Nguyen Xuan Thanh

Designing enterprise-grade systems with microservices, AI integration, and scalable architecture

Get To Know Me

About Me

Crafting digital experiences with passion, precision, and purpose

👋Hello, I'm Nguyen Xuan Thanh

A passionate Software Engineer (Backend) and Microservices enthusiast with 3+ years of experience designing enterprise-grade systems that scale.

I am skilled in system design, microservices, event-driven architecture, and AI systems. Proven ability to build scalable platforms integrating payments, AI agents, hardware control, and third-party services while maintaining resilience, observability, and clean architecture principles.

Beyond work, I love exploring emerging technologies, making side projects, and mentoring aspiring developers. I believe in continuous learning and staying at the forefront of technological innovation. I am a quick learner and I am always looking for new challenges and opportunities to grow.

Core Technologies

C#.NET(MVC, API, Aspire)JavaSpring BootNestJSTypeScriptDaprSemantic KernelSpring AIMyBatisSystem DesignMicroservicesEvent-DrivenCQRSAI-AgentRAGApache KafkaAWS SQSRabbitMQRedisSQLNoSQLVector DBDockerAWSAzure

Software Engineer (Backend)

Wala-ICT (DXODX)

April 2025 — Present

Designing enterprise backend systems with microservices, AI integration, and payment processing. Building scalable platforms across multiple domains with clean architecture principles.

Enterprise Systems

Backend Developer Intern

FPT Software

January 2024 — May 2024

Refactored legacy backend systems, migrated HR management systems into a unified enterprise platform, and gained hands-on experience with large-scale enterprise development standards.

Software Development

Let's Connect

look1692003@gmail.com

blacktify-dev.cloud

Ho Chi Minh City, Vietnam

Achievements

Experienced in Cutting Edge Technologies

Experienced in Backend Development

Levearing AI Integration

Available for Hire

Open to New Opportunities

Close to Relocation

Remote & On-site Available

Tech Arsenal

Technology Stack

Technologies I use to bring ideas to life

Backend

C#

Expert

.NET

Expert

Java

Intermediate

TypeScript

Beginner

Spring Boot

Intermediate

NestJS

Beginner

MAUI

Beginner

Architecture & Design & Practices

Microservices

Intermediate

System Design

Intermediate

CQRS

Intermediate

Clean Architecture

Intermediate

Vertical Slice

Intermediate

Event-Driven

Intermediate

RESTful API

Intermediate

Clean Code

Intermediate

SOLID Principles

Intermediate

DDD

Beginner

SOA

Intermediate

Transactional Outbox

Intermediate

Facade

Intermediate

Agentic AI

Intermediate

Many More

Beginner

Database & ORM & Message Broker & Cache

PostgreSQL

Intermediate

MSSQL

Beginner

MongoDB

Beginner

Entity Framework

Expert

Hibernate, JPA

Intermediate

Redis

Intermediate

RabbitMQ

Intermediate

Apache Kafka

Expert

MyBatis

Intermediate

AWS SQS

Beginner

Vector Database

Beginner

Cloud & DevOps

Azure

Intermediate

AWS

Beginner

Docker

Intermediate

Kubernetes

Beginner

Git

Expert

GitHub Actions

Intermediate

Dapr

Intermediate

Development Tools

Visual Studio

Expert

JetBrains Rider

Expert

IntelliJ IDEA

Expert

VS Code

Expert

AI Editor

Expert

AI & Frameworks

Semantic Kernel

Intermediate

Spring AI

Intermediate

RAG

Intermediate

Agent Framework

Beginner

Professional Journey

Experience

My professional journey and the impact I've made across different domains

April 2025 — Present

Software Engineer (Backend)

Wala-ICT (DXODX)

Designing and developing enterprise backend systems with microservices, AI integration, and payment processing across multiple domains.

