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Trần Đăng Khoa

Open to new opportunities

Trần Đăng Khoa

Full-stack Developer · .NET Backend · ERP & Enterprise Systems

I build enterprise systems that solve real business problems.

3+ years of professional experience building, maintaining and modernizing enterprise applications, with a focus on ERP, Manufacturing Execution Systems, .NET backend development, system integration and business process automation.

Core stack

  • C#
  • .NET
  • ASP.NET Core
  • EF Core
  • SQL Server
  • React
  • TypeScript
  • Microservices
  • RabbitMQ
  • Docker
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Trần Đăng Khoa

Selected work

Systems I've built

Enterprise platforms in production use — manufacturing, ERP and data migration.

Thanh Cong Textile Garment Investment Trading JSC

Early 2024 – Present

TC Shopfloor

Manufacturing Execution System

An end-to-end MES that digitalizes and standardizes production across Thanh Cong's textile supply chain. It covers Spinning through to Finished Goods, connecting manufacturing with scheduling, quality control, warehouse operations, logistics, barcode tracking, production traceability and enterprise ERP data.

TEAM · 22 people — 1 project manager, 6 developers, 15 business analysts

INTERNAL SYSTEM · NO PUBLIC REPOSITORY

Dynamic UI & data mapping

  • Co-developed configurable data-entry interfaces for different textile production workflows.
  • Built dynamic layouts supporting varying manufacturing requirements.
  • Developed automated data-mapping mechanisms that cut repetitive development across production modules.

Barcode & production reporting

  • Developed production reports used across multiple textile sectors.
  • Built configurable barcode printing for both web and mobile, supporting multiple templates.
  • Worked across Spinning, Weaving, Dyeing, Sewing and Finished Goods processes.

ERP integration

  • Developed bi-directional synchronization between TC Shopfloor and WFX ERP.
  • Handled orders, FPPO, inventory and production information.
  • Supported near real-time sync between the manufacturing and ERP environments.

Workflow automation & traceability

  • Developed multi-level order approval with configurable behaviour per business scenario.
  • Built production history retrieval so users can trace records across manufacturing stages.
  • Supported investigation of production issues and operational bottlenecks.

Performance

  • Developed data-heavy enterprise screens for manufacturing users.
  • Improved query and search performance over large production datasets.
  • Optimized data retrieval for faster access to historical production information.
Architecture

Three tiers. Shop-floor clients (React web and React Native mobile, plus barcode scanners) call MES services built as .NET 9 microservices communicating over REST and RabbitMQ, which persist to SQL Server. The MES services also synchronise bi-directionally with WFX ERP, exchanging orders, FPPO, inventory and production data in near real time.

  1. Shop-floor clients

    Production data entry, barcode scanning and reporting on the factory floor

    • React
    • TypeScript
    • React Native
    • AG Grid

  2. MES services

    Business logic, approval workflows, traceability and reporting

    • .NET 9
    • ASP.NET Core
    • Microservices
    • RabbitMQ

  3. SQL Server

    Production records, orders, inventory and traceability history

    • SQL Server
    • EF Core
  • C#
  • .NET 9
  • ASP.NET Core
  • EF Core
  • React
  • TypeScript
  • Ant Design
  • Material UI
  • AG Grid
  • React Native
  • Microservices
  • RabbitMQ
  • SQL Server

Nexacore Technology Company Limited

Jan 2025 – Present

Nexacore ERP

Enterprise Resource Planning platform

An all-in-one ERP platform for Vietnamese enterprises, covering sales, purchasing, warehouse, production, accounting, human resources, fixed assets, cost management and distribution management (DMS).

INTERNAL SYSTEM · NO PUBLIC REPOSITORY

Legacy modernization & performance

  • Participated in migrating legacy jQuery applications into modern Next.js environments.
  • Improved SEO indexing through server-side rendering, reaching 90+ Lighthouse scores.
  • Modernized enterprise web interfaces while keeping existing business workflows intact.

Approval workflow engine

  • Designed and implemented a configurable multi-level approval workflow engine.
  • Supported approval processes across sales, purchasing and HR modules.
  • Reduced duplication by centralizing reusable approval behaviour.

Distribution Management System

  • Developed real-time tracking and mapping for the DMS module.
  • Implemented sales route tracking and trip trajectory visualization.
  • Built customer visitation history so managers can monitor field-sales activity.

Backend & desktop

  • Developed and maintained ASP.NET Core Web APIs.
  • Implemented enterprise business logic using CQRS and MediatR.
  • Maintained ERP desktop applications built with C#, WPF and DevExpress.
  • Developed mobile payroll payslip access with React Native.
Architecture

Three tiers. Clients are a Next.js web application, a React Native mobile app and a WPF desktop application built with DevExpress. All call a shared ASP.NET Core Web API that implements business logic with CQRS and MediatR, validated by FluentValidation, which persists to SQL Server across the sales, purchasing, warehouse, HR and accounting modules.

  1. Clients

    Web, mobile and desktop front ends over the same API

    • Next.js
    • React Native
    • WPF
    • DevExpress

  2. ASP.NET Core Web API

    Business logic, multi-level approval workflow engine, validation

    • .NET 6
    • CQRS
    • MediatR
    • FluentValidation

  3. SQL Server

    Sales, purchasing, warehouse, production, HR, accounting, DMS

    • SQL Server
    • EF Core
  • C#
  • .NET 6
  • ASP.NET Core Web API
  • EF Core
  • MediatR
  • CQRS
  • AutoMapper
  • FluentValidation
  • Next.js
  • React
  • React Native
  • WPF
  • DevExpress
  • Microservices

Nguyen Tat Thanh University

Moodle Migration Tool

LMS course migration platform

A migration platform that transfers complete Moodle courses between LMS environments while preserving data integrity across complex entity relationships — courses, modules, grades, submissions, quizzes and attempts, SCORM packages, files and their database dependencies.

