Mohammad Zaenal Arif S.

Senior Fullstack Web & Mobile Developer

Driving digital transformation for enterprise operations, HRIS, and retail sectors. I bridge the gap between scalable cloud infrastructure, complex business logic, and seamless user experiences.

Professional headshot of Mohammad Zaenal Arif S.

Tech Expertise Meets Enterprise Impact

I am a result-oriented IT Professional with over 4 years of experience architecting scalable web and mobile applications. From building complex HRIS platforms that streamline internal operations, to developing high-availability e-commerce ecosystems, my focus is always on delivering secure, scalable, and high-impact digital solutions.

My background in national payment systems (PBK SP Level 4) serves as a foundation for handling sensitive data with the highest standards of compliance and security in every enterprise project I undertake.

Key Highlights

  • Over 4 years of experience architecting scalable web & mobile applications
  • Expertise in complex HRIS platforms and internal operation streamlining
  • Proven track record in building high-availability e-commerce ecosystems
  • Certified National Payment Systems specialist (PBK SP Level 4)
  • Strong focus on secure, scalable, and high-impact digital solutions

Featured Case Studies

High-impact projects demonstrating technical excellence in solving complex enterprise challenges.

HRMIS platform interface
Enterprise

Full Stack Developer @ PT Bimasakti Multi Sinergi

Enterprise HRIS & Performance Management

The Challenge

Manual and inefficient internal evaluation processes hindered HR operations for a large-scale workforce.

The Solution

Led the full development lifecycle of a digital employee performance assessment platform using Laravel 8 and CodeIgniter 4.

Enterprise Impact:

Successfully digitized HR operations for thousands of employees, ensuring 100% data integrity and operational reliability.

Confidential / NDA Protected
E-Commerce and Payment Gateway platform dashboard
Enterprise

Full Stack Developer @ PT Bimasakti Multi Sinergi

Scalable E-Commerce & B2B Ecosystem

The Challenge

The business required a rapid go-to-market strategy for new product campaigns and a seamless B2B transaction flow.

The Solution

Engineered an end-to-end e-commerce platform and architected a custom landing page builder. Built a secure B2B partnership website from scratch.

Enterprise Impact:

Empowered non-technical divisions to independently launch campaigns, significantly accelerating time-to-market, while ensuring secure payment integrations.

Visit Landing Page

Core dashboard & payment flows are secured behind user authentication

Cloud infrastructure monitoring dashboard
Infrastructure

Cloud Architect & Fullstack Lead (Freelance)

High-Availability Event Infrastructure

The Challenge

National-level events faced critical system downtimes and transaction bottlenecks during peak user traffic.

The Solution

Managed cloud infrastructure and optimized NGINX server performance. Conducted rigorous load testing utilizing k6.io.

Enterprise Impact:

Achieved high system resilience, handling hundreds of concurrent users with zero downtime, ensuring data integrity for complex integrations.

Confidential / NDA Protected
Incremento PWA mobile interface
Entrepreneurial

Creator & Fullstack Lead

Incremento (Mobile/PWA Showcase)

The Challenge

Translated conceptual ideas into fully deployed, user-centric digital products demonstrating product lifecycle management.

The Solution

Built a mobile-first frontend (Vue.js) and complex backend algorithms (Laravel) for a gamified Progressive Web App (PWA).

Enterprise Impact:

Successfully managed entire product lifecycle, proving capability to build and deploy complex conceptual products solo.

Certified & Ready for Enterprise

Beyond coding, I understand the regulatory landscape of digital transactions. My background in national payment systems ensures that every solution I build is compliant, secure, and operationally sound.

PBK SP Level 4 (National Payment Systems)

LPK AWI | Credential ID: SP-01-04-23122025-LPKAWI-00001071

Certified as "KOMPETEN" in understanding compliance, standardizations, and the operational framework of payment systems in Indonesia.

Tech Stack Mastery

Laravel
Vue.js
CodeIgniter
PostgreSQL
NGINX
k6.io
Git Architecture