Senior UI/UX Designer (f/m/x) - Product & Experience

Senior UI/UX Designer (f/m/x) - Product & Experience

Location: Hybrid – Cologne (Rheinauhafen) – 3 days week in the office, 2 days remote (Tue and Thu)

Team: Product • Reports to the CEO • Partners with Engineering team

As our first dedicated product designer , you’ll own the end-to-end user experience across web and mobile, turning complex, high-stakes workflows into delightfully simple interactions.

Responsibilities

Discover & define

• Talk to users, dig into metrics and run usability tests to uncover real pains
• Frame scenarios and success metrics that matter (MTTR, alert fatigue, NPS)

Design & develop

• Craft low- to high-fidelity wireframes and interactive prototypes in your preferred tool
• Evolve and govern ilert’s cross-platform design system (Web + Mobile)
• Balance clarity and density in data-rich dashboards and timeline views

Deliver & iterate

• Hand off pixel-perfect specs and pair with engineers in GitHub & Storybook
• Validate releases with A/B tests and continuous user feedback loops
• Champion accessibility (WCAG 2.1 AA) and performance best practices

Requirements

• 3+ years designing production SaaS interfaces end-to-end
• Portfolio that proves user-centric thinking, visual craft and shipped impact
• Mastery of Figma (auto-layout, variants, tokens) and basic motion/animation
• Hands-on with design systems, component libraries and responsive layouts
• Fluency in English (our working language); German is a bonus
• Solid grasp of HTML/CSS limits and possibilities – enough to speak dev

Bonus points

• Designed for technical audiences (DevOps, SRE, cloud engineers)
• Ran quantitative research (surveys, funnel analytics) or A/B experiments
• Experience with real-time data products

Benefits