Work with us.

Open roles.

• Growth Lead, Consumer & Community

  Full-time · Paris or remote (EU)

  Own how our first users discover, try, engage with, keep using and advocate for the Karbonomics consumer experience — and build the early community that helps it grow.

  What you will do:

  • Design and grow the early user funnel, from acquisition and activation through retention, referral and advocacy
  • Turn user behaviour, testing insights and product data into growth experiments and product-led growth loops
  • Initiate and scale our consumer community, building the channels, rituals and feedback loops that drive engagement and belonging
  • Develop and test community-led growth, sharing, social-proof and referral mechanisms
  • Own growth analytics, funnel performance and experimentation, continuously translating learning into action
  • Create hands-on growth and community content, including lifecycle copy, onboarding messages, campaigns and lightweight social content.

  What we are looking for:

  • 5+ years in consumer, product or community-led growth, ideally in an early-stage digital business
  • Demonstrated experience growing a consumer app or digital product, including 0→1 or early-scale environments
  • Strong command of activation, retention, referral, funnels, experimentation and growth analytics
  • Experience building or activating an early user or customer community
  • Strong content and copy instincts, with the ability to create effective user-facing and community content hands-on
  • Comfortable operating with high ownership in a fast-changing startup environment, working closely with product, design, behaviour and founders,
  • Fluent English and French required

• Strategic Partnerships & Market Development Lead

  Full-time · Paris or remote (EU)

  Build the relationships and market pathways that take Karbonomics from early engagement to launch partnerships, commercial adoption and a growing ecosystem.

  What you will do:

  • Research, identify and prioritise brands, retailers and strategic ecosystem partners where Karbonomics can create distinctive business value
  • Open and develop senior relationships, turning Karbonomics' differentiation into compelling, partner-specific value propositions
  • Own the journey from first engagement through discovery, proposition development, pilot and partnership formation
  • Build and continuously refine our B2B market-development playbook, using partner conversations and market feedback to sharpen targeting & approach
  • Help establish Karbonomics as a trusted and differentiated partner, ensuring credibility, clarity and consistency throughout the partner journey
  • Develop relationships beyond individual partnerships to help create a broader ecosystem of complementary players, advocates and strategic collaborators

  What we are looking for:

  • 6+ years in business development, strategic partnerships or B2B market development, ideally across brands, retail, consumer products, technology or sustainability
  • Demonstrated experience creating new strategic or commercial relationships from the ground up, from prospect identification through partnership development
  • Strong ability to understand a complex, differentiated proposition and translate it into a compelling business case for senior stakeholders
  • Excellent commercial judgement, relationship-building, negotiation and executive-level communication skills
  • Strong instinct for positioning, differentiation and trust-building, and how these contribute to adoption and long-term partner value
  • Fluent English and French required