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Portfolio

Portfolio

Brief history

We involved in many customized software solutions since 1998 (under "Evotech System Enterprise"). In earlier days, we were using VB6 (Visual Basic) and we switched to C# in 2008. Since 2024, we actively using Node.js as our primary development language with PostgreSQL as our database for all new projects.

So far, we have involved in 
81
 projects since 1998.

e-Invoice integration with POS

We automated the monthly submission for consolidated e-invoce and we developed a new website for customer to request an e-invoice on their receipt.
Developed with: C# and Node.js with MSSQL
Industry
Servicing
2026

Auto-debit for Membership System

We developed an auto-debit module for charging monthly subscription and it is integrated with our Membership System. It has gone live on September 1, 2025 at our customer site.
Developed with: C# and Node.js with MSSQL
Industry
Servicing
2025

e-Invoice integration with BitzButler CRM

Adding the e-Invoice functionalities into our BitzButler CRM solution that allows the user from submitting e-Invoice to MyInvois portal.
Developed with: Node.js with Postgres
Industry
Any
2025

BitzButler CRM

A new web base CRM system that is running on any mobile devices. Allows any business in issuing invoices and key in collections while moving around. Full set of accounting system sits at the back end for the Accountant.

URL: https://thinkdongstudio.com
Developed with: Node.js with Postgres
Industry
Any
2025

Online room booking system interface

Connecting the Online room booking system to PMS that we have developed earlier. The new booking will be automatically import into PMS while rate changes will be automatically synchronized to the Online room booking system.
Developed with: Node.js with Postgres
Industry
Servicing
2024

Accounting system

A new web base system developed in Node.js + PostgreSQL (database engine) for any business. This system is ready for in depth customization based on the customer need.
Developed with: Node.js with Postgres
Industry
Any
2024

e-Coupon system

A new web base system developed for a factory for tracking the balance amount (for each staff) when they use it in the food canteen. It also automatically top up the balance on every first of the month.
Developed with: Node.js with Postgres
Industry
Factory
2024

Online room booking system

A new web base system developed for a hotel to sell their rooms online. The booking functionalities can be integrated into the existing corporate website and PMS with ease.
Developed with: Node.js with Postgres
Industry
Servicing
2024

Sales & catering interface program

For exporting the catering order to the PMS (Property Management System).
Developed with: Node.js with MSSQL
Industry
Servicing
2023

Door lock interface program

An interface program developed in Node.js to communicate with the key server and PMS (Property Management System) for cutting key cards.
Developed with: Node.js with MSSQL
Industry
Servicing
2023

Member portal

A web app for the member to access their data, self check-in to the gym, etc which reduces the staff workload.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2022

Migrate Membership system to web

We have stopped developing desktop client program. All new systems will be migrated to web based. This move allows the staff to access the data from anywhere and any time.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2021

ciysys Project cost iPad app

We are offering a new iPad app that is available to all small businesses and the licensing is going to be very attractive.
Developed with: Objective-C for iOS app.
Industry
Any
2021

Gym facility reservation system

Allows member book the gym facility before their presence which is helpful for the gym operator for allocating resources.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2020

Sales & catering system (hotel and convention center)

Able to work standalone OR integrate with our hotel PMS.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2020

Room service for hotel

Allows hotel room guest to place their room service through mobile device. This program must interface with POS for restaurant.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2020

Point of Sales (POS) for restaurant

A web based system which is designed for tablet devices. Upon submitting the order, it will be send to the appropriate kitchen and bar printers. Able to interface with hotel PMS.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2020

Human resource management system (HRMS)

12 modules have been developed that includes payroll (Malaysia variant and customizable for any country), employee database, roster, leave, etc.
Developed with: C# and ASP.net with MSSQL
Industry
Any
2019

Central membership system

Centralizing all member's data from various locations into the cloud and the data will be consuming by other apps and processes.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2018

Hotel property management system (PMS)

Managing hotel room inventory, bookings and housekeeping assignment. Best part of this app is able to complete the day end process in lesser than 3 seconds.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2018

Coach commission system

Coach submitting their job sheet which will be pickup by the management to calculate the monthly commission.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2018

Membership sales system

Selling membership term online and collecting payment online. The term will then route to the outlet server.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2018

Online gym course booking system

Selling gym courses on Internet 24/7 which is convenient to the customer.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2017

