Hi, my name is Diep (Stella)
Framework: Next.js
Language: JavaScript
Hosting: Cloudflare | Nginx Proxy Manager | Proxmox | Docker

Work Experience
SOFTWARE ENGINEER INTERN || Van Lanschot Kempen
Van Lanschot Kempen is the oldest independent financial institution in the Netherlands, operating as a specialized wealth manager since 1737. I worked as a full-stack developer in the Digital Innovation & Analytics (DIA) department.
- Horizon team: built features on an internal application bankers use to work with clients, alongside senior developers. Handled a data migration and extended an already-scaled system, back-end and front-end.
- Copilot Usage Web: an internal AI-cost analytics dashboard used across 9 departments by about 150 tech employees daily. I built the cost analytics side of the application, and designed and built its deployment infrastructure from scratch: CI/CD pipelines for frontend and backend, container security scanning, and a fully network-isolated Azure deployment.
Tech stack: Angular 20 | .NET 9 | C# | SQL Server | Azure DevOps | Azure Container Apps | Bicep | Docker
Personal advanced skills: Full-stack development | CI/CD & DevSecOps | Azure cloud infrastructure | Data modeling & migration | Scalable system design | Teamwork
BACK-END DEVELOPER & TECH MANAGER || Ella
Ella was a high-fashion rental platform startup. Me and the dev team developed an e-commerce website from scratch.
Tech stack: NestJS | MongoDB | Next.js
Personal advanced skills: NestJS | MongoDB | RESTful APIs | Software Architecture | Teamwork and Management
GAME DEVELOPER INTERN || GTV Vietnam Technology Joint Stock Company
GTV is a top leading online game production company in Vietnam. I got my hand on small projects during the internship
Personal advanced skills: Unity | C# | UI/UX design | Teamwork
Project Experience
WINNER, bol.com CHALLENGE || Hack4Her 2026
A 2-day hackathon build with a team of 4 developers, where I was the main developer and product designer. The bol challenge: put the environmental cost next to the price tag, so shoppers see the full picture in one glance.
Key Features:
- Rebuilt bol.com storefront with sustainability smartly integrated in the shopping flow
- Sustainability score, CO₂ footprint & repairability per product
- Side-by-side eco-impact comparison
- "Future-friendly pick" surfacing + sort by sustainability
Tech stack: Next.js | Tailwind CSS | Vercel
Personal advanced skills: Rapid prototyping | Critical Product Design | Business Analysis
FOUNDER & DESIGNER & DEVELOPER || HUSTMAP.com
HUSTMAP.com is a map for university students, it attract 500-1500 users on daily basis. It navigate, process 60+ buildings and 1000+ rooms
Key Features:
- Rooms, Buildings search
- 2D interactive map
- Live location track
Tech stack: NestJS | MySQL | Next.js | Figma | QGIS | Google Analytics | Cloudflare
Personal advanced skills: Full-stack development | Database & cache management | System Architecture | Geospatial mapping | UI/UX design
FOUNDER & DESIGNER & DEVELOPER || Plepleple
Plepleple is the first video game I created independently using Unity after learn game coding from YouTube videos. Plepleple’s inspiration came from simple, successful games like Flappy Bird and Mario.
Key Features:
- Jump | Shooting
- Different levels and theme
Tech stack: Unity | C#
Personal advanced skills: Game Design | Level Design | Animation

- Data Structures and Algorithms
- Computer Organization
- Web Technology
- Pervasive Computing
- Computer Networks
- Statistical Methods
- Operating Systems
- OOFP
- Software Design
- Requirement Engineering
There’s no perfect moment, now is the moment
Jump in, take the risk and figure it out as you go.