Kasidit Wansudon

Full-Stack Developer | Project Manager | System Architect

Mexico City, MXkasidit.wans@gmail.com+66 63-790-2362GitHubLinkedInWebsite

Full-Stack Developer and Project Manager with 4+ years of experience building enterprise systems including WMS, HR platforms, POS, and approval workflows. Leading a cross-functional team of 5 at OPPO Mexico. Expert in Laravel, Vue.js, Go, and Flutter with strong cloud infrastructure skills (AWS, Docker, Kubernetes). Passionate about system architecture, AI integration, and scalable software.

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Skills

Backend

Laravel★★★★
Node.js★★★★
Go★★★
PHP★★★
Python★★★
Firebase★★★
REST API★★★
Zend Framework★★★
NestJS★★
gRPC★★
MQTT★★
Socket.io★★
DingTalk API★★
LINE API★★
C# .NET Core★

Frontend

Vue.js★★★★
JavaScript / TypeScript★★★
Next.js★★

Mobile

Flutter★★★★

Database

MySQL★★★
MongoDB★★
Redis★★

DevOps

Docker★★★
Git★★★
Kubernetes★★
AWS★★
CI/CD★★
Terraform★★

Design

Figma★★

Work Experience

Full-Stack Programmer & Project Manager

Apr 2024 - Present · 2 years 1 month

Pos Sefi Group Co., Ltd. (OPPO) / OWAY IT · Mexico City, MX

Vue.jsLaravelZendFlutterMySQLDingTalk APIDockerPM2Nginx
  • •Lead a cross-functional team of 5 (2 devs, 1 QA, 1 helpdesk, 1 infra) supporting enterprise systems
  • •Developed and maintained Sellin, Sellout, HR, and AppHR systems serving hundreds of daily users
  • •Built complex multi-level approval workflows with Vue.js and conditional routing logic
  • •Integrated DingTalk API for webhook-triggered middleware and automated notifications
  • •Migrated legacy Zend Framework 1.12 to Laravel 8+, improving maintainability and test coverage
  • •Designed and optimized MySQL schemas for warehouse operations; reduced key query latency by 40%+

Flutter Programmer

Jun 2023 - Apr 2024 · 10 months

Rainbow Solution · Thailand

FlutterMQTTGoogle Maps APIJavaScriptFirebase
  • •Built cross-platform POS systems running on Linux, Windows, Web, and macOS with Flutter
  • •Implemented real-time data sync via MQTT, eliminating unnecessary API calls for faster UX
  • •Developed restaurant features: time tracking, payments, tax management, menu setup, and reporting
  • •Integrated Google Maps for delivery zone management and route optimization

Full-Stack Developer

Jan 2022 - May 2023 · 1 year 4 months

Freelance · Remote / ThailandRemote

Node.jsVue.jsLaravelFirebaseLine APIPHPPythonFlutterDocker
  • •LINE ChatBot (Sisaket Municipality) — AI-filtered issue reporting with dashboard and approval (Node.js, Vue.js, Laravel, Firebase)
  • •Ksher Payment Gateway (Hospital) — Payment API with RSA encryption and callback verification (PHP)
  • •PDF Checker Module — PDF/CSV validation with grammar checking and Docker deployment (Flutter, PHP)
  • •Geo Location App — Social app with chat, image compression 4x, and live map (Python, Flutter)

Education

Sisaket Rajabhat University

Jan 2020 - Jan 2023

Bachelor of Engineering in Software Engineering

GPA: 3.74

Languages

Thai(Native)
English(Professional (Speak, Listen, Read, Write))

Featured Projects

microservices-ecommerce

Cloud-native e-commerce — saga pattern, event sourcing, distributed tracing

GogRPCKubernetes

ai-hr-analytics

AI-powered HR analytics — anomaly detection, turnover prediction, RAG chatbot

LaravelVue.jsPython ML

cloudhive

Multi-tenant SaaS platform with billing, auth, and admin stack

GoVue 3

flowforge

Distributed workflow orchestration engine with visual DAG editor

GoWebSocket

go-api-gateway

High-performance API gateway — rate limiting, JWT, circuit breaker, Prometheus

Go

schemaforge-erd

Interactive ERD builder for database design

JavaScript
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