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Baptiste WallerichBW

Baptiste Wallerich

Supermalter

SEO/GEO Expertise for Ambitious Projects

€850/day
46 projects
Paris, FR
15+ years

Average response time: 1 hour

Freelancer profile translated to English.
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About Baptiste

SEO, Trainer, Developer, and Fireworks Expert 🎆 | 10 years of experience with the best (Fnac, Renault, Radio France…)

I simply solve the most complex SEO issues:
  • High volume (millions of URLs)
  • Multilingual sites
  • Ambitious redesigns
  • Aggressive competition
  • Algorithmic penalties
  • Triple-digit growth objectives
  • Scale-ups and hyper-growth startups
My site: Several operating models possible:
  • Coaching: I help you execute or refine your strategy
  • Partially outsourced: we co-build the strategy together and divide the tasks
  • 100% outsourced: you entrust me with your entire SEO strategy and I execute the entire campaign for you

Services📦
  • SEO Audit (internal, external, semantic, technical)
  • Roadmap, content writing
  • Scoping, project management
  • SEO Migration
  • Maintenance, alerting
  • Data analysis, reporting
  • Team training

Client and Sector References✨
  • Media (Radio France, 20 minutes)
  • Tech (Ledger)
  • E-commerce (Fnac Darty Group, Maisons du monde)
  • Construction (Saint-Gobain Group)
  • Industry (Renault Group)
  • Travel (PromosĂ©jours)
  • Music / cultural industry (Qobuz)
  • Food (Danone / Whisky.fr / Francine)
  • Electronics (Terraillon)
  • Insurance (AXA)

Solutions and Tools Mastered⚒️
  • Google Suite: Adwords / Analytics / Search Console
  • Dashboarding and tracking: Looker Studio / GTM
  • Crawling: OnCrawl / Botify / Screaming Frog / Scrapy / BS
  • Awareness: Ahrefs / Majestic / Mention
  • Programming: PHP (advanced) / JS (advanced) / HTML (expert) / CSS (Expert), Bash / Python (basic) / R (basic)
  • Frameworks: VueJS / jQuery
  • Others: Google Sheets (expert), SEMRush, Prerender, Redirection.io, AWR

Site Types
  • From showcase sites to very high volume sites
  • Traditional CMS (WP, Drupal...)
  • From newly launched sites to technical/UX/functional redesigns
  • Swedish

    Basic

  • Spanish

    Basic

  • English

    Fluent

  • French

    Native or bilingual

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

Experience

  • CHANEL SAS - GDS Chanel.com
    SEO GEO Expert
    LUXURY GOODS
    December 2025 - April 2026 (4 months)
    Neuilly-sur-Seine, France
    Objective:guarantee operational excellence (minimal regressions), scale operations, prepare for the future (GEO)

    What I did

    - Managed operational teams, agencies, exchanges, and coordination with various stakeholders
    - Automated non-regression tests (CI/CD, Playwright)
    - Partially automated functional specifications based on documentation (+ proofreading)
    - Produced reports (Looker Studio), data analysis, data-driven actions
    - Built an SEO data lake (Google Analytics, Google Search Console)
    - Active monitoring and R&D on GEO, AI, nocode, and future of search (agentic) topics
    Technical SEO SEO Audit GEO SEO Strategy Data Analysis
  • Maisons du Monde
    Technical SEO Expert
    E-COMMERCE
    January 2024 - December 2024 (11 months)
    Paris, France
    Role:Technical SEO Consultant

    Objective:secure SEO performance on a high-volume e-commerce site (avoid regressions) and improve discoverability through internal linking and facets

    What I did
    • Implemented SEO non-regression tests (PLP/PDP templates, key tags, rendered content)
    • Detected and corrected anomalies related to releases (titles, indexing, missing content)
    • Optimized internal linking (contextual links, SEO cross-sell, crawl depth)
    • Redesigned facet management (controlled indexing, crawl rules, SEO prioritization)
    • Reduced duplication related to filter combinations
    • Improved indexation coverage on strategic pages (categories + potential facets)
    • Collaborated with product/tech teams to integrate SEO into deployment cycles ("SEO by design" logic)
    • Secured SEO performance on a high-volume e-commerce site (avoid regressions) and improved discoverability through internal linking and facets
    Technical SEO Facet Indexing Internal Linking Crawling Regression Testing
  • AXA Assistance
    SEO GEO Expert
    BANKING AND INSURANCE
    January 2024 - Today (2 years and 5 months)
    Paris, France
    Role:SEO / GEO Expert

    Objective:support in-house SEO teams on the most technical issues (crawls, technical audits), debunk, test, measure, and evangelize GEO best practices

    What I did

    - Comprehensive SEO audit (technical, content, linking)
    - Sanity score, crawls, and non-regression tests
    - Identification of quick wins, structuring of roadmaps
    - Multi-site / multi-market dashboarding and reporting
    - Active monitoring and R&D on GEO, AI, evangelization, and debunking topics
    GEO SEO Audit Technical SEO Crawling SEO Strategy

Reviews

4.8

Out of 21 ratings

HugoH

Hugo

Hugo Crevisier

Reviewed on 5/28/2024

Baptiste's intervention was effective and valuable in dissecting a technical and competitive issue on a SERP we know well. He provided us with unexpected analysis and actions that quickly yielded results. I recommend.
S

Stéphanie

Maisons Du Monde France - Affacturage

Reviewed on 6/15/2023

Thank you Baptiste for this service! We appreciated your informed advice, your experience in very technical subjects and their daily management (and your friendliness too ;)). We would be very happy to collaborate with you again.

Recommendations

SJ
Thierry HilaireTH
Les Artisans NumériquesLA
Stéphanie Jurain and 2 other people have recommended Baptiste

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Education

  • Master in Digital Strategy
    Ecole multimédia
    2016
  • Webmarketing and Website Design Project Manager
    Campus fonderie de l'image
    2015

Skill set

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