Currently accepting projects

I build the software
that runs your business.

Billing systems, e-commerce platforms, inventory management, booking engines, CRM, APIs — architected and built from the ground up. One developer. Full accountability. No hand-offs.

Get in Touch ›See What I've Built
25
Years in technology
100+
Verified 5-star reviews
37+
Modules in BX1X platform
Global
US, UK, Europe, AU & SA
What I Build

Complete systems. Not just code.

I build the platforms businesses run on — from billing to bookings, inventory to e-commerce. Every system I build connects into one data layer.

Featured: BX1X
Billing, E-Commerce & Business Platforms
I built BX1X — a 37-module business operations platform with billing, invoicing, inventory, e-commerce, bookings, CRM, and accounting. All from scratch. I can build yours too.
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API Servers & Integrations
Custom APIs, microservices, payment gateway integrations, and systems that connect your business tools into one workflow.
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Mobile Apps
React Native companion apps for iOS and Android that extend your web system to mobile.
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WordPress & WooCommerce
15 years in the ecosystem. Codeable Certified Expert (2014–2017), former WooThemes WooWorker. Support, rescue, and custom development.
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Built & Running

Systems I've designed and built.

Real platforms, delivered to production. Built to handle real transactions for real businesses.

BX1X Business Platform

37-module all-in-one platform — billing, invoicing, inventory, e-commerce, bookings, CRM, accounting, and medical. Replaces 5-6 separate business tools with one connected system. Built from scratch, every module shares one data layer.

Explore bx1x.com ›
Healthcare

Medical & Dental Practice Platform

Enterprise-grade practice management — patient records, dental tooth charting (32-tooth model with surface-level detail), orthodontic treatment tracking, appointment scheduling, billing with medical aid claims processing, and clinical documentation with audio notes. Built around HIPAA and POPIA data protection principles.

View project ›
Enterprise POS

Recycle Point-of-Sale System

Full POS cloud application for a recycling company — 7 branches, 350 employees, 5,000+ daily transactions. Built solo over 13 months.

• Weighbridge integration
• Cash float & cashup system
• Multi-branch stock management
• Purchase & sales orders
• Loan management
• Full reporting with CSV export
• 128-bit decimal precision
• Audit trails on everything
View full case study ›
Telecom Scale

Rewards & Subscription APIs

High-scale API systems for MTN, Vodacom, CellC & Telkom. Millions of daily transactions. Loyalty points, stamps, vouchers, QR redemption.

Own Product

Authentikor

My own SaaS product — verified email delivery and QR-based document verification. Fully multi-tenant architecture.

Visit authentikor.co.za ›
About
Anton de Villiers
Systems architect and software developer based in Cape Town. I build the platforms businesses run on — billing, e-commerce, inventory, bookings, CRM. 25 years in technology, 15+ years building software for clients across 5 continents.
Full story & BX1X platform ›
Table Mountain in Cape Town
Anton de Villiers
Consultant first
I start by understanding where your system breaks today and where it will break during growth. Then I build.
In an industry fraught with fly-by-night developers, it has been refreshing to have found someone who is kind, accessible and has his clients' best interests at heart. He is professional, skilled and diligent.
Simon Bloomhill — COO, Camelthorn Travel
Process

Simple, honest, fast.

1
Tell me what you need
Send a short summary of your project, problem, or idea. No formal brief needed.
2
I review and respond
Within 24 hours — honest feedback on fit, approach, and the fastest path forward.
3
We scope and build
Clear scope, clear timeline. I build it. No surprises, no disappearing acts.
Reviews

100+ verified reviews.

Real clients. Real projects. Proof available on request.

We have had the privilege of working with Anton for some 6 months now. In and industry fraught with fly by night developers and designers, it has been refreshing to have found someone who is kind, accessible and has his clients best interests at heart. He is professional, skilled and diligent. I would highly recommend him for any development and web services one might have.
Simon Bloomhill — COO - Camelthorn Travel
I can't say enough times how grateful I am for Anton's work. He was professional, timely, courteous and above all, he went out of his way to ensure my task was completed no matter what. Thank you again and again Anton for your amazing work!
Cheryl — Club Hub - London, Ontario
Very experienced. Very thorough. Excellent communicator. Exceptional eye for detail. Anton explored every possible option and outcome and communicated multiple times per day through to completion. He went up and beyond the call to deliver. Highly recommended.
Michael Cannon — Creative Director - GOMEZ - ECOLAWYERS
Anton is very knowledgable and great at explaining technicality in a straightforward way. He's got a ton of experience. If you are wondering what to do, I recommend a consultation with Anton before you get going so you can have a clear path of work.
Ushi Patel — Founder - Ushi Patel
Anton was not only talented but relentless in making our project a success. He had great ideas and was able to meet our challenging schedule. Hope to work with him again someday soon.
Steve Levy — Director
Anton took his time to really understand the project and took care to make sure that all the steps were followed as laid out. 10/10 would hire again.
Rececca Morales — Developer
See all 100+ reviews ›
Have a project in mind?
I review every enquiry personally and reply within 24 hours with honest feedback on fit and next steps.
Get in Touch ›Call +27 87 150 9305