Do Ngoc Giang

Product Team (Team size: 6)

Currently building product features and backend services for customer interaction systems.

• Developing product modules and APIs with NestJS for customer-facing workflows.
• Still in onboarding phase, gradually learning the full domain and existing architecture to take ownership faster.
• Implementing asynchronous microservice communication using RabbitMQ to improve decoupling and scalability.

Module MMS-X (Team size: 5)

Developed MMS-X, part of the MES-X solution, for real-time equipment management, automated error alerts, maintenance planning, and performance reporting.

• Developed and optimized API modules using NestJS and backend technologies.

  • Built APIs for devices, tasks, plans, statistics, and Excel import/export.

  • Worked with automatic scheduling flows and operational optimization.

• Collaborated closely with business analysts to refine user requirements.

  • Proposed practical solutions to reduce implementation cost and increase delivery speed.

• Built features with NestJS, MongoDB, PostgreSQL, MSSQL, and Redis.

  • Adapted quickly to NestJS for modular backend architecture.

  • Worked with both SQL and NoSQL data models across client projects.

• Designed and operated microservices with NATS, Kafka, and Saga pattern for consistency.

  • Built and published the open-source package saga-transaction-lib on npm.

  saga-transaction-lib
• Contributed to performance, security, and automation improvements through technical proposals.