Senior Performance Engineer (Java-Based)-Solid Java programming, debugging, and profiling.

Global Business Ser. 4u; New York (NY); Hybrid; USD 140,000 - 220,000; Full time

Job summary

Global Business Ser 4u Inc. in New York Downtown—Manhattan is seeking a Senior Performance Engineer with deep Java testing skills to lead performance assessments for complex financial applications.

This hybrid role requires local candidates and offers two onsite days (Tue, Wed). You will design non-functional test strategies, implement workloads, analyze JVM performance with JFR and profilers, and validate REST/SOAP APIs.

Qualifications

• 12+ years in Performance Engineering and Java testing.
• Expertise in JMeter and LoadRunner.
• Proficient in Java development, debugging, and profiling.
• Experience with performance monitoring/profiling tools.
• Strong problem-solving and analytical skills.
• Good communication and teamwork.
• Knowledge of Agile methodologies is advantageous.

Responsibilities

• Collaborate with dev teams to design and execute performance tests for Java apps.
• Create and maintain non-functional test strategies, plans, scenarios, and scripts.
• Use LoadRunner and JMeter to assess performance.
• Identify bottlenecks with tools like JProfiler, JVisualVM, and Oracle JFR.
• Conduct Load, Stress, Volume, Resiliency, and Endurance testing.
• Design workload models to simulate real-world usage for testing projects.
• Perform JVM analysis: heap, GC, thread dumps, memory.
• Validate SOAP/REST APIs with Postman, Newman, SOAP UI.
• Test Android and iOS mobile apps for performance.
• Work with server tech: Tomcat, IIS, Apache, IBM WAS.
• Convert LoadRunner/Neoload scripts to JMeter.
• Use Dynatrace APM and NewRelic dashboards for monitoring.
• Run backend DB tests with SQL queries in MS SQL Developer.
• Knowledge of AWS services: Lambda, SQS, EC2, ELB, RDS, S3, DynamoDB, CloudWatch.
• Engage in performance testing of core business apps (Mortgage, Lending, Retail Banking, Cards, POS).

Skills

Java programming

Performance testing

Analytical thinking

Tools

LoadRunner

JMeter

Dynatrace

NewRelic

JProfiler

JVisualVM

Postman

Job description

Job Requirement: Senior Performance Engineer (Java-Based)

• Location: New York Downtown (Manhattan) - Local Candidate or Willing to Relocate
• Position Type: Contract (1 Year)
• Work Arrangement: Hybrid (2 Days Onsite - Tuesday, Wednesday)

Job Description

We are seeking a highly experienced and dynamic Senior Performance Engineer with a strong foundation in Java-based applications. This role is based in New York Downtown (Manhattan) and requires local candidates. The position offers a hybrid work arrangement, with two days onsite (Tuesday and Wednesday).

Key Responsibilities

• Collaborate with development teams to analyze, design, and execute performance tests for Java-based applications.
• Create and maintain comprehensive Non-Functional Test Strategy, Test Plans, Test Scenarios, and Test Scripts.
• Utilize Performance Testing tools, including Load Runner and JMeter, to evaluate system performance.
• Identify and resolve performance bottlenecks through in-depth analysis using tools like JProfiler, JVisualVM, and Oracle JFR.
• Conduct various forms of Performance Testing, including Load, Stress, Volume, Resilient, and Endurance Testing.
• Design Workload Models (WLM) to simulate real-world usage scenarios for Performance Testing Projects.
• Perform JVM Analysis, including Heap and Thread dump analysis, Garbage Collection, and Stack Memory analysis.
• Validate Web Services (SOAP and REST) APIs using tools like Postman, Newman, and SOAP UI.
• Execute Performance Testing for Android and iOS Mobile applications.
• Demonstrate proficiency with server technologies such as Tomcat, IIS, Apache, and IBM WAS.
• Convert Load Runner and Neoload scripts to JMeter for enhanced performance testing.
• Utilize Dynatrace APM for monitoring CPU, Memory, and Threads on application and web servers, facilitating bottleneck analysis.
• Create performance metric dashboards and usage patterns using NewRelic.
• Conduct Backend Database Testing, including writing SQL Queries using MS SQL Developer.
• Exhibit strong knowledge of primary AWS services, including Lambda, SQS, EC2, ELB, RDS, S3, Dynamo DB, and CloudWatch.
• Engage in Performance Testing of critical business applications, covering areas such as Mortgage, Commercial Lending, Retail Banking, Credit cards, Auto Retail Financing, Trading-Advisory Services, and Point of Sale (POS).

Qualifications

• A minimum of 12 years of experience in Performance Engineering and Java-based application testing.
• Strong expertise in Performance Testing tools, including JMeter, LoadRunner, and Non-Functional Testing strategies.
• Proficiency in Java programming, debugging, and profiling.
• Familiarity with various performance monitoring and profiling tools.
• Exceptional problem-solving and analytical skills.
• Effective communication and teamwork capabilities.
• The ability to work independently and within collaborative teams.
• Knowledge of agile development methodologies is advantageous.

Best Regards

SHRIDHAR KUMAR

Talent acquisition Head

Global Business Ser 4u Inc.

Phone: [phone]

Email: [e-mail]

Web: www.gbs4u.com