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Gus Jabung Al Fiansyah - Fullstack Developer

Hola, I'm Gus Jabung!

Fullstack Developer with 2.5+ years of experience building production web applications across creative agency, automotive rental, parking management, and e-learning platforms. Deep experience with Next.js, React, and Laravel/CodeIgniter, spanning UI implementation, backend integration, and database design across both modern and legacy ecosystems — complemented with additional expertise in machine learning.

Work Experience

LADEVA SOFTWARE

Fullstack DeveloperJan 2024 - present
  • Built and maintained multiple production web platforms across different industries, including a creative agency company profile, a car rental booking system, a parking management platform, and a Japanese language e-learning site.
  • Developed an internal project management CRM for Ladeva, streamlining company workflows and cross-project tracking.
  • Delivered end-to-end full-stack solutions spanning UI implementation, backend integration, and database design across both modern (Next.js, React) and legacy (CodeIgniter) ecosystems.
  • Collaborated within a Linux-based development environment with CI/CD pipelines for consistent, reliable deployments.

CODEVA TECHNOLOGIES

Fullstack DeveloperJan 2025 - Dec 2025
  • Built Mini Commerce, an online shop platform for a clothing distro brand, covering product catalog, product detail pages, and shopping cart flow.
  • Developed reusable, type-safe UI components with React and TypeScript to keep the codebase consistent and maintainable as features grew.
  • Implemented client-side routing and page structure using Next.js, balancing static and dynamic rendering for better load performance.
  • Wrote component and integration tests using Vitest to catch regressions early and maintain code quality across releases.
  • Collaborated closely with design references to ensure the storefront UI matched brand identity and remained responsive across devices.

VOCASIA

Fullstack Developer InternAug 2024 - Dec 2024
  • Built a bootcamp training course platform supporting cohort-based learning content and enrollment management.
  • Developed a Prakerja certification site, handling certification workflows for government-subsidized training programs.
  • Built an English TOEFL preparation site with structured practice modules.
  • Worked across both MySQL and MariaDB-backed systems, containerized with Docker for consistent environments.

CORE INITIATIVE STUDIO

Frontend Developer InternMar 2024 - Jul 2024
  • Built a clothing e-commerce frontend using Vue.js, focused on responsive UI and product browsing experience.
  • Wrote unit tests with Jest to ensure component reliability and reduce regression bugs.
  • Integrated Firebase for backend services including data storage and authentication.
  • Worked within a CI/CD and Docker-based workflow to support consistent testing and deployment.

Skills

Languages

TypeScript
JavaScript (ES2023)
PHP
Python

Frameworks & Libraries

React
Next.js
Laravel
CodeIgniter
Node.js
Vue.js

Databases

MySQL
PostgreSQL
MongoDB
Firebase

APIs & Styling

GraphQL & REST APIs
Tailwind CSS

Testing & State

Vitest
Jest
React Query

Infrastructure & Tools

Docker
Git & GitHub
Linux / CLI

My Journey

2026

Fullstack Development & ML Research

Advancing production fullstack work while completing ML thesis research.

  • Built the Nihonbashi Online Class e-learning platform for Japanese language courses, including scheduling, learning materials, and enrollment management.
  • Delivered the Albatross Rent Car booking platform covering vehicle listings, availability, reservations, and rental management.
  • Completed Bachelor's thesis on Earthquake Risk Classification using XGBoost based on BMKG seismic parameters.
2025

Product Scale-Up & Internal Tooling

2024

Professional Fullstack Experience

2023

Frontend & Fullstack Foundations

2022

Backend & Database Foundations

2021

Started Computer Science Degree

2020

Beginning of Coding Journey