Deepak Kumar
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

A

AI Mobile App Development

p

playstore

a

app store

a

amazon web service

Experience

Product Engineer (Mobile & AI Applications)

Self Employed

May, 2025 β€” Present-2026
  • πŸš€ Building and scaling digital products including AI-powered SaaS and full-stack e-commerce platforms.
  • πŸ€– Developed AiGifts.in, an AI-powered SaaS platform using LLM APIs and Node.js backend, successfully launched on the Play Store.
  • πŸ›οΈ Built CakeFairy & Nazraana, full-stack e-commerce applications with admin panels, Node.js + SQL backend, and secure payment integrations.
  • πŸ—οΈ Designed and developed end-to-end systems including UI/UX, backend APIs, database architecture, payment gateways, and cloud deployment.
  • πŸ“Š Integrated Firebase Analytics and AdMob monetization to enable data-driven product growth and user engagement optimization.

Software Engineer (Flutter)

Uleeco Technologies Private Limited

2022 β€” 2025
  • πŸš€ 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.
  • πŸ”Œ Integrated native Android/iOS SDKs using Flutter Method Channels for hardware communication and third-party service integrations.
  • πŸ“± Delivered 5+ production-grade mobile applications on Play Store and App Store with 99.9% uptime and stable release cycles.
  • πŸ› οΈ 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 β€” oct,2022
  • πŸŽ“ Completed Java Full Stack training at JSPIDERS, Bangalore.
  • β˜• Built Java applications to strengthen Object-Oriented Programming (OOP) concepts and backend development fundamentals.
  • πŸ“± Developed Flutter applications to gain hands-on experience in UI development, clean architecture, and state management using BLoC and Riverpod.

Projects

πŸ€– AI Recommendation App β€” AiGifts.in

πŸ€– AI Recommendation App β€” AiGifts.in

FlutterNode.jsLLM APIsPlay Store
  • πŸ’‘ 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.
  • βš™οΈ Designed scalable backend architecture and automated monetization workflows for handling growing user traffic efficiently.
  • πŸ“± Developed a responsive Flutter application with optimized API handling, smooth UI performance, and seamless user experience.

πŸ›οΈ E-Commerce Platforms β€” CakeFairy & Nazraana

FlutterNode.jsSQLVerpex
  • πŸ’‘ Solved the challenge of managing online orders, inventory, and payments by building complete end-to-end e-commerce solutions.
  • πŸ›’ Developed full-stack e-commerce applications with admin dashboards, secure payment gateway integration, and order management systems.
  • πŸ—„οΈ Built scalable REST APIs and SQL database architecture for efficient handling of products, users, orders, and inventory.
  • πŸš€ Deployed and managed production-ready backend infrastructure on Verpex servers with optimized performance and reliability
New Pro⚑ Real-Time IoT Platform β€” SALUS & Universal IoT

New Pro⚑ Real-Time IoT Platform β€” SALUS & Universal IoT

FlutterAWS IoTMQTTject
  • πŸ’‘ Solved real-time device communication and synchronization challenges for IoT-based smart devices and EV charging systems.
  • πŸ”— Built scalable MQTT-based communication systems using AWS IoT for stable and low-latency device connectivity.
  • πŸ“‘ Implemented live synchronization between devices and mobile applications for real-time monitoring and control.
  • πŸš€ Optimized application performance using Dart isolates and background processing to ensure smooth UI even during heavy real-time data streaming.

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