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Antoine VoinchetAV

Antoine Voinchet

Next.js & AI Full-Stack Developer

€450/day
Paris, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Antoine

Are you wasting time on repetitive tasks, sprawling Excel files, or manual processes that slow down your team?

I design and deliver custom internal tools — dashboards, automations, mini-CRMs, document generation — in 3 to 10 business days, on a fixed-fee, turnkey basis.

My method: a modern stack (Next.js, TypeScript, Supabase) combined with AI-assisted development workflows that allow me to deliver quickly without sacrificing code quality. Each project goes through a rigorous cycle: functional scoping, iterative development, testing, and documented delivery.

My profile at a glance:
  • ESSEC PGE student & founder of two SaaS (public procurement + e-commerce)
  • Hands-on experience in technical integration (Shopify, SFCC, Magento) at a tech startup
  • Stack: Next.js (App Router), React, TypeScript, Supabase, AI APIs (Claude, OpenAI)
  • Fixed-fee projects only. No time-and-materials, no daily rates. You know what you're paying for before you start.

Ideal for:SMEs, VSEs, early-stage startups, and ops teams who want a functional tool quickly, without hiring a full-time developer.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Paris (up to 20km)

Experience

  • BidOps
    Founder & Full-Stack Developer
    PUBLIC SECTOR
    February 2026 - Today (6 months)
    Paris, France
    B2B SaaS for assisting with French public procurement responses, powered by AI. Solo design, architecture, and development of the entire platform.

    Key achievements:
    • Architecture and end-to-end development of a complete platform: Next.js (App Router), TypeScript, Supabase, Claude API
    • Design of a RAG pipeline for automatic analysis of tender documents (DCE): extraction, chunking, vector indexing, and contextual response generation
    • Development of an automated scoring and compliance system to evaluate tender suitability with the company's profile
    • Writing the complete PRD (47 requirements, 8 modules) and end-to-end product management
    Next.js TypeScript
  • Kleep
    Full-Stack Developer & Technical Integrator
    E-COMMERCE
    September 2025 - February 2026 (5 months)
    Paris, France
    SaaS startup specializing in e-commerce sizing (AI-powered size recommendation). Integrated into the technical team as a technical CSM, I quickly took charge of internal development projects in addition to my client integration tasks.

    Key achievements:
    • Design and development of an internal dashboard connected to Gmail to centralize and track customer tickets, follow-ups, and real-time support KPIs
    • Implementation of a RAG (Retrieval-Augmented Generation) system on the company's internal documentation, allowing teams to instantly find technical procedures and answers to recurring questions
    • Management of technical integrations for +10 brands (Shopify, SFCC, Magento): onboarding, configuration, debugging, and monitoring
    • Creation of technical documentation, visual benchmarks, and support materials for clients and the team
    Artificial Intelligence React.js
  • Pikt
    Founder & Full-Stack / AI Developer
    E-COMMERCE
    December 2025 - Today (8 months)
    Paris, France
    AI-assisted product photography platform for French e-commerce businesses (fashion, cosmetics, furniture). Technical design and development of the complete image generation pipeline.

    Key achievements:
    • Design of an advanced AI pipeline combining segmentation (SAM 2, GroundingDINO), relighting (IC-Light), captioning (Florence-2, JoyCaption), and image generation
    • Development of ComfyUI workflows deployed on GPU infrastructure (RunPod, RTX 4090) with automated orchestration
    • Implementation of an e-commerce site scraper for creating fine-tuning Datasets (LoRa)
    • Recruitment and onboarding of beta testers across three verticals, creation of tutorials and training materials
    Artificial Intelligence

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Education

  • Master in Management
    ESSEC BUSINESS SCHOOL
    2028
    Master in Management
  • CPGE - ECG
    INSTITUTION SAINT-JEAN
    2024
    Economics

Skill set

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