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Johann JusteJJ

Johann Juste

Supermalter

Growth Marketing Full-Funnel | Ads · CRO · Data

€700/day
7 projects
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Johann

E-commerce, SaaS, D2C, ESS: different sectors, one recurring question: how do we attract people, and how do we keep them?

E-commerce & Performance:E-commerce Project Manager for high-traffic websites (Nescafé Dolce Gusto, Arkose&co, Lulu dans ma rue): commercial animation, landing pages, product page optimization, conversion rate improvement. Agency coordination and CMS management: Magento, Shopify, WordPress/WooCommerce.

Digital Acquisition, Paid Media & Lead Generation:Results-oriented Traffic Manager: Meta Ads, Google Ads, and LinkedIn Ads campaigns, account structuring, A/B testing, ROAS and CPL optimization. B2B lead generation to supply sales teams with qualified prospects. Tracking via Google Tag Manager, GA4, and Google Search Console. Five-figure monthly budgets managed autonomously.

CRM, Marketing Automation & Growth Hacking:Onboarding, cart abandonment recovery, nurturing, loyalty: scenario implementation on Salesforce, HubSpot, Brevo, or Mailchimp. SaaS and self-service acquisition included. Over 5 million emails sent, KPIs continuously monitored.

Digital Project Management:Large corporations or teams of 6: scoping, roadmapping, and agency management remain the same. Tagging plan, dashboards, reporting to never navigate blindly. Tools: Trello, Jira, Asana, Notion.

Available for acquisition, growth hacking, digital project management, or CRM management missions.
  • French

    Native or bilingual

  • English

    Native or bilingual

  • Spanish

    Fluent

  • German

    Basic

Can work on-site
Paris (up to 10km), Marseille (up to 10km), Nantes (up to 10km), Lyon (up to 10km), Rennes (up to 10km)

Experience

  • Ordalie
    Malt logoOn Malt
    Paid Acquisition & Data Growth Consultant (B2B SaaS)
    SOFTWARE PUBLISHING
    March 2026 - July 2026 (3 months)
    Paris 11 Popincourt, France
    Full-funnel growth support for Ordalie, a B2B LegalTech SaaS company, focusing on acquisition and data management.

    Paid Acquisition (Google Ads / LinkedIn Ads): Reworking bidding strategy (return to tCPA, signal sequence → Stripe values → LTV-based value bidding), isolating Brand from acquisition economics, producing compliant RSA ads and budget pacing scripts.

    CRM & Sales Ops (Attio): Complete CRM structuring, object architecture, Stripe Invoicing integration, round-robin attribution triggered on activation rather than signup. Sales management dashboards (targets vs. actuals, weighted forecast, Net MRR), stage-gate charter, and pipeline hygiene diagnosis.

    Lifecycle & Prospecting: Activation, re-engagement, and win-back email sequences based on conversion insights; qualification of a database of +950 ICP contacts and multi-sales nurturing structuring.

    Analytics: Cohort-based LTV modeling and definition of mid-funnel activation signals to feed Smart Bidding.
    B2B Lead Generation CRM & Marketing Automation Growth Strategy Paid Media (Meta, Google, LinkedIn Ads) Revenue Operations (RevOps) Management
  • Organic Stories
    Malt logoOn Malt
    E-commerce Consultant — Audit, Scoping & UX/UI Design
    AGRICULTURE
    April 2026 - June 2026 (2 months)
    Paris, France
    Supporting Organic Stories in the first phase of their e-commerce redesign: existing audit, project scoping, and UX/UI mock-up design.

    Specifically: UX audit of the purchasing process to identify friction points and conversion levers; functional scoping and prioritization of redesign tasks with the teams; design of wireframes and then design mock-ups for key pages in the sales funnel.

    Objective: Lay conversion-oriented foundations before the development phase.
    Conversion Rate Optimization (CRO) Project Scoping E-commerce Strategy E-commerce Marketing Shopify Site Creation
  • Guest Adom
    Malt logoOn Malt
    Growth Consultant — Google Ads & Meta Paid Acquisition
    TRAVEL AND TOURISM
    April 2026 - June 2026 (2 months)
    Paris, France
    Managed Guestadom's paid acquisition on Google Ads and Meta, across two distinct funnels: B2C acquisition of homeowners and B2B recruitment of concierges.

    Scoping and complete reconstruction of the Google Ads account (7 campaigns structured by region and objective), ensuring tracking and conversion reliability, then switching Search campaigns to smart bidding (Maximize Conversions).

    Restructured Meta campaigns and launched new B2C and B2B lead generation campaigns.

    Results in the transition month: more than double the leads generated per week (+118%), overall CPL reduced by 10%, several clients signed, including a segment showing a 275% ROI.

    Reactivated Google conversion tracking.
    Google Ads Account Management Meta Ads Manager Growth Marketing B2B Business Development B2C Marketing

Reviews

5.0

Out of 4 ratings

M

Matthieu

Responsable ecommerce - Organic Stories

Reviewed on 7/1/2026

Johann supported us through an initial phase of audit, scoping, and mock-up design as part of our e-commerce redesign project. We particularly appreciated his availability, responsiveness, and the quality of our exchanges throughout the mission. Attentive to our feedback, he demonstrated seriousness, professionalism, and real commitment to moving the project forward. A pleasant collaboration that we recommend for UX/UI design and web design missions.
L

Léa

Growth / SEO / CRM - Ordalie

Reviewed on 3/31/2026

Johann supported us with our entire growth strategy at Ordalie: managing ad campaigns, implementing effective inbound mechanisms, and structuring the monitoring of our key KPIs. Johann doesn't just take isolated actions; he builds a truly sustainable, industrializable, and tailor-made system. In just a few weeks, we had a much clearer understanding of our acquisition costs and conversion levers. He also adapted quickly to the specifics of our market (which is not the most intuitive). He is proactive, rigorous, and always results-oriented. He also showed creativity and ingenuity in proposing approaches we wouldn't have thought of. I highly recommend him!

Recommendations

Thomas Q.TQ
Victoria Rey-MilletVR
Maude DefayMD
+2
Thomas Q. and 4 other people have recommended Johann

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Education

  • Webmarketing & UX
    HETIC
    2020
    Le Mastère Marketing et UX design donne l'opportunité de développer une expertise ainsi qu'une vision précise des besoins et évolutions du marché dans le domaine large qu’est le marketing digital. Le programme est axé sur les stratégies marketing web et l’expérience utilisateur et vise à former des spécialistes en marketing digital au service des stratégies de croissance des entreprises. La formation est résolument pragmatique, opérationnelle et centrée sur les besoins utilisateurs de sorte à maîtriser l’ensemble des enjeux et des problématiques des stratégies de croissance digitales dont vous aurez la charge une fois diplômé.

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