Services

WordPress Consultant

Custom WordPress development and ongoing support from a senior developer with 18+ years of experience.

Trusted by

WordPress web application for The Worldbank to assist with bulk PDF creation and distribution during the COVID-19 pandemic
MIT Technology Review's custom headless WordPress stack combines content published in both Drupal and WordPress with a single API and frontend (Next.js/React)
Tufts Medical Center: Custom WordPress CMS development work to build out a custom design with in-house teams.
Puck.news SaaS subscription engineering and content paywall architecture supporting over 100k customers.
Cred.ai's WordPress powered custom websites providing headless CMS APIs to Android and iOS apps, and for powering a custom onboarding flow at apply.cred.ai
MIT: custom WordPress plugin, theme and brand implementation work for CSAIL and the Internet Policy Research Initiative, MIT Arts and Sloan Review
Internationalized and localized custom WordPress theme built for TripAdvisor
Certified WordPress VIP approved developer with experience committing and shipping code on the platform
SBLI's custom life insurance WordPress application development using Angular & Typescript
Swagger.io's open-source custom content theme powered by democratized content on GitHub, anyone can create a PR and contribute.
NetBrain enterprise B2B software: a custom WordPress theme with specific security and back-office application requirements
American Student Assistance custom theme support and ongoing maintenance and support for asa.org

Custom WordPress Websites

I work as an augmented, fractional member of your team to build and support advanced WordPress websites and applications. That includes new custom builds, ongoing support, and refactoring or rebuilding existing sites, with a focus on speed, reliability, security and performance. Built this way, WordPress works well for enterprise web content management.

Freelance development work of puck.news's custom WordPress website Custom WordPress plugin powering montway.com's custom onboarding flow Custom development and ongoing WordPress support for honeyfund.com/blog's custom theme design Custom built WordPress theme to power laudio.com's custom designed website Headless CMS powering technologyreview.com's custom agency designed WordPress website (design by Upstatement studio)
Full Portfolio
Scott Maxwell, Founder and Managing Partner at Openview Venture Partners
Kevin's ability as both a designer and developer, and his eagerness to fuel growth, have been a tremendously valuable asset to our firm and investment companies.
Scott Maxwell Founder and Managing Partner
OpenView Venture Partners

WordPress Consulting Services

Custom WordPress development from a senior developer, covering website design and development end to end for you and your team.

  • Custom Theme Development Custom WordPress themes built from scratch or directly from your Figma designs, including frontend animation and interaction work.

  • Gutenberg Block Development React-powered native Gutenberg blocks and ACF blocks, chosen per situation: native blocks when editors need rich, interactive in-canvas editing, ACF blocks when a structured, field-driven layout serves the content team better.

  • Legacy Code Cleanup I fix existing branded websites that are full of bugs, broken, or performing poorly.

  • Theme Audits Paid audits of an existing custom theme built by other developers or WordPress agencies: code quality, performance, security, and a prioritized fix list.

  • Plugin Development Supporting, improving, fixing and creating custom WordPress plugins built by WordPress agencies or programmers.

  • Launches & Migrations Phased launches with checklists, 301 redirect mapping and go-live coordination, plus host-to-host migrations, site consolidations and multi-domain management.

  • Analytics & Advertising Clean Google Tag Manager, GA4 and ad tag setups, with privacy-proof event tracking on server and client.

  • AEO & SEO Technical audits and AI optimization to prepare your site for AEO.

  • Third-party API Integrations Enterprise API integrations into WordPress: HubSpot, Salesforce, BigQuery, Stripe, Customer.io, Veeva Vault, Zapier, SMS APIs, Mailgun and internal client APIs secured with enterprise authentication like Microsoft Entra.

  • Professional DevOps & Hosting Certified consultant at Kinsta, WP Engine, Flywheel, IONOS and Cloudflare, with WordPress VIP development and administration experience, local/staging/production workflows, CI/CD pipelines with GitHub Actions deploying to Kinsta, WP Engine, Azure, AWS and Google Cloud, and DNS, CDN and caching configuration.

