Available for opportunities

Hi, I'm Jian He

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Crafting elegant digital experiences from concept to deployment — across web and mobile platforms.

About Me

I'm a passionate fullstack and mobile developer with a keen eye for design and a commitment to writing clean, maintainable code. I thrive on turning complex problems into simple, beautiful solutions that deliver real value.

Frontend

Building responsive, accessible UIs with React & Next.js

Backend

Scalable APIs and microservices with Node.js & cloud platforms

Mobile

Cross-platform mobile apps with React Native & native tools

Performance

Optimizing for speed, SEO, and exceptional user experience

Skills & Technologies

Technologies I work with to bring ideas to life

Frontend

ReactNext.jsTypeScriptJavaScriptTailwind CSSHTML5/CSS3ReduxVue.js

Backend

Node.jsExpressPythonREST APIsGraphQLPostgreSQLMongoDBRedis

Mobile

React NativeiOS (Swift)Android (Kotlin)ExpoFlutterApp Store Deployment

DevOps & Tools

GitDockerAWSAzureCI/CDVercelFirebaseFigma

Featured Projects

A selection of projects that showcase my skills and passion

E-Commerce Platform

A full-featured e-commerce platform built with Next.js and Shopify, featuring product management, cart, checkout, and payment integration.

Next.jsTypeScriptShopifyTailwind CSS

AI Creative Writer

A multi-agent AI solution that helps users write articles using collaborative AI agents for research, writing, and editing.

PythonAzure AIMulti-AgentReact

AI Agents Learning Platform

A comprehensive learning resource with 12 lessons covering the fundamentals of building AI agents from scratch.

AI/MLPythonLLMAgents

Mobile Banking App

A cross-platform mobile banking application with biometric authentication, real-time transactions, and push notifications.

React NativeNode.jsPostgreSQLRedis

Task Management Dashboard

A real-time collaborative task management tool with drag-and-drop, team assignments, and analytics dashboard.

ReactFirebaseTypeScriptD3.js

Developer Sandbox

A TypeScript sandbox environment for rapid prototyping and testing of new ideas and concepts.

TypeScriptNode.js

Experience

My professional journey in software development

2022 - Present

Senior Fullstack Developer

Tech Company

Leading development of web and mobile applications using React, Next.js, and React Native. Architecting scalable backend services and mentoring junior developers.

Led team of 5 developersReduced load times by 40%Implemented CI/CD pipelines
2019 - 2022

Fullstack Developer

Digital Agency

Built custom web applications and e-commerce solutions for diverse clients. Worked across the full stack with React, Node.js, and various databases.

Delivered 20+ client projectsBuilt real-time featuresMobile app development
2017 - 2019

Frontend Developer

Startup

Developed responsive user interfaces and interactive web experiences. Collaborated closely with designers and backend engineers.

React & Vue.js developmentPerformance optimizationAccessibility improvements
2015 - 2017

Junior Developer

Software House

Started career building web applications with JavaScript, learning best practices in agile development and version control.

JavaScript & jQueryPHP backend developmentDatabase design

Get in Touch

Have a project in mind or want to collaborate? I'd love to hear from you.

Let's work together

Whether you need a fullstack web application, a mobile app, or technical consulting, I'm here to help bring your vision to life.