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At Sillage, we’re reshaping how B2B GTM teams connect with their prospects.
We believe the current technological shift, AI, agents, and automation, will open entirely new ways for humans to collaborate with machines. Our mission is to turn these innovations into a seamless, human-centered product experience that makes every sales interaction more intelligent, timely, and personal.
Job Description
As our Founding Product Designer, you’ll join the core team at a pivotal moment. You’ll define how users experience Sillage: from the product’s visual identity to the way humans interact with our AI agents.
Preferred Experience
Your mission
You’ll take full ownership of the product experience and design foundation.
You Will
- Reimagine how sales professionals interact with AI through intuitive, high-impact interfaces.
- Redesign our existing product and challenge current UX flows to make them simpler, faster, and more inspiring.
- Collaborate closely with the founders to translate product vision into tangible, elegant design decisions.
- Define Sillage’s visual language across product and brand, ensuring a consistent, distinctive identity.
- Partner with the engineering team to turn your designs into reality, ensuring smooth implementation and polish at every step.
Who You Are
We’re looking for someone with a maker’s spirit, a product mindset, and the drive to build something meaningful from the ground up.
You Might Be a Great Fit If You
- Have 3+ years of experience designing B2B SaaS or data-heavy products.
- Thrive in fast-paced, early-stage environments and love iterating with founders and engineers.
- Can translate complex systems into clear, delightful interfaces.
- Balance strong craft skills (UI, interaction, motion) with strategic thinking about user experience.
- Are curious about the future of AI and how it changes the relationship between humans and software.
- Value openness, honesty, and autonomy.
- Join a funded early-stage team led by repeat founders with deep product and market experience.
- Shape the core experience of a product that’s redefining sales intelligence.
- Work hand in hand with the founding team so every idea you ship has real impact.
- Receive equity as a founding member and build a design culture from scratch.
- Enjoy a hybrid setup: we’re based in Paris but flexible within two hours of our time zone.
- Intro call with the CTO (30 min) to align on motivations and vision.
- Deep-dive conversation with the founders (45 min) to explore product and design approach.
- Short case or design discussion to understand your process and thinking.
- Final conversation with the broader team to discuss culture fit and open questions.
Additional Information
- Contract Type: Full-Time
- Start Date: 05 January 2026
- Location: Paris
- Experience: > 3 years
- Possible partial remote
Key Skills
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