Library Software Engineer - Java (Lisbon)
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Library Software Engineer - Java (Lisbon), Lisbon
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Client:
Location:
Lisbon, Portugal
Job Category:
Other
-
EU work permit required:
Yes
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Job Reference:
451c7f2a3a75
Job Views:
5
Posted:
23. 06. 2025
Expiry Date:
07. 08. 2025
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Job Description:
Library Software Engineer - Java (Lisbon)
Lisbon, Portugal
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.
We are looking for an expert Java / Java Runtime developer who can help push our JVM tracing, profiling and dynamic instrumentation tools to the next level. Come and join us to build amazing
- source software!
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
- life harmony that best fits them.
What You’ll Do:
- Write
- source code that instruments thousands of Java applications around the world with minimal overhead - Drive our
- source Java projects and engage with the community (e. g. the Datadog community, Open
JDK and Open
Telemetry) to find and fix the most important challenges - Join a great team building software the right way
Who You Are:
- Your knowledge of the 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,
- 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
- You are not afraid to explore the code base of existing frameworks and libraries
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.
Bonus Points:
- You know another language that runs on the JVM, like Scala or Clojure
- You have significant experience with C++/C or Rust
- You have experience with Java EE
- You have experience with multiple programming models for concurrency, such as Akka
- You have experience with other Runtimes, such as J9 and Graal
VM
Benefits and Growth:
- New hire stock equity (RSUs) and employee stock purchase plan (ESPP)
- Continuous professional development, product training, and career pathing
- Intradepartmental mentor and buddy program for
- house networking - An inclusive company culture, ability to join our Community Guilds (Datadog employee resource groups)
- Access to Inclusion Talks, our Internal panel discussions
- Free, global mental health benefits for employees and dependents age 6+
Benefits and Growth listed above may vary based on the country of your employment and the nature of your employment with Datadog.
- Informações detalhadas sobre a oferta de emprego
Empresa: Datadog Localização: Lisboa
Lisboa, Lisboa, PortugalPublicado: 9. 7. 2025
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