I am a Full-Stack & Mobile Developer based in Belfast, Northern Ireland, specializing in C# .NET development, iOS & Android mobile apps, database migrations, and cloud server integrations.

I also build and license bespoke online ordering systems for local restaurants and retail shops at a low, affordable monthly cost.

• 📍 Based in Belfast, Northern Ireland.
• 🛠️ Specialized in C# (.NET Core / MAUI), JavaScript (React / Node.js), iOS & Android development, and SQL Server.
• 🚀 Passionate about building robust backend databases, clean mobile frontends, and custom digital tools like online ordering platforms for local shops and restaurants.
• ✍️ I regularly write technical articles sharing insights on database migrations, mobile development, and cloud sync.

• Languages: C#, SQL, JavaScript (ES6+), Kotlin, Swift, HTML5, CSS3
• Frameworks & Tools: .NET MAUI, ASP.NET Core, React, Node.js, Git
• Solutions: Bespoke E-Commerce & Online Ordering Systems, Cloud Server Integrations, Database Migrations

• Bespoke Online Ordering Engine — A complete custom booking and ordering platform deployed to local Belfast restaurants and boutique shops. Offers an alternative to expensive delivery apps with a low, flat monthly fee.
• Schema Migrator Core — A high-performance library for relational database migrations and upgrade rollbacks in C#.

• 💼 LinkedIn: Liam McMahon - Full-Stack & Mobile Developer
• 🌐 Personal Website: [liammcmahon.com]