FRONTEND ENGINEER

David William da costa

Design and Code that works together to achieve the goals of application.

Posts

all post that i created is basically from library or framework that i learned and also basically comes from my experiences.

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Work

A mix of client work, on-the-job builds, and self-initiated projects I made to keep learning.

Ledgerly App

Web Application Application

Ledgerly is a finance/audit workspace that brings a single audit engagement — one client, one period — into one place: the documents requested from the client (PBC), the audit program and tasks, the working papers and their evidence, review notes, progress, and a complete audit trail.

GolangDockerPostgreSQLReact
Ledgerly App

Clearpath

Web Application Application

Clearpath is the web dashboard for the Pillar platform — a cellular-network / RF-analysis system. It's the React app analysts sit in front of; it visualizes cellular coverage, tower locations, RF signal estimates, and field-scan progress on an interactive map.

ReactTailwind CSSTypescriptPython
Clearpath

Plexapro ERP Contractor

Website Application

Plexapro is enterprise resource planning for contractor

ReactJotaiAxiosTailwind CSS
Plexapro ERP Contractor

Circular Diagnostic Landing Page

Website Application
HTMLCSSTailwind CSSJavascript
Circular Diagnostic Landing Page

Babaju

Mobile Application

Babaju is application for thrifting online for clothes

React NativeReact NavigationReact Native Stylesheet
Babaju

Tanahin

Mobile Application

Tanahin apps connect between seller and user to sell land

React NativeNativeBaseAxiosReact Navigation
Tanahin

Unnes IoT Dashboard

Website Application

Smart IoT dashboard for monitoring devices such as air conditioner for each of classes, motion sensor, water meter and power meter for each building that integrated with devices.

Next JSTailwind CSSMaterial UINext Auth
Unnes IoT Dashboard

Kampung Rotan

Website Application

Web application for connect between seller rattan in kalimantan with customers who will buy the handcraft rattan

LaravelJQueryJavascriptTailwind CSS
Kampung Rotan

My Doctor

Mobile Application

Application was build for make appointment with doctor and also online consult about symptoms

React NativeReact Native NavigationReact Native StylesheetFirebase
My Doctor

Antares SaaS Dashboard

Website Application

Web application that offer service such as monitoring, analysis usecase, and relatime data for usecase such as power meter, water meter, water level, and environment monitoring

ReactNext JSHighchartReact Redux
Antares SaaS Dashboard

PPID Kemendag RI

Mobile Application

This iOS mobile application was developed to support the Pejabat Pengelola Informasi dan Dokumentasi (PPID) of the Indonesian Ministry of Trade (Kementerian Perdagangan RI) in managing and delivering public information efficiently. Built using React Native and Redux Toolkit, the app enables seamless access to government-related data, offering transparency and accountability to the public.

React Native
PPID Kemendag RI

Let's connect

Leave message here for offer opportunity or connect with me and let's work together

DW

Crafted with care by David — a frontend developer passionate about building responsive, user-friendly, and modern web applications. Focused on clean code, great user experience, and continuous learning.

© david stuff 2025