Experience as a Backend Developer at VT Digital Services Corporation

Overview of VT Digital Services Corporation

VT Digital Services Corporation is a pioneering company in Vietnam’s digital financial sector. It is responsible for developing advanced service systems such as:

• VT Money: A comprehensive digital payment solution.
• 360 TV: A leading digital entertainment platform.
• Cybersecurity Insurance: A service that protects and secures personal information.

Headquarters: Floor 45, KeangNam Building, Pham Hung, Me Tri, Nam Tu Liem, Hanoi. The company collaborates with many prominent partners, notably VBI Insurance and MB Bank.

Role and Tech Stack

As a Backend Developer, I worked with a team of over 20 members, utilizing cutting-edge technologies, including:

• Backend: Java Spring, Java Reactive.
• Frontend: React JS, React Native.
• DevOps: Jenkins, Kubernetes, Docker, and other CI/CD tools.

Unique Characteristics of the Project

The project at VT Digital Services Corporation featured both broad scope and high integration, with the following highlights:

• Broad Scope and High Integration

  • Managed complex insurance processes, including access control, pricing, and financial formulas.
  • Ensured compliance with legal regulations and contract requirements.

• Multi-Dimensional Business Processes

  • Deep integration between insurance and financial services, covering benefits, claims, investments, savings, and interest rates.

• Diverse Integrations

  • Worked with banking systems, e-wallets, and IoT devices.
  • Optimized payment and risk verification processes.

• Flexible Scalability

  • Guaranteed system performance during sudden increases in user demand.
  • Ensured continuous operation, even under disaster scenarios.

• Advanced Data Management

  • Integrated backup systems and processed complex data using star schema.
  • Maintained accuracy and optimized data storage in the data warehouse.

Lessons Learned from the Project

This project provided invaluable lessons, such as:

• Understanding insurance business processes:

  • Principles of collective contribution and protecting the minority.
  • Risk classification and product pricing.
  • Legal characteristics and contractual obligations.
  • Data transparency and responsibility.

• Third-party payment gateway integration: Collaborated effectively with external partners to optimize payment workflows.

• Handling complex data: From data analysis to managing associated risks.

• Managing background tasks: Implemented systems for reminders, advisory services, and payment tracking.

Conclusion

Working at VT Digital Services Corporation not only enhanced my technical skills but also expanded my understanding of multi-dimensional business processes. This was a fantastic opportunity for growth and learning in a challenging and dynamic environment.