Key Achievements

Designed and developed enterprise backend systems following many enterprise architectures

Implemented from monolithic to microservices enterprise system design to enable scalable, decoupled workflows and process concurrency processing

Built AI-powered assistant features using edge AI technologies, AI orchestration patterns, and vector databases for semantic retrieval

Integrated payment providers, third-party APIs, and external platforms into production-grade systems

Collaborated with cross-functional teams and clients to ensure reliability, security, and maintainability

Participated in technical interviews, evaluating backend engineering candidates on system design and problem-solving skills

Technologies & Skills

Microservices.NETSpring BootAISystem DesignPayment Integration

November 2024 — April 2025

Backend Developer

Wisky Company

Developed and optimized RESTful APIs with focus on system integration and payment processing.

Key Achievements

Developed and optimized RESTful APIs to integrate internal systems with Passio Coffee ecosystem

Implemented payment and invoicing integrations with VNPay and MISA for tax authority reporting

Maintained high-performance data mapping and transformation using Mapperly

Ensured clean code practices and test coverage for business-critical services

Technologies & Skills

RESTful API.NETMapperlyVNPayMISAIntegration

January 2024 — May 2024

Backend Developer Intern

FPT Software

Worked on improving and maintaining enterprise-level backend systems.

Key Achievements

Refactored legacy backend systems, improving maintainability and reducing API response times

Migrated multiple HR management systems into a unified enterprise platform

Gained hands-on experience with large-scale enterprise development standards

Technologies & Skills

Backend DevelopmentJava.NETAPI OptimizationCode Refactoring

Years Experience

10+

Projects Completed

10+

Technologies Mastered

Portfolio Showcase

Featured Projects

Discover my latest work in web development, AI integration, and digital innovation

Enterprise PlatformFeatured

CompletedOngoingAutomotive

STEK Automotive Ecosystem

Enterprise CRM & Film-Cutting Platform

STEK is a global automotive brand specializing in paint protection films (PPF), window tint, and vehicle customization solutions. Developed the core ecosystem backend powering STEK's film-cutting software and CRM platform used by automotive installers across 5 regions and 97 countries.

View Repository Live Demo

Key Features

Enterprise CRM backend serving 97 countries across 5 regions
Strict domain-level business logic and validation layers
Licensing control and compliance across regional operations
Dynamic processing and filtering across multiple countries
Real-time cutting operations support
High-throughput database operations optimization

Deliverables

Core ecosystem backend for film-cutting software
CRM platform for global distributors and installers
Plan, Subscription, Workspace, Pattern modules
MyBatis-optimized data access layer
Regional compliance and licensing system

Technology Stack

JavaSpring BootMyBatisPostgreSQLDockerAWS

Design Patterns

Domain-Driven DesignClean ArchitectureRepository PatternMulti-tenancy Pattern

AI PlatformAI-Powered

Completed3 monthsTravel

AI-Travel Platform

AI-Powered Travel Booking Platform

A travel booking platform designed to provide end-to-end travel planning, booking hotels, tours, flights, and payment experiences similar to Traveloka. Features an AI assistant with contextual semantic search and personalized recommendations.

View Repository Live Demo

Key Features

End-to-end travel planning and booking
AI assistant with Redis-based short-term memory
Vector database long-term memory for semantic search
RAG-enhanced AI responses and recommendations
Hotel, tour, and flight search and booking workflows
Payment processing and third-party integrations

Deliverables

Core backend services for hotels, tours, flights
Booking workflow and payment processing
AI assistant with contextual semantic search
RAG-powered recommendation engine
Third-party API integrations

Technology Stack

JavaSpring BootSpring AIRedisVector DatabasePostgreSQLDocker

Design Patterns

RAG PatternMicroservices ArchitectureEvent-Driven ArchitectureClean ArchitectureAI Orchestration Pattern

IoT / HardwareLocal-First

Completed2 monthsEnterprise

Photo-Kiosk System

Enterprise-Grade Photobooth Platform

An enterprise-grade photobooth platform designed for modern self-service kiosks operating in local and hardware-constrained environments. Features local-first .NET application for orchestrating camera, printer, payment devices, and CMS connectivity.

