The path· 3
- 1Advanced 10 minPrioritization Postmortem: When the Roadmap Becomes the IncidentRoadmap prioritization decisions rarely feel like incidents until production breaks. This article reconstructs the anatomy of a real failure caused by accumulated technical debt, ignored ADRs, and delivery pressure — and proposes the structural changes that prevent recurrence.
- 2Advanced 10 minAWS Transform at 1 Year: Agentic Legacy Modernization in ProductionAWS Transform arrived promising AI-agent-driven legacy modernization — after one year, it's worth examining what it actually delivers, where it falls short, and what the real adoption cost is in critical systems. This analysis is grounded in concrete technical evidence, not marketing.
- 3Expert 11 minMigrating to Stateful Cloud Native Platforms on AWS EKSMigrating stateful workloads to cloud native platforms is not merely a containerization exercise — it is a sequence of isolation, data consistency, and operational automation decisions that determine whether the platform survives production. In this article, I walk through the journey of a financial-grade platform that moved from manually managed VMs to a multitenant EKS environment with Kubernetes operators, managed persistent storage, and end-to-end observability.
Deep-dive studies
tutorialSAP LeanIX in Practice: The Architect's Guide — Inventory, Diagrams, and ReportsA practical, opinionated tutorial on using SAP LeanIX as a transformation accelerator in the architect's daily work — covering inventory (Fact Sheets, meta model, quality), diagrams (types, when to use, live vs static), and reports (question → data → decision). Uses Hohpe's Architecture Elevator as the connecting thread and a fictional insurer/bank scenario to make every concept concrete.guideLambda vs ECS: the architect's compute decision guide on AWSChoosing between Lambda and ECS is not about preference — it is about matching the unit of scale to the load pattern. This guide covers every Lambda type (including MicroVMs and Managed Instances) and ECS type (Fargate, EC2, Managed Instances), the decision framework I use in practice, and the real impact on engineering, business, and customer experience.playbookPlaybook: 5 AI Architecture Shifts — and what to do about each oneWhat was advanced in 2025 became default in 2026: the bottleneck moved past the prompt, agents went to managed production, MCP standardized tooling, security became layered, and token FinOps entered the roadmap. This playbook maps each shift to concrete actions — for people building systems, not demos.guideInside AI Agents (1/3): Anatomy and the Reasoning LoopA technical lesson for developers and architects who hear 'AI agent' every day but want to truly understand what differentiates an agent from a plain LLM, a fixed pipeline, or simple RAG. We cover the full anatomy — model, tools, memory, planner — and the ReAct loop step by step with a concrete example. No hype; real trade-offs.guideInside AI Agents (2/3): Architecture Pattern Catalog — from ReAct to Multi-AgentThe second lesson in the series maps the full catalog of AI agent architecture patterns: from single-agent loops (ReAct, Reflexion, Plan-and-Execute) to multi-agent orchestration, covering memory as an architecture decision, guardrails, and human-in-the-loop. The goal is to give the architect a precise vocabulary to choose — and justify — the right pattern for each problem, without falling into classic anti-patterns.adrADR: Automated Policy Refinement in Bedrock GuardrailsThe new iterative refinement and ambiguity reduction workflows in Bedrock Guardrails Automated Reasoning checks reduce the manual burden of maintaining formal policies — but introduce non-trivial architectural decisions around governance, policy lifecycle, and CI/CD pipeline integration. In this ADR, I analyze the context, options considered, and real consequences of this decision in regulated financial environments.