Full-Stack Developer & Content Creator

Hello, I'm DavidHE

Over 3 years of full-stack development experience, specializing in building large-scale, high-performance, and scalable web applications. Combining digital content creation and media experience to deliver comprehensive solutions.

  • Full-Stack Development
  • AI Tools & Ecosystem
  • Content Creation
  • Digital Media
3+ Years Experience
10000 Followers
Full-Stack Developer
Abstract 3D illustration representing innovation

Crafting Digital Excellence

Over 3 years of full-stack experience, specializing in building large-scale, high-performance, and scalable web applications. Comfortable across the entire product lifecycle—from front-end interface design to back-end business logic and databases—across multiple technology stacks.

DavidHE professional portrait ✨ Full-Stack Developer

Dedicated to User-Centered Innovation

I build large-scale web applications with strong performance and scalability. I combine solid engineering with hands-on digital content experience to deliver end-to-end, effective solutions.

Personal Information:
My name is Nguyen Dai Hoang, and I am currently a 3rd-year student majoring in Information Technology at the International Training Institute of Thai Nguyen University of Information and Communication Technology (ICTU).

Full-Stack AI Tools Content Creator

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Core Principles

  • Simplicity & elegance in design
  • User empathy & accessibility
  • Scalable, maintainable code
  • Continuous learning & adaptation

"I believe in creating software that solves real problems while elevating user satisfaction."

Hobbies

Quiet street at sunset
Minimal desk setup by the window
Morning coffee and sketchbook
Running in misty park
Reading corner at night
Cozy coffee shop
Mountains and lake view
Creative desk with drawings
Creative 9
Creative 9
Running in misty park
Running in misty park
Running in misty park
Running in misty park

Technical Proficiency

Full-stack Web Development

Over 3 years of full-stack experience, specializing in large-scale, high-performance, and scalable web apps.

  • HTML5/CSS3
  • JavaScript/ES6+
  • Next.js (Basic)
  • APIs (integration, consumption & design)
  • Python
  • .NET Core (C#)
  • RESTful APIs
  • SQL (DB design & queries)
  • Docker
  • AWS (basic cloud services)
  • CI/CD (Basic)
  • Performance Tuning

AI Tools & Ecosystem

Using modern AI tools to accelerate development and improve product quality.

  • Visual Studio Code
  • Visual Studio 2022
  • Cursor (AI Assistant)
  • GitHub Copilot / Tabnine
  • Claude (LLM)
  • Grok (LLM)
  • GPT (LLM)
  • Gemini (LLM)
  • Google AI Studio

Digital Content Creation & Media

Hands-on experience building a personal brand and engaging audiences on digital platforms.

  • TikTok (9K+ Followers)
  • CapCut (quick editing)
  • Content strategy
  • Streamer / YouTuber
  • Adobe Premiere Pro
  • Photoshop (Thumbnail/Image Design)
  • MC at TNTV
  • Scriptwriting
  • Media content creation

Work

Cờ Tướng GenZ
GAME · React, Next.js

Cờ Tướng GenZ — Modern Chess

IELTS Pro
EDUCATION · React, Next.js, Tailwind

IELTS Pro — Exam Prep Platform

Ice Tea
WEB DESIGN · React, Vite, CSS

Ice Tea — Tea Culture Web

Game Vui Dòng Tiền
GAME · Phaser, JavaScript

Game Vui Dòng Tiền VN

HE Coffee
SYSTEM · Python, JS

HE Coffee — Cafe Management App

LearnLangs
AI EDUCATION · C#, .NET, Blazor

LearnLangs — Language App

typingtest
TOOL · Python, JS

typingtest — Typing Practice App

Latest Articles

The Clean Code Bible
Engineering · 25 min read

The Clean Code Bible: The Definitive Guide to Engineering Excellence

Warren Buffett Investment Mindset
Finance · 8 min read

Market Truths Unveiled: 5 Life-Changing Mindsets from Warren Buffett

Zero to One - Peter Thiel
Engineering · 6 min read

Zero to One: Don't Become an "Obsolete" Version of Someone Else

Customer disruption
Inspiration · 5 min read

Don't Blame Technology: Is the Customer Disrupted Your Business?

