Shashank Karmakar

About Shashank Karmakar

Engineer building scalable, resilient backend systems on AWS. Designed APIs, introduced caching and observability, and automated infrastructure with AWS CDK. Focused on system design, algorithms, and performance optimization. Language- and framework-agnostic—choose stack by problem fit to maximize reliability, throughput, and latency control; deliver high-impact software.

Experience

1. System Development Engineer

   Amazon

   Jul 2024 — Present · Hyderabad, IN

   Designed and implemented backend APIs in ECS fargate service with well defined smithy data model, implemented accessors, dived deep on multiple caching solutions, integrated caffeine caching layer to reduce latency and avoid throttling downstream service, ensured proper metric emission for monitoring the service and cache health.• Implemented major code enhancements across core services to meet new client requirements, applying compatible design patterns and best practices to ensure scalability, maintainability, with 98% unit test coverage.• Improved operational reliability by implementing CloudWatch alarms via AWS CDK for key service APIs, successfully completed resiliency goals for multiple pipelines by enabling automatic rollback for AWS pipelines and created backup and restore plans for S3 using AWS backup vault via AWS CDK.• Integrated dynamic distributed throttling for key services within team.• Migrated multiple services within team from netscaler hardware load balancers to software load balancers.• Did multiple root cause analysis and resolutions of recurring issues as part of oncall.

Education

• Bharati Vidyapeeth University College Of Engineering, Pune

  Bachelor's Degree, Computer Science