Hi, I'm Mario Juliano Subagiyo

Frontend Developer & UI/UX Designer | Creating beautiful, functional digital experiences

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Professional developer

About Me

With over 5 years of experience in web development, I specialize in creating responsive, user-friendly websites and applications that deliver exceptional user experiences.

My approach combines technical expertise with design sensibility, ensuring that every project not only functions flawlessly but also looks stunning across all devices.

When I'm not coding, you can find me exploring new design trends, contributing to open-source projects, or hiking in the mountains to recharge my creative energy.

Developer working at a modern co-working space with laptop and coffee on wooden table

My Skills

HTML/CSS

Semantic & accessible markup with modern CSS

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JavaScript

ES6+, React, Vue, TypeScript

UI/UX Design

User-centered design principles

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Responsive Design

Mobile-first development

Performance

Optimization techniques

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APIs

REST, GraphQL integrations

Featured Projects

Dashboard interface showing analytics charts and graphs with blue accent colors
React Redux D3.js

Analytics Dashboard

A customizable dashboard for tracking business metrics with real-time data.

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E-commerce website showing product listings with clean white interface
Vue.js Node.js MongoDB

E-commerce Platform

Full-featured online store with product management, cart, and checkout system.

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Mobile app interface showing fitness tracking with colorful workout statistics
React Native Firebase HealthKit

Fitness Tracker

Mobile app for tracking workouts, nutrition, and health metrics with social features.

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Send Me a Message

Have a project in mind or just want to say hi? Send a message or connect below.