Scientific Conference
News · 4 min read

Honored to Attend and Participate in National Scientific Conference

Achievement Unlocked: Second Prize Winner
Engineering · 3 min read

[Achievement Unlocked] Proud Winner of the Second Prize! 🥈

Specialized seminar
Research · 5 min read

Seminar: Advanced Technology Applications in Biomedical Science

Immersing in AI with Dr. Lin
Inspiration · 6 min read

From Student to Discussion Partner: Immersing in AI with Dr. Lin (FCU)

MC Experience
Media · 7 min read

MC Experience at Thai Nguyen Newspaper and Television Broadcasting

English Club President
Experience · 5 min read

My Journey as English Club President

Game Development

Cờ Tướng GenZ — Modernizing a Classic

How can we make a centuries-old game appeal to the TikTok generation? That was the core challenge behind Cờ Tướng GenZ.

Cờ Tướng GenZ

This project isn't just about the rules of chess; it's about the experience. By combining a vibrant GenZ aesthetic with smooth animations and a responsive interface, we've transformed the traditional Chinese Chess into something fresh and exciting.

Key Features

  • Modern UI/UX with neon accents.
  • Real-time gameplay logic.
  • Mobile-first responsive design.
Education Tech

IELTS Pro — Your Digital Learning Companion

Mastering IELTS requires more than just books; it requires an interactive environment that tracks your progress and sharpens your skills.

IELTS Pro

IELTS Pro was designed to simplify the preparation process. From simulated listening tests to reading modules, every feature is optimized for student success. The platform uses Next.js for lightning-fast performance and a clean UI to keep learners focused on what matters.

Web Design & Culture

Ice Tea — A Digital Journey into Tea Culture

Tea is not just a drink; it's a culture. This web experience was built to celebrate that heritage in a modern digital space.

Ice Tea Culture

The goal of Ice Tea Web was to create an atmosphere of tranquility. Through minimalist design, soft typography, and elegant imagery, the site invites visitors to explore premium tea varieties and the stories behind them.

Edu-Gaming

Game Vui Dòng Tiền — Financial Wisdom for Vietnam

Why is financial literacy so hard to teach? Because it needs to be fun. This game makes managing money an adventure.

Game Cash Flow

Inspired by the classic Cashflow game but tailored specifically for the Vietnamese market, this project helps players understand investment, saving, and wealth management through a fun, interactive simulation.

Finance & Wisdom

Market Truths Unveiled: 5 Life-Changing Mindsets from Warren Buffett to Make Your Money Work for You

Did you know that a single Class A share of Berkshire Hathaway, led by Warren Buffett, now costs over $600,000—equivalent to nearly 15 billion VND? Over the past 60 years, their return has reached a staggering 5.5 million percent.

The stock market is not a coin-toss game for gamblers. From the perspective of value investing, here are 5 "peak" mindsets from the Oracle of Omaha that can shatter illusions of quick wealth and help you build a real fortune.

Warren Buffett Value Investing Philosophy
"Price is what you pay, value is what you get."

1. Think Like a "Bargain-Hunting Housewife"

Warren Buffett has an iron rule: "Price is what you pay, value is what you get." Your mission is to buy stocks when their price is significantly lower than their intrinsic value.

It sounds easy, but 90% of investors do the opposite! When you go shopping for clothes or food and see a "Sale off" sign, you rush in. Yet in the stock market, when good stocks are being sold off at bargain prices, the crowd panics and sells at a loss; when prices skyrocket to the peak, they excitedly jump in. Stay sharp: The ultimate rule is to buy low and sell high!

2. Stop the Overnight Wealth Illusion: "Patience is a Virtue"

Many enter the market with a "grab-and-go" mentality, wanting to force a business to yield double-digit profits in just a few days. That is not investing; that is gambling! Rushing to get rich only leads to mistakes or even bankruptcy.

Buffett struck a decisive blow to this mindset with a witty but harsh analogy: "No matter how great the talent or efforts, some things just take time. You can't produce a baby in one month by getting nine women pregnant."

🔥 Practical Tip: If you're new, don't throw a massive amount of money in at once. Patiently test the waters with $20-$40 (500k-1M VND) every month for at least 3 to 4 years before increasing your capital.

3. Don't Try to Jump a 7-Foot Bar; Step Over 10 8-Inch Steps!

Do you think having a modest salary or not having a 160 IQ like Newton means you can't get rich? Wrong! In fact, even Newton once lost his fortune due to the madness of the stock market.

Buffett points out: "You don't need to do extraordinary things to get extraordinary results." Instead of trying to jump a 7-foot bar and risking a broken leg, walk through 10 steps, each only 8 inches high, in a steady manner—slow but sure. Opportunity is for everyone; you just need to consistently do the simple things well.

