Rayen.
Hi, I'm Rayen — Tunisian Web DeveloperTN

Craftingtheintelligenceoftheweb.

Bridging the vital gap between robust backend systems and advanced AI models to deliver scalable, intelligent digital solutions.

SERVICES

Capabilities

Innovation &
Engineering.

Bridging the vital gap between cutting-edge artificial intelligence and high-performance digital architecture.

Frontend Engineering
01 // Core Focus

Frontend Engineering

Crafting pixel-perfect, hyper-optimized digital interfaces. Specializing in Next.js, React, and immersive Framer Motion animations that elevate user experience to Awwwards quality.

Next.jsReactTailwindMotion
Full-Stack Architecture
02 // Core Focus

Full-Stack Architecture

Architecting and deploying end-to-end scalable platforms. Ensuring absolute reliability, robust authentication, and speed from the database layer to the client interface.

Node.jsPythonPostgreSQLPrisma
API Design & Cloud
03 // Core Focus

API Design & Cloud

Building resilient RESTful and GraphQL APIs designed to handle massive data throughput. Deploying advanced microservices via secure, scalable cloud infrastructure and serverless solutions.

FastAPIExpressDockerREST
AI Systems Engineering
04 // Core Focus

AI Systems Engineering

Designing intelligent RAG pipelines and scalable vector databases. Seamlessly connecting complex language models like Llama 3, OpenAI, and custom fine-tunes to your enterprise logic.

LLMsRAGpgvectorLangChain

EXPERIENCE

Experience

My career journey.

Full-Stack Engineer

Capgemini EngineeringHybrid
Feb 2026Present

Designed and architected an AI-powered Applicant Tracking System (ATS) to modernize the recruitment pipeline for HR teams and decision-makers. Implemented pgvector in PostgreSQL to create a semantic search engine matching CV pools with job requirements using AI embeddings. Engineered an 'Autopilot' feature utilizing LLMs to parse and score candidate resumes (OCR) and dynamically generate structured interview questions. Built an AI chat interface allowing managers to query complex recruitment statistics and dashboard metrics using natural language. Developed a type-safe, feature-driven application using Next.js 16, TypeScript, and Drizzle ORM. Crafted a responsive, minimalist interface with Tailwind CSS and shadcn/ui, featuring custom AI loading states and role-based dashboards (RBAC).

Full-Stack Developer

Aquil AppContract
Jul 2025Oct 2025

Full-stack Developer

Storegen.aiContract
Jan 2024Apr 2024

Freelance Trainer

FRTN Technologies Tunisie
Oct 2024Dec 2024

Web Developer

Générale Tunisienne De L'Informatique | GTI
Feb 2023Jul 2023

Web Developer

AJico GroupRemote
Dec 2022Feb 2023

Web Developer

CIN Group
Aug 2022Jan 2023

Web Developer

Smart Kokusai
Jul 2022Aug 2022

Junior Developer

Alidade Tunisia
Jul 2022Jul 2022

Academic

Roots &
Foundations.

A clean look at the institutions where I forged my core engineering logic.

Engineer's Degree, IRM-Opt. Embedded and Mobile Systems Engineering

Polytech Intl
2024Expected 2026

Bachelor's Degree, Computer Science

Polytech Intl
20212024
Fullstack AI Engineer • Creative Developer • Problem Solver •Fullstack AI Engineer • Creative Developer • Problem Solver •

Certifications

The Vault.

Scroll to unlock professional track-records and validations.

Microsoft

MTA: Introduction to Programming Using Python

Microsoft / freeCodeCamp

Foundational C# with Microsoft

Certiport

IT Specialist - HTML and CSS

Professional Certification

Fullstack Development Certificate

Expertise

Technical Stack & Capabilities.

AI Representation

AI & Machine Learning

LLMs RAG PipelinesVector DatabasesLangChainAI AgentsPrompt EngineeringNVIDIA NIMOpenAI API
Abstract Tech

2+

Years Exp.

Frontend UI

Frontend

Next.jsReactTailwind CSSTypeScriptFramer Motion
Backend Servers

Backend & DevOps

Node.jsPythonFastAPIPostgreSQLDockerPrismapgvector

WORKS

Selected Work

A showcase of minimal aesthetics and complex AI logic.

PharmAI

PharmAI

Production-grade, multi-tenant RAG platform for pharmaceutical regulatory compliance powered by NVIDIA NIM and pgvector.

PythonFastAPITypeScriptNext.jspgvector
AltScore AI

AltScore AI

Advanced API scoring model platform. Analyzes 32 dynamic feature categories to assign secure scoring for applicant profiles and risks.

FastAPIPythonMachine LearningREST APIDocker
NeonSchemaPilot

NeonSchemaPilot

AI-Powered Database Studio. Interact with your Neon DB using an AI Assistant, generate data visualizations, and monitor query performance.

Next.jsAI AssistantPostgreSQLNeonChart.js
Entretien AI

Entretien AI

Interview practice platform offering instant AI feedback. Land your dream role by practicing situational and technical questions.

Next.jsReactAI generationTailwindCSSPostgreSQL
AI Powered Data

AI Powered Data

A modern web application providing AI-powered data analysis, dashboard metrics, and rich visualization capabilities.

Next.jsTypeScriptLangChainTogether AIPrisma
ClearSprint AI

ClearSprint AI

AI-powered Linear ticket management. Connect your workspace, edit tickets with generative AI, review visual diffs, and sync changes.

Next.jsTypeScriptLinear SDKshadcn/uiOAuth
FlowMatic

FlowMatic

Powerful visual workflow builder and automation engine. Create complex step-by-step automations, client portals, and track requests.

Next.jsTypeScriptPrismaTailwind CSSZustand
WriteFlow

WriteFlow

Sophisticated SaaS platform leveraging artificial intelligence to streamline and enhance content creation for modern marketers.

Next.jsOpenAI GPTPostgreSQLPrismaTailwind CSS
OptimumCV

OptimumCV

AI-Powered CV creator. Import existing CVs, optimize with AI suggestions, and export beautiful PDF documentations perfectly formatted.

Next.jsTypeScriptGenerative AIReact PDF
Indigenes

Indigenes

Investment platform focused on agricultural opportunities in Africa. Empowering investors to utilize their land assets for farming.

ReactViteNode.jsExpressMongoDB
Available Worldwide

Based in Tunisia.
Working globally.

Let's
Talk.

Get in touch
Rayen.

© 2026 All rights reserved. Built with passion.