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Harmonie Blondel HendersonHB

Harmonie Blondel Henderson

Supermalter

French Specialist — AI-Powered Localization

€349/day
2 projects
Mouans-Sartoux, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Harmonie

You've spent months perfecting your product.

Then it hit the French market… and crash. 😣

Unnatural UX copy.
Nuance-lacking AI-generated content.
CRM emails that lose their impact.
A brand voice that fades with adaptations.

That's precisely where I come in. 💪

Among my clients:

• Vinted
• Malt
• Tourlane
• Rinkel
• nuud

10+ years of experiencein localizing and adapting content for the French market

90+ client recommendationson LinkedIn

French Language Leadfor several international clients

✔ **Expertise in AI-assisted localization workflows**, linguistic review, and quality assurance

I help companies looking to grow their presence in the French market.

I specialize in:

📱 **Product localization**: interfaces, mobile apps, push notifications, help centers, FAQs, and websites.

✉️Marketingand **CRM**: emails, newsletters, marketing campaigns, landing pages, SEO, and ad content.

🤖 **AI-assisted localization workflows**: reviewing and validating AI-generated content, adapting prompts to French, terminology harmonization, linguistic quality assurance, and brand voice validation.

🌍 **Multilingual projects**: sourcing linguists, coordination, quality monitoring, and project management in over 20 languages.

Looking for a French market expert who can blend AI, linguistic quality, and brand voice? Let's connect! 👋
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Fluent

Remote only
Primarily works remotely

Experience

  • Malt Community SA
    Malt logoOn Malt
    French Localization Specialist
    TECH
    July 2025 - Today (1 year and 1 month)
    🎯Context

    Participated in the localization of the annual Tech Trends report, a strategic publication showcasing key trends in the freelance and tech markets. Additionally, localized associated landing pages and marketing content.

    🚀 My mission
    • Localized product content (user interface, features, user journeys)
    • Translated and adapted CRM and marketing emails
    • Localized web pages and landing pages
    • Adapted compliance content
    • Localized the Malt Tech Trends 2026 annual report and its associated content
    • Provided terminology consulting and validated localization choices
    • Proofread and performed linguistic QA
    • Collaborated with Product, Marketing, and Localization teams

    🤖 AI & innovation
    • Used AI assistants to accelerate certain linguistic research tasks
    • Validated and improved AI-generated suggestions
    • Verified terminological and stylistic consistency
    • Performed human quality assurance before publication

    🛠️ Tools

    Phrase • Figma • Slack • ChatGPT • HubSpot

    Results
    • Contributed to a high-visibility annual publication
    • Worked directly with Malt's internal teams
    • Acted as a linguistic consultant beyond simple translation
    • Delivered content tailored to the French market's expectations while respecting the brand voice
    Localization Product Localization AI-assisted Localization Copywriting Translation
  • 👕 Vinted
    French Linguistic Lead
    E-COMMERCE
    October 2023 - Today (2 years and 10 months)
    🎯Context

    For over 3 years, I've supported various Vinted teams as the go-to French linguistic expert, ensuring a consistent and natural user experience across all touchpoints.

    🚀 My mission
    • French linguistic lead for multiple product teams
    • Localized and adapted UX, CRM, marketing, legal, and customer support content
    • Managed and evolved the French style guide and terminology
    • Performed proofreading, linguistic QA, and pre-publication validation
    • Supported the evolution of the French brand voice
    • Participated in creative projects (TV, online video, brand campaigns)

    🤖 AI & innovation
    • Evaluated and validated AI-generated content
    • Defined best practices for preserving brand voice in AI-assisted workflows
    • Identified and corrected recurring errors in AI content
    • Used AI assistants to speed up certain linguistic tasks while maintaining human quality control
    • Contributed to improving localization processes integrating AI

    🛠️ Tools

    Phrase • Figma • Jira • Slack • Frame

    Result
    • Long-term collaboration with multiple teams
    • Hundreds of localized features and campaigns
    • Maintained brand consistency despite constant product evolution
    Localization Copywriting UX Writing Generative AI Content Strategy
  • 📲 Rinkel
    French Localization Specialist
    TELECOMMUNICATIONS
    January 2025 - Today (1 year and 7 months)
    🎯Context

    Supported Rinkel's launch in the French market, aiming to provide a user experience fully adapted to French users' expectations.

    🚀 My mission
    • Localized website and landing pages
    • Adapted the mobile app and Google/App Store listings
    • Localized transactional emails
    • Translated help center and FAQs
    • Adapted marketing and sales content
    • Provided linguistic and cultural consulting for the French market
    • Ensured terminological consistency and brand voice adherence

    🤖 AI & innovation
    • Used AI assistants to expedite certain localization tasks
    • Validated and improved AI-generated content
    • Performed human quality assurance before publication
    • Verified terminological consistency across all platforms

    🛠️ Tools

    ditto • Figma • ChatGPT

    Results

    • Contributed to Rinkel's launch in the French market
    • Ensured a consistent user experience across all touchpoints
    • Delivered communication tailored to French user habits and expectations
    • Established a long-term partnership based on linguistic expertise
    Localization Go-to-Market (GTM) Strategy UX Writing GEO SEO

Reviews

5.0

Out of 2 ratings

TeresaT

Teresa

Localization Manager at Malt - Malt Community SA

Several months project

-

Reviewed on 1/9/2026

Working with Harmonie is a fantastic experience always, and I look forward to our renewed collaboration in 2026. Harmonie is a Localization expert that shows great attention to detail, knows how to best carry the meaning from English to French and is proficient in product (including ICU and variables), marketing (including transactional emails), legal (T&C, contracts and privacy policies) and compliance.
TeresaT

Teresa

Malt Community SA

Several days project

-

Reviewed on 9/2/2025

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Education

  • Master in Intercultural Communication and Translation
    ISIT
    2017
  • Literary preparatory class
    Lycée Jeanne d'Arc
    2012
    Classe préparatoire littéraire

Skill set

Categories