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Citi Logo Citi · IT - Software Development

Non-Functional Testing Lead

Canada, Mississauga Employment contract 120800.00 - 170800.00 USD / Year · Job Posted May 14, 2026
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Job Description

As a Lead in the Non-functional team, you will play a pivotal role in shaping the Non-functional quality for Prime-specific applications. Your primary focus will be on leading and executing non-functional testing strategies to ensure our applications meet stringent performance, scalability, reliability, and security requirements.

Job Responsibility

  • Leading and executing non-functional testing strategies to ensure applications meet stringent performance, scalability, reliability, and security requirements
  • Defining and implementing comprehensive non-functional testing strategies for Prime Services applications, including performance, load, stress, scalability, and resilience testing
  • Guiding and mentoring a team of engineers, fostering a culture of technical excellence, continuous improvement, and innovation in testing practices
  • Applying deep technical knowledge to design, develop, and maintain advanced testing frameworks, tools, and simulations that mimic real-world Prime Services operational scenarios
  • Working closely with development, product, and operations teams to embed non-functional requirements early in the development lifecycle and to provide timely, actionable insights into application behavior under various conditions
  • Identifying potential bottlenecks, failure points, and performance degradation risks within the application architecture and proposing effective mitigation strategies
  • Manage the setup, configuration, and meticulous maintenance of dedicated non-functional test environments that accurately replicate production conditions
  • Evaluating, selecting, and integrating cutting-edge non-functional testing tools such as LoadRunner, JMeter, and developing custom scripting for test execution, alongside building custom test harnesses and automation scripts
  • Establish, design, and enforce robust standards and procedures for all NFT activities throughout the Software Development Life Cycle (SDLC)
  • Analyze organizational trends and external industry best practices to foster continuous improvement, streamline processes, and ensure consistency and high quality across the organization
  • Champion the integration of non-functional testing with advanced observability and monitoring capabilities to support robust Site Reliability Engineering (SRE) practices
  • Collaborate closely with technology and production support teams to build comprehensive monitoring solutions utilizing platforms like Grafana for both pre- and post-production performance validation
  • Design and implement chaos engineering experiments to proactively identify vulnerabilities and failure modes in Prime Services applications and infrastructure
  • Employ methodologies to simulate real-world disruptions (e.g., latency injection, service outages, resource exhaustion) to validate system resilience, fault tolerance, and automated recovery mechanisms
  • Lead and mentor a global team of high-profile performance engineers, managing resource allocation, project estimates, and task prioritization across multiple streams
  • Drive talent development, conduct performance evaluations, and foster technical excellence and growth within the team
  • Foster effective collaboration with diverse stakeholders including technology teams, User Acceptance Testing (UAT) professionals, and business users from critical departments like Equities Prime and Futures Clearing
  • Deliver complex performance and non-functional engineering assignments for high-impact banking products
  • Proactively identify and assess infrastructure capacity headroom for franchise-critical applications in both production and performance environments
  • Implement strategies to mitigate performance and stability risks, ensuring adherence to regulatory requirements, internal Citi policies, and sound ethical judgment in all technical decisions

Requirements

  • 7-10+ years of extensive experience in Performance Testing and Performance Engineering, with a proven track record in optimizing complex financial applications
  • 2-3 years of hands-on experience specifically in Chaos Engineering, designing and executing experiments to validate system resilience and fault tolerance
  • Demonstrated excellence in applying performance engineering principles, observability techniques (including tools like Splunk, Grafana), resiliency patterns, and Site Reliability Engineering (SRE) practices
  • Highly proficient in utilizing a wide array of performance testing tools (e.g., LoadRunner, JMeter, custom scripting) and advanced analytics to identify performance bottlenecks and deliver actionable recommendations for significant improvements in application throughput and capacity
  • In-depth knowledge of software development and testing lifecycle methodologies, with extensive experience in Agile practices, project management, and issue tracking using Jira
  • Proficient with leading performance testing tools including LoadRunner, LoadRunner Enterprise, and JMeter, along with custom scripting for test automation
  • Well-versed in observability and monitoring solutions such as AppDynamics, Splunk, Grafana, and the ELK (Elasticsearch, Logstash, Kibana) stack
  • Experience with containerization and orchestration technologies like OpenShift and Kubernetes, and distributed messaging systems like Kafka
  • Hands-on experience with programming languages (e.g., Python, Java) and database technologies (e.g., Oracle DB, PostgreSQL, SQL)
  • Working knowledge of Confluence for comprehensive documentation and knowledge management
  • Exceptional communication and diplomacy skills, with a proven ability to persuade, influence, and articulate complex technical concepts to diverse audiences
  • Demonstrated capability to assume leadership roles, effectively guiding and mentoring junior team members to foster professional growth and technical excellence
  • Strong interpersonal, verbal, and written communication skills, essential for effective collaboration with cross-functional teams and stakeholders
  • Bachelor's/University degree, or equivalent practical experience, preferably in Computer Science or Information Systems

What we offer

  • opportunity to grow your career
  • give back to your community
  • make a real impact
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