k
kosenaalam

Kosen Aalam

@kosenaalam

Full Stack Mobile App Developer Flutter Firebase supabase

India
Hindi, English
About me
Full Stack Flutter Developer specializing in scalable mobile applications using Flutter, Firebase, Supabase, PostgreSQL, Firestore, and Mapbox. Experienced in building production-grade business and marketplace platforms with clean architecture, real-time systems, REST APIs, authentication, geo-location features, and performance optimization. Built Milkdy, a dairy management system, and Agrozemex, a geo-based agricultural marketplace. Focused on creating reliable, modern, high-performance, and scalable mobile solutions for startups and businesses.... Read more

Skills

k
kosenaalam
Kosen Aalam
Offline • 
Average response time: 2 hours

See my services

Android App Development
I will develop production grade flutter mobile app with supabase or firebase
From$100 / projectMore details
Mobile App Bug Fixes
I will fix flutter bugs, firebase and supabse issues, and app errors
From$10 / projectMore details

Portfolio

Work experience

Freelancer.com

Flutter Developer

Freelancer.com • Self-employed

Jul 2025 - May 2026 • 10 mos

Full Stack Flutter Developer specializing in scalable, high-performance mobile applications using Flutter, Firebase, Supabase, PostgreSQL, Firestore, and Mapbox. Experienced in building production-grade business and marketplace platforms with modern UI/UX, clean architecture, optimized backend systems, and scalable mobile infrastructure for startups and digital businesses. Strong expertise in complete mobile application development lifecycle including frontend architecture, backend integration, authentication systems, REST API integration, database optimization, real-time systems, state management, caching strategies, pagination systems, and deployment-ready application structures. Focused on building reliable, maintainable, and scalable applications capable of handling real-world production environments and large concurrent user activity. Developed Milkdy, a smart dairy management platform designed to digitize dairy operations with automated ledger tracking, fat-based pricing systems, financial summaries, PDF reporting, and scalable Supabase backend architecture. Implemented optimized queries, summary table structures, and efficient backend workflows to improve scalability and reduce performance overhead. Developed Agrozemex, a geo-based agricultural marketplace platform featuring Mapbox integration, GPS polygon systems, intelligent search architecture, optimized Firestore queries, caching strategies, and scalable marketplace infrastructure. Built advanced geo-location workflows, interactive map systems, filtering mechanisms, and optimized rendering systems for better performance and usability. Technical expertise includes Flutter & Dart, Firebase Authentication, Cloud Firestore, Supabase, PostgreSQL, REST APIs, Mapbox, Provider/Riverpod, Clean Architecture, Real-Time Systems, Database Optimization, Performance Optimization, and Responsive UI/UX Design. Passionate about building scalable, modern, and production-ready mobile applications with strong engineering