Hi, I'm Hasanudin
Full-Stack Software Engineer
Building scalable web applications with modern technologies. Passionate about clean code, great user experiences, and turning complex problems into elegant solutions.
About Me
I'm a Full-Stack Software Engineer with over 5 years of experience building scalable web applications. Currently based in Malang, Indonesia, working remotely for companies in Singapore.
My expertise spans from backend systems with PHP/Laravel to modern frontend applications with React and TypeScript. I'm passionate about writing clean, maintainable code and building products that make a real impact.
I thrive in collaborative environments where I can contribute to architecture decisions, mentor team members, and continuously learn new technologies. When I'm not coding, I enjoy exploring new tech stacks and contributing to the developer community.
Work Experience
Software Engineer
AYP GroupBuilding and maintaining payroll and HR technology platforms serving clients across Southeast Asia.
- Developed and maintained scalable payroll systems processing transactions for multiple countries
- Implemented automated testing and CI/CD pipelines improving deployment reliability
- Collaborated in Agile teams conducting code reviews and mentoring junior developers
- Optimized database queries and API performance reducing response times significantly
Software Engineer
MekariContributed to Indonesia's leading SaaS platform for HR, accounting, and business operations.
- Built features for time attendance and employee management modules
- Developed RESTful APIs integrating with third-party services
- Participated in system architecture discussions and technical documentation
- Improved application performance through code optimization and refactoring
Software Engineer
HREasilyDeveloped and maintained multi-client HR and payroll SaaS platform serving businesses across Southeast Asia, similar to Mekari's model but supporting multiple client configurations.
- Built and maintained MY Payroll and ID Payroll modules handling country-specific salary calculations, tax rules, and statutory compliance
- Developed Leave Module with configurable leave policies, approval workflows, and balance tracking across multiple clients
- Implemented multi-tenant architecture supporting diverse payroll configurations for Malaysian and Indonesian markets
- Collaborated with cross-functional teams to deliver client-specific customizations and integrations
Skills & Technologies
Frontend
Backend
Database
DevOps & Cloud
Mobile
Featured Projects
Payroll Management System
A comprehensive multi-country payroll platform handling salary calculations, tax computations, and compliance for Southeast Asian markets.
HR & Attendance Platform
Employee management system with time attendance tracking, leave management, and workforce analytics dashboard.
Multi Country - Payroll Management System
A multi-client payroll platform supporting MY Payroll and ID Payroll with country-specific tax rules, statutory compliance, and leave management modules.
Industrial Quality Control System
Custom quality control application for an automotive factory, enabling real-time defect tracking, inspection workflows, and quality metrics reporting to ensure production standards compliance.
Kanban Management System
Production kanban board system for an automotive factory, managing work-in-progress limits, production scheduling, and visual workflow tracking across manufacturing stages.
Personal Portfolio
Modern developer portfolio built with Next.js and Tailwind CSS, featuring dark mode, smooth animations, and responsive design.
Education
Bachelor of Information Systems
STIMIK Pradnya Paramita, Malang
2014 - 2021
Studied information systems with focus on software engineering, database management, and web technologies.
Let's Connect
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision. Feel free to reach out!