The software development engagement model comprises two options: fixed price and ongoing support. Welio is a telemedicine platform that facilitates virtual consultations between doctors and patients through video calls, chat, and messaging. The task at hand encompasses the creation of both the front-end graphical user interface and the back-end logic, which entails seamless integration with diverse mobile platforms and technologies.

The advantages of mobile application development are manifold. Mobile applications present a prime opportunity for enterprises to directly interact with their clientele, furnishing bespoke encounters, convenience, and ease of access. By leveraging these strategies, our client can optimize brand visibility, foster customer loyalty, and drive revenue growth.


What The Client Required

A smartphone app that easily connects physicians and patients for the purposes of two-way communication, data sharing, appointment setting, and healthcare news updates is needed. Hence, this software has been designed to operate as a helpful “personal assistant”.

Furthermore, the client have expressed their requirements for additional real-time functionalities, including but not limited to clinic management privileges; medical examination scheduling capabilities for administrators; direct video conferencing for physicians to promptly provide medical advice to patients; and the ability to store patients' medical records and medication information within the system for authorized users to access.

The following were the requested features for the Welio application by the client:

Doctor register his account and clinic information;

Admin approves the registering Admin manage users;

Admin manage clinics;

Clinic operators make appointments for doctors and patients via the web app;

Doctor make video call patient via the web app. The patient registers a new account on the mobile app. OTP send via SMS;

The patient makes a video call with a doctor via a mobile app;

Patient chats with the doctor during waiting for the call;

Patient send messages (text/picture/video/voice) to the doctor anytime.

Calendar management, "provider" management, OTP via SMS for registering, secure video chat, text chat, image upload, e-payment gateway, HIPPA compliant.


Our Technologies

The team at Saigon Technology has been consistently holding internal meetings to effectively manage client requirements. Our team has ensured the continuous value of our products and services through regular assessments and the integration of state-of-the-art technology in the software development industry.

The Welio project involved utilizing fundamental methodologies to identify and select the suitable technology. And that required executing the following procedures in a well-defined approach.

01 Defining project needs
02 Studying the market
03 Assessing technology alternatives
04 Considering the active development and community support
05 Assessing technology alternatives
06 Planning for future expansion

Specifically, the Saigon Technology team utilized the following technologies for the Welio app project:

  • Swift 2;
  • .Net backend;
  • Twilio SMS service;
  • Native Android;
  • Microsoft Azure;
  • E-way payment gateway integration;
  • SQL Server;
  • Push Notification;
  • Twilio for video call;
  • Firebase for real-time messaging.


The application received a high volume of multimedia content from patients on a daily basis.

The system was compliant with HIPAA regulations.

The mobile design necessitated extensive customization.

The initial objective entailed substituting the legacy video call service, Skype for Business, with the new video call service, Twilio.

The authentication process in the legacy system was needlessly intricate, relying heavily on various Microsoft Azure services.

The team had to integrate Twilio Voice and Video Call to replace Skype for Business.

Implemented streamlined login and registration procedures.

Developed the chat functionality to facilitate communication between the Doctors and the Users.

Developed and integrated asynchronous messaging functionality for communication between doctors and clients.

Followed Microsoft's guidelines to ensure the solution remains effective.



Utilized Twilio Voice and Video Call to replace Skype for Business.

Implemented streamlined login and registration procedures.

Developed chat functionality for communication between doctors and clients.

Successfully developed and integrated asynchronous messaging functionality for communication between doctors and clients.

Adhered to Microsoft's guidelines to ensure that the solution is compliant with HIPAA regulations.


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The Saigon Technology team and the Client have implemented daily internal meetings to optimize the deployment of daily work reports since the beginning of the project.

The client-side and Saigon Technology team met for a review session every other week to present their work and get comments.

Building A Team

Building A Team

To successfully complete this project, we assembled a strong and capable team. We began by identifying the necessary roles and responsibilities and then seeked out individuals who possess the required skills and experience.

It's important to ensure that each team member understanded their role and how it fitted into the overall project goals. We also needed to establish clear communication channels and set realistic expectations for deadlines and deliverables.

  • We needed to conduct a thorough analysis of the requirements. It was imperative to comprehend the client's business objectives, project scope, preferred technology stack, timelines, and budget.
  • The team structure required the involvement of various stakeholders.
  • Saigon Technology team successfully implemented a system that promotes efficient collaboration and communication among team members by utilizing project management applications, online discussion boards, and video conferencing programs.
  • We employed an agile development methodology, such as Scrum or Kanban, to ensure continuous improvement, regular feedback, and ongoing enhancement.
  • Besides, it was also important to define the scope of the project, set clear goals and objectives, create a detailed project plan, identify and manage potential risks, establish a realistic project timeline, and closely monitor progress throughout the project's lifecycle. 
  • The implementation of periodic reporting really helped ensure transparency and coherence throughout the project.
Building A Team

Advantages Partnering With Saigon Technology

At Saigon Technology, our focus is on delivering customized solutions to our corporate clients, with a specific emphasis on mobile app development. We take great pride in our ability to meet the unique needs of each client and provide them with the highest quality service possible. Our team of Developers & Engineers is dedicated to offering round-the-clock support while ensuring competitive pricing in the Pacific-Asia region. Saigon Technology's team offers supplementary advantages, including:

Advantages Partnering 0

The successful implementation of the pricing plan has resulted in improved cost forecasting and resource allocation accuracy for our clients. This development has resulted in a significant increase in the project's production.

Advantages Partnering 1

Based on the complexity of our methodology, we can guarantee our clients a positive ROI of 100%.

Advantages Partnering 2

The team's utilization of agile development methodology allowed for efficient modifications, resulting in the client's rapid improvement of their technical proficiency.

Advantages Partnering 3

Utilizing a dedicated team for the project can help accelerate timelines, product development, and deployment.

Advantages Partnering 4

By entrusting us with your software development requirements, you can concentrate on expanding your business operations without being concerned about the technical intricacies. If we execute this with precision, it has the potential to significantly impact the organization's expansion and financial performance.

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