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WordPress Plugin Development

WordPress Plugin Development built to coding standards — secure, performance-tuned, multisite-ready. Custom plugins, REST APIs, and Gutenberg blocks.

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WordPress Plugin Development Services Built to Last

Custom WordPress plugins engineered to WordPress Coding Standards — secure, performant, well-documented, and ready for the WordPress.org repository or your private estate.

Why Choose This WordPress Plugin Development Service?

Most plugin “experts” stitch together hooks until something works. I engineer WordPress plugins the way real software is engineered: PSR-4 autoloading, dependency injection, unit tests, REST APIs, Gutenberg blocks where appropriate, multisite-aware activation, and proper i18n. Whether you need a private internal tool, a SaaS-style plugin shipped to clients, or a public plugin built for the WordPress.org repository, my WordPress Plugin Development service delivers code your future maintainer will thank you for.
Key Insight: PSR-4 autoloading, namespacing, and clean OOP architecture WordPress Coding Standards (PHPCS) + automated linting Hardened against XSS, CSRF, SQL injection, and capability bypass Multisite-aware activation, deactivation, and uninstall hooks Gutenberg blocks, REST endpoints, and CLI commands as needed Unit tests with PHPUnit + Brain\Monkey or WP_Mock Clean translation-ready strings (i18n) and RTL support Versioned releases with CHANGELOG and update server

What You Get With My WordPress Plugin Development

Custom Plugin Architecture

PSR-4 autoloaded namespaces, separate concerns for admin, frontend, REST, CLI, and integrations, and a single bootstrap file. Easy to read, easy to extend, easy to onboard a new developer to — your WordPress Plugin Development project becomes a real codebase, not a soup of functions.

Gutenberg Blocks & React UI

Custom blocks built with @wordpress/scripts, dynamic blocks where SSR is needed, full support for block patterns, theme.json, and block templates. Your plugin slots into modern WordPress sites cleanly instead of fighting the editor.

Settings, Admin Pages & UX

Polished admin pages built with the Settings API or React + REST, sensible defaults, contextual help, sane validation, and zero “looks like 2014” screens. Your customers — or internal users — get a tool that feels like the rest of WordPress.

REST API & Webhooks

Custom REST endpoints with capability checks, JSON schema, pagination, and rate limiting. Outbound webhooks for integrations with Zapier, Make, Slack, and CRMs. The plugin becomes a first-class citizen of your stack instead of a black box.

Security & Compliance

Every input sanitized, every output escaped, every nonce checked, every capability verified. SQL via $wpdb->prepare() only, capability-aware REST routes, secure file uploads, and audit-trail logging where compliance demands it.

Performance & Scale

Object cache friendliness, transient discipline, lazy hooks, deferred autoload options, indexed custom tables when needed, and benchmark runs against realistic data volumes. Your plugin runs fast on a 50-product site and on a 500,000-record site.

Tests, CI & Code Quality

PHPUnit + Brain\Monkey unit tests, optional integration tests, GitHub Actions or GitLab CI for automated linting, security scanning, and release packaging. Quality is enforced by the pipeline, not by hope.

Updates, Licensing & Distribution

WordPress.org releases when you want public reach, EDD/Freemius licensing when you want paid distribution, or a private update server when the plugin stays internal. Versioned releases, CHANGELOG, and rollback strategy included.

My WordPress Plugin Development Process

A predictable engineering workflow — discovery to release.

1

Requirements & Architecture

I capture user stories, edge cases, integrations, scaling targets, and security requirements. Output: a written spec, an architecture diagram, a class/file map, and a fixed-fee or milestone budget. No guesswork later.

2

Plugin Scaffold & CI

PSR-4 autoloaded scaffold, PHPCS with the WordPress ruleset, PHPUnit harness, GitHub Actions for lint + tests + release packaging, and a feature-branch Git workflow you can plug into your team’s review process.

3

Iterative Development

Features land in small, reviewable PRs with tests where it matters. You see weekly demos on a staging site, leave comments inline, and I adjust before the next sprint. No surprise reveal at the end of the project.