  • Lead & Conversion Optimization Advice on driving leads and increasing conversion rates.

  • Security & Compliance Experience with HIPAA, ITAR, PCI, SOC 2, GDPR, and more to support specific compliance requirements, including third-party security audits, penetration test findings and vendor security questionnaires.

  • Accessibility & WCAG 2.2 Theme-level accessibility remediation to WCAG 2.2 AA: heading order, color contrast, focus states, keyboard navigation, ARIA and form labeling.

  • Multilingual Sites WPML and Polylang when a team manages each language by hand, or automated translation through Google Translate and AI translation APIs, kept in sync as content changes.

  • Custom eCommerce WooCommerce and custom builds: product catalogs, payment gateways (Stripe, Klarna, Revolut, Link), product feeds to ad platforms, checkout conversion pixels, customer-account workflows, and paywalled digital product stores.

  • Publishing & Editorial Operations To-the-minute embargo publishing, video embeds and filterable resource libraries, podcast feed automation, author and role administration, and client-editable blog/press sections with training included.

  • Documentation & Handoffs Theme documentation, in-admin documentation menus, environment runbooks, version control setup for multi-developer teams, and knowledge-transfer offboarding.

  • Multisite Networks Extensive experience with WordPress multisite networks including domain mapping, subdomain or subdirectory.

  • Performance & Core Web Vitals Fixing performance bottlenecks directly in the codebase: LCP, CLS and INP, render-blocking assets, image and font delivery, query and autoload cleanup, and full-page, object and edge caching layers.

  • Custom Content Management Full ACF field architecture, field groups, repeaters, galleries and custom admin screens, plus custom post types, taxonomies, page templates and landing page systems your content team can run without a developer.

  • Deep Site Fixes & Cleanup Hands on experience fixing broken WordPress installs and making them stable.

Consultant, Specialist & Team Member

I work as an extended member of your team. Along with the work itself, I give suggestions and recommendations based on years of experience.

Puck.news is built with a custom WordPress theme and supporting plugins to provide a simple yet highly effective WordPress platform for their premium digital publication.

Let's Chat

If you're looking for expert consulting from a seasoned specialist schedule a consultation on Google Meet, or contact me by email.

Maura Welch, Senior Director of Brand
“Kevin quickly stood out for his deep expertise and clear, no-fluff communication. He delivered our corporate blog above expectations, and his proactive solutions and strategic thinking made a real impact.”
Maura Welch, Senior Director of Brand
More Testimonials

Direct Client Case Studies

TripAdvisor's Custom WordPress Theme

Custom WordPress theme development of the official TripAdvisor Blog, through three re-brands and across 12 localized TLDs.

Full Case Study

The World Bank's PDF Generation Application

WordPress as a headless CMS to power a PDF generation tool. They used it to distribute hundreds of COVID-19 status reports during the pandemic.

Full Case Study

SBLI's Custom Life Insurance Pricing Engine

Custom frontend and backend development for a high volume onboarding form built with Angular that provides instant life insurance price quotes at sbli.com/quote, as well as full online life insurance applications at apply.sbli.com

Full Case Study

Puck's Custom Subscription eCommerce Platform

Custom WordPress and Laravel development of a Stripe subscription based eCommerce website at puck.news, supporting 50,000+ customers.

Full Case Study

Cred.ai's Mobile App Connected Platform

Custom theme development, security hardening, and headless integration with a Next.js powered onboarding flow support the websites of this heavily used banking app by connecting to Android and iOS apps. Advertising connections are in place for campaigns on TikTok, Snapchat, Facebook, Reddit, LinkedIn and Google Ads.

Full Case Study

NetBrain's Multinational Website Optimization and Lead Generation

Custom WordPress theme development for netbraintech.com using ACF Pro for advanced, specialized content management and API connections to third-party systems including Marketo, Salesforce, Intercom.io and Zoho.