4. Master Your Emotions: When to be Greedy, When to be Fearful?

The classic mantra everyone knows: "Be greedy when others are fearful and vice versa." But the crowd usually gets it backwards!

You shouldn't blindly "buy the dip" just because a stock dropped for one session, nor should you panic-sell when the market just starts to recover. The secret lies in Valuation:

  • Be greedy and accumulate stocks when others are in absolute panic, provided that the asset's valuation is extremely cheap.
  • Be fearful and withdraw when others are overly euphoric, pushing valuations to ridiculously expensive levels.

5. Risk Management: "Only When the Tide Goes Out..."

In an uptrend, everyone claims to be an expert because almost everything they buy turns a profit. But only when the market crashes (the tide goes out) do you find out who has actually been keeping their money. Unskilled "surfers" who ignore risk management will be swept away completely.

🔥 Practical Tip: During "harvest season" when the market is at its peak of euphoria, know when to take profits to protect your gains. Move some of that profit into gold, safe bonds, or bank deposits. Why? So that when the market crashes and stocks go on "clearance sale," you have the cash ready to go "shopping."

"Investing is the only business where customers run out of the store when items go on sale."

CONCLUSION: DON'T WAIT TO BE RICH TO INVEST

If you rationalize that "My salary is only $200 a month, barely enough to live, how can I invest?", you will stay poor forever. Whether your income is high or low, discipline yourself to set aside a portion—even if it's just $5 or $10 a month—to start. Keep going, keep accumulating, and keep learning every day. Once you expand your knowledge, the most "insane" doors of opportunity will naturally open before your eyes!

Business & Philosophy

Zero to One: Don't Become an "Obsolete" Version of Someone Else

In the world of business and personal development, we are often spoon-fed a very safe mindset: Look at what others are doing successfully and do it again, but slightly better. Open a more beautifully decorated café, create a smoother app, or try to compete for 1% of a massive market.

Zero to One - Peter Thiel philosophy
Peter Thiel: "Competition is for losers."

But after finishing "Zero to One" by Peter Thiel, I realized that mindset is actually a trap. Peter Thiel threw a splash of cold water on traditional business teachings by declaring: "Competition is for losers."

The Paradox of Competition

We have been obsessed with competition since our school days. Grades, rankings, prestigious universities... it all trains us to become warriors excellent at defeating others to win identical rewards. The consequence is that when we enter the real world, startups also dive into tearing each other apart in bloody "red oceans," only for profits to be eroded to zero.

Reflecting on this, Thiel's philosophy of "Going from 0 to 1" is profoundly deep. Why dive into opening the 100th social network when you can create something that never existed before? True value does not lie in beating your competitors, but in reaching monopoly by solving a unique problem that no one else can. Monopoly, in a positive sense, is the reward for those who dare to innovate.

Life is Not a Lottery

One of the chapters that made me think the most is "You are not a lottery ticket". Nowadays, people often attribute the success of Bill Gates or Mark Zuckerberg to luck, circumstances, or "being at the right time." Our generation is suffering from "indefinite optimism"—believing the future will be better, but having no specific plan, only trying to accumulate many general skills to "play it safe."

Thiel reminds us: You cannot diversify your own life. You have only one life, one future. Applying "intelligent design" thinking instead of leaving it to the random "evolution" of circumstances is the only way to create quantum leaps.

A Lesson for Each of Us

Even if you don't dream of building a billion-dollar startup, the philosophy of "Zero to One" still applies perfectly to building a personal brand and career. Don't try to be a "well-rounded" but mediocre employee. Find your own "secret"—a niche field, a specialized skill that few care about, then become the best and most unique in that area.

"The path from 0 to 1 is a lonely one, going against the crowd. But as author Peter Thiel said, it's the only way we can not only make the future different but also make it better."

The future doesn't just happen; it's waiting for us to create it. Everything great starts with a first step, going from a round zero to reach the unique number one.

Business & Strategy

Title: Don't Blame Technology, Customers Are the Ones "Disrupting" Your Business Model!

We live in an era where terms like "digital transformation," "AI," or "Blockchain" are ubiquitous. When an industry "giant" falls, financial articles immediately conclude: "They were too slow in adopting technology!" But is that really the truth? Nokia or Borders invested mountains of money into R&D and e-commerce, achieved countless innovation awards, yet still perished. Why?

