Resilience by Design: Site Reliability Engineering in Financial Platforms
Keywords:
Fintech, Site Reliability Engineering, Automation, High Availability, CI/CD Pipelines, Telemetry, AI/MLAbstract
This paper examines the application of Site Reliability Engineering (SRE) principles to enhance stability, customer experience, and operational efficiency in financial platforms. Modern information systems demand extremely high availability, as even minor outages can lead to revenue loss, regulatory fines, and reputational damage. The case study demonstrates that automation and SRE practices prevented over $1 million in penalties, minimized failed transactions, and improved root cause analysis through custom ETL file management and heat maps. Additionally, the MyAccount portal was redesigned to reduce errors and improve usability, while operational improvements cleared 7,000 backlog tickets and reduced daily ticket volume to fewer than 68. Telemetry and failover automation further increased system availability to 99.95%. Findings confirm that SRE is a technical methodology rather than a customer-facing approach, enabling organizations to reduce costs, improve efficiency, and deliver services reliably. The conclusions highlight the strategic importance of SRE in fintech and its potential to shape robust, scalable, and cost-effective platforms.
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