SRE Lead - Mobile Performance & iOS Testing

Saransh Inc; Torrance (CA); On-site; USD 140,000 - 210,000; Full time

Job summary

Saransh Inc. is seeking an SRE Lead to join onsite in Torrance, CA for a 12-month engagement. The role focuses on performance testing and engineering for iOS mobile applications and backend services, leveraging LoadRunner, JMeter, and XCUITest.

You will define testing strategies, establish baselines, and collaborate with DevOps and product stakeholders. You will design and maintain scripts, execute load/stress tests, analyze metrics, and drive performance improvements across the mobile

Qualifications

• 6+ years of experience with AppDynamics Analytics.
• 6+ years of experience with LoadRunner.
• 6+ years of experience with JMeter.
• 6+ years of experience with XCUITest.
• 12+ years of experience total.

Responsibilities

• Design, develop, and maintain performance test scripts for iOS mobile applications.
• Hands on experience on LoadRunner and XCUITest (Apple's native UI test automation framework).
• Build and execute load, stress, endurance, scalability, and volume tests for mobile applications and supporting backend services.
• Develop automated performance testing solutions using industry-standard tools and frameworks.
• Analyze application, device, network, API, and backend performance metrics to identify bottlenecks.
• Validate mobile application performance across different iOS devices, operating system versions, and network conditions.
• Define and implement performance testing strategies and best practices.
• Establish performance baselines and benchmark application performance against defined targets.
• Identify, diagnose, and troubleshoot application performance issues across the mobile ecosystem.
• Provide recommendations for performance tuning and optimization.
• Support performance testing throughout the SDLC and Agile release lifecycle.
• Partner with development teams, architects, product owners, and business stakeholders to understand performance requirements.
• Define and document SLAs, SLOs, and performance KPIs.
• Present performance test results, findings, risks, and recommendations to stakeholders.
• Collaborate with DevOps and infrastructure teams to support performance testing environments.
• Measure and report application response times, throughput, resource utilization, and user experience metrics.
• Develop performance dashboards and automated reporting mechanisms.
• Track performance trends and provide proactive recommendations for continuous improvement.
• Support production performance monitoring and root cause analysis when required.

Skills

AppDynamics Analytics

LoadRunner

JMeter

XCUITest

Tools

LoadRunner

JMeter

XCUITest

AppDynamics

Dynatrace

Job description

Saransh Inc. is seeking an SRE Lead to join onsite in Torrance, CA for a 12-month engagement. The role focuses on performance testing and engineering for iOS mobile applications and backend services, leveraging LoadRunner, JMeter, and XCUITest.

You will define testing strategies, establish baselines, and collaborate with DevOps and product stakeholders. You will design and maintain scripts, execute load/stress tests, analyze metrics, and drive performance improvements across the mobile