Summary

Full Stack Developer with 6+ years of experience building web and mobile applications using React, Next.js, React Native, Node.js, and NestJS. Experienced in end-to-end software development, from requirement analysis and system design to database architecture, backend development, frontend development, and deployment. Hands-on experience designing systems from scratch and translating business requirements into scalable technical solutions across marketplace, manufacturing, energy monitoring, and utility monitoring domains.

Experience

May 2021 — Present

Full Stack Developer

Zimple Media Co., Ltd.

  • Optimized frontend performance and improved page load speed through efficient state management and API integration.
  • Collaborated with cross-functional teams to deliver scalable and maintainable applications.

Renthub Web Platform

Zimple Media

  • Built a rental marketplace platform allowing users to discover accommodations with advanced filters such as price range, location zones, and custom conditions.
  • Implemented marketplace backend services with Node.js and Fastify, exposed through a GraphQL API.
  • Integrated frontend with GraphQL APIs for efficient data fetching.
  • Implemented responsive user interfaces for seamless cross-device experience.
  • Next.js
  • Node.js
  • Fastify
  • GraphQL

Renthub Mobile Application

Zimple Media

  • Built a cross-platform mobile application using React Native.
  • Implemented real-time chat between users and property managers.
  • Delivered consistent functionality with the web platform.
  • React Native
  • GraphQL

Renthub Dashboard

Zimple Media · admin and owner panel

  • Built a web-based dashboard for property owners to create and edit rental listings and track listing performance.
  • Implemented user interfaces to support content management workflows.
  • Next.js
  • GraphQL

RentOS

Zimple Media · in development

  • Currently developing a system for managing dormitories.
  • Integrated LINE LIFF for residents to view room expenses.
  • Integrated LINE LIFF for dormitory owners to record water and electricity meter readings and manage buildings.
  • Built a Next.js management panel for rooms and billing, supporting prorated monthly rent and daily rental pricing.
  • Next.js
  • LINE LIFF

Jan 2020 — Apr 2021

Full Stack Developer

Super Products Co., Ltd

  • Developed web applications using Nuxt.js and Node.js.
  • Built responsive UI and backend services for internal business systems.
  • Improved code maintainability by applying clean architecture and modular design principles.

Freelance Projects

Water Distribution Performance Monitoring

Universal Utilities · freelance software developer

Oct 2025 — Feb 2026

  • Analyzed performance limitations of the existing Node-RED, MySQL, and Tableau-based reporting system.
  • Redesigned the data and reporting architecture to address performance limitations and support time-series sensor data.
  • Defined the InfluxDB data model, storage structure, and query and processing workflows for analytics and reporting.
  • Built NestJS backend services and a web-based reporting system for monitoring and analyzing water distribution performance, replacing the previous Tableau-based workflow.
  • Consumed sensor time-series data stored in InfluxDB for analytics and reporting; the MQTT ingestion pipeline was implemented by another team.
  • NestJS
  • InfluxDB

FacOEE

Artron Innovative · freelance software developer / system designer

Jun 2024 — Apr 2025

  • Translated manufacturing requirements into system specifications and application workflows for a new system built from scratch.
  • Defined master data structures, database schemas, and ER diagrams connecting production lines, machines, and production plans.
  • Modeled shared machines across multiple production lines and production planning for individual lines.
  • Structured production output data in InfluxDB and retrieved and processed it for OEE (Overall Equipment Effectiveness) calculations.
  • Defined business logic for OEE analysis at production-plan, production-line, and overall levels, and built backend services using NestJS.
  • NestJS
  • InfluxDB

Energy Monitoring Systems

NSTDA · freelance backend developer

2023

  • Built two energy monitoring backend systems from scratch using Node.js and Express.
  • Gathered and analyzed client requirements, translating them into system and technical specifications.
  • Defined system flows, data models, database structures, and backend architecture.
  • Queried and processed time-series electricity consumption data from InfluxDB for building-level and overall energy analysis.
  • Node.js
  • Express
  • InfluxDB

Internships

Enter Co., Ltd.· 2019

(Curriculum-required internship)

  • Developed a human resource management web application with Laravel and Vue.js.

STelligence Co., Ltd.· 2018

(Voluntary internship)

  • Set up servers and a Galera Cluster on Linux CentOS 7, and developed Tableau dashboards.

NECTEC· 2017

(Voluntary internship)

  • Developed Android applications with Android Studio, and worked with SQL.

Contact

phuwarin.k@outlook.com
065-536-1941

186/154, Soi 9, Centro Phahol–Vibhavadi 3 Khlong Nueng, Khlong Luang, Pathum Thani 12120, Thailand