4

Security & Performance Audit

Independent review of nonce/capability/sanitization coverage, SQL injection surface, file upload handling, and REST authentication. Performance runs against realistic data volumes — DB queries profiled with Query Monitor.

5

QA, Docs & Release

Manual QA across multiple WP/PHP versions, browser testing for any UI, README + inline PHPDoc, plus a versioned release with semver tag, CHANGELOG, and packaged ZIP. Optional WordPress.org submission and review hand-holding.

6

Support & Roadmap

Optional retainer covers bug fixes within SLA, compatibility updates for new WordPress and PHP versions, and a backlog of new features per month. Your plugin keeps shipping instead of bit-rotting.

WordPress Plugin Development Pricing

Fixed-scope packages plus discovery-based custom quoting for larger plugins.

Quick Plugin

$899

Single-feature internal plugin, 1 admin screen.

  • Up to 1 admin settings screen
  • 1 shortcode or 1 small block
  • WordPress Coding Standards compliance
  • Translation-ready strings
  • README and inline PHPDoc
  • PHPUnit smoke tests for critical paths
  • 1 round of revisions
  • 30 days of bug-fix support
  • REST API endpoints
  • WordPress.org submission
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Enterprise Plugin

Custom

Multi-tenant, integrations, distribution.

  • Multi-tenant or multisite-aware architecture
  • Custom DB tables with migrations
  • EDD/Freemius licensing or private update server
  • External integrations (CRM, ERP, payments)
  • Comprehensive PHPUnit + integration tests
  • Independent security audit
  • WordPress.org submission and review handling
  • SLA-backed retainer for ongoing development
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WordPress Plugin Development — FAQs

How long does WordPress Plugin Development take?

A Quick Plugin typically ships in 1–2 weeks, a Professional Plugin in 4–8 weeks, and an Enterprise Plugin in 10–20 weeks depending on integrations and audit scope. Each project includes a written timeline up front.

Will my plugin pass WordPress.org review?

Yes — when public release is the goal, I build to WordPress.org guidelines from day one: GPL-compatible, no trademark misuse, no remote calls without consent, sanitized inputs, escaped outputs, prefixed globals. I also handle the back-and-forth with the review team.

Do you write tests for the plugin?

Yes. Professional and Enterprise plugins include PHPUnit unit tests for critical paths and Brain\Monkey or WP_Mock for hook-level testing. Integration tests against a real WordPress install are added for plugins with custom DB tables or REST APIs.

Can you build Gutenberg blocks for the plugin?

Yes. I build static and dynamic Gutenberg blocks with @wordpress/scripts, including server-side render callbacks, block.json metadata, block patterns, and editor-only previews. Blocks integrate cleanly with theme.json and block templates.

What about plugin licensing for paid distribution?

I integrate Easy Digital Downloads (EDD) Software Licensing or Freemius for license keys, automatic updates, and revenue tracking. Or I set up a private update server using YahnisElsts/plugin-update-checker when distribution is internal-only.

How do you handle plugin updates and backwards compatibility?

Every plugin uses semver. Database migrations run on activation/upgrade with version checks. Deprecated functions stay around with @deprecated tags for at least one minor version. Update notices and rollback documentation are part of every release.

Do you sign NDAs for private plugin work?

Yes. I routinely sign NDAs and IP-assignment agreements for private plugin work. Source is delivered via your Git provider (GitHub, GitLab, Bitbucket) with you as the owner so there is no vendor lock-in or licensing ambiguity.

Can you fix or extend a plugin I already own?

Yes. Plugin rescue work — adding features, fixing performance issues, modernizing PHP support, replacing deprecated APIs, or migrating off legacy frameworks — is a regular part of my WordPress Plugin Development practice. I start with a 2-hour code audit.

Got a plugin idea? Let’s scope it.

Share your specs, screenshots, or even a one-paragraph idea — I’ll send a fixed-scope WordPress Plugin Development proposal within 48 hours.

Get a Free Plugin Quote

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