Stag - A Safe, Sustainable and Automated Financial Investment Solution for Vietnamese Users

PROJECTS

GNXT

3/27/20263 min read

Financial Service

Industry

Technology

Amazon EC2

AWS ELB

Amazon Route 53

Amazon RDS for PostgreSQL

Amazon CloudFront

Amazon ElastiCache

Overview

Stag is a wealth management platform that provides solutions to enhance financial well-being for businesses and employees. With the mission of accompanying Vietnamese workers on their journey to achieve financial goals, Stag helps users build and grow sustainable assets over time. Stag believes that the success of each investor forms the foundation for the company’s strong and sustainable development. As a pioneer in the field, STAG Vietnam is proud to receive trust and backing from reputable financial investors.

Challenges

High-performance and highly reliable system requirements

The Stag platform must handle a growing number of users while ensuring smooth and continuous experiences for sensitive financial operations.

Real-time data processing and response for financial activities
Low latency in all interactions
Continuous operation (zero downtime)
Backup and disaster recovery strategies to ensure high availability

Enhancing data-driven financial forecasting capabilities

Stag has not yet been able to deliver deeply personalized financial advisory experiences based on user data.

Limited ability to understand and analyze individual financial profiles
Lack of real-time intelligent advisory system
“One-size-fits-all” experience without strong differentiation

Need for personalized financial management

Financial data has not been fully leveraged to generate valuable forecasts and insights.

Challenges:

Difficulty in predicting cash flow, spending trends, and investment performance
Lack of time-series data analysis tools
Limited support for long-term financial planning

Solutions

Building a Real-time, Low Latency, Zero Downtime System

Solution:

Services used:

Amazon EC
Amazon EKS
Elastic Load Balancing
Amazon ElastiCache
Amazon CloudFront
AWS Auto Scaling
Amazon Route 53

Use EC2 and EKS to deploy a flexible backend system (microservices / container-based), enabling easy scalability
Combine Auto Scaling and Load Balancer to automatically scale and distribute traffic
Use Multi-AZ Amazon RDS (PostgreSQL) for high availability, along with read replicas to improve read performance and reduce database latency
Integrate ElastiCache (Redis) to cache real-time data and reduce latency
Use CloudFront to accelerate global access
Route 53 with Health Checks to manage traffic routing and ensure high availability

Results:

Achieved low latency – high availability – zero downtime
Improved system scalability to handle rapid user growth

GenAI-powered Financial Personalization

Services used:

Amazon Bedrock
Amazon API Gateway
AWS Lambda

Solution:

Use Bedrock to build a financial advisory chatbot acting as a “virtual expert”
Deploy a serverless architecture (API Gateway + Lambda) to process real-time requests
Apply a RAG model to ensure recommendations are based on real data

Results:

Personalized financial advisory experience for each user
Increased user engagement and trust

Data-driven Financial Forecasting

Services used:

Amazon Forecast
Amazon S3
AWS Glue
Amazon Athena

Solution:

Store financial data (transactions, spending, investments) on S3
Use Glue to process and standardize data
Use Forecast to build predictive models: cash flow, spending trends, investment performance
Use Athena to quickly query data and generate insights

Results:

Provide accurate, data-driven financial forecasts
Support users in long-term financial planning

Achieved Results

Future Development Direction

As scale and demand continue to grow, Stag is not only focusing on the Vietnamese market but also aiming to expand regionally and globally. This raises an important question: Is the current system capable of supporting rapid and continuous growth in the future?

With this direction, GNXT not only provides short-term solutions but also focuses on building a sustainable architecture capable of long-term scalability, following the principles of the AWS Well-Architected Framework. The system is designed in phases to ensure it consistently meets Stag's evolving business and operational needs.

As a technology partner of Stag, GNXT is committed to continuously accompanying the journey to build a modern, flexible financial platform that can scale globally and operate sustainably over time.