Reonic

Product designer for AI-powered OS

In short

This role involves designing the interface and experience of an AI-powered operating system used by renewable energy installers worldwide, from improving existing flows to creating new ones from scratch. The company is a fast-growing, investor-backed startup serving 3000+ business customers. It requires 2+ years of product/UX design experience, a strong end-to-end portfolio, solid grasp of growth and UX metrics, and comfort working autonomously in ambiguity. The position is based onsite in Berlin.

About Reonic
At Reonic, we're on a mission to simplify renewable technology with our AI operating system for renewable installers. Backed by top-tier investors and trusted by 3000+ business customers, we're growing fast.
Responsibilities
•Shape the interface and experience of the AI-powered operating system installers worldwide will run their business on.
•Go beyond the brief to understand why it matters, balancing user needs and business impact with craft and polish.
•Maintain a high bar for UX/UI design that's intuitive, accessible, and genuinely delightful across every surface of the product.
•Improve existing flows and interfaces, and design new ones from scratch, prototyping and iterating quickly to maximize value.
•Push back on ideas that don't meet that bar, and work closely with product and engineering to raise UX quality across the board.
Requirements
•A strong portfolio demonstrating end-to-end product thinking — from discovery to execution — with high-quality craft and problem-solving.
•2+ years of experience as a product/UX designer, ideally in a startup or product-driven environment.
•Strong product sense and comfort in ambiguity: you make trade-offs that balance user and business impact, focus on outcomes over output, and iterate quickly and autonomously in a startup environment.
•Growth & UX understanding: solid grasp of digital funnels, onboarding and conversion journeys; strong with both quantitative data (A/B tests, funnel metrics) and qualitative data (user research, feedback); track record of using that to grow feature adoption, activation, and retention.
•Ability to leverage AI tools to speed up concepting and prototyping.
•Clear communicator: you translate requirements for developers and product, backed by real empathy for the user and a keen eye for design.
Conditions
No conditions stated in the posting.

Stop applying.
Get referred.

$10 in free credits

In just 60 seconds, fully on autopilot — Eraldt's AI agents read your CV, map the roles you fit, find live vacancies and the people who can refer you, write personal emails, and get you referred.

This isn't an application: your CV doesn't go to the company, and we don't promise a referral for this exact role.

Discover who else lands interviews on autopilot