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Lucas G.LG

Lucas G.

Fullstack Software Engineer | Product Experience

€500/day
Paris, FR
3-7 years

Average response time: 1 hour

About Lucas

- 5+ years of experience as Full-stack Dev & UX/UI Designer (both in-house and freelance)
- Worked in/for B2B, B2C, (French) Governmental service
- Fractional CTO for a French food delivery startup
- Experience in Agile & remote work environments
- Redesigned 2 startups MVP to improve UX and flow
- Comfortable handling end-to-end tasks / projects (preferably in Agile, short and quick iterations)
- France-born, English-speaking, Germany-based
  • French

    Native or bilingual

  • English

    Native or bilingual

  • German

    Conversational

Remote only
Primarily works remotely

Experience

  • Freelance
    Independent Fullstack Engineer (Consulting)
    September 2024 - Today (1 year and 9 months)
    Germany
    Delivered fullstack consulting projects for startups across US/EU, from MVP builds to post-launch optimization.

    - React-IT (France): Transformed a no-code prototype into a production-ready SaaS MVP. Owned the full stack (frontend, backend, infra) and shipped under a tight deadline with monitoring in place. Launched with a 0.4% error rate in production.

    - Rebar (US, B2B SaaS): Refactored and streamlined the codebase, cutting ~30% redundancy through reusable components and accelerating new feature delivery. Designed and rolled out simplified user flows.

    - Bolto (US, HR SaaS / YC-backed): Globally redesigned the platform and its core workflows to improve product usability and engagement through a refined, simpler user flow.

    - Cogento (US): Launched a MVP in under a month for a US Stealth Startup, from wireframes to technical integration. Built the design system, implemented the landing page, and ensured consistency across frontend components.
    Développement full-stack User Interface Design React.js PostgreSQL CI/CD
  • Ubalia
    Fullstack Engineer
    January 2021 - August 2024 (3 years and 7 months)
    France
    In-house Full-stack Engineer & UX/UI Designer

    - Led development of a national youth discount program portal, scaling to ~1M potential users and delivering a government-backed MVP from concept to launch.

    - Built SaaS platforms and internal tools with React and Svelte, improving client engagement and accessibility across industries.

    - Bridged design and engineering, creating wireframes and user flows, and ensuring technical feasibility aligned with user needs.

    - Collaborated directly with clients to refine product goals and iterate quickly on feedback.

    - Delivered workshops in schools, training 100+ students in React, Node, and accessibility.
    Node.js UI/UX Design Développement full-stack Coaching

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Education

  • Google Data Analytics
    Coursera
    2024
    Certificat professionel émis par Google pour la maitrîse des missions de Data Analyst: - Analyse de données, - Visualisation - Partage & communication
  • Web design, Web Page, Digital/Multimedia and Information Resources Design
    Via Formation
    2021
    Web design, Web Page, Digital/Multimedia and Information Resources Design

Skill set

Categories