13mo ago

Product Designer (UX/UI)

Berlinfull-timemid

DesignProduct Designer

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Quick Summary

Key Responsibilities

produce scalable components, typographic styles, tokens, and documentation for use across multiple high-calibre internal and external teams Translate user stories into journey maps, wireframes,

Requirements Summary

beyond ordinary component libraries, variants, tokens, shared styles, and auto-layout Strong visual craft (typography, colour,

Technical Tools

DesignProduct Designer

HASH's open-source platform helps firms integrate both structured and unstructured information into knowledge graphs that support simulating, optimizing and automating processes. Our mission is to solve information failure, and help everybody make the right decisions. To that end, we're unapologetically excited. Actions speak louder than words, and we measure performance by output. We prioritize speed, and measure product delivery timelines in hours and days, not months and years. We value high-energy, high-expectations people who do what they say and say what they mean. We're committed to building a high-commitment, high-trust environment, and believe that the best teams are most productive together, in-person. This listing is for the opening in Berlin (Germany), although we are also recruiting for the same position in London (UK).

About the Role

~1 min read

As a senior Product Designer working on Novel AI & World Modeling Interfaces you’ll be the steward of our end-to-end product experience: establishing a robust Figma design system, crafting high-fidelity prototypes and production-ready designs, and partnering with engineers to ship pixel-perfect features. You’ll join a cross-functional squad of UX researchers, UI designers, AI scientists, frontend developers, and product managers pushing the limits of what’s possible in the browser, building systems to deliver “Safeguarded AI”.

Own our Figma design system: produce scalable components, typographic styles, tokens, and documentation for use across multiple high-calibre internal and external teams
Translate user stories into journey maps, wireframes, and polished UI ready for user testing cycles, and later production
Develop intuitive, informative interfaces which enable non-technical users to create models of real world processes, providing abstractions and assistance on top of the complexity of the underlying theory
Build interactive prototypes (Figma/Web) to validate flows and micro-interactions with test users
Facilitate design critiques and collaborate closely with engineering to ensure design intent is faithfully realized
Champion accessibility and inclusive design across typography, color, motion, and copy

Requirements

~1 min read

Demonstrable experience designing complex web apps with a modern design-system mindset
Advanced mastery of Figma: beyond ordinary component libraries, variants, tokens, shared styles, and auto-layout
Strong visual craft (typography, colour, grid) paired with systematic thinking
Comfort prototyping at multiple fidelities and presenting rationale to technical and non-technical stakeholders
Solid understanding of WCAG 2.2 and pragmatic accessibility techniques
Excellent written & verbal English; thrive in async, documentation-heavy culture

Nice to Have

~1 min read

Experience designing data-dense products (simulations, modeling, analytics), AI-user interactions, or user-built views and models (e.g. process flows, dashboards).
Hands-on UX research: facilitating questionnaires/workshops, planning studies, analysing insights, turning findings into action
Interest in real-time collaboration (i.e. multiplayer editing) and how it shapes UX patterns