Senior Delphi Software Developer & System Architect

Engineering,
in practice.

I'm Fajar Donny Bachtiar. I have more than five years of experience building Delphi applications, backend services, and database-driven systems.

Based in Yogyakarta, Indonesia. Working remotely.

Mobile POS Restaurant dashboard with the new order dialog
Mobile - POS RestaurantMobile application / Project preview

From the interface
to the database.

Delphi FMX, VCL, and Object Pascal are at the center of my work, supported by REST and WebSocket services, SQL databases, and server-side integrations.

About my engineering work

Selected work

Applications with
a job to do.

All projects

Engineering focus

A connected view of the system.

Desktop & mobile

Delphi VCL for Windows. FireMonkey for Android, iOS, and Windows applications.

APIs & integration

REST and WebSocket backend development with WebBroker, DataSnap, JSON, and PHP.

Data & architecture

FireDAC, MySQL / MariaDB, SQL Server, Firebird, and SQLite. Clear responsibilities across the application and its services.

Fajar Donny Bachtiar on a basketball court

The person behind the work

Hi, I'm Donny.

A senior software developer and system architect based in Yogyakarta, Indonesia. My work brings together application development, backend services, and data.

Alongside professional and independent projects, I publish practical Delphi tutorials through Blangkon FA.

More about me

Have a system in mind?

Let's talk about it