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) →

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.
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