Engineering Knowledge

Engineering Insights & Architecture Guides

Practical lessons from the trenches of production software development, legacy system refactoring, and enterprise AI workflows.

Legacy Systems 10 min read

When Should a Business Modernize vs. Completely Replace Legacy Software?

Why full rewrites fail 70% of the time, how to calculate technical debt risk, and when the Strangler Fig architectural pattern saves millions in operational downtime.

Modernization Strategy Strangler Fig
AI & Automation 8 min read

Designing Autonomous AI Agents for Complex Business Workflows

Moving beyond chat interfaces: building deterministic task agents, structuring tool execution loops, and establishing safe human-in-the-loop approval guardrails.

AI Agents Workflow Automation
Software Architecture 12 min read

API-First SaaS Architecture Fundamentals for Growing Startups

How decoupling frontend presentation from domain backend services enables multi-platform scale, easier third-party integrations, and future AI agent extensibility.

API-First SaaS Engineering