Posted inAWS System Design
DynamoDB Streams Outbox: Domain Events Without Dual-Write Failures
This senior-level guide covers DynamoDB Streams Outbox with production trade-offs for reliability, security, and cost.
Posted inPython System Design
Hypothesis for Distributed Systems: Model Partitions and Message Reordering
This senior-level guide covers Hypothesis for Distributed Systems with production trade-offs for reliability, security, and cost.
Posted inAWS Debugging System Design
Continuous Path Verification: Minute Canaries for Auth, Pay, and Search
This senior-level guide covers Continuous Path Verification with production trade-offs for reliability, security, and cost.
Posted inDebugging System Design
Postgres lock timeout Strategies: Postgres lock_timeout Strategies: Fail Fast Instead of Cascading Wait Queues
This senior-level guide covers Postgres lock timeout Strategies with production trade-offs for reliability, security, and cost.
Posted inAWS System Design
Lambda Reserved Concurrency: Bulkheads That Protect Tenant Workloads
This senior-level guide covers Lambda Reserved Concurrency with production trade-offs for reliability, security, and cost.
Posted inAI System Design
Human-In-The-Loop Ai Gates: Dual Control for Prod-Touching Agent Tools
A senior-engineer guide to human-in-the-loop AI gates, with production-ready patterns, trade-offs, and practical examples.
Posted inAI AWS System Design
Multi-Tenant Coding Assistants: Isolated ECS Fargate Spot Runtimes
A senior-engineer guide to multi-tenant coding assistants, with production-ready patterns, trade-offs, and practical examples.
Posted inAI System Design
Ai Differential Testing: AI Oracles Validated Against Shadow Traffic
A senior-engineer guide to AI differential testing, with production-ready patterns, trade-offs, and practical examples.
Posted inAI System Design
Rag Architecture Decisions: Architecture Decision Retrieval for Coding Agents
A senior-engineer guide to RAG architecture decisions, with production-ready patterns, trade-offs, and practical examples.
Posted inAI AWS System Design
Secure AI Sandboxes: Ephemeral ECS Tasks for Agent Tool Execution
A senior-engineer guide to secure AI sandboxes, with production-ready patterns, trade-offs, and practical examples.