Customer comparing prices inside an electronics retail store
Are your customers skipping the checkout line to buy online while in your store?

The Real Enemy Is Not Your Competitor's Tech

The book Unlocking the Customer Value Chain by Thales S. Teixeira delivers a heavy blow to the conventional thinking of business leaders: The real enemy is not the competitor's technology, but the shift in customer behavior.

The concept of "Decoupling" (Separating the value chain) in the book truly made me stop and reflect. Think about our own shopping habits. How many times have you walked into a high-end electronics store, admired a curved-screen TV, listened to the enthusiastic sales consultant, and then... pulled out your phone to order that exact model on Shopee or Amazon because it was cheaper?

This behavior (known as showrooming) completely severs the "product discovery" phase from the "payment" phase that traditional retailers spent immense effort building.

The Biggest Mistake of Legacy Companies

The greatest mistake long-standing companies make is designing their business based on the resources they possess, forcing the customer to play by their rules. They obsess over competitors (because competitors are few and easy to see), while forgetting to monitor millions of customers silently changing their preferences every day.

When customers realize they are spending too much "time" and "effort" (not just money), they will immediately leave when a small startup appears, offering a more convenient, decoupled option.

The Core Lesson: Clear the Path

So, what is the core lesson here? Innovation is not about adding cumbersome technological features. Innovation means clearing the path, removing the friction in the customer's experience. Instead of getting angry and trying to "trap" consumers with complex contracts, businesses need the courage to "proactively decouple" themselves.

Best Buy achieved this successfully when they stopped trying to be a pure retailer and pivoted to charging electronics brands a fee to turn their stores into premium exhibition spaces.

Finding Your Missing Link

You don't need to create an entirely new product to be successful. Sometimes, all you need to do is look at your industry's current value chain, find a loose link that is frustrating users, and provide a smoother solution.

So, in your industry, which "link" is costing your customers the most time and effort? That might just be the next goldmine waiting for you to uncover!

Research & Technology

Specialized Seminar: Advanced Technology Applications in Biomedical Science and Artificial Intelligence

On September 22, Thai Nguyen University of Information and Communication Technology (ICTU) successfully organized an important specialized seminar, marking academic and research collaboration with experts from the Department of Electronic Engineering and Computer Science at Hong Kong Metropolitan University (HKMU).

The event attracted the enthusiastic participation of leadership, faculty, researchers, and students from ICTU, creating a vibrant and highly practical academic exchange atmosphere.

Specialized seminar at ICTU - Overview
The specialized seminar at ICTU with enthusiastic participation from faculty and students

✨ Core Content: The Intersection of Technology and Medicine

The seminar focused on two research areas that are among the world's top priorities:

1. Advancing 3D Ultrasound Tools for Carotid Atherosclerosis: Transforming Clinical Trials with Novel Biomarkers and Automation

Speaker: Dr. Shirley CHEN, Senior Lecturer, HKMU.

Dr. Shirley Chen presenting on 3D Ultrasound
Dr. Shirley Chen presenting on advanced 3D Ultrasound technology

Key Highlights: Dr. Shirley Chen's presentation focused on integrating advanced 3D Ultrasound technology with Automation algorithms. This approach not only improves the accuracy and efficiency of medical imaging diagnostics but also provides novel biomarkers for evaluating and monitoring carotid atherosclerosis, thereby optimizing clinical trials.

2. Leveraging Quantum Machine Learning to Classify Biosignals for Disease Detection

Speaker: Assoc. Prof. Dr. Kevin HUNG King Fai, Head of Department, HKMU.

Assoc. Prof. Dr. Kevin Hung presenting on Quantum Machine Learning
Assoc. Prof. Dr. Kevin Hung introducing Quantum Machine Learning

Key Highlights: Prof. Kevin Hung introduced the breakthrough potential of Quantum Machine Learning (QML). QML, with its ability to process complex data on a large scale and at higher speeds than classical computers, is being applied to analyze biosignals. This research opens new pathways for early and accurate detection of various diseases, demonstrating the indispensable role of quantum physics and AI in modern medicine.

Discussion and exchange scene at the seminar
Enjoying and learning directly from leading experts.

🤝 The Importance of International Collaboration

The seminar served not only as a platform for sharing specialized knowledge but also as an opportunity to strengthen the collaborative relationship between ICTU and HKMU—a public university in Hong Kong renowned for its applied training and research programs.

