Systems & Experiments

ENGINEERINGEXPLORATIONS.

Production systems and experimental architectures I've built, with the engineering tradeoffs behind each.

Anomaly Detection Engine

Production

Real-time alarm system processing 1M+ records daily, detecting conversion spikes and revenue drops across 200+ merchant clients.

ArchitectureEvent-driven pipeline: PostgreSQL → RabbitMQ → Worker Pool → Alert Router → Notification Service
Node.jsPostgreSQLRabbitMQRedis
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Realtime Analytics Dashboard

Production

Event-driven, API-powered dashboard with live inter-component communication and real-time conversion metrics for e-commerce clients.

ArchitectureReact + Redux → WebSocket Gateway → Express API → PostgreSQL + Redis Cache Layer
ReactReduxWebSocketExpress
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Client Onboarding Automation

Production

Reduced merchant onboarding from 15 days to 20 minutes through automated workflows, cron jobs, and self-service configuration.

ArchitectureCron Scheduler → Validation Pipeline → Config Generator → S3 Asset Upload → GTM Auto-Integration
Node.jsAWS LambdaS3Cron
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Distributed Caching Layer

Production

Multi-tier Redis caching with cascading invalidation, handling 50K+ cache operations per minute across merchant data.

ArchitectureApplication Layer → Local Cache (LRU) → Redis Cluster → PostgreSQL (source of truth)
RedisLRUConsistent Hashing
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NFT Minting Platform (Solana)

Shipped

Web3 gaming platform with NFT/SFT minting using Metaplex, handling 100+ concurrent players with on-chain reward distribution.

ArchitectureReact Frontend → GraphQL API → Loopback 4 → Solana RPC → Metaplex Smart Contracts
SolanaMetaplexGraphQLLoopback 4
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Feature Flag Infrastructure

Experiment

Runtime feature control system enabling progressive rollouts, A/B testing, and instant kill switches without redeployment.

ArchitectureSDK Client → Flag Evaluation Engine → Rule Matcher → Segment Resolver → Redis Cache
RedisNode.jsSDK Design
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HLS Stream Collector

Experiment

Browser extension intercepting video stream URLs from web traffic, with HLS playback preview and regex-based filtering.

ArchitectureChrome Extension (Manifest V3) → WebRequest Interceptor → Stream Parser → HLS.js Player
Chrome APIsHLS.jsManifestV3
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Session Replay Engine

Experiment

rrweb-based session recording platform capturing DOM mutations, user interactions, and network events for debugging.

Architecturerrweb SDK → Event Compressor → S3 Storage → Replay Player → Timeline UI
rrwebDOM APIsS3Compression
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