👋

Hello, I'm Ganaa. I'm a passionate Software developer with 5+ years of experience crafting innovative digital solutions. I specialize in modern web and mobile technologies and love turning complex problems into elegant code.

About me

I’m a passionate Software Developer with over 5 years of experience building high-performance mobile and web applications. I specialize in creating seamless user experiences using Flutter, Kotlin, React, and Nuxt.js, and developing robust backend systems with Node.js and PostgreSQL. I love solving complex problems, optimizing performance, and delivering clean, maintainable code. As an active competitive programmer, I’ve solved 1,400+ LeetCode problems and rank in the Top 2.22% globally with a Knight badge, showcasing strong expertise in algorithms, data structures, and dynamic programming. I’m passionate about turning challenges into scalable, real-world solutions that create impact.

My projects

Leetcode

Active algorithm enthusiast with over 1,400 LeetCode problems solved and achieved a top 5% global ranking in contests.

Graph
Dynamic Programming
Greedy

Удам

Developed a native Android language-learning application using Kotlin and Jetpack Compose. Features include spaced-repetition practice plans, audio pronunciation recording/playback, offline access with Room database, Firebase authentication and sync, and analytics to track user progress — resulting in a ~40% uplift in daily active users and stronger learner retention.

Kotlin
Android
Jetpack Compose
Firebase
SQLite

БАГШ Platform

Developed user-friendly customer portals with personalized dashboards for a Learning Management System (LMS) using Nuxt, Vue, and Flutter—boosting client satisfaction and retention by 35%, and strengthening long-term customer relationships.

Nuxt
Vue
Node
MongoDb
Postgres
Bootsrap

Accepted.mn

Built the frontend of a coding education platform for kids using Vue.js for web, featuring categorized lessons, real-time coding exercises, and an interactive problem-solving interface—resulting in a 30% increase in student engagement.

Html
JS
CSS
Vue
Tailwind
Redis
Postgres

Nsudalgaa.mn

Built the web admin panel using Vue.js and Nuxt.js to manage surveys, view reports, and monitor submissions in real time—boosting data reliability and increasing organizational revenue by 20%.

TypeScript
Nuxt
Tailwind
Graphql

Smart Teever

Engineered a mining logistics Android app using Kotlin (Jetpack Compose) with Google Maps/Places integration for real-time driver tracking, route optimization, geofenced alerts, and background location handling. Implemented bi-directional WebSocket updates for live vehicle telemetry, offline caching with Room, and WorkManager for reliable background sync — improving site coordination and delivery efficiency by over 30%.

Kotlin
Android
Jetpack Compose
Firebase
WebSocket
SQLite
WorkManager

Accepted

Built the frontend of a coding education platform for kids using Flutter for app, featuring categorized lessons, real-time coding exercises, and an interactive problem-solving interface—resulting in a 30% increase in student engagement

Flutter
Firebase
Graphql

Nsudalgaa Application

Built a scalable Android survey application using Kotlin with strong offline-first capabilities (Room + WorkManager), grouped question flows, audio capture, geolocation tagging, and secure sync to a GraphQL backend. The app supports conflict-free background uploads and resumable sync, significantly improving field data reliability and increasing survey throughput by ~20%.

Kotlin
Android
Firebase
GraphQL
Room
WorkManager

Sem Mongol

Designed and built a Flutter-based survey platform that captures user feedback and applies probability-based algorithms to estimate candidate preference—resulting in a 20% improvement in prediction accuracy.

Flutter
Graphql

My portfolio

This platform is about me. Here you can see my previous projects and works

React
Tailwind
Next.js

Travel List

A small React app demonstrating state management with useState. Users can add, remove and mark destinations visited. Great for practicing controlled inputs and list rendering.

React
useState
Hooks
TypeScript?

usePopcorn

A custom hook example using useEffect and data fetching to load movie data from an API. Demonstrates separation of concerns, loading/error states, and reusability.

React
Custom Hook
useEffect
Data Fetching
Axios/Fetch

Classy Weather

A weather app implemented with React class components. Good practice for lifecycle methods, stateful class components and working with external weather APIs.

React
Class Components
Lifecycle
API

Quiz App

A quiz application that uses useReducer for state management (questions, answers, score). Includes timer, question navigation, and result summary.

React
useReducer
State Management
Testing?

WorldWise

A map-and-info application demonstrating React Router, Context API, memo, useMemo, and useCallback for performance and global state. Ideal as a capstone for advanced React patterns.

React
React Router
Context API
memo
useMemo
useCallback

Fast-Pizza

A modern pizza ordering application built with **React**, featuring **React Router data loading**, **Redux Toolkit** for global state management, **Thunks** for asynchronous logic, and **Tailwind CSS** for sleek, responsive styling..

React
React Router
Redux Toolkit
Redux Thunk
Tailwind CSS

The Wild Oasis

The Wild Oasis is a full-featured hotel management dashboard application built with React and modern web technologies. It’s designed to simulate a real-world admin system where hotel staff can manage bookings, guests, cabins, and analytics efficiently through a clean, responsive interface.

React
React Query
Styled Components
React Hook Form
Supabase
Advanced Compound Component Pattern
Authentication
Charts
Dark Mode
Professional Application Planning and Development

Tour Explorer (Android)

Developed a modern Android travel app that lets users explore, bookmark, and view detailed sightseeing tours. Integrated with a Node.js backend for authentication, tour data, and AI-generated profile photos.

Android
Kotlin
Jetpack Compose
MVVM
Retrofit
WorkManager
Google Maps

The Tour

Full-stack tour booking application enabling users to explore, book, and review sightseeing tours. Built with a React frontend and Node.js/Express backend with MongoDB for persistence.

Express
Node
React
MongoDB

My skills

HTML
CSS
JavaScript
TypeScript
Docker
React
Next.js
Node.js
Kotlin
Android
Git
Tailwind
Redis
MongoDB
Redux
GraphQL
Socket
Express
PostgreSQL
Python
Django
Framer Motion
Flutter
Vue
Nuxt
Java
MYSQL
SQL
C++

Interactive Games

Explore my interactive games showcasing algorithm implementation, game logic, and user interface design. Each game demonstrates different programming concepts and problem-solving approaches.