The event successfully facilitated international academic connections, creating an environment for Vietnamese researchers, faculty, and students to directly access world-leading technological trends in Information Technology and Biomedical Science. This provides a solid foundation for developing high-quality human resources capable of integration and contributing to the nation's scientific and technological development.

Group photo of faculty, Dr. Lin, and students
The group photo captures the wonderful learning spirit and the tight academic cooperation between ICTU and HKMU.
Student Life

My Journey as English Club President

This is a comprehensive article compiling the memories from my time as President of the English Club at ICTU. A journey filled with challenges, achievements, and unforgettable moments that shaped not just my leadership skills, but also my personal growth.

1. Introduction - The Beginning

Stepping into the role as English Club President was both an honor and a significant responsibility. I remember the mix of excitement and nervousness that filled me during my first official meeting. Taking on this leadership position meant I would be responsible for organizing events, managing a diverse team, and representing our club at various competitions and activities.

The first official meeting was a moment I'll never forget. Standing in front of the members, I felt the weight of expectations but also the thrill of new possibilities. It was the beginning of a journey that would teach me invaluable lessons about leadership, teamwork, and personal growth.

First official meeting as English Club President
The Beginning Moment – Full of Passion and Expectation.

2. Building the Foundation

The early days were all about building connections and establishing a strong foundation for the club. Our early club meetings focused on team bonding activities that brought members closer together. We organized fun games and interactive sessions that not only improved English skills but also created lasting friendships.

Learning to lead and manage a diverse team was one of my first challenges. Each member brought unique perspectives and talents, and it was my responsibility to create an environment where everyone felt valued and motivated. Through these early activities, I began to understand the true meaning of collaborative leadership.

Team bonding activities and club meetings
Early club meetings with fun games and team bonding activities.

3. Major Achievements & Competitions

A. English Festival 2024-2025

One of the most memorable achievements was leading our team to compete at Thai Nguyen University. The English Festival 2024-2025 was a significant event that brought together English clubs from various universities. The competition was intense, but our team's dedication and preparation paid off.

We won the consolation prize, receiving 1,500,000 VND. But more than the prize money, the pride of representing ICTU on the red carpet was an unforgettable experience. Standing there with my team, I felt immense pride in what we had accomplished together.

First official meeting as English Club President
First official meeting as English Club President
First official meeting as English Club President

B. Awards & Recognition Ceremony (2023-2024)

The Awards & Recognition Ceremony for the 2023-2024 academic year was a moment of celebration for our entire team. Receiving awards for club excellence was a testament to the hard work and dedication of every member. Standing with the entire team as we were honored was a moment that reinforced the importance of collective effort.

First official meeting as English Club President

C. Olympic Tiếng Anh ICTU 2024

Organizing the Olympic Tiếng Anh ICTU 2024 was one of the largest responsibilities I undertook as President. This major English competition required months of planning, coordination, and teamwork. Seeing so many students participate and excel in the competition was incredibly rewarding. The event not only showcased the English skills of ICTU students but also strengthened the English learning community at our university.

First official meeting as English Club President

D. STAR Awards 2024

Another significant achievement was our participation in the STAR Awards 2024. We competed in the "Young Generation - Healthy Lifestyle for a Healthy Heart" category, which required us to create meaningful content about health and wellness. Once again, our team's efforts were recognized with another consolation prize win of 1,500,000 VND.

Presenting alongside talented teammates was an experience that taught me the value of collaboration and mutual support. Each team member contributed their unique strengths, creating a presentation that was both informative and engaging.

First official meeting as English Club President

E. T.E.C Spell-Off Competition

The T.E.C Spell-Off Competition was a fun and challenging experience that tested our spelling skills and quick thinking. While it was a lighter competition compared to others, it provided valuable opportunities for members to practice and improve their English vocabulary in a competitive yet friendly environment.

Major competitions and achievements
Major events and competitions – where we connected and shined.

4. Special Events & Cultural Activities

A. Colourful ICTU 2025

Colourful ICTU 2025 was one of the most vibrant events we organized. This cultural celebration brought together international guests and students from various backgrounds. We organized interactive games and meaningful exchanges that celebrated cultural diversity and created a vibrant, inclusive community.

The event was a beautiful representation of how language and culture can bring people together. Seeing students from different countries and backgrounds connect through English and shared activities was truly inspiring. It reinforced my belief in the power of cultural exchange and inclusive leadership.