INTERNAL SYSTEM · NO PUBLIC REPOSITORY

Migration engine

  • Built an engine handling the lifecycle of Moodle courses across hundreds of relational tables.
  • Implemented ID-remapping so dependent entities correctly reference newly generated destination IDs.
  • Made migrations idempotent, resolving duplicate-data cases around quiz attempts so they can be re-run safely.
  • Ordered migration by entity dependency, so parents transfer before dependent records.

Two-tier architecture

  • WPF migration client for database migration, configuration and migration management.
  • ASP.NET Core REST API for server-side file synchronization and physical file management.
  • Implemented server-to-server Moodle file sync over SSH, rsync and REST.

Scheduling & management

  • Integrated Quartz.NET for scheduled migrations and recurring migration pipelines.
  • Built management UI with search, pagination, batch migration and deletion, history and CSV export.
  • Implemented controlled deletion and restore with metadata logging and source cleanup.
Architecture

A two-tier design. A WPF migration client handles database migration, configuration, scheduling and migration management. It calls an ASP.NET Core REST API responsible for server-side file synchronisation and physical file management over SSH and rsync. Both act on the destination Moodle MySQL database and its moodledata file storage.

  1. WPF migration client

    Migration engine, ID remapping, dependency ordering, scheduling, batch and history

    • .NET 8
    • WPF
    • MVVM
    • Quartz.NET

  2. ASP.NET Core REST API

    Server-side file synchronisation and physical file management

    • ASP.NET Core
    • SSH
    • rsync
    • Docker

  3. Moodle database + file storage

    Hundreds of related tables plus the moodledata file tree

    • MySQL
    • EF Core
  • C#
  • .NET 8
  • WPF
  • MVVM
  • ASP.NET Core
  • EF Core
  • MySQL
  • Quartz.NET
  • Docker
  • SSH
  • rsync

Experience

Where I've worked

Both roles are current and run concurrently.

  1. Full-stack Developer

    Jan 2025 – Present

    Nexacore Technology Company Limited

    Building and modernizing Nexacore ERP: backend APIs with ASP.NET Core, CQRS and MediatR; legacy jQuery to Next.js migration; a configurable approval workflow engine; and the DMS tracking module.

  2. Full-stack Developer

    Aug 2023 – Present

    Thanh Cong Textile Garment Investment Trading JSC

    Joined in August 2023, completing a two-month software development internship before moving into a full-time developer role. Supported internal legacy enterprise applications across the company until early 2024, which gave me hands-on exposure to manufacturing workflows and production support. Since early 2024, part of the core development team on the TC Shopfloor MES.

Skills

What I work with

Backend
  • C#
  • .NET Framework
  • .NET 5 / 6 / 8 / 9
  • ASP.NET Core
  • ASP.NET Core Web API
  • Entity Framework Core
  • LINQ
  • MediatR
  • CQRS
  • AutoMapper
  • FluentValidation
Architecture & integration
  • Microservices
  • REST APIs
  • Event-driven architecture
  • RabbitMQ
  • Background jobs
  • Enterprise system integration
  • ERP integration
  • Business workflow automation
  • Data synchronization
Database
  • SQL Server
  • MySQL
  • Relational data modeling
  • Query optimization
Frontend
  • React
  • Next.js
  • TypeScript
  • JavaScript
  • Ant Design
  • Material UI
  • AG Grid
Desktop & mobile
  • WPF
  • MVVM
  • DevExpress
  • React Native
DevOps & tools
  • Docker
  • Git
  • Jira
  • Quartz.NET
  • SSH
  • rsync

About

A backend-oriented full-stack developer

I'm a full-stack developer with a strong backend orientation, specializing in ERP, MES and enterprise business systems. My work runs across manufacturing, warehouse, sales, purchasing, HR, accounting, distribution and education environments.

I enjoy complex business and technical problems: enterprise workflows, business process automation, system integration, data synchronization and migration, production traceability, distributed systems, performance optimization and legacy modernization.

That covers most layers of software development — understanding business requirements, maintaining legacy enterprise applications, designing APIs, implementing backend services, building web, desktop and mobile interfaces, integrating external systems and optimizing production workloads.

Areas of expertise

ERP & enterprise systems
Developing and maintaining platforms supporting sales, purchasing, manufacturing, warehouse, HR, accounting and distribution workflows.
Manufacturing Execution Systems
Software used in real factory operations: production data collection, barcode systems, reporting, ERP integration and traceability.
.NET backend development
Backend applications with C#, ASP.NET Core, EF Core, Web APIs, background processing, messaging and enterprise business logic.
Workflow automation
Configurable multi-level approval workflows and reusable business process engines.
Enterprise system integration
Synchronization pipelines between MES, ERP, internal systems and external enterprise platforms.
Data migration
Complex relational migrations involving transactional ID mapping, dependency ordering, data integrity, idempotency and remote file sync.
Performance optimization
Database queries, enterprise search, large data retrieval screens, frontend rendering and web application loading performance.
Legacy modernization
Keeping enterprise applications running while gradually migrating them to newer technologies and architectures.

Education

University of Information Technology — VNU-HCM (UIT)

2020 – 2024

Bachelor of Science in Computer Science

Graduated with Good classification · GPA 8.11/10

Contact

Let's build something meaningful.

I'm particularly interested in .NET backend and backend-heavy full-stack roles — ERP and MES platforms, enterprise software, SaaS products, distributed systems, business process automation, enterprise integration and data-intensive applications.

trandgkhoa2602@gmail.com(+84) 973 911 670

Ho Chi Minh City, Vietnam