
Rei Koleci
Tirana, Albania, EU
12:55:43 PM GMT+1

Rei Koleci
Tirana, Albania, EU
12:55:43 PM GMT+1
Senior MERN Dev (Next, React, Typescript, Redux, Node, Nest)
I built fullstack websites using Javascript techstack. Experience building Saas from zero to hero and corporate software.
rkoleci14@gmail.com
Fetched every day from Github.
Saas Products I have built 🛠️
Dashboard - Hospital Management

Mijnkms.nl - React/Nest CRUD TypeORM PostgreSQL
Saas - Chrome Extension

TabTrio - manage shortcuts in Chrome
Personal Trainer App

React Native app for personal trainers to manage clients and schedules
What my clients have to say about me 🧑💼
Imad Lotfi
LTF Software
"Rei delivered a Saas product MVP in a short deadline. Very pleased with the work and management of time."
Eran Artzi
Persona
"Rei is really great! Would highly recommend him to anyone!"
Alexander Skvortcov
Alexander Skvortcov
"Rei has completed a complex task while communicating clearly and professionally. Working with him was a pleasant experience."
Case studies 📝
Zustand under the hood
How Zustand stores data accross different components
How Instagram Loads a Photo Feed in Less Than 2 Seconds
Instagram use of CDN and lazy load.
React Redux
Understanding React Redux: A Comprehensive Guide
Memo
Understanding `useMemo` and `useCallback` in React
Shallow Comparison
Copying Nested Objects: Spread vs. Immer.js
UseEffect
Understanding useEffect and Shallow Comparison in React
Folder Struct
Understanding Folder Structure in React.js
Virtual Dom
Understanding the React Virtual DOM
Zustand vs Redux
Zustand vs. Redux: A Comparison
Shadcn-ui
Using Shadcn UI
Style MUI
Styling Material-UI Elements with CSS Classes