Jason Chen

  • 🖥Frontend
  • UI Frameworks
  • State Management
  • Component Libraries
  • Styling
  • Build & Rendering
  • ⚙️Backend
  • Frameworks
  • Auth
  • API
  • Queue & Jobs
  • ☁️Cloud
  • Firebase
  • Azure
  • Google Cloud
  • Self-Hosted / CDN
  • 🗄Database
  • Relational
  • NoSQL
  • ORM
  • Vector
  • 🚀DevOps
  • Container
  • Web Server
  • CI / CD
  • Observability
  • 🤖AI / LLM
  • Frameworks
  • Models
  • Vector Store
  • Tools
  • 📱Mobile
  • Android
  • iOS
  • Connectivity
  • 💻Languages
  • 🔧Tools
  • Testing
  • Automation
  • Dev Tools
  • 📦Other
  • Miscellaneous

Skills & Expertise

10 domains · click any skill to explore

🖥 Frontend

59 projects

Extensive experience building enterprise React and Next.js single-page applications, integrating Redux/Redux-Saga data flows, CASL role-based access control, and multi-library UI systems (Ant Design, MUI, Joy UI) across dozens of internal enterprise platforms.

UI Frameworks
React
Next.js
Vue 3
Nuxt 3
State Management
Redux
Redux-Saga
redux-saga
Pinia
Zustand
Component Libraries
Ant Design
MUI
MUI Joy
Joy UI
Tailwind CSS
Bootstrap
Vuetify
Quasar
Ant Design Vue
Styling
SCSS
CSS
SASS
SCSS Modules
Emotion
Build & Rendering
Vite
SSR
PWA
Static Export

⚙️ Backend

90 projects

Deep expertise in NestJS and Laravel REST/GraphQL API design, dual-auth patterns (JWT + API Key), WebSocket real-time features, and background job processing with BullMQ across a large portfolio of production backend services.

Frameworks
NestJS
ASP.NET Core
Laravel
Django
Express
Node.js
Spring Boot
Spring MVC
Auth
JWT
NextAuth
OAuth2
OAuth
CAS SSO
CAS
OIDC
Azure AD
LINE Login
Auth.js
LDAP
API
REST API
GraphQL
OpenAPI
Swagger
WebSocket
Socket.IO
Socket.io
Queue & Jobs
BullMQ
Quartz.NET
node-cron

☁️ Cloud

40 projects

Practical experience integrating Azure AD SSO, Firebase services, and serverless Azure Functions into enterprise and consumer-facing applications.

Firebase
Firebase
Firebase Admin
Firestore
Firebase FCM
Firebase Hosting
Azure
Azure AD
Azure OpenAI
Azure Functions
Google Cloud
Google Cloud Storage
Google Maps
Google Sign-In
Gmail API
Google Maps Geocoding API
Self-Hosted / CDN
Serverless
Self-Hosted

🗄 Database

64 projects

Broad experience across relational (PostgreSQL, MySQL, Oracle, SQL Server) and NoSQL (MongoDB, Redis) databases, including multi-schema Prisma architectures and vector search extensions.

Relational
PostgreSQL
MySQL
SQL Server
Oracle
Oracle DB
SQLite
MariaDB
NoSQL
MongoDB
Redis
Elasticsearch
ORM
Prisma
Entity Framework Core
Vector
pgvector
Weaviate
Vector Database

🚀 DevOps

78 projects

Strong background in Docker Swarm and Kubernetes deployment design, GitLab CI/CD pipelines, Nginx reverse proxy configuration, and infrastructure-as-code templating for multi-environment enterprise systems.

Container
Docker
Docker Compose
Docker Swarm
Kubernetes
k3s
Web Server
Nginx
Apache
CI / CD
Jenkins
GitLab CI
GitLab CI/CD
GitHub Actions
CI/CD
Observability
PM2
Prometheus
Sentry
EFK Stack
EFK

🤖 AI / LLM

11 projects

Hands-on experience building LangGraph-based AI agent workflows, RAG pipelines with vector search (Weaviate, pgvector), and Azure OpenAI / Anthropic Claude integrations for enterprise internal tools and automation.

Frameworks
LangChain
LangGraph
AI SDK
Models
OpenAI
Azure OpenAI
Vector Store
Weaviate
pgvector
Tools
MCP
LangFuse

📱 Mobile

26 projects

Cross-platform mobile development experience spanning native iOS (Swift/UIKit), Android (Java/Kotlin), and React Native/Expo apps for healthcare, e-commerce, and consumer products.

Android
Android
Kotlin
React Native
Gradle
iOS
iOS
Swift
Objective-C
Flutter
Connectivity
BLE
MQTT
Push Notification

💻 Languages

79 projects
TypeScript
JavaScript
C#
PHP
Java
Python
Ruby
Dart

🔧 Tools

31 projects

Built numerous internal automation tools and CLI scripts for CI/CD pipelines, browser automation, and developer productivity workflows.

Testing
Playwright
Jest
PHPUnit
Automation
n8n
Automation
Fastlane
node-cron
Dev Tools
CLI
Chrome Extension
SonarQube

📦 Other

2 projects

Miscellaneous supporting technologies used across various projects.

Miscellaneous
Thymeleaf
RWD