Hello, World! ๐Ÿ‘‹

I'm Yayak Yogi Ginantaka

Fullstack developer passionate about building clean, fast, and beautiful web experiences. 4+ years focused on React, Next.js, Vue, Angular & Remix on the frontend, with NestJS, Laravel and REST / GraphQL APIs on the backend.

Career

Career Journey

4 years growing as a Software Developer

Frontend Developer ยท Contract

Gamemarket โ€” Remote
Feb 2026 โ€“ Jun 2026

Revamped a fully responsive UI (mobile, tablet, desktop) with Tailwind CSS for this trusted gaming marketplace โ€” built on Next.js + Shadcn UI with Redux Toolkit. Integrated multiple payment methods including Crypto, QRIS, and BRIVA (Dana & ShopeePay coming soon).

Freelance Developer

Self-employed ยท International
Feb 2025 โ€“ Present

Delivering web applications for clients across Spain, United States, and Australia โ€” including Linden (personal asset & life management portal), Quore (multi-tenant AI platform), Estate Buddy, Chrona, and a Waste Vision app. Built with React Router v7, Remix, NestJS, and Auth0.

Fullstack Developer

Keeppack
Jan 2024 โ€“ Jul 2025

Worked as a fullstack developer on Kelola SaaS V2, including building its marketing landing page at kelola.id. Kelola is an all-in-one business management platform with omni-channel features, marketplace integrations, and best-courier collaboration.

Sep 2022 โ€“ Dec 2024

Developed multiple web applications โ€” Lini Store, Lini Mitra & Lini Seller (social commerce), Sobat Tani (AI + IoT agriculture monitoring), and Kelola Gudang, a warehouse management system integrated with Shopee, TikTok Shop & Tokopedia. Also enhanced the SaaS platform for business clients.

Mobile App Developer

PT Insan Cendekia Nusantara
Jun 2022 โ€“ Sep 2022

Developed mobile apps including Ucommers, NIMO, and SI-GEPO using Flutter. Integrated payment gateways and built interactive educational games for students with special needs.

Frontend Developer

CV Dena Teknologi Indonesia
Jul 2021 โ€“ Feb 2022

Built ONXExpressApp and the Sedulur Tani Staff App for transportation and sales tracking, plus a CMS for the Al-Ghoibi foundation to manage and upload activity content.

Education

B.Sc. in Information Technology

Universitas Bhinneka PGRI
2018 โ€“ 2022

Bachelor's Degree in Information Technology โ€” building a strong foundation in software engineering, web, and mobile development.

Work

Latest Projects

Modern frameworks and cutting-edge tech โ€” showcasing my expertise in web development

Gamemarket marketplace screenshot

Gamemarket

Global digital marketplace for peer-to-peer trading of gaming assets โ€” game accounts, in-game items, boosting services, and top-up services across 500+ games including Genshin Impact, Valorant, and Clash Royale.

Frontend Gaming Marketplace
Inlite CMS dashboard screenshot

Inlite CMS

Content management system for Inlite โ€” serving Australia's architectural design and engineering community with detailed lighting solutions for efficiency, control, and budget compliance.

React Router V7 TypeScript Supabase
Custos Portal screenshot

Custos Portal

Centralized authorization service for the Linden platform โ€” single source of truth for all access control logic and data across the entire platform.

React Router V7 TypeScript Shadcn
Quore Portal screenshot

Quore Portal

Modular, multi-tenant AI platform powering intelligent agents via extensible plugins, vector search, and modern LLM tooling. Built on FastAPI, PGVector, LangChain, and LlamaIndex.

React Router V7 FastAPI LangChain
Lini Store social commerce screenshot

Lini Store

Social Commerce platform combining shopping with social interaction โ€” group purchases for discounts, live sales, and activity feeds.

React TypeScript Ant Design
Kelola WMS client app screenshot

Kelola WMS Client

Warehouse management application from Kelola offering order fulfillment and product management integrated with marketplaces.

Angular TypeScript Material Design
Staycation tourism website screenshot

Staycation

Tourism destination discovery website for Indonesia, built fullstack with the MERN stack.

React MERN Stack
Store GG game top-up UI screenshot

Store GG

Personal project โ€” a game top-up UI built with React.js and Tailwind CSS.

React Tailwind CSS TypeScript
Orcha Portal workflow screenshot

Orcha Portal

Workflow automation engine connecting APIs, services, and internal tools into visual, event-driven flows. Modular nodes, custom logic, and integrations โ€” no heavy scripting needed.

React Router V7 TypeScript Shadcn
Identies Portal screenshot

Identies Portal

Identity and user management service handling user lifecycle operations, authentication data, identity resolution, and platform metadata.

React Router V7 TypeScript Shadcn
Kelola SaaS platform screenshot

Kelola SaaS

All-in-one business management platform with omni-channel features, marketplace integrations, and best-courier collaboration for stores, products, orders, and fulfillment.

React TypeScript React Suite
Kelola WMS staff app screenshot

Kelola WMS Staff

Staff-facing warehouse management app from Kelola for order fulfillment and product management, integrated with major marketplaces.

Angular TypeScript Material Design
Cozy App boarding house finder screenshot

Cozy App

Online boarding house search application built with Flutter for Android.

Flutter Dart
Nimo educational game screenshot

Nimo

Android-based game "NIMO" developed for the Learning Innovation and Assistive Technology Assistance Program.

Flutter
Expertise

Tech Stacks

Technologies I work with to build great products

Frontend

HTML5 HTML5
CSS3 CSS3
JavaScript JavaScript
TypeScript TypeScript
React React
Next.js Next.js
Tailwind CSS Tailwind CSS
Bootstrap Bootstrap
Vue Angular Remix

Backend

PHP PHP
Node.js Node.js
Laravel NestJS REST API GraphQL

Mobile

Flutter Flutter

Database

MySQL PostgreSQL

Tools

Git Redux Docker Auth0 UNO CSS Claude