Jobs in Wiesbaden, Germany

We are currently looking for a Senior Product Designer.

Cello is looking for a Senior Product Designer to help design and scale core product experiences as the company continues its shift toward a more self-serve, product-led future.

Used by over 10 million end users each month, Cello is embedded directly into customers’ products. This role focuses on owning and shipping high-impact product areas – across end users, operators, and AI‑assisted workflows – designing clear, scalable, interaction‑first experiences that support new growth use cases in an increasingly automated, AI‑driven world.

• Seed, GrowthTech
• Remote‑first (+/-3 CET)
• Competitive base salary + equity
• Freelancer/Contractor model possible

• Unique growth opportunity: early‑stage GrowthTech start‑up backed by top‑tier investors like HV Capital, ByFounders, TinyVC, and operator angels from YouTube, Personio, and Workday
• Complex and interesting product: APIs, attribution models, recommendation engines, and more.
• Strong momentum: Software companies need cost‑effective customer acquisition channels → we’re the solution.
• We have >10M users on the Cello platform and work with iconic customers like Miro, Typeform and Veed.
• Become a central part of an experienced and passionate co‑founding team on our journey to a truly great company (ex‑Twilio, ex‑Wise, ex‑Skype, etc.), +40% of the team consists of former founders

• You will own end‑to‑end product design for key product areas, from early concepts to shipped experiences.
• You will design clear, user‑centred workflows for end users, growth teams, partners, and developers.
• You will partner closely with product and engineering to shape solutions, make tradeoffs, and execute effectively.
• You will use user research and product data to inform decisions, validate assumptions, and iterate quickly.
• You will contribute to and evolve Cello’s design system and shared patterns.
• You will raise design quality through hands‑on work, thoughtful critique, and attention to detail.
• You will ensure a coherent product experience across key customer touchpoints.

❤️ We care less about your exact background and more about how you think and build. You’re curious, hands‑on, and motivated by shaping meaningful products — comfortable operating with ownership, ambiguity, and scale as Cello grows.

• Senior experience in product / UX / interaction design (+4 years of experience)
• Proven track record owning and shipping complex product areas end‑to‑end
• Strong interaction and visual design skills across real‑world product flows
• Experience executing within existing product direction and design systems
• Comfortable working with product and engineering to make day‑to‑day tradeoffs
• Ability to take ambiguous problems and turn them into shipped solutions, with guidance

• Experience with embedded products, platforms, or developer‑facing tools
• Exposure to data‑heavy or AI‑assisted product experiences
• Experience contributing to (not owning) shared design systems

• Your background is primarily marketing or brand design

❤️ In the end, it’s all about the team and our culture. Understand why we love our job and see what it’s like to work at Cello in our People Playbook (bit.ly/cello-people-playbook). We have some compelling perks and benefits.

⭐ We are the Revenue Growth Infrastructure for digital businesses to acquire, retain, and monetize customers - at scale in the AI era. Cello turns word‑of‑mouth into a systematic growth channel across referrals, partners, and affiliates.

Our referral platform allows users and affiliates to share and discover any software product with only a few clicks. By inspiring users to share the products they love, we are virtually reinventing how companies sell and market products.

Category leaders including Typeform, Miro and Veed trust Cello to accelerate their growth flywheel.

Apply for this job