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Hello, I'm

Muhamad Zainal Arifin

Software Engineer (Backend Specialist) & DevOps Engineer

Surakarta, Central Java, Indonesia
5+ Years Experience

I'm a dynamic software engineer with over 5 years of hands-on experience building robust, scalable, and high-performance web and mobile applications. I'm passionate about crafting elegant solutions across the full technology stack — from modern frontend interfaces to efficient backend systems and DevOps practices. I'm proficient in Laravel, CodeIgniter, Express.js, NestJS, Go Fiber, React.js, and Kotlin. I thrive in fast-paced environments as a fast learner and adaptable problem-solver, consistently delivering clean, maintainable code that drives real business impact.

Open to new opportunities

Looking for a software engineer?

I'm currently open to new opportunities and exciting collaborations. Let's connect and create impactful technology solutions together!

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Expertise

12 Skills

Tech Ledger

A concise index of the technologies I use most.

Laravel→CodeIgniter→Express.js→
NestJS→Go Fiber→React.js→
Kotlin→Flutter→Go→
DevOps→CI/CD→MySQL→

Backend Development

Designing scalable APIs and services with Laravel, CodeIgniter, NestJS, Express.js, and Go Fiber — with clean, maintainable, and efficient database architectures.

Mobile Development

Building cross-platform and native mobile applications with Flutter and Kotlin, from POS systems to customer-facing apps.

DevOps & Infrastructure

Automating deployments, setting up CI/CD pipelines, and managing infrastructure to deliver reliable, scalable systems.