Online store system

Computerizing the inventory operations for a store using web technology. The system exports the data into spreadsheet format which eases the user from preparing their management report.
Developed with: C# and ASP.net with MSSQL
Industry
Manufacturing
2017

Online claim form

Allows staff from submitting their reimbursement form online and wait for the approval from management.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2017

Online leave processing

Computerizing the leave workflow from the application to the approval. This round, we were putting more focus on the mobile device.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2016

Online duty roster

Moving the duty roster from the spreadsheet file to a web base system. Swapping the assignment among the staff made easy with some approval process.
Developed with: C# and ASP.net with MSSQL
Industry
Hospitality
2015

Online payroll system

A web based payroll system (based on Malaysia law) that is able to process multi companies payroll. Eases the tracking of the additions and deductions for each employee.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2015

Xero accounting integration

Automating the sales data import process to Xero. In year 2020, the system has been enhanced for using Xero OAuth (Open Authentication).
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2015

Online member registration system

Replacing the paper registration with tablet device and photo taking has become easy. It is integrated with our membership system.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2015

Inventory control with RFID

Automated the capturing of inventory movement which helps in reducing the manual count.
Developed with: C# with SQLite
Industry
Servicing
2014

Online accounts receivable

Moving the Accounts Receivable process to the web that allows the accountant works together with auditor who works in another city.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2014

Currency sorter

A central desktop program that collects counting data from various machines. All reports can be generated with a click.
Developed with: C# with SQLite
Industry
Financial
2014

Online leave application

Computerizing the leave workflow from the application to the approval. The user allows querying their leave balance at any time which cut down lots of phone calls in the Human Resource department.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2014

Online organization chart

Migrating the employee information from the paper filing to web and allows user from viewing the organization chart.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2014

Wait list app for iPad

This is our on the shelf program which helps the user from managing the queue for a restaurant or salon. This app will be good for getting rid of paper.
Developed with: Objective-C for iOS app.
Industry
Servicing
2014

Catering app for iPad

This is our on the shelf program which helps the user from managing catering event and function. All details for food and arrangement to be captured in this app and increasing the mobility to the organizer.
Developed with: Objective-C for iOS app.
Industry
Servicing
2014

Roster app for iPad

This is our on the shelf program which helps user from managing the duty roster with iPad. It is helpful to run a small team even though there is no Internet connection.
Developed with: Objective-C for iOS app.
Industry
Servicing
2014

Property management system (PMS) app for iPad

This is our on the shelf program which helps user from managing the hotel room inventory with iPad. Most wanted feature is offline capability.
Developed with: Objective-C for iOS app.
Industry
Servicing
2014

Inspection app for mobile device

This system is for the safety patrolling staff to use and make report if someone is violating the rules and regulation.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2013

Expenses tracker iPhone app

This is our on the shelf program which helps user from managing personal expenses.
Developed with: Objective-C for iOS app.
Industry
Financing
2013

NearBy.com.my website

A website done in ASPX that integrates with Google Map and shows the surrounding shops within 10KM diameter. (Note: this website has been removed by the owner).
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2012

Checklist app on iOS

An enterprise iPhone app that allows user from using the checklist to prodive online feedback to the management.
Developed with: Objective-C for iOS app. C# and ASP.net with MSSQL for the back end service
Industry
Servicing
2012

Portal website

Design and develop a corporate website.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2012

Recruitment website (enhancements)

Enhanced a recruitment website.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2012

Membership & POS system (enhancements)

Full scale of membership system that is able to run in multiple outlets.
Developed with: C# with MSSQL
Industry
Servicing
2012

Inventory control system

An inventory control system for a small store.
Developed with: C# with MSSQL
Industry
Retail
2012

Logistic system

Helps in migrating the paper system to web base system that helps in processing the transport charges and driver's performance.
Developed with: C# with MSSQL
Industry
Transport
2011

Membership & POS system

Full scale of membership system that is able to run in multiple outlets.
Developed with: C# with MSSQL
Industry
Servicing
2011

Database migration from MSSQL2000 to MSSQL2008

Helps in migration the databases to the newer version of MSSQL.
Developed with: MSSQL
Industry
Servicing
2011

Recruitment website using ASPX

A website that offering job vacancies for applicant to apply.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2011

Content management website using ASPX

For hosting their corporate website.
Developed with: C# and ASP.net with MSSQL
Industry
R&D Company
2011

