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Victor GilletVG

Victor Gillet

Chief Technical Officer (CTO)/Full-Stack Developer

€722/day
Nantes, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Victor

👨‍💻 Development Engineer, passionate about innovation and efficiency, with 24 years of passion for code and 14 years of experience, I specialize in creating tailor-made technological solutions.

🚀 Expert in web and mobile application development as well as process automation, I have designed robust systems that transform operational challenges into strategic opportunities for businesses.

⚙️ My expertise covers the development of high-performance applications with Angular for modern and responsive interfaces, and with Java, C#, or TypeScript for secure and scalable backends.

🤖 In parallel, I specialize in business process automation, where I develop intelligent robots to optimize workflows and free teams from repetitive tasks, while improving planning and resource management.

🎯 My approach combines technical rigor, creativity, and a deep understanding of business needs. I am committed to delivering robust, scalable, and results-oriented solutions, while staying at the forefront of the latest technologies.
  • French

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Diotal
    Chief Technical Officer / Architect / Full-stack Developer
    REAL ESTATE
    February 2025 - May 2025 (3 months)
    Nantes, France
    As part of a high-stakes business project, I designed and developed a 3D mapping application to display all the buildings in a city, estimate the total built-up area from BDNB (170 GB) and National Building Register (RNB) data, and highlight buildings based on dynamic business criteria. Objective: to aid strategic decision-making, maximize sales, and reduce human costs related to prospecting.

    Buildings are displayed in 3D on an interactive map, with custom color coding reflecting their commercial potential, typology, or any other criterion defined by business users. Each building is dynamically linked to a client CRM record, ensuring real-time data synchronization and a fluid, contextualized user experience.

    Technical responsibilities:
    • Backend development in C#, processing and exploitation of geospatial data with PostgreSQL/PostGIS.
    • Design of a modular and scalable architecture, deployed via Kubernetes, with continuous integration and continuous deployment (CI/CD).
    • Interactive frontend with Angular, PrimeNG, and Tailwind, including 3D building display.
    • Real-time synchronization via SignalR, to ensure data consistency and responsiveness.
    • Implementation of advanced business filters and color-coded visualization to facilitate prioritization and commercial decision-making.
    C# .NET C# PostgreSQL PostGIS SignalR Angular PrimeNG TailwindCSS BDNB RNB SIRENE CI/CD Rancher Docker Kubernetes Harbor Redis
  • UbiMap
    Chief Technical Officer / Architect / Full-stack Developer / Founder
    SOFTWARE PUBLISHING
    September 2015 - January 2025 (9 years and 4 months)
    Nantes, France
    Architect and developer of UbiMap, a B2B prospecting SaaS platform used by over 1000 users and processing several million leads. Designed for Growth Hackers, it enables the generation of highly targeted leads and automation of LinkedIn and email campaigns, with highly personalized messages via AI, in compliance with GDPR.

    Key responsibilities:
    • Product design, market analysis, strategic positioning, functional/technical specifications, software architecture.
    • Backend Development: API, web services, scraping, data enrichment, databases, GDPR compliance.
    • UI/UX: intuitive interfaces, dashboards, interactive modules, API integration.
    • AI & Automation: data processing algorithms, automated campaigns, performance & scalability.
    • Deployment & Maintenance: cloud (OVH), CI/CD, monitoring & continuous improvement.
    • Growth Strategy: analytics, Growth Hacking tactics, product adaptation to user feedback.

    Technical expertise:
    • Development: TypeScript/JavaScript (Node.js), Java, REST/WebSocket APIs, MongoDB.
    • DevOps & Infrastructure: Docker, Kubernetes, cloud computing (OVH), GDPR security.
    • Scraping & Data Processing: Puppeteer, Google Search.
    • UI/UX & Frontend: Figma, Angular, Ionic, PrimeNG.
    • Prospecting Automation: LinkedIn, emailing, performance analysis, CI/CD pipelines.
    Typescript JavaScript Node.js MongoDB Angular PrimeNG Ionic Java Websocket API Docker Kubernetes RGPD Puppeteer Google Search Console Vertex AI Figma LinkedIn CI/CD Web Scraping Proxy Growth hacking OpenAI LLM AI Agent Harbor Redis
  • Experis IT
    Development Engineer / Technical Lead / Full-stack Developer
    SOFTWARE PUBLISHING
    February 2016 - August 2016 (6 months)
    Nantes, France
    As part of the Tamaris project, a technical intervention management platform for ERDF, managed by Sopra Steria, I contributed to the technical design and development of a solution used by over 10,000 users. The project involved a team of 70 developers and had to ensure the coexistence of three versions of the system in parallel. Objective: to optimize field intervention planning and real-time resource management.

    Main responsibilities:
    • Technical design: software architecture, technical specifications for new features.
    • Full-stack development: Backend modules in Java (Spring, Hibernate) and dynamic interfaces in AngularJS.
    • Performance: code optimization for smooth and fast intervention management.
    • Technical Lead: mentoring junior developers, code reviews, resolving complex issues.
    • Testing & Integration: implementation of unit and functional tests, continuous integration, deployment management.
    • Interdisciplinary collaboration: constant communication with functional teams and stakeholders to ensure technical consistency and adherence to deadlines.

    Technologies used: AngularJS, Java, Spring, Hibernate, Flex.
    AngularJS Java Spring Hibernate Adobe Flex ActionScript SonarQube

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Education

  • Master of Science
    Supinfo,
    2012
    INTERNATIONAL MASTER OF SCIENCE (M.SC.) (BAC+5)
  • BTS IRIS
    Lycée Pilote Innovant International,
    2010
    BTS IRIS

Skill set

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