Product Designer (AI x Greentech) (m/f/d)

Reonic GmbH; Berlin; On-site; EUR 55,000 - 75,000; Full time

Job summary

Reonic is building an AI-powered OS for renewable installers, and we’re seeking a product/UX designer who thrives in a fast-paced, purpose-driven environment. Join us on-site in Berlin to shape the interfaces and experiences that thousands of customers rely on daily.

You will own end-to-end design, from discovery to execution, collaborating with product and engineering to raise UX quality, speed up concepting with AI tools, and turn complex flows into intuitive solutions.

Qualifications

• Portfolio showing end-to-end product thinking with high-quality craft.
• 2+ years experience as product/UX designer in startup environment.
• Strong product sense and comfort with ambiguity, ability to iterate autonomously.
• Growth & UX understanding with data-driven approach (quantitative and qualitative).
• Ability to leverage AI tools to speed up concepting and prototyping.
• Clear communicator translating requirements for developers and product.

Responsibilities

• Design the AI-Powered OS interface and installer experience.
• Apply product lens to balance user needs and business impact with craft and polish.
• Set the UX/UI bar for intuitive, accessible design across the product surface.
• Redesign existing flows and design new ones, prototyping and iterating quickly.
• Collaborate with product and engineering to raise UX quality across the board.

Skills

Product thinking

2+ years UX design

Growth & UX

AI tooling

Clear communication

Job description

Are you passionate about AI & renewable energy?

Do you thrive in fast-paced, hard-working and purpose-driven environments? If you're ready to use your skills to help leveraging our product to the next level and keep processes smooth, then look no further - we want YOU!

Are you passionate about AI & renewable energy?

Do you thrive in fast-paced, hard-working and purpose-driven environments? If you're ready to use your skills to help leveraging our product to the next level and keep processes smooth, then look no further - we want YOU!

This is a full-time, on-site position based in Berlin.

What You Will Do

• Design the AI-Powered OS: Shape the interface and experience of the AI-powered operating system installers worldwide will run their business on.
• Design with a Product Lens: Go beyond the brief to understand why it matters, balancing user needs and business impact with craft and polish.
• Set the UX/UI Bar: Maintain a high bar for UX/UI design that's intuitive, accessible, and genuinely delightful across every surface of the product.
• Redesign and Reinvent: Improve existing flows and interfaces, and design new ones from scratch, prototyping and iterating quickly to maximize value.
• Challenge and Collaborate: Push back on ideas that don't meet that bar, and work closely with product and engineering to raise UX quality across the board.

What Makes You a Great Fit

• 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.

Even if you don’t meet every requirement, we encourage you to apply! Imposter syndrome shouldn't hold you back - we value talent and passion above all.

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.