How One Engineer Reduced Cloud Costs by 60 Percent with Spot Instances

Episode 54 of The Software Engineering Podcast dives into a real-world cost optimization story. Lucas and Luna walk through how a senior engineer at a mid-size SaaS company cut their AWS bill by 60 percent by migrating stateless workloads to spot instances. They discuss the engineering trade-offs: designing for interruption tolerance, using checkpointing and auto-scaling groups, and the monitoring changes required. The episode covers the specific failure modes — like a spot instance termination that nearly corrupted a batch processing pipeline — and the architectural patterns that made the migration safe. Listeners will learn the concrete steps to evaluate if their own workloads are spot-instance candidates, including the three-question heuristic the engineer used. No fluff, just one practical case study you can apply to your own cloud bill. #CloudCostOptimization #SpotInstances #AWS #Engineering #SoftwareEngineering #DevOps #InfrastructureCosts #BatchProcessing #Checkpointing #AutoScaling #FaultTolerance #FinOps #CloudArchitecture #CostReduction #Technology #FexingoBusiness #BusinessPodcast #TheSoftwareEngineeringPodcast Keep every episode free: buymeacoffee.com/fexingo