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Pierre Le GuernPL

Pierre Le Guern

Engineer

€500/day
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Pierre

I am an experienced tech lead and full-stack developer with over 15 years of experience in designing and scaling web and mobile applications. I have held positions as CTO, Web Tech Lead, VP of Engineering, and CEO, combining operational technical expertise with strategic product and team management.

I am proficient in JavaScript/TypeScript, React Native, ReactJS, Angular, Node.js, Express, MySQL, PostgreSQL, and GraphQL, and I have led projects ranging from independent web consulting to enterprise platforms for the banking sector and restaurant management.

Throughout my career, I have delivered scalable solutions, optimized business processes, and guided teams to develop robust and intuitive applications. I thrive at the intersection of technology, strategy, and customer value creation, helping businesses innovate while ensuring technical excellence.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Merim Groupe
    VP of Engineering
    RESTAURANTS AND FOOD SERVICE
    October 2024 - Today (1 year and 10 months)
    Toulouse, France
    As VP of Engineering, I lead the entire technical organization and product development for Merim Groupe, focusing on consolidating and optimizing SYMBIOZ, the management solution for restaurants and franchises. I oversee development and design teams, define the product roadmap, and ensure the technical and functional quality of deliverables.

    Management and supervision of development and design teams.

    Leadership of the product roadmap and product management.

    Full-stack development and technical documentation of strategic projects.

    Merger and optimization of existing projects to offer new features to clients.

    Technologies used: JavaScript/TypeScript, React Native, ReactJS, Angular, Node.js, Express, NestJS, MySQL, PostgreSQL, GraphQL.

    Key impact: consolidation and evolution of the SYMBIOZ platform, opening new markets, and improving customer experience through robust and scalable technical solutions.
    Express React Native Node.js
  • SYMBIOZ
    Co-Founder - CEO
    RESTAURANTS AND FOOD SERVICE
    November 2015 - October 2024 (8 years and 11 months)
    Toulouse, France
    As co-founder and CEO, I led the complete development of SYMBIOZ, an innovative solution for managing and optimizing restaurants and points of sale. I was responsible for the overall strategy, product and technical direction, as well as team management.

    Full-stack development on JavaScript/TypeScript, React-Native, ReactJS, Angular, Express, MySQL, PostgreSQL, GraphQL, Node.js.

    Infrastructure management and server optimization to support over 500 client establishments.

    Design of modular and scalable solutions to improve the operational performance of restaurants.

    Fundraising and strategic partnerships to accelerate company growth.

    Key impact: implementation of a comprehensive restaurant management platform, combining technological innovation and business process optimization.
    Express React Native React.js
  • IT-CE (Informatique et Technologies - Caisse d'Epargne)
    Web Tech Lead
    BANKING AND INSURANCE
    July 2017 - June 2020 (2 years and 11 months)
    Toulouse, France
    Technical lead on web projects for internal employees and clients, with a focus on simplicity and security in the banking sector.

    Functional and technical design of web applications and microservices.

    Front-end development with Angular and back-end with Node.js / Express.

    Management of technical specifications and end-to-end project monitoring.

    Technical supervision and support for development teams.

    Key impact: creation of secure and optimized web solutions, facilitating use for non-technical users while respecting regulatory constraints.
    Express Node.js digital-transformation

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Education

  • Bac STI
    Antoine Bourdelle
    2006
    Lycée

Skill set

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