Backend
Robust server-side logic and API development.
- NestJSAdvanced
- .NETIntermediate
- ExpressAdvanced
- PythonIntermediate
Fullstack Developer
Nguyễn Thành An
“Craft clarity through code.”
I build scalable systems where logic meets real-world needs.
Philosophy
Balance & Structure
I focus on building scalable and reliable systems with an emphasis on clarity, structure, and long-term maintainability. My work centers around backend development, real-time systems, and AI integration, where each solution is designed to solve real-world problems efficiently.
Expertise
The Technical Arsenal
Frontend
Crafting immersive and performant user interfaces.
- Next.jsAdvanced
- ReactAdvanced
- TypeScriptAdvanced
- Tailwind CSSAdvanced
Database
Data modeling, replication strategies, and high-concurrency optimization.
- PostgreSQLAdvanced
- MongoDBAdvanced
- RedisIntermediate
- ElasticsearchBasic
Cloud & DevOps
Orchestrating resilient infrastructure and automated pipelines.
- AWSIntermediate
- DockerAdvanced
- TerraformIntermediate
- K8sBasic
Other
Communication protocols and AI integration capabilities.
- RESTful APIAdvanced
- WebSocket (SignalR)Intermediate
- Message Queue (RabbitMQ)Intermediate
- OpenAI API (LLM)Advanced
- Prompt CustomizationAdvanced
- TTSIntermediate
System Architecture
Mastering complexity through DDD, Clean Architecture, and micro-frontend patterns.
- MicroservicesAdvanced
- Event-DrivenAdvanced
- DDDIntermediate
Chronology
Professional Milestones
11/2024 - 04/2026
Software Engineer
ZENERGY SOFTWARE TECHNOLOGY COMPANY LIMITED
- Designed and developed a custom AI chat system using ASP.NET
- Core (.NET 8), integrating OpenAI API with support for multi-agent
- workflows, TTS, STT, and image generation
- Built backend services for enterprise chat and chat management
- systems, ensuring scalability and real-time processing
- Designed system architecture following microservices principles,
- improving scalability and maintainability
- Implemented multi-tenant architecture with isolated databases
- per organization
- Developed and optimized RESTful APIs and real-time features
- using WebSocket
- Designed and managed database schemas for high-performance
- and scalable systems
- Collaborated with frontend team (Next.js) to deliver APIs and
- support UI integration
- Participated in system analysis, architecture design, and
- technology selection
- Developed media processing tools using Python (FFmpeg),
- building automated pipelines for backend and AI integration
- Proactively researched and applied new technologies to improve
- system performance and development efficiency
02/2024 - 06/2024
Backend Developer
5S ENTERPRISE SOFTWARE SOLUTIONS COMPANY LIMITED
- Developed APIs using ASP.NET Core for web and mobile applications
- Maintained and optimized SQL/T-SQL queries for system performance
- Write apis that return json for app and web using .Net Core and .Net
- Famework
- Encrypt data by encoding the returned json data and parsing the
- stringify data
- Technology used: Asp.Net, .Net Famework, Web Application,Mssql
05/2023 - 11/2023
Fullstack Developer ( Remote )
HPC KIEN CUONG JOINT STOCK COMPANY
- Develop a warehouse management application for the
- company's cold storage branch
- Develop API for warehouse management app with NodeJS
- Push the app to CH Play and App Store for use.
- Technology used: React Native, Context, Axios , React
- Navigation, Express, Mssql
Academic
Education
FPT POLYTECHNIC
2021 - 2023
Computer Programmer
Recognition
Awards & Certifications
09/2023
Top 10 Mobile Challenges
FPT POLYTECHNIC
10/2023
Top 14 Hackathon Game Việt
FPT POLYTECHNIC
04/2024
ACADEMIC PREPARATORY ENGLISH Level 3 - Topnotch 2
FPT POLYTECHNIC
12/2025
Curation
Selected Case Studies
Vibe
Soundtrack of My Thoughts
Curated sounds for architectural deep work and creative flow.
Reading List
My Mindset
Software development is not just about writing code, but about solving real problems through well-designed systems. I focus on bridging practical engineering with adaptable and scalable solutions.
System DesignScalable ArchitectureReal-time SystemsAI IntegrationClean Code
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Open for architectural consultations, research collaborations, or a coffee chat about the future of tech.