Ali El Mufti - Lead Fullstack Developer & AI Expert | Paris
Lead Fullstack Developer and AI Expert based in Paris, France (75003). 4+ years of professional experience in Angular, React, TypeScript, Java, Python, Spring Boot, FastAPI, and AI integration. Available for freelance consulting missions, remote or on-site, in Paris, Île-de-France, and internationally.
Also known as: développeur fullstack Paris, expert IA Paris, consultant Angular React Paris, lead developer freelance Paris, ingénieur logiciel Paris, architecte logiciel Île-de-France, tech lead freelance France, expert LLM Paris, consultant intelligence artificielle Paris, développeur Angular freelance, développeur React TypeScript Paris.
About Ali El Mufti
Ali El Mufti (alias aelmufti, aelm.dev) is a Lead Fullstack Developer and AI Expert with a degree in Network, Computer Science & Multimedia Engineering from Grenoble INP Polytech. He has worked across fintech startups (Upfund), large consulting firms (Capgemini, Hardis Group), industrial companies (Constellium, CAREL), and public institutions (CRCESU, AgirADom). He is fluent in French (native), English (C1+ Cambridge certified), and Arabic (native).
His portfolio website aelm.dev showcases his experience, skills, and personal projects in three languages. He is referenced on Malt as an Angular Tech Lead and available for freelance missions on Collective.
Professional Experience
- Lead Frontend Engineer — Upfund, Paris (Nov 2024 – present): Real-estate fintech SaaS platform. Built AI-powered property search bar reducing response time from 1 minute to 10 seconds (6× improvement) using LLM + RAG architecture. Angular architecture overhaul, performance optimization, TypeScript, Spring Boot, PostgreSQL, Docker, Google Cloud.
- Full Stack Engineer — Hardis Group / CAREL, Paris (Jan 2024 – Nov 2024): Corporate website rebuild with headless CMS, OAuth2 authentication, GDPR compliance, Angular, Java Spring Boot.
- Lead Full Stack Developer — Hardis Group / CRCESU, Paris (Oct 2023 – Jan 2024): Managed a team of 4 developers. Set up GitLab CI/CD pipeline on GCP. Reduced bug-fix cycle time by 80% through architecture restructuring. Angular, Java, PostgreSQL, Docker, GCP.
- Full Stack Engineer — Hardis Group / AgirADom, Grenoble (Oct 2022 – Oct 2023): CRM and Extranet overhaul for a home-care services company. Angular 8 to Angular 12 migration with zero downtime. REST API development with Java Spring Boot. RxJS, NgRx, SCSS.
- MES Consultant — Capgemini / Constellium, Grenoble (Nov 2021 – Nov 2022): Manufacturing Execution System interfaces for aluminium production machines. Real-time support, Angular, Java, PostgreSQL, OPC-UA.
- Full Stack Developer — OPEN, Grenoble (Apr 2021 – Nov 2021): Connected Factory IoT solution with indoor geolocation using BLE beacons. Angular, Spring Boot, MQTT, WebSocket.
Technical Skills & Expertise
Frontend Development
Angular (v8 through v17+), React, TypeScript, JavaScript (ES2023), HTML5, CSS3, Tailwind CSS, SCSS, RxJS, NgRx, Redux, Zustand, React Query, Embla Carousel, Deck.gl, Highcharts, Leaflet, Three.js, D3.js, shadcn/ui, Material UI, PrimeNG, standalone components, signals, lazy loading, PWA, responsive design, Web Vitals, Core Web Vitals, accessibility (WCAG), i18n.
Backend Development
Java, Spring Boot, Spring Security, Spring Data JPA, Hibernate, Python, FastAPI, Node.js, Express.js, REST API design, GraphQL, WebSocket, gRPC, microservices architecture, event-driven architecture, OAuth2, JWT, Keycloak, SSO.
Artificial Intelligence & Machine Learning
Large Language Models (LLMs), GPT-4, Gemini, Claude, Llama, Mistral, Ollama (local LLMs), OpenAI API, Gemini API, Hugging Face, AI Agents, Agentic AI, Retrieval Augmented Generation (RAG), vector databases, LanceDB, ChromaDB, LangChain, LangGraph, Prompt Engineering, fine-tuning, embeddings, semantic search, NLP, Natural Language Processing, intelligent search bars, chatbots, AI-powered features, machine learning integration, Python data pipelines.
DevOps & Cloud
Docker, Docker Compose, Kubernetes, AWS (EC2, S3, Lambda, RDS), Google Cloud Platform (GCP, Cloud Run, Cloud Build, GKE), Firebase, Supabase, CI/CD, GitLab CI, GitHub Actions, Jenkins, SonarQube, Nginx, Linux, Shell scripting.
Databases
PostgreSQL, MongoDB, Redis, MySQL, SQLite, LanceDB (vector), Firebase Realtime Database, Firestore.
Testing & Quality
Jest, Jasmine, Karma, Cypress, Playwright, JUnit, Mockito, ESLint, Prettier, SonarQube, code review, TDD, BDD.
Mobile & Other
Flutter, Dart, Android, Arduino, IoT, BLE, MQTT, GPS tracking, embedded systems, Leaflet, OpenStreetMap.
