Muhammad
Hafid K
Software Engineer

I build reliable software, scalable backend systems, and high-performance architectures. Here I share my engineering experience and technical blog posts.

Recent Technical Writing

All articles (4) →

Selected Portfolio

Full portfolio →

Arabisa

2026

Offline-first Arabic learning web and mobile application based on the Madinah Arabic Reader curriculum (Durūs al-Lughah al-ʿArabiyyah), featuring structured lessons, a Leitner spaced-repetition flashcard system, randomized quizzes, and a comprehensive vocabulary search dictionary.

Benchmark / Outcome: Engineered a 100% offline-first architecture with zero external network dependencies and local storage persistence. Optimized dual-theme Arabic typography (Warm Paper & Dark Ink) for vowelled harakat legibility, packaged for both Web PWA and Android (Capacitor).

SvelteKitSvelte 5TypeScriptTailwind CSS v4CapacitorPWA

Catatan Kecilku

2026

Personal digital publication and archive platform built for collecting, indexing, and sharing daily Islamic prayers, supplications (Doa & Dzikir), and Islamic notes with ambient lighting aesthetics and offline reading capability.

Benchmark / Outcome: Delivered static pre-rendered SSG with sub-second page loads, offline PWA support, ambient theme rendering, and automated sitemap generation hosted on Netlify Edge.

SvelteKitSvelte 5TypeScriptTailwind CSS v4PWANetlify

Experiences

2020 - Present

Backend Engineer · Qontak

  • Optimized code performance, resulting in a 50% speed increase, by addressing N+1 queries, refining query execution, and strategically employing caching.
  • Drove technical feature implementations, managing the development process from RFC conception to final deployment, collaborating closely with FE, QA, Design, and Product teams.
  • Increased test coverage using RSpec, ensuring high code quality and reducing production bugs.
  • Leveraged AI-assisted development workflows to accelerate feature delivery, automate code reviews and test generation, and maintain high engineering standards.
2016 - 2020

Computer Engineering · Brawijaya University

  • Achieved academic distinction with a cumulative GPA of 3.86, reflecting consistent high performance and dedication.
  • Fueled my passion for technology by joining the Robotics Club, gaining hands-on experience in robotics, programming, and real-world problem solving, with a focus on robotic vision systems, including image detection and recognition.
  • Engaged in numerous robotics competitions, securing awards in several, forging meaningful connections, and enriching my technical and collaborative skills through real-world challenges.
Loading index...
↑↓ navigate↵ openesc dismiss