Available for New Projects

Front End &
Mobile Developer

agustinus.ts
const developer = {
  role: 'Senior Software Engineer',
  focus: ['React Native', 'Next.js'],
  mission: 'Clean architecture & high-performance cross-platform ecosystems',
};
developer.execute();
5+
Years Experience
10+
Projects Built

Some of My
Featured Works

What I Can Do with My
Technical Superpowers

Leveraging a decade of engineering experience to turn complex problems into elegant, production-ready solutions.

Front-End Mastery

Building high-performance, responsive web applications using React, Next.js, and modern CSS frameworks.

Mobile Architecture

Architecting complex cross-platform mobile apps with React Native, ensuring native-level performance and feel.

Scalable Backend

Designing robust and secure backend systems with Node.js and TypeScript to power seamless user experiences.

Agile Performance

Optimizing applications for speed and efficiency, delivering lightning-fast interactions and smooth animations.

Work Experience

My professional journey in designing, building, and maintaining production-grade applications.

Front End Developer

Ziyad Visi Media Indonesia
Jan 2026 – Present
  • Developed a comprehensive internal enterprise ecosystem including Mobile, Web, KIOSK, and POS applications.
  • Designed and implemented a custom Point of Sale (POS) system with integrated inventory management and real-time reporting.
  • Built self-service KIOSK applications to enhance on-site operational efficiency and customer service.
  • Architected cross-platform solutions using Next.js and React Native, ensuring seamless data synchronization across all company devices.
  • Leveraged AI-assisted development tools (Antigravity, Claude, Codex, etc) to accelerate prototyping, complex code refactoring, and unit test optimization.
  • Enhanced application security by implementing advanced authentication token protocols and server-side optimizations.

Mobile Developer

PT Royal D’Paragon Land Indonesia
Dec 2025 – Jan 2026
  • Led the development of scalable mobile architectures for customer-facing and internal property management apps.
  • Mentored junior developers on best practices in React Native and component-based design.
  • Translated complex business requirements into high-performance technical solutions.

Mobile Developer

PT Investree Radhika Jaya Jakarta, Indonesia
Feb 2020 – Feb 2024
  • Maintained large-scale FinTech mobile applications serving thousands of users using React Native.
  • Optimized codebase performance and conducted rigorous debugging to ensure 99.9% application stability.
  • Collaborated in an Agile environment with cross-functional teams (Product, Design, Backend).

Education & Certification

🎓

STMIK Duta Bangsa

Informatics Engineering

2013 – 2017
🎓

Hacktiv8

Full Stack JavaScript Immersive

Certified

LET'S WORK
TOGETHER

Have a project in mind? Let's build something extraordinary that pushes the boundaries of mobile engineering.

Connect with Me

© 2026AgustinusPortfolio. Built with Next.js & Tailwind