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Blog

Engineering notes on AI, SaaS platforms and building software that ships.

Written from what we run in production across our own products and our clients'. For the long-form pieces, see Insights.

Education · 6 min

The Enrollment Model Everyone Gets Wrong First in Ed-Tech

Enrollment isn't a signup — it's a time-bound state machine with money, seats, and holds attached, and generic SaaS models break on it fast.

Team Structure · 6 min

How to Pick Between Offshore, Nearshore, and a Senior Team

Hourly rate is the wrong lens for this decision — here's the arithmetic and the failure modes that actually separate these three options.

Multi-tenancy · 7 min

Offline-First Architecture for Software That Can't Assume a Signal

Connectivity is a feature you have to design for, not a default you can assume, and the difference shows up in your data model, not your loading spinner.

AI Evals · 6 min

Evaluating an AI Feature With No Labelled Dataset and No Time

A decision rule for scoring AI output when there's no ground truth and the launch date won't move.

Reconciliation · 6 min

Reconciliation, Ledgers, and Why a Float Isn't Money

In fintech software, a balance field is a guess and a float is money you're holding for someone else, not revenue.

Pricing Models · 7 min

Fixed Price or Time and Materials: Which Protects You More

The pricing model on your contract decides who eats the cost of every surprise, so pick it based on how well you actually know the scope.

Migrations · 6 min

How to Prove Your Data Migration Actually Worked, Not Just Ran

A migration script that exits cleanly hasn't proven anything. A reconciliation report is what tells you the data on the other side is correct.

Cost control · 6 min

Keeping AI Spend Predictable With Wallets and Per-Tenant Budgets

AI features fail commercially long before they fail technically, usually because nobody metered the spend by tenant.

Healthcare · 6 min

What Changes in Your Software Once PHI Enters the Database

Adding a patient_id column doesn't make software HIPAA compliant; the access model, audit trail, and retention rules all have to change too.

Contracts · 6 min

What to Require in a Development Contract Before You Sign

The clauses that decide whether you own your product or rent it from the studio that built it.

Migrations · 8 min

Migrating a Production Database Without a Maintenance Window

How we move schemas and whole tenant databases in production using expand-and-contract, dual writes and a reconciliation report that gates every cutover.

Logistics · 8 min

The Logistics Domain Rules Generic Software Always Breaks

Freight moves in splits, merges and exceptions. Generic order software models a straight line, and that mismatch is where the data model starts lying to you.