System Online

FULL STACK
ENGINEER

Oussama Errafif

State Engineer in Computer Engineering with solid experience in full-stack development, artificial intelligence integration, and data analysis. Passionate about building performant, secure, and scalable web systems using modern technologies.

Experience
3+ Years
Projects
10+
Stack
Next.js / Python
Location
Morocco

Technical Arsenal

A curated list of technologies I use to build performant and scalable digital solutions.

// STACK_INITIATED
JavaPythonPHPJavaScriptC/C++C#SQLBashReactNestJSFastAPIJEEPandasNumPyNext.jsTailwind CSSMySQLPostgreSQLMongoDBDockerGitAWSLinuxVS CodeMatlabJavaPythonPHPJavaScriptC/C++C#SQLBashReactNestJSFastAPIJEEPandasNumPyNext.jsTailwind CSSMySQLPostgreSQLMongoDBDockerGitAWSLinuxVS CodeMatlab

Languages

Java
Python
PHP
JavaScript
C/C++
C#
SQL
Bash

Frameworks

React
NestJS
FastAPI
JEE
Pandas
NumPy
Next.js
Tailwind CSS

Databases

MySQL
PostgreSQL
MongoDB

Tools & DevOps

Docker
Git
AWS
Linux
VS Code
Matlab

Selected Works

Engineered solutions for complex problems.

AI Deep Search

AI-powered deep research platform leveraging multi-agent systems for automated document search, cross-checking, and citation generation.

Next.jsTailwind CSSFastAPISupabase

ApexResume – AI Resume Platform

Intelligent resume analysis and generation platform used by 500+ users, providing ATS scoring and real-time suggestions.

Next.js 15TypeScriptTailwind CSSGoogle Gemini API

Rainfall Prediction Model

Built rainfall prediction model with 86% accuracy using supervised ML.

PythonMachine LearningNeural Networks

NetScan

Python-based network-scanner with OS/service fingerprinting and reporting.

PythonNetworkingMultithreading

SecureFileX

Secure file-transfer system with end-to-end encryption.

CryptographyAES-256RSASHA-256

Career Timeline

Full-Stack Developer

Feb. 2025 – Jul. 2025
@ Lexora (Morocco)
  • Developed the React + Redux frontend integrated with a FastAPI backend.
  • Built ETL pipelines for data extraction and storage in MongoDB.
  • Developed AI features based on Retrieval-Augmented Generation (RAG).

Full-Stack Developer

Feb. 2024 – May 2024
@ PFA (Agadir)
  • Built a high-performance web application using Analog.js + NestJS, improving API latency by 40%.
  • Integrated SendGrid for transactional emails and JWT-based authentication.
  • Ensured 99.9% uptime and scalable architecture for over 1,000 users.

Academic Background

ENSA Agadir

State Engineer in Computer Engineering

2022 – 2025

CPGE Dakhla

PCSI (Preparatory Classes)

2020 – 2022

EL FATH Dakhla

Scientific Baccalaureate

2019 – 2020

Certifications

Python for Data Science, Machine Learning, Data Analysis and Visualization

IBM

Cybersecurity

Google

Neural Networks and Deep Learning

DeepLearning.AI