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API Production Support Lead (SRE)

https://www.citi.com/ Logo

Citi

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Location:
Canada , Mississauga, Ontario

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

94300.00 - 141500.00 USD / Year
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Job Description:

At Citi, we’re passionate about building and maintaining highly reliable APIs that solve critical customer problems. We support mission-critical systems, empowering our customers with a rich feature set, high availability, and stellar performance levels to pursue their financial transactions. As we continue to expand our API scope and capabilities, we are seeking an experienced and dedicated API Support Lead to ensure the operational excellence and continuous improvement of our API ecosystems. This role requires an individual who brings fresh ideas, demonstrates a unique and informed viewpoint on API reliability, and enjoys collaborating with cross-functional teams to develop real-world solutions and ensure positive user experiences at every interaction. Our ultimate goal is to build proactive and predictive operational strategies, including leveraging intelligent automation, to avoid customer impacts.

Job Responsibility:

  • Champion stability initiatives to enable high availability and resilience for our API applications
  • Exhibit calm and analytical leadership when faced with major incidents on critical API systems
  • Lead the proactive monitoring and management of production API environments
  • Drive the definition, analysis, and reporting of SLIs and SLOs for all supported APIs and clients
  • Contribute to the development and implementation of tools and systems designed to enhance API operational management
  • Measure and optimize API system performance
  • Provide leadership and expert operational support for critical, large-scale distributed API ecosystems
  • Lead the gathering and analysis of performance metrics from API platforms and underlying infrastructure
  • Partner closely with API development teams to improve services through rigorous operational feedback loops, testing, and release procedures
  • Drive the creation of sustainable API operational systems and services through automation and continuous uplifts
  • Conduct thorough post-incident reviews for API-related issues
  • Actively participate in and lead high-priority API production support activities

Requirements:

  • Extensive experience supporting Java and J2EE based applications and tooling
  • Deep technical knowledge and hands-on experience supporting and troubleshooting environments including AWS, ECS, Oracle DB, and Mongo DB
  • A strong understanding and practical application of SRE concepts, particularly in defining and measuring SLIs, SLOs and Error Budgets
  • Demonstrated experience in building and utilizing comprehensive monitoring solutions such as AppDynamics, Splunk, Kibana to proactively alert on production API-related issues and ensure system health
  • In-depth knowledge and hands-on experience with API Gateway technologies, specifically APIGEE, and CDN solutions like Akamai
  • Proven ability to proactively identify and address problems, areas for improvement, and performance bottlenecks within complex API ecosystems using software-based solutions
  • Strong coding experience beyond simple scripts, preferably in Java or Python, for automation and internal tool development
  • Bachelor’s/University degree in Computer Science, Engineering, or a related field

Nice to have:

  • Prior experience or awareness of agentic or AI-based solutioning within the API Support domain, particularly for proactive issue detection and resolution
  • Exposure to ITRS monitoring tools and experience in configuring ITRS gateways
  • Effective in supporting Payments applications, preferably in corporate banking environments
  • Strong knowledge of ITIL practices in Incident, Release, Change, and Problem management
  • Master’s degree preferred

Additional Information:

Job Posted:
December 31, 2025

Employment Type:
Fulltime
Work Type:
Hybrid work
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