01FEATURED PROJECT
Velt PHP (Framework)
A modular PHP framework with the ambition to create cross-platform projects.
The Kernel provides the framework foundation; Native defines the Android bridge and Compose integration boundary.
Design the interface. Engineer the experience.
Explore my work
SEM KASANGA / 2026
01 / SELECTED WORK
02 / ABOUT
HUMAN / 02
THE HUMAN BEHIND THE INTERFACE.
Sem is a frontend engineer focused on building thoughtful digital experiences, with backend knowledge that helps him understand products beyond the interface.
- BASED IN
- Lubumbashi - DRC
- FOCUS
- FRONTEND / ENGINEERING
- CURRENTLY
- OPEN TO OPPORTUNITIES
MORE ABOUT ME
SEM KASANGA / 2026
03 / WHAT I DO
FROM INTERFACESTO INTELLIGENT PRODUCTS.
FRONTEND DEVELOPMENT
React · Next.js · TypeScript / Design systems · Motion · PerformanceModern interfaces, design systems, motion, accessibility and performance.
APIs, application logic, data flows and backend architecture.
LLM integrations, AI APIs, intelligent features and model-powered experiences.
End-to-end digital products combining interface, engineering and interaction.
04 / TECH ECOSYSTEM
THE TOOLSBEHIND THEEXPERIENCE.
A curated ecosystem of technologies I use to design, engineer and ship modern digital products.
- CURRENT VIEW
- SYSTEM / OVERVIEW
HOVER A TECHNOLOGY TO EXPLORETAP A TECHNOLOGY TO EXPLORE
05 / JOURNEY
THE PATHSO FAR.
A selection of moments that shaped
how I design and engineer products.
2020
EDUCATION
FIRST STEPS INCOMPUTING
First computer literacy courseduring secondary school.
06 / TESTIMONIALS
WHATTHEY SAY.
ONE VOICE AT A TIME
PLACEHOLDER / TESTIMONIAL
“Sem brings together strong frontend execution with a real understanding of the product behind the interface.”
ROLE — COMPANY
IDENTITY PLACEHOLDER
07 / CONTACT
AVAILABLE FOR OPPORTUNITIES