Writing

Notes from the integration layer

What I learned building portals, dashboards and CRM syncs — the decisions that held up in production and the ones that did not.

All topics API Architecture Dashboards Integrations Laravel Legacy Marketo Migration MySQL Performance RabbitMQ Salesforce Yii

01 Sep 2026 · 3 min read

Marketo: access_token Query Param Is Out, Authorization Header Is In

Marketo is retiring token-in-the-URL authentication for its REST API. If your integration still appends ?access_token=… to every request, here is exactly what change...

Marketo Integrations API

18 Jun 2026 · 3 min read

Idempotent CRM Sync: Why Your Integration Keeps Creating Duplicates

Every retry in a CRM integration is a chance to create a second copy of the same lead. Here is the key design that makes retries safe — and the three places teams us...

Integrations Salesforce RabbitMQ

02 Apr 2026 · 3 min read

Dashboards That Stay Fast: Rollup Tables Over Raw Events

A marketing dashboard querying raw event tables is fine at 100k rows and unusable at 40 million. Pre-aggregation is the boring fix that works — here is how to struct...

Performance MySQL Laravel

22 Jan 2026 · 3 min read

Strangler-Fig in Practice: Migrating a Yii 1 Portal Without a Freeze

Rewrites fail because they demand that the business stop moving. Incremental migration lets both applications run at once — the hard part is the session, not the rou...

Legacy Yii Laravel

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