Custom WordPress & WooCommerce Development
Bespoke themes, custom functionality, performance-minded WooCommerce builds and long-term technical maintenance.
Konstantinos Mountzouris · Software / Web Developer
Custom web systems for businesses that need more than a website.
I design, build and maintain practical software solutions around WordPress, WooCommerce, custom plugins, integrations and server-side workflows — with a focus on real business operations, not decorative complexity.
Custom
plugins & workflows
WooCommerce
stores & operations
API
integrations & webhooks
Server
email & hosting support
Services
Built around the messy, real parts of running a digital business.
Custom Plugins & Business Tools
Purpose-built plugins, admin workflows, internal tools, booking flows, data handling and automation systems.
E-shop Setup, Fixes & Optimization
Product catalogs, checkout flows, payment behavior, analytics, tracking, feed exports and marketplace compatibility.
API Integrations
ERP, courier, payment gateways, email services, webhooks, XML/CSV feeds and third-party business platforms.
Hosting, Email & Server Support
Linux servers, DNS, transactional email, deliverability, webmail, migrations, monitoring and practical troubleshooting.
Selected work
Not just websites. Systems that solve operational problems.
A focused view of technical work across e-commerce, publishing, professional services, architecture, hospitality and custom business workflows.
Runner Athletics
Large-scale Drupal 7 Commerce to WooCommerce migration with custom importers, variation handling, product feeds, Skroutz workflows, analytics events and operational tooling.
Custom Multi-file Upload Form
A custom contact/request form designed for users who needed to upload multiple large files reliably, with a cleaner flow than standard form plugins.
E-commerce Integrations
WooCommerce work involving advanced product scenarios, extra charges, coupons, payment methods, ERP-related testing and real-world order workflows.
Technical systems
The important work usually lives behind the scenes.
Clean frontends matter. But the biggest value often comes from the systems that make a business faster, safer and easier to operate.
WooCommerce product importers, variation builders and stock workflows
Custom XML/CSV feeds for marketplaces and product comparison platforms
Courier, ERP, payment gateway and webhook integrations
Analytics implementations for GA4, Meta Pixel, Skroutz and GTM setups
Custom admin panels, metaboxes, bulk tools and operational dashboards
Server, email, DNS and deliverability troubleshooting for business websites
Portfolio
A broad mix of websites, stores and digital platforms.
Runner AthleticsE-commerce / WooCommerce↗
Gift n DesignE-commerce↗
DecorativoWebsite / E-commerce↗
Mesogeios TVMedia / Publishing↗
Chamos LawLegal Website↗
M28Website↗
The Hive ArchitectsArchitecture Portfolio↗
First BreathWebsite↗
Owl RadioMedia / Radio↗
Baby BoumWebsite / E-commerce↗
VuarWebsite↗
Studio EphyraCreative Portfolio↗
P4 ArchitectureArchitecture Portfolio↗
ScientraCorporate Website↗
Chef DemetriosPersonal Brand↗
Messini HotelHospitality Website↗
Working style
Clear thinking. Practical builds. No drama.
01Understand the real workflow before writing code.
02Build the smallest reliable system that solves the actual problem.
03Keep the business owner in control with clean admin tools and documentation.
Contact
Have a project that needs solid technical execution?
Let’s talk about the business problem, the workflow and the simplest reliable way to build it.