Performance Engineer

XPalo Alto, United Stateslast year

125000USD - 300000USD

Job Description:

As a Performance Engineer for JVM Tuning & Performance Optimization at X, you will play a critical role in our tech stack evolution. Your primary focus will be on optimizing Java and JVM usage across our entire fleet of services.

Key Responsibilities:

JVM Tuning: Deep dive into JVM internals to optimize memory management, garbage collection strategies, and thread management for peak performance.
Performance Analysis: Conduct thorough performance profiling and analysis to identify bottlenecks in Java applications running on JVM. Use tools like JProfiler, VisualVM, or custom profiling solutions.
Modernization: Lead initiatives to modernize our use of Java and JVM technologies, including upgrading JVM versions, adopting new Java features, and integrating cutting-edge JVM configurations.
Documentation & Education: Create and maintain documentation on best practices for JVM usage. Educate and mentor other engineers on JVM tuning and Java performance techniques.
Monitoring & Alerting: Implement monitoring solutions to track JVM performance in production environments, setting up alerts for potential performance issues.

Skills & Qualifications:

Technical Expertise:

Expert level Java programming skills.
Deep understanding of JVM internals, including but not limited to memory management, garbage collectors, JIT compilers, and class loading.
Proficiency with JVM configuration parameters and their impact on performance.
Experience with performance profiling tools and methodologies.

Nice to Have:

Experience with other JVM languages like Kotlin or Scala.
Contributions to open-source JVM or Java projects.
Familiarity with modern Java frameworks and their JVM interactions.

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FAQ

Is the Performance Engineer position at X remote?: Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
What is the salary for the Performance Engineer role?: The posted salary range for this position is 125000USD - 300000USD.
When was this Performance Engineer job posted?: This listing was posted on June 11, 2025 and is still open for applications.
How do I apply for the Performance Engineer position at X?: Use the apply button on this page — it takes you directly to the employer’s application page.