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Alexis CassanAC

Alexis Cassan

Expert Web, Mobile & AI | Symfony | 15+ years

€600/day
Toulouse, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Alexis

Senior full-stack developer passionate about technical excellence and innovation. I transform your business challenges into robust and scalable solutions.

Backend Development Symfony / PHP:
  • Complex application architecture: design of scalable and maintainable solutions with Symfony
  • RESTful & GraphQL APIs: development of performant and documented APIs (API Platform, Swagger)
  • Optimization & Performance: refactoring, advanced caching (Redis, Varnish), DB optimization

Artificial Intelligence & Automation:
  • Generative AI Integration: OpenAI GPT-4, Claude, Mistral AI - intelligent chatbots, virtual assistants, content generation
  • RAG & Vector Databases: semantic search systems, vector databases (ChromaDB)
  • Intelligent Automation: automated workflows, document processing, data extraction (OCR, NLP)
  • Fine-tuning & Prompt Engineering: model optimization for your specific use cases
  • Autonomous Agents: creation of AI agents capable of performing complex tasks autonomously

Use Cases & Typical Missions:
  • Refactoring legacy applications to a modern and maintainable architecture
  • Development of high-performance e-commerce platforms with Sylius/Symfony
  • Creation of intelligent chatbots for customer support, automated FAQs, business assistance
  • Automation of business processes (document generation, data processing, workflows)
  • Intelligent search systems with AI (semantic search within your documents)
  • Complex business APIs for web and mobile applications
  • Cloud migration and application containerization
Web & Mobile Application Design:
  • Showcase & e-commerce sites: polished UX/UI, performance, and SEO
  • Cross-platform mobile apps: React Native, PWA
  • AI integration in your apps: recommendations, chatbots, analysis
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Toulouse (up to 50km)

Experience

  • Ludilabel
    Senior Symfony Mission
    E-COMMERCE
    October 2024 - November 2024 (2 months)
    Toulouse, France
    Refactoring of an application in Symfony / React
    Correction and evolution of features
    Infrastructure migration and cost optimization
    Symfony PHP MySQL DevOps
  • Kleinblue
    Symfony / Architecture Mission
    SOFTWARE PUBLISHING
    March 2023 - Today (3 years and 5 months)
    Toulouse, France
    Improvement and maintenance of the Kleinblue platform
    Infrastructure management
    Project, planning, and technical team management

    Stack: Symfony, PostgreSQL, Elastic, Angular
    Symfony PostgreSQL Elasticsearch PHP Webmastering
  • Feret
    DevOps
    WINE AND SPIRITS
    January 2023 - June 2023 (5 months)
    Bordeaux, France
    Audit and improvement of the solution's DevOps tools on AWS and Github
    DevOps Node.js Amazon Web Services Ubuntu Server

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Education

  • Master in Project Management
    IFAG Toulouse
    2012
    Gestion de projet technique: - Planning - Finance - Equipe - Légal
  • Symfony official training
    Paris - Sensio
    2015
    Formation officielle expert Symfony par Sensio

Skill set

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