MSSQL 2000 database optimization

The system was developed by someone who has left the company. We helped in fine tuning the queries and stored procedures which took more than 5 minutes to run. After fined tuning, the queries are completing with 5 seconds.
Developed with: MSSQL
Industry
Factory
2010

Cheque encoding program

A program to instruct the cheque printer to encode the cheque with some information.
Developed with: C# with SQLite
Industry
Retail
2010

Website conversion - Joomla to ASPX

Helps to migrate a website from Joomla to ASPX.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2010

Website conversion - Wordpress PHP to ASPX

Helps to migrate a content management (CMS) website from PHP to ASPX.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2010

Hardware interface

Developing a desktop program for managing the devices and showing the device runtime information.
Developed with: C# with MSSQL
Industry
R&D Company
2010

E-statement website

A system that imports some accounting transactions into the cloud server for customer to viewing and downloading their statement.
Developed with: C# and ASP.net with MSSQL
Industry
Wholesales/retail
2010

Online shopping cart

A website that allows the business operator to publish new items and sells it online.
Developed with: C# and ASP.net with MSSQL
Industry
Wholesales/retail
2010

MSSQL 2000 database optimization

Helps to find the slow running process and speeding up the queries and stored procedures.
Developed with: MSSQL
Industry
Wholesales/retail
2009

Medical management system

Helps in developing partial of the system for dentist.
Developed with: C# with Interbase database
Industry
Servicing
2009

Loyalty program + inventory management

Tracking the sales orders, inventory movement and the loyalty points for any purchase activities.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2009

Beauty salon system

A web based system that allows the user to manage the customer information and POS functionalities.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2009

Fixed asset register

Migrating the existing spreadsheet that is keeping track the fixed asset information into online solution and implement the depreciation calculation. This allows extending the inventory checking as well.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2008

Weekly report system

An online web base system that allows staff in submittig their weekly report. On the other hand, the management will design and publish new weeky report format without having to print any hard copy.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2008

User access control system

An online web base system that allows management to maintain the system user account. The functionality will be shared among with any other systems
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2008

Celestial windows service

For running scheduled server tasks and providing long running tasks for ASP.net. As a result, the ASP.net website can be restarted without affecting the long running tasks.
Developed with: C# with MSSQL
Industry
Servicing
2007

Event management system

An online web base system that allows the organizer uploading new event for customer to place booking.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2007

Online reservation system

A web base system that allows the customer to place hotel room booking. The room inventory will be published by the hotel staff.
Developed with: C# and ASP.net with MSSQL
Industry
Servicing
2007

Warehouse management system

A desktop program that helps to replace the paper and track all the incoming and outgoing goods pallet. This program will generate invoice based on the pallet movement and rental.
Developed with: VB6 with MSSQL
Industry
Retail
2005

Price enquiry system

A simple desktop program that helps to speed up the search for price enquiry through many products.
Developed with: VB6 with MS Access
Industry
SOHO
2004

Evotech dynamic virtual machine

An in house system developed in VC++ that works like an "Internet browser" to host application.
Developed with: VC++
Industry
Retail
2003

Mail client program

An email client program that supports SMTP and POP3. It has a company wide global address book that reduces the user frustration.
Developed with: VB6 with MS Access
Industry
Servicing
2003

Front office system

A desktop program that helps in managing room inventory, schedule, billing, etc.
Developed with: VB6 with MSSQL
Industry
Servicing
2003

Drugs inventory control system

A desktop program for pharmacy and clinic.
Developed with: VB6 with MS Access
Industry
Retail
2003

E-billing system

A desktop program that keep tracks the machine rental, labor charges, overtime and billing.
Developed with: VB6 with MSSQL
Industry
Construction
2005

Guest survey system

A palm pilot program that helps to collect survey data and importing the data into a desktop program.
Developed with: VB6 with MS Access
Industry
Retail
2001

Point of sales (POS)

A desktop POS program that is handling sales transaction and collection.
Developed with: VB6 with MS Access
Industry
Servicing
2001

Point of sales (POS) + Inventory Control System

A desktop POS program that is managing inventory and handle sales transaction.
Developed with: VB6 with MS Access
Industry
Retail
2000

Accounting system (for legal firm)

For keeping track the sales, expenses, etc and able to generate profit & lost and balance sheet.
Developed with: VB6 with MS Access
Industry
Servicing
1999

Sales order system

For keeping track the customer order and the progress to the order fulfillment.
Developed with: VB6 with MS Access
Industry
Manufacturing
1998
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