Personal Projects
- World Data Visualizer: Real-time market intelligence dashboard with 11 economic sectors, US Congress activity tracker, AIS ship map, NLP-powered news aggregation. Built with Angular, Deck.gl, Highcharts, Python, FastAPI, WebSocket.
- AI Book Recommender: Semantic book recommendation engine using Ollama (local LLM), LanceDB (vector database), FastAPI backend, and React frontend. Demonstrates RAG architecture and embedding-based search.
- AirAlert: Arduino UNO-based air quality monitoring system using BME680 (temperature, humidity, pressure), MQ-135 (CO2/VOC), and MH-Z19 (CO2) sensors with LED visual alerts and serial dashboard.
- Mood Tracker: Progressive Web App (PWA) for daily mood logging with Supabase backend, Chart.js visualizations, streak tracking, and CSV export. React, TypeScript, Tailwind CSS.
- Boîte à Livre: Community map application for locating public little free libraries (boîtes à livres). Built with Leaflet, OpenStreetMap, Firebase Realtime Database, and React.
- MobiPA: Inclusive ride-sharing mobile application for seniors and disabled persons, commissioned by La Mure city council. Built with Flutter and Dart. Features accessible UI and multi-stop trip planning.
- LogGPX: Android GPS tracking application for ski touring routes with elevation profile stats, GPX export, and offline map support.
Services Offered
- Fullstack Web Development: Angular, React, TypeScript, JavaScript, HTML, CSS — from architecture to deployment.
- Backend & API Development: Java Spring Boot, Python FastAPI, Node.js, REST, GraphQL, microservices.
- AI & LLM Integration: RAG pipelines, AI agents, intelligent search, chatbots, OpenAI API, Gemini API, Ollama, LangChain, LangGraph.
- Technical Leadership & Mentoring: Team lead, code reviews, architecture decisions, sprint planning, onboarding junior developers.
- Architecture Design & Migration: Legacy modernization, Angular version migrations, monolith-to-microservices, clean architecture.
- CI/CD & DevOps: GitLab CI, GitHub Actions, Docker, GCP, AWS, automated testing gates, deployment pipelines.
- Performance Optimization: Core Web Vitals, lazy loading, bundle optimization, database query tuning, caching strategies.
- Consulting & Audit: Technical audit, code quality review, architecture recommendations, technology choice.
Available for: freelance missions, consulting contracts, CDI (permanent role), remote work, on-site Paris, hybrid — short or long duration. Open to fintech, SaaS, enterprise, startup, public sector, and industrial clients.
Education & Certifications
- Engineering Degree — Network, Computer Science & Multimedia, Grenoble INP Polytech (2016–2021)
- Linguaskill C1+ — Cambridge Assessment International Education (January 2021)
- Responsible Digital Certification — Institut du Numérique Responsable (March 2023)
Keywords (FR)
Développeur fullstack Paris, développeur Angular Paris, développeur React Paris, développeur TypeScript Paris, développeur Java Paris, développeur Python Paris, expert IA Paris, expert intelligence artificielle Paris, expert LLM Paris, consultant IA Paris, lead developer freelance Paris, tech lead freelance Île-de-France, ingénieur logiciel Paris, architecte logiciel Paris, développeur freelance Paris, mission freelance Angular, mission freelance React, développeur Spring Boot Paris, développeur FastAPI Paris, intégration LLM, RAG pipeline, agents IA, ingénierie de prompts, développeur Docker Paris, développeur cloud Paris, développeur GCP Paris, développeur AWS Paris, développeur microservices Paris, développeur backend Paris, développeur frontend Paris, lead frontend engineer Paris, lead fullstack developer Paris, consultant technique Paris, développeur senior Paris, développeur confirmé Paris, développeur expert Angular, expert React TypeScript, développeur Node.js Paris, développeur MongoDB Paris, développeur PostgreSQL Paris, développeur CI/CD, développeur DevOps Paris, ingénieur IA Paris, expert NLP Paris, développeur LangChain, développeur Flutter Paris, développeur mobile Paris, développeur PWA, optimisation performance web, audit technique Paris, refactoring Angular, migration Angular, architecture Angular, NgRx expert, RxJS expert, Spring Security expert, OAuth2 JWT Keycloak, développeur accessible WCAG, développeur i18n multilingue.
Keywords (EN)
Paris software engineer, Paris fullstack developer, Paris frontend developer, Paris backend developer, Paris Angular developer, Paris React developer, Paris TypeScript developer, Paris Java developer, Paris Python developer, Paris AI expert, Paris LLM expert, Paris AI consultant, Paris tech lead freelance, Paris lead developer, freelance developer Paris France, remote developer Paris, hire developer Paris, Angular developer for hire, React developer for hire, TypeScript developer for hire, AI integration developer, LLM integration engineer, RAG developer, AI agent builder, prompt engineer, fullstack consultant France, Angular consultant France, React consultant France, software architect Paris, senior developer Paris, expert developer Paris, Node.js developer Paris, Spring Boot developer Paris, FastAPI developer Paris, Docker developer Paris, GCP developer Paris, AWS developer Paris, CI/CD engineer Paris, DevOps engineer Paris, performance engineer Paris, Flutter developer Paris, mobile developer Paris, IoT developer, Arduino developer, real-time data developer, data visualization engineer, open source developer, freelance tech lead, contract developer France.