API Reliability Engineer at Citi

mississauga, peel region, Canada • Posted May 30, 2026

Job Type: Full-time
Location: mississauga, peel region
Posted: May 30, 2026
Category: Management & Operations
Application Deadline: July 09, 2026

Role Description

Citi is seeking an experienced API Reliability Engineer dedicated to enhancing API performance and reliability in a fast-paced environment. This role places emphasis on proactive monitoring and incident management to ensure stellar client experiences.

As an API Reliability Engineer, you will take ownership of high-availability API systems, utilizing your deep technical skills in Java and AWS to foster continuous improvement. This hands-on role requires collaboration with cross-disciplinary teams to refine operational strategies and automate monitoring solutions.

Key Responsibilities:
• Manage operations of large-scale distributed API ecosystems
• Implement monitoring solutions to ensure system health
• Analyze and optimize API performance metrics
• Lead post-incident reviews and recommend improvements
• Engage in automation for operational tasks and systems

Requirements:
• Extensive support experience with Java ...

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