Full Case Study

MIT Sloan's Corporate Account Subscription System

Custom WordPress development using Piano and Stripe API connections for enterprise-level group subscription management. This extended into extensive development work to simplify and improve their custom WordPress theme build.

Full Case Study

Paperless Parts' HubSpot & Salesforce Connected Custom Theme

Custom theme built with the Roots Sage framework, utilizing plugins to integrate with HubSpot and Salesforce all while meeting strict security requirements to meet ITAR compliance rules.

Full Case Study

MIT Technology Review's headless WordPress CMS stack

High-volume headless WordPress supports a decoupled frontend that handles custom subscription management and unique eCommerce requirements like support for MIT alumni purchases, offering special discounts and rates.

Full Case Study

Coastal1's Secure Custom WordPress Banking Theme

WordPress powered banking website built for Rhode Island’s largest credit union. The site is secure and modular, with custom JavaScript powered calculators, SEO, and advertising implementations for paid ads on LinkedIn, Google Ads, Reddit and Facebook/Meta.

Full Case Study
programming

Proven Experience

I’ve built and maintained over 1,000 custom WordPress websites and apps, powering experiences for more than 200 million users worldwide. I solve problems quickly and work to prevent new ones.

  • 1000+ WordPress builds delivered

  • 1M+ lines of custom code

  • 200M+ users reached globally

  • 18 years solving business problems

wordpress

Reliable Support

I support far more than just WordPress, working across your digital stack on performance, security, and marketing systems as your business grows.

  • Performance and Core Web Vitals

  • Security at scale (SOC2, backups, auth)

  • Custom WordPress development (headless, REST API, blocks)

  • Analytics integration (GA4, GTM, BigQuery, Looker)

  • Marketing ops stack (HubSpot, Marketo, Salesforce)

Performance & Core Web Vitals

I do speed work in the codebase. I profile the bottleneck, fix it at the source, and check the result in field data.

  • LCP, CLS and INP fixes in the theme and template layer

  • Render-blocking CSS and JavaScript elimination

  • Image, font and third-party script delivery optimization

  • Slow query tracing, autoload cleanup and object caching

  • Full-page, object and edge caching layers configured together

  • PageSpeed, Lighthouse and Core Web Vitals reporting over time

server status

Third-party Integrations

I’ve connected WordPress to hundreds of third-party platforms, securely, so your site works with the rest of your stack.

  • Google Tag Manager, Google Analytics, Search Console

  • Cloudflare, Sucuri, Wordfence WAF

  • HubSpot, Salesforce, Marketo, Pardot

  • Stripe, WooCommerce, Shopify

  • Veeva Vault, Customer.io, Zapier, Mailgun

  • Spotify, Zoho, BigQuery, Twilio, SOAP

  • Mixpanel, Segment Analytics, Google Ads, Facebook/Meta Pixel

  • Enterprise APIs secured with Microsoft Entra

  • And many more…

revenue

WooCommerce & Custom eCommerce

From product catalogs to paywalled digital product stores, I handle the revenue side of WordPress: checkout debugging, payment gateway configuration, ad platform product feeds, and conversion pixels tied to checkout events.

  • Payment gateways: Stripe, Klarna, Revolut, Link

  • Product feeds for OpenAI/ChatGPT shopping and TikTok catalogs

  • Checkout and registration workflow fixes

  • Digital product and report stores with paywalled delivery

  • Subscription billing with Stripe

Publishing & Editorial Operations

I support editorial teams like an in-house platform engineer would: scheduled publishing, organized resource libraries, and workflows for writers and editors.

  • Time-scheduled publishing accurate to the minute (embargoes, webinars)

  • Wistia and video embeds, filterable resource libraries

  • Podcast feed automation

  • Dynamic content: latest-resource heroes, geo-targeted CTAs via reverse DNS

  • Author, user and role administration with editor training

time management

Same-Day Urgent Work

When legal needs an EULA change published today, a promo has to swap at midnight, or a vendor migration requires a scripted URL cutover timed to the minute, I handle that as normal work.

