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Real-world system design blueprints evaluated through the AWS Well-Architected Framework.
How senior cloud architects reverse-engineer ambiguous business requirements into high-availability, cost-effective AWS topologies.
Detecting production degradations with CloudWatch Composite Alarms, X-Ray distributed tracing, and executing automated Lambda self-healing.
Splitting an e-commerce platform between Aurora Serverless v2 for ACID order transactions and DynamoDB for ultra-low latency product catalog reads.
Building an automated Dev, Staging, and Production delivery pipeline with AWS CDK (TypeScript), automated synth testing, and manual approval gates.
Asynchronously transcode, watermark, and generate responsive image thumbnails using S3 Event Notifications, AWS Lambda, and Amazon EventBridge.
Incrementally decomposing a monolithic application into Dockerized microservices deployed on Amazon ECS with AWS Fargate and ALB path-based routing.
Re-platforming a stateful Django/Rails monolith to horizontal Auto Scaling EC2 behind an ALB with externalized Redis session storage.
Host a blazing-fast documentation and portfolio platform on S3 + CloudFront + ACM for under $0.50/month with automated TLS.
Architecting a global adaptive bitrate (HLS/DASH) video platform with chunked parallel transcoding, CloudFront Origin Shield, and signed URL tokenized security.
Streaming massive client telemetry with Amazon Kinesis Data Firehose, automated Parquet conversion, Glue Catalog schema evolution, and serverless Athena SQL.
Architecting a secure enterprise VPC topology with public ingress, private application compute subnets, and air-gapped isolated database subnets.
Aggregating multi-account security telemetry into an immutable S3 lake with AWS Glue crawlers and Athena forensics.
Automatically identifying and remediating orphan EBS volumes, unattached Elastic IPs, and idle development RDS instances using AWS Config and EventBridge.
Architecting a multi-region active-active core banking ledger across us-east-1 and us-west-2 with DynamoDB Global Tables, AWS KMS envelope encryption, and Route 53 ARC.
Prevent surprise cloud bills with multi-tier AWS Budgets, CloudWatch billing alarms, anomaly detection, and automated circuit breakers.
Architecting a multi-AZ session store supporting 500,000 active users with automatic TTL eviction and sub-millisecond token lookups.
Saving 70% on compute bills for a corporate analytics tool using scheduled scaling policies, EC2 Spot Instances, and EBS snapshots.
Running 80+ microservices on Amazon Elastic Kubernetes Service (EKS) with Karpenter just-in-time node provisioning and AWS Load Balancer Controller.
How a high-growth startup architected an edge-cached static landing page with 99.8% cache hit ratios to survive Super Bowl and Product Hunt traffic spikes.
Ingest third-party webhooks (Stripe, GitHub, Shopify) directly into Amazon SQS via API Gateway without intermediate compute to prevent traffic dropouts.
Shifting live user traffic progressively (10% -> 50% -> 100%) across ALB target groups with automated CloudWatch error-rate rollback alarms.
Securing private banking APIs and saving $3,000/month by replacing NAT Gateway S3/DynamoDB traffic with VPC Interface Endpoints and PrivateLink.
Delivering dynamic language localization, security headers (CSP, HSTS), and sub-20ms edge redirects using CloudFront Functions and S3.
How to read, author, and map high-level cloud architecture boxes into concrete VPC CIDR blocks, route tables, and Availability Zones.
Automating dimensional data warehouse transforms from transactional OLTP databases into Redshift Serverless and Amazon QuickSight.
Designing a high-growth B2B SaaS platform balancing Silo vs Pool tenant isolation models, dynamic IAM ABAC policies, and fine-grained billing telemetry.
Handling 100,000 score updates per second with real-time global player ranking using ElastiCache Redis Sorted Sets and persistent DynamoDB archiving.
Architecting a high-throughput, low-latency URL redirection engine with API Gateway HTTP APIs, Lambda, and DynamoDB single-table design.
High-scale IoT ingestion pipeline handling 500k connected vehicles with AWS IoT Core MQTT message broker, Amazon Timestream, and real-time anomaly alerting.
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