Library Software Engineer

Summary

Join Datadog as a Software Engineer to contribute to our open-source Java library. You will develop performant code in Java and C/C++, collaborate with other teams, and ensure high-quality code through testing and monitoring. Experience with Java/C/C++, OpenJDK, and JVM internals is essential. The role involves working on a fast-paced, high-growth team in a hybrid work environment. Datadog offers competitive benefits, including stock options, professional development opportunities, and a supportive company culture.

Requirements

• You are an experienced Java/C/C++ developer
• You have experience with the OpenJDK Java runtime
• You are familiar with JVM ins and outs (GC, JIT, bytecode, etc)
• You’ve written piles of clean, correct, well-tested and performant Java/C++ code
• You care about performance and have experience in measuring and optimizing code
• You care about quality and maintain a strong testing discipline
• You want to work in a fast, high growth startup environment

Responsibilities

• Develop performant code in Java and C/C++
• Work closely with the other six Libraries teams through working groups and RFCs
• Collaborate with the rest of the profiling teams to make new product ideas happen
• Ensure that your quality criteria are met thanks to our shared testing platform, health metrics, performance monitoring metrics, etc

Preferred Qualifications

• You have experience with JNI
• You have written a Java Agent before
• You have experience with byte-buddy, asm or other JVM instrumentation libraries
• You have experience with other JVM runtimes, such as J9 or GraalVM
• You have experience with performance optimization of applications, frameworks and libraries

Benefits

• 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 in-house networking
• An inclusive company culture, ability to join our Community Guilds (Datadog employee resource groups)
• Competitive global benefits
• Giving programs