  • Same-day legal, promo and content changes

  • Sitewide renames and rebrand find-and-replace projects

  • Scripted vendor URL cutovers timed to migration windows

  • Vendor script installation with security and policy review

  • Plugin and theme conflict debugging

Certified Consultant at Top WordPress Hosts

Hosting Providers

I’m a certified expert recommended by top WordPress hosting providers. I work directly on high-performance and high-security client sites, including account and server management, bandwidth and capacity planning, and caching and Cloudflare rules.

  • Kinsta, WP Engine

  • Page.ly, Flywheel

  • AWS LightSail, WordPress VIP

  • Google Cloud, Cloudways

  • Pressable, IONOS

Concerns About
Hiring a Freelancer

Hiring a custom WordPress engineer instead of a full WordPress agency is a big decision. CMOs and digital leads often have concerns, so my process is built to address them.

Concern Solution

Long-Term Availability

Will this person stick around? What happens if they get too busy or disappear in the middle of something critical?

I’ve supported many clients for 5+ years with guaranteed SLAs and clear response windows. I limit my client load and have never left a project unfinished in 18 years.

Problem Solving Under Pressure

Can they step in when something breaks or troubleshoot fast when things go wrong?

I’ve built, fixed, and scaled hundreds of complex WordPress sites. When issues come up, I investigate quickly and fix them, often before they affect your KPIs.

Proactivity & Initiative

Will I have to micromanage them? Or will they bring ideas and move things forward without constant direction?

I approach every engagement as an embedded partner. I make recommendations, flag risks early, and take ownership of outcomes that support your business goals.

Modern Technical Practices

Are they up to date on SEO, accessibility, performance, and other essentials?

Yes. I implement modern Core Web Vitals, follow WCAG 2.2 accessibility, and stay on top of SEO and tracking changes (GA4, Consent Mode, schema, etc.) as part of every build.

Clear Communication

Can they communicate clearly with marketers, stakeholders, and engineers alike?

I’ve worked cross-functionally with CMOs, dev teams, and compliance leads. I communicate clearly, translate technical details into business terms, and adapt to your team’s style.

Data Security & Compliance

Will they treat customer and marketing data responsibly? Are they compliance-aware?

I’ve worked on systems with strict compliance needs (HIPAA, SOC2, ITAR, GDPR) and always follow secure development practices, from auth systems to backup policies.

Process & Documentation

Is there any structure to how they work? Can someone else pick things up if needed?

Everything I build is documented, from deployment steps to CMS editing guides. I use clean Git history, issue tracking, and onboarding docs so your team isn’t dependent on me alone.

Strategic Thinking

Will this person understand the bigger picture? Or just execute blindly?

With years of experience supporting CMOs and digital teams, I think beyond code. I bring ideas to help grow traffic, improve UX, and hit measurable marketing goals.

Common Tasks & Requests

A sample of the WordPress requests I handle for clients every month:

  • Custom theme development for a redesign or rebrand
  • Fixing plugin conflicts and white-screen errors
  • Migrating between WP Engine, Kinsta, and WordPress VIP
  • Staging-to-production deployment workflows
  • Sitewide rebrand and find-and-replace projects
  • 301 redirect mapping for a relaunch
  • Core Web Vitals and layout-shift fixes
  • WooCommerce checkout and payment issues
  • Custom admin interfaces for content teams
  • ACF and block-builder setups
  • Urgent same-day content and legal-page changes
  • Multisite setup and management
  • Monthly plugin, theme and core update cycles tested on staging first
  • Reviewing security scan alerts and patching what they find
  • Cloudflare DNS, WAF and cache rule changes
  • Content Security Policy rollout and unblocking what it breaks
  • Login rate limiting and brute-force mitigation
  • Cookie consent banners and Consent Mode v2 setup
  • Accessibility audit fixes: contrast, headings, alt text, focus states
  • SPF, DKIM and DMARC records for email that stops landing in spam
  • Database bloat cleanup and memory limit errors

Common Questions on Custom WordPress Development

If you're weighing the decision between a custom WordPress engineer and a full WordPress agency, These are the questions I hear most often from business and marketing leaders making that choice.

