Every WordPress business eventually hits the feature that no plugin in the directory quite covers. The usual workaround is stacking three plugins and a snippet from a forum, which works until the next update. A small custom plugin, written for exactly your workflow, is often cheaper over a year than the licences it replaces — and it does not break when a vendor changes direction. I have been writing WordPress plugins since 2011, from small utilities to integrations that sync thousands of records with external systems.
A good plugin plays well with everything else on the site. That means actions and filters instead of edits to core or the theme, capability checks on every admin action, nonces on every form, escaped output and prepared queries. Those are the habits that separate a plugin you can update safely from one that becomes a security incident.
External APIs time out, rate-limit and change. A plugin that syncs orders to a CRM or leads to HubSpot has to queue work, retry failures, log what happened and alert someone when it cannot recover. I design for the failure cases first, because those are what the business actually notices. Need the store side too? See WooCommerce development.
A common call: a plugin was abandoned by its author, a PHP or WordPress update broke it, and the site depends on it. I diagnose the failure, patch it so the site is stable, and then recommend whether to maintain a fork, replace it with a maintained alternative, or rewrite the small part you actually use as a lean custom plugin. The underlying PHP upgrade work is often part of the same job.
You do. The code is delivered in your repository, documented, and yours to modify or hand to another developer. No licence keys or lock-in.
Usually yes, through the hooks and APIs the plugin exposes, without editing its files — so it stays updatable. If the plugin offers no extension points, I will tell you what the realistic options are.
It depends on scope. A focused plugin with a settings page and one integration is typically a few days of work; a plugin with custom data models, admin reports and several integrations is measured in weeks. I give a fixed written estimate after a short scoping call.