View Repository Live Demo

Key Features

Local-first architecture for hardware-constrained environments
Camera, printer, and payment device orchestration
Heartbeat monitoring and background workers
Offline resilience mechanisms
CMS connectivity for content management
High-performance mode for real-time operations

Deliverables

Local-first .NET kiosk application
Hardware orchestration system
Heartbeat monitoring system
Offline resilience layer
CMS integration module

Technology Stack

.NETCarterMinimal APIsDocker

Design Patterns

Vertical Slice ArchitectureMinimal API PatternBackground Worker PatternOffline-First PatternHeartbeat Pattern

E-LearningMigration

CompletedOngoingEducation

KEMS

E-Learning Platform Migration

An e-learning platform focused on migrating legacy .NET systems to Spring Boot 4 with strict business requirements, Windows Server hosting constraints, and PostgreSQL database. Modernized the architecture while preserving business logic integrity.

View Repository Live Demo

Key Features

Legacy .NET to Spring Boot 4 migration
Strict business logic preservation
Windows Server hosting optimization
PostgreSQL database design and migration
E-learning content management
Student progress tracking and assessment

Deliverables

Migrated backend from .NET to Spring Boot 4
PostgreSQL database architecture
E-learning management system
Windows Server deployment configuration
Business logic validation layer

Technology Stack

JavaSpring Boot 4PostgreSQLWindows ServerDocker

Design Patterns

Strangler Fig PatternClean ArchitectureRepository PatternMigration Pattern

Education PlatformFeatured

Completed6 monthsEducation

HighschoolVN

Comprehensive Learning Platform

A sophisticated learning platform designed to provide students with access to learning materials, track progress, and offer career road mapping with an intelligent recommendation system.

View Repository Live Demo

Key Features

Comprehensive learning platform with progress tracking
Career road mapping with recommendation system
Advanced flashcard system with optimization
Resilient system architecture handling real-world scenarios
High-performance data processing and caching
Comprehensive monitoring and logging system
Scalable microservices architecture
Event-driven system design

Deliverables

Complete learning management system
Recommendation engine for career paths
Optimized flashcard system
Resilient backend architecture
Monitoring and observability system
Deployment pipeline for Azure Container App

Technology Stack

.NET 8 - 9Apache KafkaYarp API GatewayDapr Sidecar.NET AspireNovuRedis CacheDockerPostgreSQLMongoDBAzure Container App

Design Patterns

Microservices ArchitectureEvent-Driven ArchitectureSidecar Pattern (Dapr)Listen to Your Self PatternCQRS Pattern (Logical)Clean ArchitectureCircuit Breaker PatternRetry PatternAPI Gateway Pattern (Yarp)Transactional Outbox PatternCDC Pattern(Debezium, Kafka Connect)

E-commerceFeatured

Completed2 monthsRetail

FishEcomerce

Online Fish Marketplace

A comprehensive online marketplace platform for fish, accessories, and related products, featuring optimized RESTful APIs and modern architectural patterns.

View Repository Live Demo

Key Features

Online marketplace for fish and accessories
Optimized RESTful API system
Efficient data access patterns
Separated read/write operations
Versioned API endpoints
Cloud-based image storage
Minimal API implementation
Modern web architecture

Deliverables

Complete e-commerce platform
Optimized RESTful APIs
Cloud-based image management system
Database optimization
API versioning system
Documentation and deployment guides

Technology Stack

ASP.NETCloudinaryAzurePostgreSQL

Design Patterns

CQRS PatternMediator PatternRepository PatternUnit of Work PatternSpecification PatternAPI Versioning PatternMinimal API Pattern

Demo ArchitectureCloud Native

Completed1 monthsOpen Source

DesignPatternAndArchitecture

Cloud-Native Demo .NET Application

A demonstration of modern cloud-native .NET application development, showcasing clean architecture, vertical slice patterns, and comprehensive DevOps practices.