What hourly rates do custom WordPress engineers charge?

Rates vary based on skill, experience, availability, and reputation. Strong custom WordPress engineers typically charge more because they solve problems faster and build solutions that hold up long term.

Here’s a general breakdown:

  • $100-$200/hr, Experienced consultants who focus on mission-critical projects. They bring senior-level technical ability, often stronger than what you'll find in many agencies. Personally, I'm at the very low end of this range myself.
  • $50-$100/hr, Competent developers who can handle most business needs, but may lean heavily on plugins and prebuilt tools.
  • $10-$50/hr, Entry-level custom WordPress engineers who often rely on themes and plugins. These projects may work in the short term but often result in long-term limitations or instability.
How much does a custom WordPress design cost?

It depends on the scope: branding, UX, number of page templates, and your business goals all factor in. Here's a general guide:

  • $500-$2,500, Uses a prebuilt theme with light branding. Good for basic sites, but don't expect deep customization or long-term flexibility.
  • $2,500-$7,500, Small agency or custom WordPress engineer using semi-custom templates. Efficient, but may limit how much you can evolve later.
  • $7,500-$15,000, Custom-designed and developed themes with performance and maintainability in mind.
  • $15,000-$50,000, Fully tailored design and development projects. Often includes multiple rounds of revisions, collaboration with internal teams, and long-term planning.
  • $50,000+, Large-scale projects from elite custom WordPress engineers or well-known agencies. Suited for complex systems, global organizations, or sites with integrated marketing stacks.
What does an ongoing WordPress maintenance retainer include?

Most of my client relationships are monthly retainers rather than one-off projects. A typical month includes:

  • Update cycles, plugins, themes, WordPress core and PHP versions, applied locally, verified on staging, then deployed to production.
  • Security monitoring, daily vulnerability scans against CVE/MITRE and wpscan.io, with every alert manually reviewed rather than auto-dismissed.
  • Error log triage, PHP notices, fatals and JavaScript errors caught before they turn into an outage or a broken form.
  • Backups and restores, verified backups, plus a tested restore path so it works when you need it.
  • A written monthly report, what changed, what was found, and what I recommend next.

On a well-built site that upkeep is light, so most retainer hours go toward consulting that grows your sales and marketing results.

Do you handle security hardening, scans and audit findings?

Yes, and it's a large share of my ongoing work, particularly for banking, healthcare, defense and publishing clients. That includes daily vulnerability scanning, Content Security Policy deployment and maintenance, login rate limiting, brute-force mitigation, author and REST API user enumeration blocking, and Cloudflare WAF rules with firewall event review.

I also work directly against third-party findings: penetration test reports, security scorecard results, vendor security questionnaires, and monthly scans from CISA's federal scanning program, which I've enrolled client domains in. I deliver findings as code and configuration changes.

Can you handle accessibility and cookie consent compliance?
Do you set up CI/CD pipelines and automated testing?

Yes. I build CI/CD pipelines with GitHub Actions that deploy WordPress to Kinsta, WP Engine, Azure, AWS, Google Cloud and other hosts, so every release is repeatable and reviewable.

I no longer typically recommend PHPUnit test suites for WordPress themes and plugins. AI-based code review running inside the CI/CD pipeline is far more effective, reviewing every pull request for bugs, security issues and coding standards before anything deploys.

Do you provide support after launch?

Yes, for as long as you need it. In practice that ongoing work is almost always consulting to grow your sales and marketing, not keeping the site running. The sites I build are designed to be fully self-sufficient for your marketing team, and when a site is built well it shouldn't need ongoing developer support.

I keep adding value by finding new ways to drive revenue. I carve out dedicated time for that work so I'm never overstretched, and we agree up front on what it covers so I can budget my time properly.

Why do our WordPress emails land in spam, and can you fix it?

