About the role

Senior Performance Engineer is a highly skilled professional responsible for ensuring the performance, scalability, and reliability of critical systems. This role involves applying in-depth knowledge to define and optimize performance testing strategies, improving processes, and developing new techniques. They integrate subject matter expertise, understanding how various components contribute to business objectives. The engineer evaluates complex performance issues, balancing conflicting situations using multiple information sources. Strong analytical skills are crucial for filtering and prioritizing dynamic data. Excellent communication and diplomacy are essential for collaborating with cross-functional teams and leadership. This role also involves informal and formal leadership, coaching junior engineers, and advocating for best practices. The Senior Performance Engineer significantly impacts project size and complexity by influencing design and architectural decisions through expert advice, directly affecting the performance of delivery teams.

Responsibilities :

Lead the design, development, and execution of comprehensive performance test plans and strategies, including automated load, stress, and soak testing, collaborating across product lines and department boundaries to enable shift-left nonfunctional testing within CI/CD pipelines.
Understand peak load scenarios and drive test automation with auto-scaling capabilities and detailed reporting, ensuring optimal time-bound assessment windows for efficient integration.
Analyze system architecture, application code, and infrastructure components, with a strong understanding of microservice architectures, to identify performance bottlenecks, optimize key measures, and ensure correct service levels.
Utilize advanced performance monitoring tools and techniques to gather, analyze, and interpret performance metrics, conducting root cause analysis for incidents, and providing actionable insights for resolution.
Develop and maintain performance testing frameworks, tools, and scripts, while also providing expert guidance and recommendations on performance tuning, capacity planning, and scalability solutions.
Provide detailed reports on all test cycles with prognosis and collaborate across functions (engineering, architecture, DevOps) to offer strategic recommendations.
Mentor and guide junior performance engineers, fostering a culture of continuous improvement, and actively contribute to bringing in Observability and SRE foundations in close collaboration with relevant functions.

Qualifications:

10-12 years of relevant experience with proficiency in DevOps and APM performance engineering tools like LoadUI, LoadRunner & APM tools AppDynamics, New Relic, Splunk or plain ELK Stack.
Hands-on Experience in one or more of the following: Java with JMeter, .NET, PHP, Node.js, Python, XML.
Experience on any containerized technology (Docker, Kubernetes, Openshift).
Knowledge of web-application design, web services, and common service frameworks.
Advanced knowledge of Windows or Linux operating systems.
Experience troubleshooting and solving software performance related issues.
Excellent communication, interpersonal, and presentation skills.
Ability to work independently and collaboratively in a fast-paced, agile environment.
Experience with continuous integration/continuous delivery (CI/CD) pipelines and DevOps practices.

Education:

Bachelor's or Master's degree in Computer Science, Engineering, or a related field.

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Job Family Group:

Technology

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Job Family:

Applications Development

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Time Type:

Full time

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Most Relevant Skills

Please see the requirements listed above.

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Other Relevant Skills

For complementary skills, please see above and/or contact the recruiter.

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Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.

If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.

View Citi’s EEO Policy Statement and the Know Your Rights poster.

Aplyr's read

Citigroup is a global financial services leader offering diverse roles, attracting professionals in finance, technology, and operations seeking international exposure and advancement.
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What's promising

•Citigroup's global presence offers employees opportunities for international career advancement.
•The company invests heavily in technology, providing roles for tech-savvy professionals.
•Citigroup's diverse services allow for career growth across multiple financial sectors.

What to watch

•Citigroup has faced regulatory challenges impacting its operations and reputation.
•The company's size can lead to bureaucratic processes that slow decision-making.
•Citigroup's restructuring efforts may create uncertainty in job stability.

Why Citigroup

•Citigroup's extensive global network differentiates it from many competitors.
•The firm's commitment to innovation is evident in its technology-driven roles.
•Citigroup offers specialized roles requiring language skills, such as Japanese-speaking positions.

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About Citigroup

Citigroup

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Citi, also known as Citigroup Inc., is a global financial services corporation that provides a wide range of financial products and services to consumers, corporations, governments, and institutions.