Hello! I'm a passionate Software Developer with a strong focus on Flutter and Cross-Platform ecosystems. I enjoy creating beautiful, high-performance, and user-centric applications that run flawlessly on both iOS and Android from a single codebase.
My foundation in low-level languages like C and C++ allows me to write highly optimized code and understand systems under the hood, while my experience with Python and Backend technologies makes me capable of building robust, full-stack architectures.
Years Experience
Projects
Client Satisfaction
How I bring ideas to life
Understanding requirements, target audience, and planning the core architecture.
Crafting pixel-perfect prototypes and establishing the UI/UX design language.
Writing clean, scalable, and optimized code using Dart and Flutter.
Rigorous testing, App Store/Play Store obedience, and seamless launch.
My professional journey so far
Leading a team of 4 mobile developers to build scalable e-commerce and fintech applications using Flutter. Reduced app crash rates by 40% and improved render times through custom isolating and state management optimization.
Developed and maintained over 10 cross-platform mobile applications for diverse clients. Integrated complex RESTful APIs, Firebase services, and third-party SDKs including Stripe and Google Maps.
Languages, Frameworks, and Tools I use
What I bring to the table for your next big project
I deliver high-quality iOS and Android applications from a single codebase using Flutter, saving you time and development costs while ensuring native-like performance.
I meticulously translate Figma and Adobe XD designs into pixel-perfect, responsive Flutter UIs with fluid 60FPS animations.
Using my experience with Python and Firebase, I can seamlessly connect your mobile app to complex databases, secure APIs, and cloud functions.
I am currently available for freelance projects and full-time remote opportunities. Let's discuss how my skills can align with your goals.
Book a Free ConsultationSome of the apps I've built
What people say about my work
Working with John was an absolute pleasure. He transformed our messy Figma files into a buttery smooth Flutter application in record time. Highly recommended!
We needed a developer who understood both low-level performance and beautiful UI. John delivered a cross-platform app that feels 100% native on both iOS and Android.
Want to dig deeper into my qualifications? Download my complete resume to see a detailed breakdown of my education, complete work history, certifications, and technical proficiencies.
Let's discuss your next project
I'm currently looking for new opportunities. Whether you have a question, an app idea, or just want to say hi, I'll try my best to get back to you!
nisan18@cse.pstu.ac.bd
Patuakhali, Bangladesh
Project description goes here...