Haystack
← Back to Jobs
Engineering
CSCynet Systems logo

Senior Performance Engineer

Cynet SystemsSan Antonio, TX🇺🇸United StatesPosted Oct 21, 2026

Why This Role Stands Out

Take your engineering career to the next level by leading performance strategies for high-volume financial systems in a flexible hybrid environment. This role is perfect for a detail-oriented professional eager to master cloud-native performance tuning while enjoying competitive compensation and comprehensive benefits. Apply today to showcase your expertise and drive impactful results within a forward-thinking, collaborative team.

Quick Overview

Seniority
Mid Senior
Work mode
Hybrid
Location
San Antonio, TX, United States
Posted
21 hours ago
Stakeholder ManagementAgile

Job Description

We are looking for Senior Performance Engineer for our client in San Antonio, TX / Plano, TX

Job Title: Senior Performance Engineer

Job Location: San Antonio, TX / Plano, TX

Job Type: Contract

Pay Range: $45.00hr - $50.00hr

Job Overview:

Experience in Performance Testing/Engineering, with strong expertise in Apache JMeter and enterprise-scale performance validation. Preferred skills include leadership, stakeholder management, and mentoring skills, with experience in Banking, Financial Services, or high-volume transaction systems preferred.

Detailed Job Description:

  • Design and lead performance testing strategy, frameworks, standards, and best practices across applications, APIs, microservices, and cloud platforms.
  • Develop and execute load, stress, endurance, scalability, volume, and capacity testing to ensure application reliability and performance.
  • Integrate performance testing into CI/CD pipelines and support continuous performance monitoring and optimization.
  • Analyze application, database, infrastructure, and network performance to identify bottlenecks and drive performance improvements.
  • Demonstrate experience with cloud platforms (Azure/AWS/Google Cloud Platform), container technologies (Docker/Kubernetes), and observability tools such as Dynatrace, Datadog, or AppDynamics.
  • Possess strong knowledge of Performance Engineering, Capacity Planning, SRE, Root Cause Analysis, and Performance Tuning in distributed and cloud-native environments.

== ==

Benefits
Our Benefits Include:
  • Medical, Dental, and Vision Insurance
  • 401(k) Retirement Plan
  • Health Savings Account (HSA)
  • Disability Insurance (Short-Term and Long-Term)
  • Life and AD&D Insurance
  • Paid Sick Leave (where required by applicable state or local law)
  • Supplemental Insurance Plans
  • Identity Theft Protection
  • Pet Insurance
  • Employee Wellness Programs
  • Employee Assistance Program (EAP)
  • Career Growth and Professional Development Opportunities
Disclaimer: Benefits eligibility, accrual rates, and usage limits may vary based on employment status, length of service, and work location. Paid Sick Leave is provided in strict accordance with applicable state and municipal mandates. Cynet Systems Inc. reserves the right to modify, amend, or terminate any benefit plans at any time in accordance with applicable laws.

About Cynet Systems

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading technology staffing and workforce solutions company serving Fortune 500 companies, government agencies, and enterprise organizations across the United States and Canada. We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and professional staffing, powered by a high-performing recruitment engine operating across North America and Asia.
As a nationally and locally certified Minority Business Enterprise (MBE), Cynet Systems is committed to helping organizations build high-performing teams while empowering professionals to grow rewarding careers. Our organization is certified to ISO 9001, ISO 14001, ISO 27001, and SOC 2 Type II standards, reflecting our commitment to quality, security, operational excellence, and customer success.

Similar jobs