Almost always because mail is sent straight from the web server with no authentication behind it. The fix is to route all WordPress mail through authenticated infrastructure such as SendGrid, Mailgun or a verified SMTP relay, then publish SPF, DKIM and DMARC records in DNS so receiving servers can prove the mail is from you.\n\nThat also protects your domain from spoofing and satisfies vendors like Stripe that now require a DMARC policy to keep sending on your behalf.

Is WordPress still relevant, and does it support modern web needs?

Yes. WordPress supports modern technologies like headless architecture, REST and GraphQL APIs, and custom frontend frameworks. The key is working with someone who knows how to implement these tools without overcomplicating your stack.

How does WordPress compare to newer CMS platforms?

WordPress offers more flexibility, scalability, and community support than most newer platforms. Many enterprise organizations use it because it can be shaped to fit most needs with the right developer.

Will WordPress keep up with future trends?
Isn't WordPress prone to security vulnerabilities?

WordPress gets targeted more often because it’s the most widely used CMS in the world. The platform itself is secure. Issues come up when poor-quality plugins or bad practices are introduced. With proper security controls, updates, and monitoring in place, WordPress can meet modern security expectations.

How flexible is WordPress for custom builds?

WordPress is flexible for teams that need more than just off-the-shelf functionality. It supports fully custom themes, Gutenberg blocks, integrations, and publishing workflows. You can control every aspect of the experience, from the database layer to the UI.

Why choose WordPress over a newer or niche CMS?

WordPress has a large ecosystem. Whether you need a developer, designer, or specialized consultant, you won’t struggle to find support. Its long track record and ongoing innovation make it a safe, sustainable choice that can evolve with your business.

Can WordPress support complex business requirements?

Yes, with the right architecture and development practices, WordPress can support advanced workflows, API integrations, custom user roles, and global content strategies. Many enterprise companies use it for exactly these reasons.

Is WordPress a cost-effective solution?

WordPress is cost-effective because it's open-source, flexible, and doesn’t lock you into long-term licensing. You can build enterprise-grade features at a fraction of the cost of proprietary systems, without sacrificing scalability.

Is WordPress a strong platform for SEO and content?

Yes. With the right setup and tools, WordPress is a strong SEO platform. Plugins like Yoast or Rank Math provide advanced features, and its flexibility allows for proper semantic markup, schema, and performance optimization to help boost rankings and visibility.

Can WordPress scale as my business grows?

Yes. WordPress can handle high traffic, large volumes of content, and enterprise-level complexity. With a solid technical foundation and scalable hosting, it’s been proven at scale by brands like Time, Meta, and The New York Times.

What’s a good consulting theme for WordPress?

If you're a developer, I recommend building your own theme with Roots Sage or Timber for long-term control. If you're a business owner managing your own site, Bricks is a flexible, performance-friendly builder that gives you full control, without relying on bloated templates.

Benefits of working together

version control

Senior-Level Work

Every line of WordPress code on your project is written by a senior developer, me. There are no account managers or handoffs. I integrate into your team using tools you already rely on, like Asana, Jira, or Slack, and when your site has an urgent issue I’m easy to reach by email, call, or message.

video call

Clear, Direct Communication

Clear communication keeps WordPress projects on track. I provide regular updates, join standups and team meetings, and explain technical decisions like theme architecture, plugin choices and hosting tradeoffs in language your marketing and editorial teams can act on. I'm based in Boston, Massachusetts, working US Eastern Time.

conversation

Experience & Collaboration

I’ve worked with WordPress professionally for 18+ years: custom themes, plugin development, WooCommerce, multisite, and performance tuning at scale. I stay open, collaborative, and aligned with your goals.

content

Fewer Plugins

Many WordPress issues come from plugin bloat. I solve problems with lightweight, maintainable code when it’s the better approach, and only use a plugin when it fits your stack.

Let's Chat

If you're looking for expert consulting from a seasoned specialist schedule a consultation on Google Meet, or contact me by email.