Major competitions and achievements
Major competitions and achievements
Major competitions and achievements

B. Vietnamese Teachers' Day Celebration

The Vietnamese Teachers' Day Celebration was a heartfelt event where we honored our mentors and advisors. Organizing this celebration was particularly meaningful as it allowed us to express our gratitude to the teachers who had supported and guided us throughout our journey.

The gift-giving and appreciation activities created a warm atmosphere that strengthened the bond between students and teachers. It was a reminder that leadership is not just about organizing events, but also about fostering meaningful relationships and showing appreciation to those who support us.

Major competitions and achievements
Major competitions and achievements

5. Growth & Lessons Learned

My time as English Club President was a period of tremendous personal and professional growth. One of the most significant improvements was in my public speaking skills. Leading meetings, presenting at competitions, and speaking at various events helped me become more confident and articulate in expressing my ideas.

Event management and organization became second nature to me. From planning small weekly activities to organizing major competitions, I learned to balance multiple responsibilities, manage timelines, and coordinate with various stakeholders. These skills have proven invaluable in both my academic and professional life.

Perhaps the most important lesson was about teamwork and collaboration. Leading a diverse team taught me that the best results come from leveraging each member's unique strengths. I learned to listen, delegate effectively, and create an environment where everyone felt empowered to contribute.

Handling pressure and responsibility was another crucial skill I developed. There were moments of stress and uncertainty, but these challenges taught me resilience and problem-solving. I learned that leadership is not about having all the answers, but about finding solutions together with your team.

Major competitions and achievements
Major competitions and achievements

6. Conclusion - Memories That Last

Looking back on my journey as English Club President, I am filled with gratitude for all the experiences, challenges, and achievements. The memories we created together – from the excitement of our first meeting to the pride of winning competitions, from organizing cultural events to celebrating with teachers – these are moments that will stay with me forever.

This journey was not just about leading a club; it was about personal transformation, building lasting friendships, and contributing to a community that values learning and growth. The skills I developed, the relationships I built, and the memories I created have shaped who I am today.

To all the members, advisors, and supporters who were part of this journey – thank you. These memories are not just mine; they belong to all of us who shared in this incredible experience. The English Club will always hold a special place in my heart, and I am proud to have been part of its story.

Major competitions and achievements
AI & Research

From Student to Discussion Partner: Immersing in AI with Dr. Lin (FCU) at ICTU

That afternoon at ICTU was truly a memorable milestone for me and my fellow technology enthusiasts. The specialized seminar, "Artificial Intelligence Research Experience Sharing: Embedded Devices and Image Processing," featuring Dr. Feng Cheng Lin from Feng Chia University (FCU), Taiwan, was not merely a lecture but a high-level dialogue about the future of AI.

Dr. Lin conveyed in great detail the technical challenges of "embedding" complex AI models into devices with limited memory and power. This is precisely the point of convergence between theory and practical application that I and many engineering students are constantly seeking.

Dr. Feng Cheng Lin passionately shares strategies for optimizing AI models
Dr. Feng Cheng Lin passionately shares strategies for optimizing AI models, opening new directions for smart devices.

💬 The Dialogue Moment: Moving Beyond Textbook Theory

The part I anticipated the most—and the part I actively participated in—was the Q&A session. After learning about the techniques of Model Pruning and Quantization, I took the initiative to pose a question about the feasibility of deploying specific image processing algorithms in a real-time environment.

For me, asking a question was not just about satisfying a personal curiosity; it was an opportunity to validate that what we are learning in school can be directly applied to the most cutting-edge research.

Student actively engaging in Q&A session
I myself am actively engaging in the Q&A, representing the deep interest of ICTU students in the practical application of AI. That was the moment we transitioned from learners to discussion partners.

🤝 Academic Connection and Personal Vision

Directly participating in this discussion has given me a profound insight into future research directions. This seminar is clear proof of the importance of international cooperation in education and research.

Photo with Dr. Lin
Enjoying and learning directly from leading experts.

This is a valuable memory, a great motivation for me and my peers to continue striving in the field of AI.

The seminar is not only a place for knowledge sharing but also a bridge for a generation of Vietnamese engineers ready to tackle global technological challenges.

Group photo of faculty, Dr. Lin, and students
The group photo captures the wonderful learning spirit and the tight academic cooperation between ICTU and FCU.
Achievement

[Achievement Unlocked] Proud Winner of the Second Prize! 🥈

I am thrilled to share that my team and I have officially taken home the Second Prize at the finals of the "Developing AI-Integrated Applications in Education 2025" competition, hosted by the Faculty of Information Technology at ICTU.

