Senior Performance Engineer: Java Latency & Scalability

Apex Systems; Southlake (TX); Hybrid; USD 69,000 - 90,000; Full time

Benefits offered by this job

Health benefits

401K

ESPP

Job summary

Everforth Apex Systems is seeking a Senior Performance Engineer to join the team in Southlake, TX. The role focuses on planning and delivering performance and resiliency initiatives for a Java-based trading platform, with emphasis on latency, scalability, and reliability across environments.

You will build workloads, analyze bottlenecks, and partner with teams to implement improvements while maintaining dashboards and automation tools. Strong Core Java, JVM, and testing experience are required.

Qualifications

• Bachelor's degree in computer science or engineering.
• Minimum 5 years in performance, scalability, software engineering, or production performance analysis.
• At least 2 years of hands-on Java development experience.
• Experience with performance, scalability, failover, recovery, and resiliency testing.
• Deep Core Java knowledge including JVM internals, concurrency, memory, GC, and latency.

Responsibilities

• Plan and deliver performance, scalability, resiliency, and capacity validation for assigned systems.
• Learn architecture, business flows, dependencies, workloads, and production behavior.
• Define requirements, workloads, and acceptance criteria with partner teams.
• Build performance test scripts, workload generators, mock services, and automation.
• Run load, stress, endurance, and recovery tests; analyze JVM, logs, and metrics.
• Recommend improvements to code, config, infra, and design; maintain dashboards and tools.

Skills

Core Java

Java performance

Multithreading

JVM tuning

Performance testing

Load testing

Observability

Linux

Education

Bachelor's degree in Computer Science or Engineering

Tools

JMeter

Gatling

Splunk

Grafana

Docker

Kubernetes

Job description

Everforth Apex Systems is seeking a Senior Performance Engineer to join the team in Southlake, TX. The role focuses on planning and delivering performance and resiliency initiatives for a Java-based trading platform, with emphasis on latency, scalability, and reliability across environments.

You will build workloads, analyze bottlenecks, and partner with teams to implement improvements while maintaining dashboards and automation tools. Strong Core Java, JVM, and testing experience are required.