Modernizing a Shared AWS SDK Layer Across a Distributed Microservice Ecosystem
Refactoring a shared AWS SDK layer to AWS SDK v3 while preserving backwards compatibility across many microservices and improving reliability under rate limits.
Modernized a shared internal services proxy layer that wrapped AWS SDK v2 across a large, distributed microservice ecosystem. The existing implementation made it hard to reason about retries, error handling, and long-term maintainability as the platform scaled.
I designed and led the refactor to AWS SDK v3 while ensuring downstream microservices did not need to be rewritten. This included introducing a cleaner wrapper architecture, standardizing retry behavior with exponential backoff, and tightening error handling patterns so services behaved consistently under partial failure or rate-limited conditions.
The migration was rolled out incrementally to avoid production disruption, with careful coordination across teams and environments.
- •Refactored shared AWS SDK layer from v2 to v3 without requiring changes in consuming services
- •Standardized retry and error-handling patterns across many microservices
- •Improved reliability under throttling and transient AWS service failures
- •Reduced long-term maintenance burden and enabled better observability and future enhancements


