AppMobile App Developer

DeepakKumar

Flutter Developer

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about.me

About

Flutter Engineer with 4+ years of experience building scalable, high-performance mobile applications for international markets. Specialized in Clean Architecture and real-time systems using AWS IoT and MQTT. Proven track record of improving app performance by 40%, reducing crash rates by 60%, and delivering production-grade apps used by 10,000+ users. Expert in BLoC, Riverpod, native integrations, and AI-powered mobile applications using LLM APIs.

Skills & Tools

Flutter

Dart

Firebase

Swift

Kotlin

Git

Android

jira

AI Mobile App Development

playstore

app store

amazon web service

Experience

Product Engineer (Mobile & AI Applications)

Self Employed

May, 2025 — Present-2026

🚀 Building and scaling digital products including AI-powered SaaS and full-stack e-commerce platforms.
🤖 Developed AiGifts.in, an AI-powered SaaS platform using LLM APIs and Node.js backend, successfully launched on the Play Store.
🛍️ Built CakeFairy & Nazraana, full-stack e-commerce applications with admin panels, Node.js + SQL backend, and secure payment integrations.
🏗️ Designed and developed end-to-end systems including UI/UX, backend APIs, database architecture, payment gateways, and cloud deployment.
📊 Integrated Firebase Analytics and AdMob monetization to enable data-driven product growth and user engagement optimization.

Software Engineer (Flutter)

Uleeco Technologies Private Limited

2022 — 2025

🚀 Built and scaled real-time mobile platforms serving 10,000+ users with 150+ live data streams using AWS IoT & MQTT.
⚡ Improved app performance by 40% and reduced crash rates by 60% through code optimization, memory management, and architectural refactoring.
🔌 Integrated native Android/iOS SDKs using Flutter Method Channels for hardware communication and third-party service integrations.
📱 Delivered 5+ production-grade mobile applications on Play Store and App Store with 99.9% uptime and stable release cycles.
🛠️ Resolved 300+ production issues, performed debugging and root-cause analysis, and conducted technical demos for international clients across the US and Hong Kong.

Independent Developer (Java & Flutter Learning Phase)

JSpiders ,Bengaluru

April, 2021 — oct,2022

🎓 Completed Java Full Stack training at JSPIDERS, Bangalore.
☕ Built Java applications to strengthen Object-Oriented Programming (OOP) concepts and backend development fundamentals.
📱 Developed Flutter applications to gain hands-on experience in UI development, clean architecture, and state management using BLoC and Riverpod.

Projects

🤖 AI Recommendation App — AiGifts.in

FlutterNode.jsLLM APIsPlay Store

💡 Solved the problem of users struggling to find personalized gift suggestions by building an AI-powered recommendation platform.
🧠 Integrated Google Gemini API to generate intelligent and context-aware product recommendations in real time.
⚙️ Designed scalable backend architecture and automated monetization workflows for handling growing user traffic efficiently.
📱 Developed a responsive Flutter application with optimized API handling, smooth UI performance, and seamless user experience.

🛍️ E-Commerce Platforms — CakeFairy & Nazraana

FlutterNode.jsSQLVerpex

💡 Solved the challenge of managing online orders, inventory, and payments by building complete end-to-end e-commerce solutions.
🛒 Developed full-stack e-commerce applications with admin dashboards, secure payment gateway integration, and order management systems.
🗄️ Built scalable REST APIs and SQL database architecture for efficient handling of products, users, orders, and inventory.
🚀 Deployed and managed production-ready backend infrastructure on Verpex servers with optimized performance and reliability

New Pro⚡ Real-Time IoT Platform — SALUS & Universal IoT

FlutterAWS IoTMQTTject

💡 Solved real-time device communication and synchronization challenges for IoT-based smart devices and EV charging systems.
🔗 Built scalable MQTT-based communication systems using AWS IoT for stable and low-latency device connectivity.
📡 Implemented live synchronization between devices and mobile applications for real-time monitoring and control.
🚀 Optimized application performance using Dart isolates and background processing to ensure smooth UI even during heavy real-time data streaming.

Connect

GitHub

Twitter

Website