Selected architecture work
These working applications and briefs document systems I have designed and deployed, with emphasis on requirements, tradeoffs, security posture, and operating cost.
Featured Live Application
Office Olympics
API Gateway WebSocketLambdaDynamoDBCognitoCDK
A browser-based multiplayer party game for team sessions, with mobile players, a host presentation flow, configurable arcade rounds, validated scoring, and a protected admin configuration surface.
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Realtime room playAPI Gateway WebSocket rooms built for phone and desktop players.
Protected operationsCognito-gated admin configuration with server-side owner validation.
Cost-aware deploymentExisting S3, CloudFront, and DynamoDB reused with TTL cleanup and bounded traffic.
Implemented Live App
BracketForge
LambdaDynamoDBCloudFrontS3Realtime UX
A Rock Paper Scissors tournament platform with phone-based players, a separate host dashboard, animated broadcast reveals, configurable timers, and reusable bracket logic.
Launch live application
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New Team Game
Peccy Plunge
LambdaDynamoDBGroup VotingMobile UXHost Dashboard
A workplace-friendly reimagining of Hangman where a live lobby votes on each letter together, the host controls the secret phrase, and every miss nudges Peccy closer to a playful dunk-tank splash.
Launch team game
Open host dashboard
Implemented Feature
Cloud Resume Telemetry
API GatewayLambdaDynamoDBCloudWatch
A privacy-safe visitor counter for the static portfolio using a serverless API and aggregate-only DynamoDB counters.
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Implemented Demo
Secure Asset Dead Drop
CognitoAPI GatewayLambdaS3KMS
An authenticated file exchange demo using Cognito, API Gateway, Lambda, private S3 objects, short-lived presigned URLs, and audit metadata.
Try authenticated demo
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Implemented Demo
Lambda Background Remover
CognitoAPI GatewayLambdaS3Python
A gated image-processing demo that uploads PNG files to private S3, invokes Lambda, and returns a short-lived transparent PNG output.
Try authenticated demo
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Implemented Demo
Warehouse Throughput Simulator
SQSLambdaStep FunctionsDynamoDBCloudWatch
An authenticated SQS-backed package-flow demo that maps operations concepts to buffering, backpressure, processing state, and observability.
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Architecture Brief
Asynchronous Neon Generator
SQSECS FargateS3SES
A design for moving long-running 3D rendering work behind a queue so web requests stay fast while compute scales down when idle.
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Implemented Demo
Single-Table Inventory
CognitoLambdaDynamoDBTTL
An authenticated inventory state demo that records machine/SKU updates and event history with a DynamoDB single-table access pattern.
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Implemented Demo
Prompt Cost Guard
CognitoLambdaDynamoDBCost Controls
A prompt estimation guardrail that checks token size and estimated model cost before an AI request would reach paid inference.
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Implemented Demo
Edge Latency Probe
CloudFrontAPI GatewayLambdaDynamoDB
A browser-side latency probe that compares static edge delivery with authenticated regional API calls and records a tiny DynamoDB sample.
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Implemented Demo
DR Pattern Selector
Route 53BackupsLambdaRunbooks
A recovery-objective selector that recommends backup/restore, pilot light, or warm standby patterns based on RTO, RPO, and criticality.
Try authenticated demo
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Architecture Brief
IoT Sensor Data Lake
IoT CoreFirehoseS3Athena
A telemetry pipeline for hardware data with attention to storage format, query cost, retention, and latency tradeoffs.
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