Website Development Portfolio

Selected custom website and business application work built for performance, maintainability, and responsive use.

Organic Search Performance

Organic traffic performance in Google Search Console

Representative Project Capabilities

E-Commerce System

Custom inventory management, transaction validation, and automated invoice workflows.

Corporate Analytics Dashboard

An internal financial analytics application with structured access and secure data handling.

Internal Financial Management System

A centralized internal application for consolidating financial transaction data. This system was developed to replace inefficient, error-prone manual processes, with the primary goal of ensuring accurate, rapid, and cash record-keeping.

Client Reviews

“Working with bitter.tech was a smooth experience. Our internal accounting system was completed on schedule and performs well locally and in the cloud.”

— Irawan., Head of Finance

“The custom visual design looks excellent. Our corporate clients responded positively to the new landing page.”

— Siska W., Operations Director

“The website is lightweight, secure, and easy to use on mobile devices.”