You handle the client. I handle the WordPress.
Senior WordPress Development for Digital Agencies
I’m Aleksandar, a freelance WordPress developer with 10+ years of experience. I work with web design, digital marketing, SEO, and AEO/GEO agencies as a reliable technical partner — handling the WordPress work your team doesn’t have the time, capacity, or expertise to take on.



★★★★★
5★ Rated on Upwork · 100% Job Success Score

Who I work with
Web design, digital marketing, SEO, and AEO/GEO agencies that need a senior WordPress developer they can bring into a project when they need extra expertise, development capacity, or someone to solve a problem their team can’t easily handle.
No need to hire another full-time developer. Bring me in when you need WordPress expertise.
What I solve
Technical SEO
You provide the strategy and recommendations. I turn them into working WordPress changes — technical fixes, schema, redirects, indexation, templates, performance, and everything else needed on the development side.
Technical Problems
Plugin and theme conflicts, PHP errors, legacy code, broken functionality, hosting, DNS and Cloudflare issues. If the obvious fixes didn’t work, this is where I start.
Performance
I diagnose what’s actually making a WordPress site slow — from caching and assets to plugins, themes, databases, hosting, and server configuration.
Security
Security hardening, malware cleanup, hacked-site recovery, vulnerability fixes, and WordPress security configuration.
WordPress Development
Custom WordPress development, block themes, Gutenberg, Full Site Editing, custom plugins, templates, API integrations, migrations, and complex functionality.
WooCommerce
WooCommerce customization, checkout and product functionality, custom integrations, troubleshooting, performance optimization, and technical fixes.
150+
Projects Delivered
5★
Upwork Rating
100%
Job Success Score
10+
Years with WordPress
How I work
01. Send me the problem.
Send me the website, designs, SEO audit, task list — or simply tell me what’s going wrong. You don’t need a perfect technical brief. I’ll review what you have, identify what needs to be done, and tell you the best way forward.
02. I take ownership.
I investigate, define the scope, identify the priorities, and explain the solution clearly. Once we’re aligned, I get to work — without unnecessary meetings or endless back-and-forth.
03. I fit into your workflow, under your brand.
I fit into the way your agency already works. I can collaborate directly with your developers, designers, project managers, and SEO specialists — or work independently on assigned tasks. When white-label delivery makes sense, I work under your agency’s brand.
You own the client relationship. I own the WordPress work.
04. What I can handle for you
Custom WordPress development and block themes • Gutenberg & Full Site Editing (FSE) • WooCommerce development and customization • Performance & Core Web Vitals • Security hardening & hacked-site recovery • Hosting, DNS, SSL & Cloudflare • Technical SEO & schema implementation • AEO/GEO implementation • WordPress migrations • Technical maintenance & troubleshooting
I work on both new builds and existing websites — including legacy installations, plugin conflicts, technical debt, performance problems, security issues, and projects that need a developer to take ownership and get them over the finish line.
05. Let’s talk
After 10+ years with WordPress, I know what agencies need from a development partner: technical expertise, clear communication, reliable delivery, and someone who can take ownership without creating more work for your team.
If your agency needs a senior WordPress developer you can bring into projects when you need extra capacity or expertise, let’s talk.
Hear from our clients
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Client testimonial
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Client testimonial
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Client testimonial
Latest Work
A selection of WordPress projects, technical implementations, and problems I’ve helped solve for clients and agencies.
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Aca
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Foodbooking Online
Kompletna izrada veb sajta za pružanje usluga onlajn naručivanja i dostave hrane. Integracija onlajn sistema naručivanja i isporuke u veb stranice restorana i platforme za naručivanje.
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Pedijatrijska Ordinacija
Izrada veb stranice za specijalističke pedijatrijske ordinacije. Veb lokacija napravljena sa naglaskom na konverziju i generisanje potencijalnih klijenata. Čist, brz, napravljen za SEO i dobro rangiranje.
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I build WordPress websites your team can actually maintain.
Fast, secure, flexible, and built with WordPress’s native block editor and Full Site Editing where it makes sense.
01.
Design without limits
I use WordPress’s native block editor, custom block patterns, and Full Site Editing to build flexible websites without unnecessary page-builder dependencies. The goal isn’t to restrict design — it’s to give your agency a clean foundation that can be extended and maintained without being locked into a proprietary builder.
02.
Easy to edit and maintain
Content stays in WordPress’s native editing experience, with fewer unnecessary plugins and dependencies. That makes sites easier for your team to maintain, troubleshoot, and hand over to clients. When needed, I also provide documentation and guidance so your team knows exactly how the site works.
03.
Publish faster than ever
Reusable block patterns and a well-structured WordPress setup make it faster to build new pages and repeat common layouts. The result is a site your agency can continue to develop after launch — without starting from scratch every time.
FAQ for Agencies
Common questions about how we work together, what I can handle, and how to get started.
The Partnership
Yes. I work with web design, SEO, digital marketing, and AEO/GEO agencies as a freelance WordPress development partner. I can work independently, collaborate with your existing team, or take ownership of the WordPress side of a project.
Yes. When white-label delivery makes sense, I work under your agency’s brand. You remain the client-facing partner while I handle the WordPress development and technical implementation. I can also communicate directly with your team when collaboration is needed.
Absolutely. I can work independently on assigned tasks, collaborate with your developers, take ownership of a technical area, or step in when your team needs additional WordPress expertise or capacity.
Yes. I work on both individual projects and ongoing agency partnerships. If your agency regularly needs WordPress development or technical support, I can become a reliable extension of your team without the commitment of hiring another full-time developer.
Technical Capabilities
Yes. You provide the SEO strategy and recommendations; I handle the WordPress implementation. That can include technical fixes, schema markup, redirects, templates, indexation issues, internal linking changes, performance work, and other development tasks.
No. A large part of my work is on existing WordPress websites. I troubleshoot legacy installations, plugin conflicts, broken functionality, performance problems, migrations, custom functionality, and sites that need to be taken over from another developer.
Yes — and that’s often where I’m most useful. I investigate problems where the cause isn’t immediately obvious: plugin conflicts, PHP errors, legacy code, caching issues, database problems, performance bottlenecks, hosting configuration, and broken functionality. If your team has already tried the obvious fixes, that’s usually when I can add the most value.
Yes. I work on WooCommerce stores including custom functionality, product and checkout customization, integrations, troubleshooting, performance optimization, and other technical development work.
Yes. I investigate the actual causes of slow WordPress websites — caching, assets, plugins, themes, database performance, hosting, server configuration, and Core Web Vitals — rather than relying on generic optimization checklists.
Yes. I handle WordPress security hardening, hacked and compromised websites, malware cleanup, vulnerability fixes, and recovery. Where possible, I also identify and fix the underlying issue that allowed the compromise to happen.
Yes. I work with WordPress’s native block editor, block themes, and Full Site Editing. I prefer a lean WordPress setup with fewer unnecessary dependencies, but I can also work with traditional themes, page builders, and existing installations when that’s what the project requires.
Getting Started
Send me the website, designs, SEO audit, task list, or simply explain what you need. I’ll review it, let you know what I recommend, and give you a clear idea of scope and next steps. You don’t need to prepare a perfect technical brief.
Send me the details. If it’s within my technical scope, I’ll tell you how I can help. If it’s not something I can handle properly, I’ll tell you that too. I’d rather be clear about what I can and can’t do than pretend I can do everything.
Ready to work together?
Whether you need help with one difficult WordPress problem, an entire project, or ongoing development capacity, I can plug into your workflow and take care of the WordPress side.
Or email me directly to discuss your project scope. hello@alexwp.dev


