Walter Technologies
Insights

Notes from the engineering work.

Practical writing on AI automation, software engineering and application modernization — grounded in what we actually build.

AI & Automation

Agentic AI Adoption Is Exploding — So Is the Code Review Burden

Enterprise agentic AI adoption jumped from under 5% to a projected 40% in a single year. The security and review overhead that comes with it is the part nobody's pricing in.

September 5, 20266 min read
Engineering

Why IT Services Are Moving From Hourly Billing to Fixed-Price Contracts

AI is cutting the hours needed for coding, testing and maintenance — and pulling the industry's pricing model away from time-and-material toward outcomes.

September 4, 20265 min read
API & Integration

Webhooks vs. Polling vs. Batch Sync: Choosing the Right Integration Pattern

Every system integration comes down to one of three patterns. Picking the wrong one is the most common reason integrations feel unreliable.

August 30, 20266 min read
SaaS Engineering

Multi-Tenant Architecture: The Mistakes That Show Up at Scale, Not at Launch

Multi-tenant SaaS architecture decisions look fine with ten customers and become expensive with a thousand. Here's what to get right early.

August 28, 20267 min read
AI & Automation

RAG vs. Fine-Tuning: What Actually Solves Your AI Accuracy Problem

When an AI feature gives wrong or outdated answers, the instinct is often fine-tuning. Usually the actual fix is retrieval — here's how to tell which one you need.

August 22, 20266 min read
SaaS Engineering

The MVP Scoping Mistakes That Cost Founders the Most Time

Most MVPs don't fail because they were built badly. They fail because they were scoped to answer the wrong question.

August 18, 20265 min read
Cloud & DevOps

Where Cloud Costs Actually Go, and What's Worth Fixing First

Cloud bills rarely grow from one big mistake. They grow from a dozen small defaults nobody revisited. Here's where to actually look.

August 14, 20266 min read
AI & Automation

AI Agents vs. Chatbots: Why the Distinction Matters for Your Business

Most businesses evaluating AI conflate agents and chatbots. The difference determines whether AI actually reduces manual work or just adds another interface to check.

August 12, 20266 min read
Cloud & DevOps

The CI/CD Checklist Most Teams Skip Until After an Incident

Most CI/CD pipelines cover build and deploy. Fewer cover the parts that actually prevent a bad release from becoming an outage.

August 5, 20266 min read
Engineering

Technical Questions Worth Asking Before You Inherit a Codebase

Whether you're acquiring a company, hiring an engineering partner, or taking over an existing product, these are the questions that actually reveal risk.

August 1, 20266 min read
Application Modernization

When to Modernize a Legacy Application vs. When to Rewrite It

A full rewrite is the default instinct for an aging application, but it's rarely the right first answer. Here's how to actually decide.

July 24, 20267 min read
Engineering

Dedicated Engineering Team vs. Project-Based Agency: What Actually Differs

Both models get called "outsourcing." The actual differences are about control, continuity and how technical decisions get made — not just cost.

July 10, 20265 min read
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