Java Performance Engineer

Compunnel, Inc.; Southlake (TX); On-site; USD 80,000 - 130,000; Full time

Job summary

An established industry player is on the lookout for a talented Java Performance Engineer to enhance the efficiency of a high-volume, real-time trading platform. This role offers a unique opportunity to work across the entire application stack, tackling performance challenges from the client interface to backend services. You'll collaborate closely with QA and development teams to ensure a resilient system, making significant contributions to performance monitoring and analysis. If you have a passion for performance engineering and a solid background in Java technologies, this role could be your next big career move!

Qualifications

• 5+ Jahre Erfahrung in Java und J2EE mit Fokus auf Performance Engineering.
• Starke SQL-Kenntnisse und Erfahrung mit verteilten Systemen.

Responsibilities

• Durchführung komplexer Softwaredesign-Aufgaben zur Leistungsoptimierung.
• Zusammenarbeit mit Entwicklungsteams zur Behebung von Leistungsproblemen.

Skills

Java

J2EE

Spring Framework

Spring Boot

Spring Cloud

SQL

Linux

Shell Scripting

Concurrency

Multi-threading

Job description

We are seeking a skilled Java Performance Engineer to join the Client's development team.

This role involves improving the performance of a high-volume, real-time trading platform.

The ideal candidate will work across the full application stack, addressing performance issues from the client interface to the backend services, and collaborating closely with QA and development teams to ensure a resilient and efficient system.

Key Responsibilities

• Perform complex software design tasks and technical analysis on a multi-threaded, resilient system
• Develop custom tools, mock services, and maintain tool repositories to support performance analysis
• Identify, collect, and analyze system performance metrics
• Address both client- and server-side performance issues and recommend enhancements
• Provide production-side performance monitoring solutions
• Establish a performance and scalability roadmap and communicate updates to stakeholders
• Collaborate with development teams to detect and resolve performance issues before deployment
• Investigate and remediate the root causes of performance problems
• Handle daily tasks including performance ticket assignments, simulation runs, and deep performance diagnostics

Required Qualifications

• 5+ years of experience with Java, J2EE, Spring Framework, Spring Boot, and Spring Cloud
• 5+ years of experience with distributed systems, real-time processing, relational databases, and messaging systems
• Experience with desktop-based trading systems
• Strong SQL skills and relational database query expertise
• Proficiency in Linux and shell scripting
• Strong understanding of concurrency and multi-threading in Java
• Experience diagnosing JVM issues such as thread dumps, garbage collection, and memory management
• Familiarity with resiliency patterns like Circuit Breakers, Shapers, Load Balancers, and Failover mechanisms
• Strong grasp of performance engineering practices, metrics, and analytics

Preferred Qualifications

• Experience in the financial services industry, particularly trading platforms
• Expertise in performance tuning for high-volume, mission-critical systems