Gurpreet Singh

About Me

Senior Mobile Architect & Generative AI Specialist with 6+ years (2,190+ days) of experience engineering high-impact mobile solutions using Flutter (Dart) and Android (Kotlin/Java).

Expert in Clean Architecture and MVVM patterns with deep mastery of state management solutions — Bloc, Riverpod, and Provider — ensuring scalable, testable, and maintainable codebases.

Specialist in integrating Generative AI and Large Language Models (LLMs) to build intelligent, context-aware applications — from ChatBots and Voice Analysis to AI-generated PPTs and dynamic content systems.

Committed to performance optimization and delivering production-ready applications that create real user impact at scale.

Work Experience

Senior Flutter Developer

Aug 2024 - Present

Harav Technologies LLP

📍 Sahibzada Ajit Singh Nagar, Punjab

Spearheading the development of a suite of AI-driven mobile applications, integrating advanced Large Language Models (LLMs) and generative APIs.
Architecting complex features for dynamic content creation, including automatic presentation generation (PPT Maker) and website layouts.
Optimizing app performance for real-time AI interactions in ChatBots and Voice Note processing.

Android & Flutter Developer

Jun 2022 - Jun 2024

Spiderweb-Tech Pvt. Ltd.

📍 Remote

Developed and maintained mobile applications using Flutter and Android native technologies.
Integrated third-party libraries and APIs to enhance application functionality.
Collaborated with cross-functional teams to deliver scalable and robust solutions.

Android Application Developer

Dec 2018 - Feb 2021

bCoder Castle Pvt. Ltd.

📍 Sahibzada Ajit Singh Nagar, Punjab

Worked on the full lifecycle of Android application development including design, testing, and deployment.
Implemented Firebase features including Crashlytics, Realtime Database, and Push Notifications.
Managed social authentication integrations (Facebook, Google).

Skills & Services

From cross-platform Flutter to GenAI — a full-stack mobile engineering toolkit.

</> Tech Stack

Flutter 6+ yrs

Dart 6+ yrs

Kotlin 3+ yrs

Java 4+ yrs

Firebase Expert

Git Expert

🤖 Gen AI Specialist

🡲 Bloc Advanced

⚓ Riverpod Advanced

🏗 Clean Arch Expert

Flutter & Dart

95%

Android (Kotlin / Java)

82%

GenAI & LLM Integration

88%

State Management (Bloc / Riverpod / Provider)

92%

Firebase & Cloud Services

90%

Clean Architecture / MVVM

93%

⚡ What I Do

📱

Mobile Development

Building high-performance cross-platform mobile apps using Flutter & native Android — from architecture to App Store shipping.

FlutterAndroidiOS

🤖

GenAI Integration

Embedding LLMs, vision models and generative APIs into mobile apps — ChatBots, voice analysis, PPT generation and more.

LLMsOpenAIGemini

🏗

Scalable Architecture

Designing Clean Architecture and MVVM codebases with Bloc / Riverpod — testable, maintainable, and team-ready.

Clean ArchMVVMBloc

⚡

Performance Optimization

Profiling and tuning Flutter apps for 60/120fps rendering — reduced widget rebuilds, lazy loading and efficient memory usage.

DevTools60fpsProfiling

💬

Conversational AI

Building sophisticated chatbots with custom personas, multi-turn memory and context-aware responses for mobile-first users.

ChatBotPersonaRAG

🎨

UI/UX Engineering

Translating Figma designs into pixel-perfect animated Flutter UIs with custom painters, Lottie animations and haptic feedback.

FigmaAnimationsLottie

Published Flutter Apps

9 live apps across health, productivity, education & more — shipped and scaling.

⭐ Featured App

📐 Education

AI Photo Math Solver – Mathguru

Snap a photo of any math problem and get instant step-by-step AI explanations. Supports algebra, calculus, geometry and more. Built with Flutter for a blazing-fast cross-platform experience.

FlutterOCRAI MathLLM

View on App Store