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/ CUSTOM PLUGINS · INTEGRATIONS · FIXES

Custom WordPress plugins, integrations & website fixes

When an off-the-shelf plugin does not fit, or a site is slow, broken or outdated, we write the personalized solution. Custom plugins, API integrations, booking logic, PHP upgrades, speed and security fixes. From Thessaloniki, Greece, for sites worldwide.

Get a free, fixed-price offer See our work
  • 527 projects completed
  • 4.97/5 from 454 reviews
  • 98.6% on budget
  • Thessaloniki, Greece · worldwide

/ WHAT WE DO

The work other plugins can’t do

  • Custom WordPress plugins

    User management, content automation, admin tools: plugins built for your exact workflow.

  • Integrations & APIs

    Connect your site to CRMs, calendars, payment providers and external data.

  • Booking systems

    Custom booking logic for rentals, tours and appointments.

  • Speed fixes

    PageSpeed and Core Web Vitals improvements on existing sites.

  • Security & updates

    Security updates, hardening and clean-up, plus PHP upgrades such as PHP 8.3.

  • Bug fixing

    CSS, JavaScript and PHP issues on WordPress, Drupal, Joomla and custom sites.

/ WHAT YOU GET

What you get

  • A clear diagnosis before anything is changed
  • Clean, documented code that survives updates
  • Work tested on staging before going live
  • Backups before changes
  • A short summary of what was done

/ CASE STUDIES

Recent projects

Voyarent homepage: boat rental and yacht charter search form

/ CASE 01 — CUSTOM PLUGINS · API

Voyarent

Custom plugins that handle boat bookings and yacht rentals, with an API connection for the data and calendar synchronisation.

amorgos-diving.com website screenshot

/ CASE 02 — CUSTOM PAYMENT GATEWAY

amorgos-diving.com

Theme modifications plus a custom payment gateway built specifically for the client’s bank.

Projects completed
527
Avg. rating · 454 reviews
4.97/5
Projects on budget
98.6%
Online since
2013

Freelancer.com stats

/ CLIENT REVIEWS

What clients say

All 454 reviews on Freelancer.com
  • ★★★★★ Custom User-Management WordPress Plugin

    Best freelancer so far - and I made over 100 project - so this means something - certainly will continue to work with Babis

    KSchmidt · Freelancer.com
  • ★★★★★ Site security updates

    Always a pleasure to work with Charalampos. fast and efficient and results 100%

    Celsius52 · Freelancer.com
  • ★★★★★ Css And Js Fix On Drupal Site

    Very skillful programmer. Out of 6 freelancers I hired he managed to fix my website in a short period of time

    kylecromie1 · Freelancer.com
  • ★★★★★ Plugin Repair & Customization

    He completed the task in time and with budget, highly reliable, this is my second time hiring him and I'm looking forward to hiring him again, completely recommended!

    SalvadorH · Freelancer.com
  • ★★★★★ Upgrade WordPress Theme to PHP 8.3

    Great to work with. Fast and knowledgeable. Will hire again.

    go4itpt · Freelancer.com
  • ★★★★★ Swedish · EN below

    Snabb och professionell service. Anlitat under många år nu. Först för uppbyggnad av hemsida och eget bokningssystem. Numera för underhåll, integreringar och speciallösningar. Mycket nöjda!

    EN Fast and professional service. Hired for many years now, first to build a website and our own booking system, now for maintenance, integrations and special solutions. Very satisfied!

    Tove Leijon · Google

/ FAQ

Questions, answered

Can you fix a website someone else built?

Yes. A large part of our work is fixing, extending and upgrading existing sites, on WordPress, Drupal, Joomla and custom PHP.

Will a custom plugin break when WordPress updates?

We follow WordPress coding standards and use its APIs, so custom plugins keep working through updates. We can also maintain them for you.

Can you make my existing site faster?

Yes. We find what slows it down (scripts, images, fonts, hosting, cache settings) and fix it, measuring before and after.

Is my site safe during the work?

We take a backup before changes and test on staging where possible before anything goes live.

Do you work with clients outside Greece?

Yes. Web Wars is based in Thessaloniki, Greece, and works remotely in English and Greek with clients across Europe and worldwide. Our Freelancer.com profile alone counts 527 completed projects since 2013.

How much does it cost?

Every project is quoted individually. After a short discussion you get a free, fixed-price offer in writing, with scope and timeline, before any work starts.

/ RELATED SERVICES

Often combined with

/ NEXT STEP

Something broken or missing?

Describe the problem or the feature you need. You get a free, fixed-price offer in writing.

Get your free, fixed-price offer