Lead Product Designer First Design Hire

Jua
Berlin, Berlin
Full Time
Posted August 15, 2025
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Application opens on company website

Job Description

A Lead Product Designer responsible for defining and executing the UX/UI design for an AI-driven weather platform, collaborating with cross-functional teams to create intuitive, reliable tools for expert workflows in a fast-paced, innovative environment.

Key Responsibilities

  • Lead the full UX/UI design lifecycle for web and platform, from research to delivery.
  • Conduct user research, usability testing, and synthesize feedback into actionable insights.
  • Leverage analytics tools to inform design decisions and measure impact.
  • Create and validate design concepts using user flows, personas, experience maps, wireframes, and prototypes.
  • Develop and maintain a modular Figma design system with documentation and guidelines.
  • Collaborate with engineers to ensure accurate implementation and resolve design trade-offs.
  • Craft microcopy to support usability and tone consistency.
  • Communicate design rationale and present work to stakeholders.
  • Stay current on UX/UI trends, tools, and best practices.

Requirements

  • Seven (7) years of experience designing B2B, data-rich technical products.
  • Experience as the first solo design hire or founding designer is preferred.
  • A strong portfolio showcasing end-to-end design work, with emphasis on usability, visual design excellence, and measurable outcomes.
  • Experience instrumenting PostHog or equivalent analytics tools, defining an event taxonomy, building funnels and cohorts, and using insights to inform design while respecting user privacy.
  • Advanced skills in Figma prototyping, component libraries, and familiarity with other design wireframing tools.
  • Hands-on experience with AI-assisted design tools and the ability to prompt, evaluate, and refine outputs into production-ready designs.
  • Strong understanding of responsive design, accessibility standards, and design systems.
  • Excellent collaboration skills and proven ability to work in agile, cross-functional teams.
  • Strong written and verbal communication skills in English, with confidence in presenting to diverse stakeholders.

Benefits & Perks

Fair pay
Generous stock options
Work in a product culture where engineers drive decisions and move quickly from idea to production
Join a mission-driven company applying cutting-edge ML to climate and energy challenges
Work on groundbreaking weather forecasting and machine learning technology
Collaborate in a high-agency, hybrid team environment balancing flexibility and in-person work
Build solutions for the energy-trading sector to influence global markets
Opportunity to shape a meaningful industry

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