineers and customers

Bonus points:

  • You know another language that runs on the JVM, like Scala or Clojure
  • You have significant experience with Python, Go, Javascript, Ruby or PHP
  • You have experience with Java EE
  • You have experience with multiple programming models for concurrency, such as Akka
Paris • EugeneRemote
Hires remotely
Job type
Visa sponsorship
Not Available

Medical insurance

Retirement savings plan

Open paid time off

Catered lunches

Snacks & drinks

Fitness fund

Commuter benefits

Outings & events

Referral bonus

Datadog at a glance

Modern monitoring & analytics. See inside any stack, any app, at any scale, anywhere

Datadog focuses on SaaS, Enterprise Software, Information Technology, Analytics, and Software. Their company has offices in New York City, San Francisco, New York, Boston, and Chicago. They have a very large team that's between 1001-5000 employees. To date, Datadog has raised $147.9M of funding; their latest round was closed on September 2019 at a valuation of $11B.

You can view their website at https://www.datadoghq.com or find them on Twitter and LinkedIn.

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