Close-up of the Giải Nhì placard
The Second Prize (Giải Nhì) award - A proud moment of recognition for our hard work.

This journey has been incredible. Integrating Artificial Intelligence into education is more than just a technological trend; it's about creating practical solutions that truly enhance the teaching and learning experience. This award is a wonderful validation of our team's hard work and research over the past few months.

Team photo holding certificate on stage
Celebrating our achievement on stage with the certificate - a moment of pride and accomplishment.

I want to extend a huge thank you to the organizers for creating this intellectual playground, our mentors for their guidance, and especially my amazing teammates for their dedication. This achievement is a huge motivation for me to continue innovating in the EdTech space.

Large group photo with all participants
Group photo with all participants, organizers, and mentors - celebrating innovation in AI and Education.

Here's to the next milestone! 🚀

New Research

Honored to Attend and Participate in National Scientific Conference

I was honored to be invited to attend and participate in the National Scientific Conference: "Multi-document Summarization Solutions using Pre-trained Language Models and Deep Learning and Applications in Education".

The conference brought together researchers, academics, and professionals working on cutting-edge solutions in natural language processing, AI, and their applications in educational settings. It was an inspiring platform to learn about the latest developments in multi-document summarization techniques and their potential impact on education.

During the event, I had the opportunity to engage with research related to digital technology in architectural reconstruction and simulation at the Cat Tien National Archaeological Site. This research explores how digital technologies can be applied to preserve and reconstruct cultural heritage, particularly ancient architectural structures.

Photo with conference banner
Photo with the conference banner at the National Scientific Conference.

Here are some photos from the conference:

Group photo with conference delegates
Group photo with conference delegates and participants.
Photo with supervising Associate Professor
Photo with my supervising Associate Professor at the conference.

I'm grateful to the organizers for creating this valuable platform for academic exchange and to all the participants for the insightful discussions. This experience has been inspiring and motivates me to continue exploring innovative applications of technology in various fields.

Experience Media

MC Experience at Thai Nguyen Newspaper and Television Broadcasting

I had the incredible opportunity to work as an MC for Thai Nguyen Newspaper and Television Broadcasting, where I embarked on a fascinating cultural journey exploring traditional Vietnamese heritage through various immersive experiences.

Experiencing Traditional Then Music

One of the most memorable experiences was learning about and experiencing the traditional Then music. Then is a unique form of folk music from the northern mountainous regions of Vietnam, characterized by its distinctive stringed instruments and melodic storytelling. I had the privilege of meeting with traditional performers who shared their knowledge and passion for this beautiful art form.

Experiencing traditional Then music
Learning about traditional Then music with local performers and cultural experts.
Then music performance at Thai Nguyen Radio and Television
Capturing the Then music performance during the MC program.
Traditional Then music cultural experience
Immersing in the traditional Then music cultural experience.

The performers, dressed in traditional attire, played their instruments with such skill and emotion, transporting us to a different time. It was a profound experience to witness this living cultural heritage and understand its significance in preserving Vietnamese traditions.

Exploring Tea Culture Space

Another highlight was experiencing the traditional tea culture space. Vietnam has a rich tea culture, and I had the chance to participate in a traditional tea ceremony in a beautifully designed wooden tea house. The setting was warm and inviting, with wooden paneling, traditional decorations, and shelves displaying various tea products.

Traditional tea culture space experience
Exploring the traditional tea culture space with its beautiful wooden design and cultural atmosphere.

During the tea ceremony, I learned about different types of Vietnamese tea, the proper way to brew and serve tea, and the cultural significance behind each gesture. It was a meditative and educational experience that deepened my appreciation for Vietnamese tea culture and its role in social bonding and hospitality.

Enjoying traditional tea ceremony
Participating in a traditional tea ceremony and enjoying the authentic tea experience.

Making Traditional Mooncakes

One of the most hands-on and enjoyable experiences was learning to make traditional mooncakes. Mooncakes are an essential part of the Mid-Autumn Festival in Vietnam, and making them from scratch was both challenging and rewarding.

Enjoying tea and making mooncakes
Combining the tea ceremony experience with traditional mooncake making.
Learning to make traditional mooncakes
Hands-on experience learning to make traditional mooncakes.

