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Ratul Hasan
@ratulhasan1
Software Engineer
Bangladesh
English, Bengali
About me
👋 Hi there! I'm Ratul, a passionate Software Engineer with expertise in Flutter, Python, C#, and the .NET Framework. I specialize in building fast, reliable, and beautiful cross-platform applications — whether a mobile app in Flutter, a desktop tool in .NET, or a backend API in Python.
With 5 years of hands-on experience, I deliver clean code, intuitive UI/UX, and scalable architecture. I’m dedicated to solving real-world problems with tech that works.
Let’s bring your idea to life — efficiently and professionally.
Skills
Ratul Hasan
Offline •
Average response time: 1 hour
See my services
Mobile App Bug Fixes
I will fix any bug or crash in your flutter app within 24 hours
Programming & Tech
I will develop a smart iot flutter app with esp32, mqtt, and arduino control
Portfolio
Work experience
Founder & Full-stack Mobile Architect
Appibrium • Self-employed
Sep 2025 - Present • 8 mos
I design and build complete mobile systems—from frontend UI to backend infrastructure—with deep integration of DevOps and machine learning. At Appibrium, I lead the full product lifecycle, turning ideas into high-performance, scalable apps.
Software Engineer
Solution Explorer • Full-time
Jul 2025 - Oct 2025 • 3 mos
Design and develop cross-platform apps for mobile (iOS & Android) and desktop (Windows, macOS, Linux), ensuring performance, usability, and scalability.
Flutter Developer
Bdcalling IT Ltd. • Full-time
Mar 2025 - May 2025 • 2 mos
Built and optimized real-time features using Socket.io for live data syncing. Integrated audio/video calling features for both iOS and Android platforms. Worked on production-level mobile apps in a fast-paced corporate environment. Collaborated with cross-functional teams to deliver updates on tight deadlines.
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willimn
United States
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tembodesigns
China
Excellent service, he keeps his word. I highly recommend him!
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