Building modern web applications, automation tools & extensions.
Full-stack web developer specializing in fast interactive web applications, custom browser extensions, and Python data pipelines. Built for speed, reliability, and smooth async collaboration.
Focused Sprints & Fast Delivery
You bring the goal or problem, and leave the heavy lifting and technical thinking to me. Available for hourly contracts or focused milestone sprints.
Modern Web Apps & Interactive Dashboards
Fast, responsive web applications and interactive dashboards built with SvelteKit, React, or Next.js.
- Responsive mobile-first UI with dark/light themes
- Interactive charts, live filters & auth/payments
- High performance & zero-maintenance static deploy
Custom Chrome & Browser Extensions
Turn repetitive browsing, scraping, or web workflows into 1-click tools running natively in Manifest V3.
- Manifest V3 extension (Popup, Sidepanel, Background)
- Automated DOM scraping, autofill & data extraction
- Store-ready package + publishing guide
Python Data & Workflow Automation
Automate complex data gathering, spreadsheet wrangling (Excel/Sheets), OSM geocoding, and REST API syncs.
- Self-contained, battle-tested Python scripts
- Scheduled/instant automated pipelines
- Structured Excel / CSV / JSON reports
Selected Work
Production-ready web applications, Chrome extensions, and developer tooling.
Skui
A mobile-first SaaS exam simulator for SIMAK UI aspirants with dynamic time tracking and automated Midtrans payment checkout.
Blur Your WhatsApp
A lightweight browser extension that blurs WhatsApp Web chat previews and contact names for privacy when sharing your screen.
MiniTube PiP
A lightweight Picture-in-Picture companion allowing effortless video playback in a floating resizable window while working on code or documents.
Let's Collaborate
Need a custom web app, browser extension, or Python automation? Send your project brief directly.
Hire via Upwork
Hourly contracts or fixed milestones with escrow protection and async delivery.
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Arya Aji Kusuma
I build applications to solve real bottlenecks, not theoretical concepts. Every project starts with a clear observation: is there a tedious manual task or a process we can streamline? If yes, I engineer the solution for it.