Performance Engineer/Tester

Performance Engineer/Tester#25-26099 Kansas City, MO 25% Remote Contract Starts 1/01/2026 Ends 1/01/2027 Job Description Genesis10 is currently seeking a Performance Engineer/Tester for a 12-month contract with our financial client in Kansas City, MO. 5 days per month of remote work flexibility. Compensation: $65 - $70 per hour (W2), depending on skill and experience level. Summary: Our financial services client delivers aprehensive suite of payment solutions to institutions nationwide. With integrated teams across operations, technology, product, enterprise services, and instant payments, they are driving a strategic vision focused on agility, innovation, resilience, and customer experience. They seek leaders who embody intellectual curiosity, accountability, adaptability, and a collaborative mindset. You'll be part of a culture that values experimentation, inclusivity, and continuous improvementwhile helping to shape the future of U.S. payments. What You'll Do: In this senior-level role, you will lead full lifecycle performance testing acrossplex, large-scale payment platforms. Your responsibilities include: Executing end-to-end performance testing: requirements analysis, planning, scripting, execution, evaluation, and reporting Assessingmunication protocols and selecting appropriate scripting approaches Leveraging advanced programming skills (Python, Java, JavaScript, Visual Basic, Linuxmand languages, etc.) Collaborating with product, engineering, architecture, infrastructure, and implementation teams to define performance success criteria Designing and executing load, stress, volume, failover, and scalability tests Coordinating test activities across multiple dependent teams Integrating security requirements and performing related manual validations Monitoring server utilization and evaluating system behavior throughout tests Reviewing code, maintaining performance test scenarios, and managing test data Analyzing production logs to model peak/target loads Uploading performance artifacts to Subversion or other tools as needed Partnering with configuration management to schedule automated performance tests Maintaining scripts and integrating API performance testing into CI pipelines Collecting and correlating front-end and back-end performance metrics to produceprehensive reports Supporting performance testing tools and participating in Agile ceremonies Troubleshooting bottlenecks and resolving performance-related issues Keeping current with emerging performance engineering technologies and adapting them into workflows Using Jenkins and other automation tools to align performance scenarios with CI/CD processes Qualifications: Must be a US citizen or a Green Card holder/Permanent Resident with at least 3 years of residency. 8+ years of performance testing experience, including 3+ years supporting large-scale environments 6+ years of experience with performance testing methodologies, tools, and scripting Hands on scripting experience using LoadRunner and JMeter Strong analytical skills for diagnosing and improving system performance End-to-end experience with load, stress, spike, scalability, and volume testing Strong skills in load generation, bottleneck analysis, modeling tools, and statistical analysis Experience with Dynatrace, Splunk, and other monitoring platforms Ability to analyze performance results and create clear, actionable reports Proficiency with IntelliJ/Eclipse and Git/Subversion Experience generating performance metrics and dashboards Desired Skills/Experience Bachelor's degree in Computer Science, Information Systems, or equivalent. Experience developing performance scripts for MQ, Java Cloud, and AWS applications Understanding of advanced Java concepts such as threading, exceptions, I/O, and memory management Experience with payment applications and message queues (major pluses) If you have the qualifications described and are interested in this exciting opportunity, today! Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals. For contract roles, Genesis10 offers the benefits listed below. If this is a permanent placement opportunity, our recruiter can discuss the unique benefits offered by that particular client with you. Benefits of Working with Genesis10: Access to hundreds of clients, most of whom have been working with Genesis10 for 5-20+ years. The opportunity to have a career with Genesis10; many of our consultants have been working exclusively with Genesis10 for years. Access to an experienced, caring recruiting team (more than 7 years of experience, on average). Behavioral Health Platform Medical, Dental, Vision Health Savings Account Voluntary Hospital Indemnity (Critical Illness & Accident) Voluntary Term Life Insurance 401K Sick Pay (for applicable states/municipalities) Commuter Benefits (Dallas, NYC, SF) Remote opportunities available For multiple years, Genesis10 has been recognized as a top staffing firm in the U.S., as well as a bestpany for work-life balance, career growth, diversity, and leadership, among other distinctions. To learn more or explore our available career opportunities, please visit us at genesis10. Genesis10 is an Equal Opportunity Employer. Candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran. #DIG10-MN Apply tot his job