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Quentin LefevreQL

Quentin Lefevre

Web & AI Developer | Innovative Solutions

€450/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Quentin

Full Stack & AI Developer | Tailored Solutions, Innovation & Performance

Passionate about technological innovation, I design and develop web and AI solutions tailored to the needs of startups, SMEs, and freelancers. With experience at IBM and solid expertise in artificial intelligence, I support my clients from idea to finished product, prioritizing efficiency, education, and innovation.

Key Skills:

Web Development (Front & Back): Creating modern websites and applications (React, Next.js, Node.js, Python)

Artificial Intelligence & Automation: Integrating AI models (predictive analysis, automation, chatbots, NLP)

Blockchain & Web3: Smart contracts, NFTs, wallet management, transaction security

Why Work With Me?

Adaptability: Quick immersion into your projects, personalized and scalable solutions

Personalized Support: Training, clear documentation, and follow-up for optimal adoption

Creativity & Innovation: Each project is an opportunity to design a unique, robust, and scalable solution

Examples of Achievements:

Web application with AI predictive analysis for decision support

Secure blockchain system for tracking decentralized transactions

Automation of business tasks and workflow optimization (RPA, bots, AI assistants)

Development of MVPs, chatbots, content generation tools, AI mini-apps

Ready to turn your ideas into concrete projects?
Contact me to discuss your needs and discover how AI and the web can boost your business.
  • French

    Native or bilingual

  • English

    Conversational

  • Spanish

    Conversational

Can work on-site
Paris (up to 10km), Paris (up to 20km), Lyon (up to 20km), Nice (up to 10km)

Experience

  • IBM France
    Technology Engineer
    TECH
    October 2023 - December 2024 (1 year and 2 months)
    Bois-Colombes, France
    As a full stack developer intern within IBM's Client Engineering division, I participated in the development of innovative technological solutions using advanced tools like React, LangChain, and IBM Watson. My main role was to design and implement web applications integrating artificial intelligence functionalities to meet client needs.

    Main missions:
    Front-end and back-end development: Creating dynamic web interfaces with React and developing robust APIs to connect AI services.

    IBM Watson integration: Leveraging IBM Watson's capabilities (NLP, speech recognition) to enrich applications with intelligent features (data analysis, automation).

    LangChain usage: Developing advanced AI pipelines for managing and orchestrating conversational models and data flows.

    Agile collaboration: Participating in all project lifecycle stages (design, development, testing, deployment) in an agile and collaborative environment.

    Performance optimization: Implementing best practices in web development to ensure the scalability, security, and efficiency of delivered solutions.

    Skills developed:
    Expertise in React for interactive and high-performance front-end development.

    Proficiency in integrating AI tools such as IBM Watson for natural language processing (NLP) and automation.

    Experience with LangChain, enabling the creation of complex workflows for conversational models.

    Full-stack development with a deep understanding of modern API REST-based architectures.

    Customer-oriented approach through close collaboration with technical and business teams.
    Artificial Intelligence DevOps Data Analysis NLP Langchain
  • Académie IBM
    Application Designer, Developer specializing in Cybersecurity and Artificial Intelligence
    TECH
    December 2022 - December 2024 (2 years)
    Castelnau-le-Lez, France
    This training allowed me to acquire all the technical and methodological skills of a designer developer, particularly in software development, application architecture, and project management. In parallel, I became certified in generative AI, strengthening my mastery of modern artificial intelligence technologies. This phase was enriched by my first professional experiences, notably as a technology engineering apprentice at IBM, where I applied my knowledge to concrete projects, developed innovative solutions, and integrated advanced AI tools in industrial environments.
    Python Front-End Development Back-End Development Generative AI MySQL

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Education

  • Bachelor's Degree
    IBM Academy
    Concepteur, développeur spécialisé en intelligence artificielle

Certifications

Skill set

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