View Repository Live Demo

Key Features

Cloud-native architecture
Clean Architecture implementation
Vertical Slice pattern
Comprehensive observability
Automated CI/CD pipeline
Modern DevOps practices
Scalable system design
Maintainable codebase

Deliverables

Cloud-native .NET application
Clean Architecture implementation
GitHub Actions CI/CD pipeline
System documentation
Deployment guides
Architecture patterns documentation

Technology Stack

.NET 9 - 10GitHub ActionsDevOps.NET AspireRedis CacheDockerPostgreSQLRabbitMQKafkaDapr(Pub/Sub, Service Discovery, State Management, etc.)KrakenDAzure Container App

Design Patterns

Clean ArchitectureVertical Slice ArchitecturePublish-Subscribe PatternCQRS Pattern (Logical)API Gateway Pattern (Yarp, KrakenD)Transactional Outbox PatternDependency InjectionInterface SegregationFanout Pattern

MicroservicesFeatured

In Progress1 monthsOpen Source

Ecommerce Spring Boot Microservices

Spring Boot Microservices Architecture

A comprehensive microservices-based ecommerce system built with Spring Boot, featuring modern architectural patterns, event-driven design, and robust infrastructure.

View Repository Live Demo

Key Features

Microservices Architecture
Event-driven design with Kafka
Service Discovery with Eureka
API Gateway with Keycloak integration
Distributed tracing and monitoring
Service to Service Communication (HTTP, gRPC, etc.)

Deliverables

Microservices-based ecommerce system
Service registry and configuration
User authentication and authorization
Product and order management
Event-driven order notification processing
System documentation and guides

Technology Stack

Java 17Spring Boot 3.5.0Spring CloudSpring SecurityPostgreSQLMongoDBKafkaHibernate, JPA, JDBCDaprEurekaKeycloakOpenTelemetry

Design Patterns

Microservices ArchitectureEvent-Driven ArchitectureEDA PatternCircuit Breaker PatternAPI Gateway PatternService Discovery PatternSidecar Pattern

Interested in working together? Let's create something amazing!

Professional Credentials

Certifications

Professional certifications and credentials that validate my expertise in modern technologies and development practices.

Verified

Project Management Principles and Practices Specialization

Provider:University of California, Irvine

Platform:Coursera

Issued:May 21, 2024

Skills Validated

Project ManagementLeadershipStrategic PlanningTeam Management

Verified

Software Development Lifecycle

Provider:University of Minnesota

Platform:Coursera

Issued:April 15, 2024

Skills Validated

SDLCSoftware DevelopmentProject ManagementQuality Assurance

Verified

User Experience Research and Design

Provider:University of Michigan

Platform:Coursera

Issued:March 10, 2024

Skills Validated

UX ResearchUX DesignUser TestingPrototyping

Verified

Computer Communications

Provider:University of Colorado System

Platform:Coursera

Issued:February 5, 2024

Skills Validated

NetworkingProtocolsData CommunicationNetwork Security

Verified

CertNexus Certified Ethical Emerging Technologist

Provider:CertNexus

Platform:Coursera

Issued:May 26, 2023

Skills Validated

Emerging TechnologiesRisk ManagementMedia RelationsOrganizational Leadership

Verified

Academic English: Writing

Provider:University of California, Irvine

Platform:Coursera

Issued:May 26, 2023

Skills Validated

Style GuidesVocabularyGrammarWriting and Editing

6 Professional Certifications

Verified by Industry Leaders

Contact

Let's Work Together

Ready to bring your ideas to life? I'm always excited to work on interesting projects and collaborate with amazing people. Let's create something extraordinary together.

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