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AWS Cost Optimization Case Study | 45% Cost Reduction

AWS Cost Optimization

Project Overview:

In a recent project, AWS infrastructure audit revealed underutilized resources, misconfigurations, and a lack of automation, causing high costs. A structured optimization plan was implemented, including instance rightsizing and automation of non-production environments. Continuous monitoring and strategic savings plans were introduced to ensure long-term efficiency. Weekly reviews and audits were set up to maintain performance, avoid deprecated services, and track usage. These efforts led to significant cost savings while improving system stability and operational resilience.

Business Industry:

Cloud Computing
Website Development
Mobile Application Development

Services:

Frontend and APIs
Backend & APIs

Impact we Created

25%

Monthly EC2 Cost Savings

20%

Monthly RDS Cost Savings

45%

Total Monthly AWS Cost Reduction

Challenge:

Managing cloud infrastructure in a growing EdTech setup revealed multiple cost, security, and performance inefficiencies:

  • Underutilized EC2 Instances running at <20% capacity

  • Stopped EC2 & orphaned EBS volumes, still incurring charges

  • 24x7 Test Environments without automation, active during off-hours

  • No Reserved Instances or Savings Plans, leading to high on-demand costs

  • Oversized RDS Instances with minimal usage

  • Outdated AWS Service Versions (e.g., RDS, Lambda), causing cost and compatibility issues

Second image ofAWS Cost Optimization

Solutions:

To reduce cloud costs and improve infrastructure efficiency, multiple cleanup, automation, and optimization strategies were implemented. These actions helped rightsize resources, automate non-critical environments, and prevent ongoing waste from idle components.

  • Terminated idle resources to cut waste.

  • Rightsized instances to match actual usage.

  • Automated test environment to avoid off-hour costs.

  • Bought Savings Plans for predictable workloads.

  • Set weekly audits for ongoing cleanup.

  • Upgraded services to the latest supported versions.

Looking to reduce your cloud costs and improve infrastructure efficiency? Hire expert DevOps engineers to optimize your resources, automate environments, and implement cost-saving strategies that deliver measurable results.

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