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James B.

CTO - FullStack Engineer - 15 years XP

    TJM
    À partir de 500 €/jour
    Localisation
    Da nang · Full remote
    Langues
    Français, Anglais

    Disponible immédiatement · 0 ans d'expérience

    Compétences

    • React4/5
    • TypeScript4/5
    • Go4/5
    • Redis4/5
    • PostgreSQL3/5
    • Python4/5
    • REST API4/5
    • Docker4/5
    • Supabase3/5

    Spécialités

    • Design systems
    • Architecture logicielle

    Expériences

    1. Lead Developer

      Freelance ·

      Work on various projects since 15years ( fff.fr, remplajob.com, le10sport.com, and much more )

      • Founder & CEO

        Upsiv Inc. ·

        Founded and lead a B2B SaaS company (Delaware C-Corp), defining product direction, pricing strategy, and go-to-market · Designed a four-tier pricing structure (Test / Growth / Scale / Elite) with tiered commission rates · Built an investor outreach strategy targeting US angel investors via Crunchbase and Apollo · Building out company social presence and an AI-avatar-driven YouTube content channel for organic acquisition · Shipped the core platform end-to-end: AI-persona product, subscription/paywall flow, credit-based worker system, SSE streaming, transactional email pipelines, and an audio/v…

        • Founder

          The Margin Method (TMM ·

          Run a Meta Ads and CRO consulting practice for e-commerce and DTC brands · Delivered full account audits (tracking issues, creative fragmentation, ad-set structure) and hands-on campaign management for retained clients

          • E-commerce Operator

            Independent ·

            Managed and scaled Meta ad accounts across multiple e-commerce operations, including DOM-TOM-focused dropshipping, achieving documented ROAS above 12x · Built SaaS side-products (Textonaut, BlockNova)