Hestina Duong

— About me

Hestina Duong

I've spent many years studying and working in data and technology, with the opportunity to take part in many projects related to software development, data, artificial intelligence, and automation. Starting from my early projects, I gradually shifted from a purely technical focus to a product-building mindset, paying particular attention to interface, experience, and the value a product brings to its users.

Through working with real clients and users, I realized that no matter how powerful technology is, it doesn't truly matter if it's too complex and hard to access. I believe technology should become a simple, approachable, and useful tool that helps people solve problems and work more effectively.

That belief became the driving force behind building Vienify Software — where I can combine my experience in Software, Data, AI to develop highly practical technology products. To me, building products isn't just about writing code — it's about understanding problems, designing solutions, and turning technology ideas into experiences that create real value for users.

7+
Years of experience
20+
Completed projects
18+
Blog posts

Languages & Frameworks

  • Python
  • TypeScript
  • Next.js
  • FastAPI
  • GraphQL
  • Microservices
  • WebSocket
  • OAuth2 / JWT

Data & Infrastructure

  • PostgreSQL
  • TimescaleDB
  • Kubernetes
  • Redis
  • Kafka
  • Terraform
  • CI/CD
  • AWS
  • System Design
  • Distributed Systems
  • Cloud Architecture
  • Site Reliability Engineering

AI & Machine Learning

  • LLM
  • Deep Learning
  • NLP
  • Computer Vision
  • MLOps
  • RAG
  • Vector Database
  • Prompt Engineering
  • Data Engineering
  • Generative AI
  • Model Fine-tuning
  • Transformer Architecture

— My journey

2019

Starting the journey

Started charting a path of learning and self-development in technology and engineering.

2020–2022

Exploring technology

Focused on learning and building a foundation in programming, databases, software development, and related technologies. Started personal projects to turn theoretical knowledge into real-world experience.

2022–2024

Data & Software

Expanded expertise into Data, Software Engineering, and information systems, working on many real-world projects and problems. During this period, I came to realize that the value of technology lies not only in building a system that works well, but also in how users actually experience and apply it.

2024–2025

AI

Began focusing more on Artificial Intelligence and emerging technologies, exploring how AI could be applied to software, data, and real-world processes. This was also when I shifted strongly from a Developer mindset to a Product Builder mindset.

2025

Building Products

Started dedicating more time to developing my own technology products and solutions — from researching ideas and designing experiences to building and testing products with real users.

2026

Founded Vienify

Founded Vienify Software with a mission to build technology products that are simple, accessible, and useful. This marked an important shift from building personal projects to building a company and my own technology product ecosystem.

Today

Building What's Next

Continuing to grow Vienify, exploring new technologies in AI, Software, Data, while building products aimed at bringing technology closer to everyone.

— What I do

Building digital products

I'm directly involved in building software products from idea to real-world deployment — from researching problems and identifying user needs, to designing interfaces and experiences, to developing, testing, and optimizing the product. I care deeply about products with simple, easy-to-use interfaces, strong performance, and that solve a specific need.

Software, Data & AI Development

I work with a wide range of technologies in Software Engineering, Data, and Artificial Intelligence. I use data to analyze and derive valuable insights, while applying AI and automation to build tools that reduce manual work, boost efficiency, and open up new ways of working.

Running Vienify

As Founder & CEO of Vienify Software, I set the direction for the company's products, technology, and growth strategy. I'm involved in everything from identifying problems, researching the market, and developing ideas, to building products and bringing them to users — with the goal of gradually building a simpler, more accessible technology ecosystem.

Tech consulting & knowledge sharing

I work alongside individuals, founders, and small businesses to identify problems, choose the right technology, and build solutions that are fit for purpose, easy to deploy, scalable, and cost-effective. Alongside that, I share the knowledge and experience I've gathered through my blog, personal projects, and content on Software, Data, AI, turning complex technical knowledge into content that's easy to understand and apply in practice.

— Note

“Thank you for taking the time to read this far. If you also believe that technology should be simpler and more human, I'd love to connect and walk this journey together with you.”

Hestina Duong