Hello, I'm

Monsoon Khadka

Full Stack Developer

6+ years building mobile apps, web platforms, and backend systems. Specializing in React Native, Spring Boot, and scalable cloud architectures. Based in Gwangju, South Korea.

Monsoon Khadka

About Me

I'm a Full Stack Developer and IT professional based in Gwangju, South Korea, with over 6 years of hands-on experience spanning software development, hardware integration, and technical support.

My work ranges from architecting EV charging ecosystems and healthcare platforms to building AI-powered video generation pipelines and cross-platform mobile applications deployed on both the Play Store and App Store.

I'm a trilingual professional fluent in English (TOEIC 945/990), Korean (TOPIK Level 4), and Nepali, with strong experience collaborating across distributed teams and directly with end users.

6+ Years Experience
60+ Projects Delivered
3 Languages Spoken
4 Research Papers

Professional Experience

Full Stack Developer

SoulSoft — South Korea

Jul 2021 – Present
  • Led and coordinated a team of freelancers, ensuring strict code quality standards and project timelines.
  • Architected scalable web applications using Java Spring + MyBatis backend, PostgreSQL databases, and React front-ends.
  • Managed end-to-end Docker deployment pipelines, publishing native and cross-platform apps to Google Play and Apple App Store.
  • Engineered robust RESTful APIs for seamless data sync between web and mobile platforms.

Senior Android Developer

Chowis — South Korea

Feb 2021 – Jul 2021
  • Spearheaded migration of legacy codebases to Modern Android Architecture, reducing technical debt.
  • Engineered software interfaces for external diagnostic hardware, optimizing communication protocols.
  • Developed scalable features in Kotlin and Java while managing QA for external freelance developers.

Junior Software Developer

OneChargeSolution — Hong Kong

Mar 2020 – Jan 2021
  • Designed and implemented software for public-facing Kiosk Systems, optimizing touch responsiveness and reliability.
  • Managed the full software development lifecycle from design and coding to testing and deployment.
  • Built scalable mobile solutions integrating React Native modules within native Kotlin environments.

Researcher & Developer

Mokpo National University — South Korea

Jul 2017 – Oct 2019
  • Conducted research under Professor Gi-Chul Yang on brain-wave analysis, AI, and security applications.
  • Published 4 research papers including deep learning based object detection and EEG drowsiness detection.

Featured Projects

EV Charging Ecosystem

OneCharge / Mercedes-Benz / SdCharging

Suite of whitelabel EV charging applications for multiple clients. Real-time charging session management with OCPP/OCPI protocol support, multi-gateway payments (Stripe, AsiaPay, Octopus), and geospatial station discovery.

React Native Rails PostgreSQL/PostGIS WebSocket Docker
🩹

Healthcare Suite (Zaeda)

SoulSoft

Comprehensive health monitoring platform with patient data management, activity tracking, BLE health device integration, and encrypted secure communication. Includes companion trainer platform for fitness coaching.

React Native Spring Boot PostgreSQL BLE Firebase
🎬

AI Video Generation Pipeline

Personal Project

End-to-end automated video creation: script generation via Gemini/OpenAI, multi-provider video rendering (Runway, Pika, Stability AI), FFmpeg post-production with subtitles and music, and automated YouTube upload.

Node.js TypeScript Gemini FFmpeg Cloud Run
❤️

Blood Pressure Monitor

SoulSoft

Real-time blood pressure tracking app with BLE device communication, data visualization charts, and health trend analysis. Companion device control app for BP measurement hardware.

React Native BLE Chart Kit Redux
💤

Sleep Tracking (GoodnightBed)

Client Project

Sleep monitoring application with Bluetooth Classic device communication, audio recording/playback for sleep analysis, and D3.js-powered data visualization dashboards.

React Native Bluetooth D3.js Audio APIs
💻

Multi-Tenant CMS Platform

Multiple Clients

Built and maintained 5+ CMS variants (SD, SDMO, OC, KLM) for different regional deployments. Redux state management, component generation system, and production-optimized Webpack builds.

React Redux Webpack SCSS
TopikQuest

TopikQuest

Personal Project

Korean language learning app with vocabulary assessment, audio recording for pronunciation practice, and Firebase-backed question databases. Includes admin dashboard for content management.

