👋

Hello, I'm Rida Rhnizar.

Full-Stack Developer · CS @ UM6P 1337 · Morocco

💻Full-Stack🏥Healthcare IT⛓️Blockchain☁️Cloud & DevOps

About Me

I'm Rida Rhnizar, a Full-Stack Developer and Software Engineer with hands-on experience across web development, healthcare IT, blockchain, and cloud infrastructure. My core stack is Java/Spring Boot and Next.js for full-stack applications, C/C++ for systems-level engineering, and TypeScript/JavaScript for modern web interfaces.

My most recent work took me into the healthcare technology domain, where I built a Radiology Information System (RIS) as a freelance project. I implemented the DICOM standard from scratch — including MWL (Modality Worklist) and MPPS workflows — and integrated open-source tools dcm4chee (PACS server) and OHIF Viewer for medical image management. I built a fake modality simulator for end-to-end testing, then successfully deployed the system in a real hospital connected to live radiology equipment.

Beyond healthcare, I explore Web3 and blockchain development — writing smart contracts in Solidity and contributing to decentralized applications. I'm equally passionate about DevOps and cloud infrastructure, using AWS, Docker, and CI/CD pipelines to automate deployments and maintain production-grade systems. Whatever the domain, I'm driven by the challenge of building software that works reliably in the real world.

🚀 Looking for a skilled developer?I'm open to job and freelancing opportunities!Contact Me

What I Do

I adapt to new domains fast — here's where I've proven it.

Full-Stack Development

Building end-to-end web applications with clean architecture — from REST APIs and database design to responsive, production-ready frontends.

Java Spring Boot
Next.js
PostgreSQL
REST API
TypeScript

Healthcare IT

Implementing DICOM standards (MWL, MPPS), integrating PACS servers, and deploying radiology systems — including a live hospital deployment.

DICOM
MWL / MPPS
dcm4chee
OHIF Viewer
PACS

Blockchain & Web3

Writing smart contracts, building decentralized applications, and exploring DeFi — from ERC-20 tokens to on-chain tournament scoring.

Solidity
Hardhat
Web3.js
Ethereum
ERC-20

DevOps & Cloud

Automating deployments, managing AWS infrastructure, and building CI/CD pipelines that keep production systems fast, stable, and scalable.

AWS
Docker
CI/CD
Nginx
Kubernetes

My Projects

Private● Active

RIS — Radiology Information SystemActive

A full-stack Radiology Information System (RIS) built as a freelance project, marking a deep dive into healthcare IT and the DICOM standard. Integrated open-source tools dcm4chee (PACS server) and OHIF Viewer for medica…

DICOM
MWL
MPPS
PACS
dcm4chee
OHIF Viewer
Healthcare IT
Java Spring Boot
Next.js
Docker
PostgreSQL

Backofficee Online7 months ago

Backofficee Online is a modern back-office platform that helps digital businesses transform analytics data into actionable growth insights using AI-driven intelligence. The platform automatically collects and centralize…

Java Spring Boot
Next.js
PostgreSQL
AWS
Spring Security
JWT
OpenAI
AI
RAG
Meta WhatsApp API
CI/CD
DevOps
Analytics
Backend
Frontend
Full-Stack
EC2
RDS
S3
Amplify
Route 53
VPC

Private● Active

Internship Projects at Wadouz StartupActive

During my internship at Wadouz Startup, I contributed to two major projects: the Lotentika E-commerce Platform and the Wadouz Mobile App. My responsibilities spanned backend, frontend, and DevOps, with a focus on automat…

E-commerce
NextJS
Java Spring Boot
AWS
CI/CD
DevOps
Payments
NAPS
Mailing
Aramex API
Meta WhatsApp API
Cash on Delivery
Backend
Frontend
Mobile App
Integration

Private

Develop Token like USDT ERC20a year ago

Started development of a secure and scalable ERC-20 token similar to USDT, aimed at decentralized applications. Implemented the smart contract using Solidity and began testing with Har…

Blockchain
Solidity
Hardhat
Ethereum
Web3.js

XAD Challenge2 years ago

Contributed to a preselection project for the XAD Hackathon, focusing on optimizing Automatic Differentiation (AD) through advanced data handling and algorithmic improvements. Language…

C++
CI/CD

TRANSCENDENCE2 years ago

Developed a Django-based multiplayer contest platform with Docker, supporting real-time game interactions and tournament hosting for a competitive environment.

JavaScript
Python
Django
blockchain
solidity
Hardhat
Docker
PostgreSQL
pgAdmin
HTML
CSS
trello

Private

Blockchain Integration for Tournament Scores2 years ago

Integrated blockchain functionality into the existing Ping Pong tournament platform by storing scores on the Ethereum blockchain. Developed smart contracts using Solidity, tested wit…

Blockchain
Solidity
Hardhat
Web3.js
JavaScript
Python

WEB SERVER2 years ago

Built an HTTP server in C++, implementing core HTTP functionality for request and response handling, demonstrating backend engineering and an understanding of the HTTP protocol.

C/C++
HTTP
Socket.io

INCEPTION2 years ago

Used Docker for virtualization and containerization, building scalable software environments aligned with DevOps practices.

Docker
MariaDB
Nginx
Web Development

MiniShell3 years ago

Created a simple shell in C, applying system-level knowledge and shell scripting to reinforce understanding of Linux commands and process management.

C
Algorithms
Bash
Linux

My Experience

My Education

My Skills

Languages

C
C++
Java
TypeScript
JavaScript
Python
Solidity

Frameworks

Spring Boot
Django
Next.js
React

Healthcare IT

DICOM
MWL
MPPS
PACS
dcm4chee
OHIF Viewer
Medical Imaging

DevOps

Docker
AWS
CI/CD
Nginx
Virtualization
Kafka
Kubernetes

Tools

Git
GitHub
GitLab
Trello
pgAdmin
Postman

Backend & API Design

REST API
WebSockets
Socket.io

Linux & System Knowledge

Linux
Shell scripting
Bash
System Programming

Contact Me

Phone:+212 7 08 28 23 15

WhatsApp:+212 6 47 98 26 38

Please provide a valid email address if you'd like me to respond to your message.