Case study · Case study

TD Bank: AWS Enterprise Cloud Migration

TD Bank, a global financial leader, required a transition from rigid, on-premise legacy environments to a high-velocity cloud infrastructure.

August 14, 2025 · 1 minute

Overview

TD Bank, a global financial leader, required a transition from rigid, on-premise legacy environments to a high-velocity cloud infrastructure. They needed to modernize their core banking services to support a growing digital user base while adhering to strict US/Canadian financial regulations.

Challenges

  • Legacy Monoliths: On-premise servers were unable to scale during peak transaction windows.

  • Deployment Friction: Slow deployment cycles hindered the rollout of new consumer-facing features.

  • Security Compliance: Need for a “Zero-Trust” architecture that exceeded standard HIPAA and FINRA requirements.

Our Approach

  • Refactored Architecture: We moved beyond a simple “lift-and-shift,” re-architecting monolithic services into a modular microservices framework on AWS.

  • Compliance-as-Code: Embedded automated security guardrails and audit trails into the CI/CD pipeline.

  • Blue-Green Deployment: Implemented a strategy to migrate terabytes of data with zero operational downtime.

Results

  • 30% Reduction in annual infrastructure overhead costs.

  • 50% Faster time-to-market for new digital banking features.

  • 100% Availability maintained during the entire migration lifecycle.

Client Feedback

“The team’s ability to navigate our complex security requirements while delivering a seamless cloud transition was exceptional. They turned our infrastructure into a competitive asset.”

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