React Native Firebase NativeWind Google Ads
🎨

AI Image Studio

Personal Project

macOS desktop app for AI image generation and remixing using DALL-E API. Features real-time gallery sync via Firebase, MVVM architecture, and batch product image processing pipeline.

SwiftUI OpenAI Firebase Python
🛒

E-Commerce Ecosystem

Multiple Clients

Multi-part e-commerce platforms including mobile app, admin dashboard, shopping site, and SMS service. Real-time product sync, order management, and payment integration.

Next.js React Native Firebase Framer Motion
🏠

PerfectHolmes

Client Project

Property and apartment management backend API with geospatial queries (Haversine formula), modular architecture for apartments, facilities, and users, and OpenAPI documentation.

Django DRF PostgreSQL AWS S3
🧠

SleepJammer & Dermopico

Mokpo National University

SleepJammer: Brain-wave analysis app using neuro-sensors to detect drowsiness. Dermopico: OpenCV-based dermatological skin scanning with image analysis. Published research papers.

Android OpenCV EEG Sensors Deep Learning
📷

Real-Time Object Detection

SoulSoft Research

React Native library for real-time camera-based object detection using TensorFlow Lite. Native C++/Kotlin/Swift modules for high-performance inference on mobile devices.

React Native TensorFlow Lite C++ Kotlin

Published Apps

Apps I've built and published to production on Google Play and the Apple App Store.

Zaeda

Zaeda (재다)

Soulsoft Inc.

AI health coach with meal analysis, blood sugar/pressure/weight management, and personalized health insights.

Zaeda Coaching

Zaeda Coaching

Soulsoft Inc.

Health coaching platform for fitness professionals. Trainer-client matching, schedule management, and real-time chat.

Topik Quest

Topik Quest

Soulsoft Inc.

Gamified Korean vocabulary learning app for TOPIK exam preparation. Defeat Vocabulary Monsters across 54 levels.

Panahom

Panahom

Soulsoft Inc.

Home services and property management platform.

Panah Work

Panah Work

Soulsoft Inc.

Work management and job matching platform.

OneCharge

OneCharge

Soulsoft Inc.

EV charging station finder and management app for electric vehicle owners.

🚶

통일만보 (Peace Walker)

SOULSOFT Co., Ltd

Pedometer and walking activity tracker promoting health and unification awareness.

🔬

DermoPico Hair

Chowis

Hair and scalp analysis app powered by dermoscopy imaging technology.

🧢

DermoPico Skin

Chowis

Skin analysis and diagnostics app powered by dermoscopy imaging technology.

Technical Skills

Languages

Java Kotlin JavaScript (ES6+) TypeScript Python SQL Swift C++ Dart

Mobile Development

React Native Android Native iOS Flutter Cross-Platform Architecture BLE / Bluetooth App Store Deployment

Backend & Web

Spring Boot Spring MVC MyBatis Ruby on Rails Django Node.js / Express Next.js React.js REST APIs WebSocket

Databases

PostgreSQL PostGIS MySQL Firebase / Firestore TimescaleDB Redis

AI / ML

Google Gemini OpenAI / DALL-E TensorFlow Lite OpenCV Deep Learning FFmpeg

DevOps & Cloud

Docker AWS (S3, EC2, ECS, SNS, SQS) Google Cloud Run Git / GitHub / GitLab CI/CD Nx Monorepo Agile / Scrum

Education & Publications

Bachelor's in Computer Science

Mokpo National University, South Korea

Class of 2017

Certifications

  • HackerRank: Java (Basic), JavaScript (Intermediate), Python (Basic)
  • Triplebyte: Engineering Certificate
  • TOEIC: 945 / 990
  • TOPIK: Level 4 (Korean Proficiency)

Research Publications

  • Implementation of an Authentication System GTPass
  • Deep Learning Based Ball Detection Module for Intelligent Robot System
  • Development of Deep Learning-Based Ball Recognition Module for Intelligent Humanoid Robot
  • EEG Sensor-Based Drowsiness Detection Application

Get In Touch

I'm currently open to new opportunities. Whether you have a question or just want to say hello, feel free to reach out.