Senior Product Designer (Paris/NYC)

Join Hyperline, a fast-growing startup, as a Senior Product Designer. In this role, you will own the end-to-end design of Hyperline's core product surfaces, turning complex concepts into clear, usable flows. You will work directly with the founders and engineering team, ship quickly, and get your work in front of real customers. This is a unique opportunity to make a significant impact in a category filled with confusing tools.

• Concevoir et réaliser l'ensemble des surfaces du produit principal de Hyperline, en transformant des concepts complexes en flux clairs et utilisables.
• Assurer la qualité de l'interaction et de l'aspect visuel du produit, en maintenant un niveau élevé d'exigence.
• Travailler directement avec l'ingénierie pour garantir que les conceptions sont réalisables, évolutives et pertinentes.
• Strong design craft: interaction, visual, and systems thinking
• Product instinct. Can frame a problem and design a solution from ambiguous input
• Ability to make complex, data-dense, operational products feel simple
• Technically fluent enough to work closely with engineers on constraints and tradeoffs
• Comfortable with AI tools, prototyping, and fast iteration
• Wants to talk to customers and understand their real workflows
• Clear communicator who can explain design decisions and rationale
• Pragmatic shipper who scopes tightly and avoids overbuilding
• Mature enough to operate independently with leadership
• Comfortable with ambiguity, tradeoffs, and incomplete information
• Wants deep ownership of one product and is energized by a focused, steady company rather than hypergrowth