Application Performance Engineer – K6, JMeter & LoadRunner

Job Description
Senior Performance Engineer


Location: Toronto, ON

Work Model: Hybrid (4 Days Work From Office)



Primary Skills

• K6
• Grafana
• LoadRunner
• JMeter
• Playwright
• Selenium 3.0/2.0
• UFT
• QTP
• Rest Assured / Java

Role Description

We are seeking an experienced Senior Performance Engineer with strong expertise in performance engineering, resiliency testing, disaster recovery testing, performance monitoring, and root cause analysis. The ideal candidate will possess extensive hands-on experience with modern performance testing tools, application monitoring platforms, and enterprise-scale systems.

Essential Skills

• 10+ years of hands-on experience with:
• LoadRunner
• JMeter

• Experience with:
• K6
• Grafana
• Playwright
• Selenium 3.0/2.0
• UFT
• QTP
• Rest Assured
• Java

• Hands-on experience in Resiliency Testing

• Hands-on experience in Disaster Recovery Testing

• Strong experience with databases and writing SQL queries

• Proficiency in:
• Java
• JavaScript

• Experience with Application Performance Monitoring (APM) and observability tools, including:
• Dynatrace
• Splunk
• Elastic
• Grafana Dashboards

• Experience working with:
• MQ
• Kafka
• Postman

• Strong exposure to:
• Performance Engineering
• Root Cause Analysis
• Performance Reporting

Preferred Skills

• Banking domain experience

• Knowledge of payment processing systems and transaction types, including:
• SWIFT
• ACH
• Wire Transfers

Responsibilities

• Design, develop, and execute performance testing strategies and test plans

• Conduct load, stress, endurance, resiliency, and disaster recovery testing

• Analyze application and infrastructure performance bottlenecks

• Perform root cause analysis and provide performance improvement recommendations

• Develop and maintain performance test scripts using LoadRunner, JMeter, K6, and related tools

• Monitor application behavior using APM and observability platforms

• Validate system performance, scalability, availability, and reliability

• Collaborate with development, infrastructure, and business teams to resolve performance issues

• Generate detailed performance reports and present findings to stakeholders

• Support enterprise applications and critical business systems through performance engineering best practices



Requirements
Top 3 Required Skills: 1. IBM Financial transaction 2. Payment flow 3. Support Modernization Detailed Job Description: • Design, develop, and maintain applications built on IBM Financial Transaction Manager (FTM) to support core payments processing. • Contribute to the development of payment flows supporting transaction processing. • Build and support integrations between FTM and upstream/downstream systems using enterprise integration patterns. • Participate in the design, development, testing, deployment, and production support. • Troubleshoot and resolve application and integration issues in a complex, regulated environment. • Collaborate with architecture, QA, and operations teams to ensure platform stability, scalability, and performance. • Support modernization initiatives and enhancements to existing payment hub capabilities. • Produce clear technical documentation and participate in code reviews and knowledge sharing.