Rehan Surahyo Senior App Engineer based in Pakistan.
Since 2021, I have been architecting high-performance software solutions. As a Senior Software Engineer, I specialize in bridging the gap between complex business requirements and scalable technical execution.
My engineering mission: To build robust, secure, and user-centric applications that drive real business value.
Expert Scale Code
Production Velocity

4+
Years in Engineering
30+
Successful Projects
100%
Client Satisfaction
99%
Core Performance
My Engineering Stack
Mobile Architecture
- Flutter & Dart
- Firebase Integration
- Clean Architecture
- Riverpod & Bloc
- System Native Bridge


Web Engineering
- React & Next.js
- Node.js Backend
- TypeScript Expert
- Tailwind CSS
- MongoDB & Firestore


Desktop Software
- C# .NET Core
- Entity Framework
- WPF Applications
- POS System Logic
- Hardware Interface
Serving Pakistan & the Global Scale.
Based in Hyderabad, Pakistan, I provide high-end software development services to clients across Karachi, Lahore, Islamabad, and international markets. I specialize in building custom POS systems, mobile applications, and enterprise dashboards that deliver measurable results.