Build, Fix, and Grow Your Website

Harun Studio is a remote web development studio based in Indonesia. We help businesses choose the right foundation, build pages people can find, and keep the system useful after launch.

Selected client work

80+ More

Choose the Path That Fits Your Business

Not every project starts with a blank page. Some need to be built, some need to be fixed, and some need ongoing care to support daily operations.

Years experience
10+
Projects
100+
Clients
100+
Google Review
5/5

Testimonials

“Working with Harun Studio on our website development was a very satisfying experience. Like a competent and dependable coworker, great to discuss with, and with a good and professional work ethic. Thank you Harun Studio, highly recommended for friends who want to build a website.”
Maikel Imanuel Founder, MaistroAudio.com
Willya Randika, Founder of Harun Studio

Who Does the Work?

Willya Randika, Founder of Harun Studio

I'm Randika. My main focus is helping businesses build, fix, and improve websites that do not just look polished, but also feel convincing, load quickly, and stay manageable over time. That is also why I do not disappear once the website is live.

WordPress Next.js Astro Sanity Supabase MySQL PostgreSQL Node.js React Native Redis PHP
More about me

Delivering real results for clients since 2021

See how we have helped businesses like yours achieve better outcomes over the last five years.

Next.js - Building NeatInvoice

Next.js - Building NeatInvoice

An invoicing workspace shaped around product positioning, a focused workflow, and a foundation that can grow into a digital product.

Editor + Overview
2 screens
Invoice link
Live tracking
Auth + database
Supabase
Next.js
App Router
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Astro - ICV Training + Sanity for 4,905 Documents

Astro - ICV Training + Sanity for 4,905 Documents

Building a training website with Astro 6, Sanity CMS, and Cloudflare Workers to manage 441 training topics, 4,430 scheduled batches, and 4,905 documents.

Mobile PageSpeed
93
Desktop PageSpeed
100
Documents
4,905
Training Topics
441
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Next.js - Migrating Penasihat Hosting to Next.js 16

Next.js - Migrating Penasihat Hosting to Next.js 16

Moving a still-solid WordPress setup to Next.js 16 + PostgreSQL for a custom CMS, tool pages, and a long-term product foundation.

Mobile PageSpeed
95
Desktop PageSpeed
100
Core Web Vitals
Passed
Migration
WP → Next.js 16
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WooCommerce - Shopify-Style Checkout for RWB Auto Shop

WooCommerce - Shopify-Style Checkout for RWB Auto Shop

A WooCommerce checkout redesign on Fluid Checkout Lite plus custom PHP, JS, and CSS for a cleaner, conversion-focused flow.

Checkout Flow
Shopify-style
Foundation
Fluid Checkout Lite
Custom
PHP + JS + CSS
Fulfillment
Pickup / Shipping
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WordPress - Rebuilding HydrantSystem.co.id From Scratch

WordPress - Rebuilding HydrantSystem.co.id From Scratch

The old site was lost beyond recovery. A full rebuild with a modern WordPress stack that stays light and easy to manage.

Desktop Performance
100
Accessibility
98
Best Practices
100
SEO
92
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WordPress - Muslimadani Online Store Redesign

WordPress - Muslimadani Online Store Redesign

A full transformation of the online store with a focus on sales conversion, faster speed, and a better user experience.

Fixed
7+ UX Issues
Technology
Elementor -> Blocks
Hosting
Shared -> VPS
Custom Code
1000+ Lines
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