Available for collaboration

Frontend & Mobile
Developer

I build practical React, Next.js, and React Native products with clean interfaces, Firebase-backed workflows, and maintainable frontend architecture.

Ken Zamariyan
Next.jsReact NativeFirebase

About Me

Building reliable digital products with clarity and purpose

IbuildpracticalwebandmobileproductsacrossReact,Next.js,ReactNative,Firebase,anddata-drivenoperationalworkflows.

Mystrongestworksitsattheintersectionofcleaninterfaces,maintainablefrontendarchitecture,andbusinessworkflowsthatnon-technicaluserscanoperateconfidently.

Architecture-Minded

I keep component boundaries, data flow, and maintainability visible while building interfaces.

Product-Oriented

I translate operational needs into screens, workflows, and interactions that reduce friction.

Web & Mobile Delivery

I work across responsive web surfaces and React Native mobile experiences.

Capabilities

Skills Stack

A curated set of technologies I use to craft reliable and scalable digital products.

Frontend

HTML
CSS
JavaScript
TypeScript
React
Next.js
Tailwind CSS

Mobile

React Native

Backend & Data

Firebase

Tools & Others

Git
UI/UX Basics

Selected Work

Project Case Studies

A focused look at the product problems I worked on, the technical ownership I took, and the outcomes each project was designed to support.

Gotani Mobile Application

2024

A React Native point-of-sale and agriculture workflow app for product, transaction, and inventory operations.

Challenge

Farmers and operators needed a mobile-first workflow to record products and transactions without relying on a desktop admin panel.

Solution

Built the mobile UI, Firebase integration, Firestore data flows, and transaction screens with a focus on simple daily operations.

Outcome

Turned a manual operational process into a structured mobile workflow that can scale into reporting, inventory, and admin review.

Mobile POS workflowFirebase-backed dataInventory-oriented UX

Role: Mobile & Backend Developer

gotani.
Sales Stats+14.2%
HomePOSData

Gotani Admin Dashboard

2024

A web dashboard for managing agriculture products, users, and transaction data with operational clarity.

Challenge

Admin users needed a clearer interface to inspect platform data and manage daily agriculture operations from the web.

Solution

Developed dashboard screens with React and Vite, organizing management flows around scannable tables and action-focused views.

Outcome

Created a centralized admin surface that makes non-technical operational tasks easier to navigate and maintain.

Admin operationsData managementResponsive web UI

Role: Frontend Developer

admin.gotani.com/dashboard
Dashboard
Products
Farmers
Orders
1,280
Revenue
$8.4k

KPJMI Company Profile Website

2023

A cooperative company profile website with dynamic content management for public-facing information.

Challenge

The cooperative needed a stronger digital presence and a practical way to publish information for members and external visitors.

Solution

Designed and implemented a company profile experience backed by a MySQL-powered content workflow.

Outcome

Improved public trust and information access by giving the organization a maintainable web presence.

Public profileDynamic contentMySQL-backed CMS

Role: Web Developer

kpjmi.or.id
KPJMI CO.
HomeProgramContact

Koperasi Petani Jaya Makmur Indonesia

Digital presence for a local agriculture cooperative.

Contact
2023 KPJMIJaya Makmur

Career Journey

Experience & Education

A concise timeline of project ownership, freelance work, and academic foundation.

Work2024 - Present

Freelance Web & Mobile Developer

Independent/Remote

Developing end-to-end web and mobile applications, from requirements and interface planning to implementation and deployment handoff.

Next.jsReact NativeFirebaseTypeScript
Work2024

Mobile & Backend Developer

Gotani Agriculture Platform/Project-based

Built a mobile POS application for an agriculture platform, covering mobile UI, Firebase integration, and transaction-oriented workflows.

React NativeFirebaseFirestoreMobile Dev
Work2024

Frontend Developer

Gotani Admin Dashboard/Project-based

Developed web administration screens to manage products, users, and transaction data with a focus on clarity for non-technical operators.

ReactViteTailwind CSSREST API
Work2023

Web Developer

KPJMI - Koperasi Petani Jaya Makmur Indonesia/Internship

Designed and developed a company profile website with dynamic content management backed by MySQL.

HTMLCSSJavaScriptMySQLPHP
Education2020 - 2024

S1 Teknik Informatika

Informatics Engineering/Indonesia

Studied software development, database systems, object-oriented programming, and mobile computing through practical academic projects.

AlgorithmsDatabaseOOPSoftware Engineering

Get In Touch

Let’s Start a Conversation

Have a project in mind, need a developer to join your team, or just want to connect? Send a message and let's make it happen.

Availability

Open for freelance and full-time positions

👥

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