Under the guidance of experienced artisans, I learned the intricate process of preparing the dough, creating the fillings, and shaping the mooncakes with traditional molds. The process required patience and precision, but the result was delicious mooncakes that carried both flavor and cultural meaning. It was wonderful to connect with this traditional craft and understand its importance in Vietnamese celebrations.

Reflections on the Experience

Working as an MC for Thai Nguyen Newspaper and Television Broadcasting provided me with unique opportunities to explore and share Vietnamese culture. Each experience - from the melodic Then music to the serene tea ceremonies and the hands-on mooncake making - enriched my understanding of Vietnam's cultural heritage.

These experiences reminded me of the importance of preserving and promoting traditional culture in the modern world. As an MC, I had the privilege of bringing these cultural treasures to a wider audience, helping to bridge the gap between tradition and contemporary media.

I'm grateful to Thai Nguyen Newspaper and Television Broadcasting for this incredible opportunity and to all the cultural experts, performers, and artisans who shared their knowledge and passion with me. This journey has been both professionally enriching and personally meaningful.

Watch the programs directly:

Engineering Excellence

The Clean Code Bible: The Definitive Guide to Engineering Excellence

In the world of software development, code is never just a set of instructions for a machine. It is a medium of communication between human beings. As Uncle Bob famously stated: "Clean code is code that has been taken care of."

Clean Code Engineering Excellence
"Leave the campground cleaner than you found it." — The Boy Scout Rule

The Philosophy: Why Clean Code Matters?

Every year, billions of dollars are lost to "technical debt." When we rush to meet deadlines, we often leave a trail of "dirty" code. Productivity crashes, and the team becomes afraid to touch the codebase. Clean code is not just a preference; it is a professional requirement for sustainable software.

1. Meaningful Names: The Art of Lexicon

Naming is the most frequent decision a developer makes. A name should answer why it exists, what it does, and how it is used.

  • Use Intention-Revealing Names: `int elapsedTimeInDays;` is better than `int d;`.
  • Avoid Disinformation: Don't use names like `accountList` unless it's actually a List.
  • Danh từ cho Lớp, Động từ cho Hàm: `Customer` (Class) vs `save()` (Function).

2. Functions: The Atomic Units of Logic

The first rule of functions: **They should be small.** The second rule: **They should be smaller than that.**

  • Do One Thing: If a function handles validation AND database saving, it's doing too much.
  • Stepdown Rule: Code should read like a top-down narrative.
  • No Side Effects: Functions shouldn't secretly change system states.

3. Comments: The Admission of Failure

"Don’t comment bad code—rewrite it." Comments are often used to compensate for our failure to express intent through code.

"The proper use of comments is to compensate for our failure to express ourself in code." — Uncle Bob

4. Error Handling: Maintaining the Flow

Error handling is necessary, but it must not obscure logic.

  • Use Exceptions over Return Codes: Throwing exceptions keeps the "happy path" clean.
  • Don't Return Null: Returning `null` forces the caller into a maintenance burden of constant checks.

5. The "S.I.N.G.L.E" Responsibility Principle (SRP)

A class should have one, and only one, **reason to change**. god-classes that do everything are the primary cause of architectural decay.

🔥 The Master Key:

Always follow the Boy Scout Rule: Leave the codebase cleaner than you found it. One small refactor today prevents a massive disaster tomorrow.

Conclusion: The Craft of Professionalism

Writing clean code is an ongoing discipline. It requires continuous refactoring, rigorous testing, and a deep sense of craftsmanship. Elevate your code from a mere set of instructions to a scalable, maintainable, and elegant piece of engineering.

Read Full 20k-word Bible on GitHub

What People Say

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Career Timeline

Key milestones in my professional journey.

2021 - Present

Full-Stack Developer

Building large-scale web applications with Python, .NET Core, and modern JavaScript frameworks. Specializing in high-performance, scalable solutions.

2020 - 2021

Content Creator & Digital Media

Started creating digital content, building a personal brand on TikTok and other platforms. Gained experience in video production, scriptwriting, and audience engagement.

2019 - 2020

Education & Learning

Focused on learning full-stack development, mastering Python, JavaScript, and various web technologies. Built foundational projects and gained hands-on experience.

Certifications & Achievements

Professional recognitions and notable milestones.

Full-Stack Development

Professional Web Engineering

2021 - Present

Content Creator

TikTok & Social Presence

10K+ Followers

MC at TNTV

Thai Nguyen Television

Media Production

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