Muhammad Yusuf Arrofi
Specialized in building performant web applications, responsive frontend architectures, and Go/Node services. Creator of JapanApp and Aria2App. "Always eager to learn new things. If it ain't broke, don't fix it."
Engineered for Precision & Resilience
A balanced toolchain designed to build lightning-fast web client layers backed by highly concurrent distributed services.
Frontend
Reactive UI & WebBuilding fast, responsive interfaces and web apps with clean user experience and glassmorphism polish.
Languages
Core SyntaxesRobust backend scripting, type-safe development, systems programming, and high-concurrency architectures.
Backend & DB
APIs & PersistenceRESTful microservices, clean architecture, relational schemas, ORMs, and real-time state synchronizations.
Tools & OS
Workflow & SystemCustom Linux desktop development setups, automation scripts, Docker containerization, and modern Git workflows.
Featured Engineering Projects

JapanApp (japan-mee.vercel.app)
Interactive web application engineered for mastering Japanese Kanji, Hiragana, Katakana, and JLPT vocabulary. Features stroke order recognition, mnemonic memory quizzes, SRS scheduling, and clean responsive UI tailored for Japanese language learners worldwide.

Prameswari EO
Official web platform for Prameswari EO Kemuning, featuring interactive tour package catalogs (Outbound 1-6, 9 Jeep Safari Routes, River Tubing Kali Pucung), direct WhatsApp booking integration, responsive gallery, and modern tourism management UI.

Aria2App
A modern desktop GUI application designed for the high-speed aria2 multi-connection downloader, built with Python and PyQt6 for seamless queue and RPC socket management.

Periodik
Single-Page Application (SPA) providing comprehensive chemical element information, group classifications, electron configurations, and instant element search with vibrant neon UI.
Engineering Experience & Leadership
Full-Stack Developer & Open Sourcer
- Created and shipped JapanApp (japan-mee.vercel.app), an interactive web platform for Japanese language learners featuring stroke order animations and spaced repetition (SRS).
- Developed Aria2App, a modern cross-platform desktop GUI written in Python and PyQt6 for efficient management of multi-connection aria2 download queues via JSON-RPC.
- Engineered full-stack and SaaS applications such as Smart Compressor (FileKompres), RemoveBG, and GhostData with Next.js App Router and Tailwind CSS.
- Maintained custom Linux developer desktop workflow with CachyOS / Arch Linux, writing custom Bash automation scripts and lightweight web tools.
Backend Developer Intern
- Learned and applied backend engineering principles with Golang, implementing Clean Architecture and domain-driven design.
- Designed and optimized PostgreSQL relational database schemas, query indexing, and migration pipelines for production services.
- Created robust RESTful API endpoints with structured middleware authentication, logging, and comprehensive unit tests.
Web Development & Software Engineering Student
- Mastered fundamentals of full-stack web development: PHP (Laravel/CI3), MySQL, HTML5, CSS3, and JavaScript.
- Engineered Periodik, an interactive Chemistry Periodic Table Single-Page Application (SPA) with real-time property searching.
- Built mobile prototypes using Flutter & Dart, emphasizing database relational design, responsive layouts, and seamless UI/UX integration.
Active open-source contributor with 3,625 contributions in the last year across JapanApp, Aria2App, lightweight web tools, and reactive Next.js state utilities.
Engineering Tenets
Recommendations & Client Voices
Feedback from project leads, founders, and engineering colleagues who have collaborated with Yusuf.
"Yusuf is an exceptional developer who consistently delivers high-quality code. His ability to solve complex problems and communicate effectively made him an invaluable asset to our team during the Simaku project."
Let's Build Great Web & Software Products Together
Open to full-stack engineering roles, contract development, and high-impact open source collaboration. Reach out directly or connect through my networks.