UI/UX Designer (Service Design) – Mobile App & Backoffice

Permanent employee, Full-time · Berlin (On-site)

Intro

We are looking for a hands‑on UI/UX Designer (mid–senior level) to take end‑to‑end ownership of the UI/UX redesign of our mobile app (iOS & Android) and the UX redesign of the backoffice.
You will be the main design owner for the app experience and a key contributor to the backoffice UX, working closely with the Head of Service Design and a dedicated developer to translate user needs, business goals, and technical constraints into high‑quality, coherent product experiences.
This role sits within the Service Design team and combines strong execution, user‑centered thinking, and close collaboration across design, development, and stakeholders.

Your mission

Lead and execute the UI/UX redesign of the mobile app (iOS & Android)
Contribute to the UX redesign of the backoffice, ensuring usability, clarity, and efficiency
Ensure consistent, scalable, and user‑centric experiences across customer‑facing and internal tools
Anchor design decisions in user research, testing, and service design principles

What You'll Do

UI/UX Design & Execution (App & Backoffice)

Own the end‑to‑end UI/UX design of the mobile app (iOS & Android)
Contribute to and support the UX redesign of the backoffice, focusing on workflows, usability, and efficiency
Translate user needs, insights, and requirements into user flows, wireframes, and high‑fidelity designs
Create and maintain interactive prototypes to validate concepts and support development
Ensure usability, accessibility, and visual consistency across all touchpoints

Design System

Contribute to and help maintain the design system, ensuring consistency across the app and backoffice
Define and document reusable components, patterns, and interaction guidelines
Work closely with development to ensure correct and efficient implementation of the design system

User Research

Plan and execute user research activities (e.g. interviews, usability tests, validation sessions)
Support and collaborate on research initiatives led by others (service design, product, or external partners)
Synthesize insights into clear findings and actionable design improvements

Testing & Validation

Define UX‑focused test plans in collaboration with development and QA
Support test execution by reviewing results, identifying issues, and iterating on designs
Ensure design quality through pre‑release checks and ongoing improvements

Collaboration & Communication

Work closely with:
- Head of Service Design (direction, priorities, quality)
- Developer (handoff, feasibility, implementation, iteration)
Prepare and deliver occasional stakeholder presentations to explain design decisions and outcomes
Provide light mentoring and design guidance to create a design culture

What You'll Bring

Experience & Skills

Mid‑level to senior experience as a UI/UX Designer, Product Designer, or similar role
Strong hands‑on experience designing mobile apps for iOS and Android
Experience contributing to or redesigning backoffice / internal tools
Proven ability to own and drive a product area independently
Strong proficiency in Figma (components, libraries, collaboration)
Experience with prototyping tools for validation and developer handoff
Familiarity with design systems and scalable UI patterns
Experience planning and conducting user research and usability testing
Working knowledge of Adobe Creative Suite, especially:
- Photoshop
- InDesign
Strong collaboration skills with developers and non‑design stakeholders

Mindset

User‑centered and evidence‑driven
Comfortable balancing autonomy with collaboration
Pragmatic: able to move from discovery to delivery
Clear communicator who can explain design rationale
Comfortable in start up environment

What You'll Get

A collaborative environment where teamwork is at the heart of how we work
A truly international and diverse team
A modern workspace in Berlin Mitte within a collaborative coworking environment, with flexible hybrid and remote working options
30 days of annual leave
A 50€ monthly mobility budget or Deutschland Ticket
A personal learning & development budget to support your growth
Regular team get-togethers and informal company events
The opportunity to experience the products we build
The chance to grow with a young and evolving company

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About us

ENYRING GmbH, a new technology company founded by Yamaha Motor Corporation Ltd., offers swappable batteries for eBikes on a subscription basis to individuals and companies. Together with European partners, ENYRING is creating a closed loop in which recycled materials are used to manufacture new products. This new initiative promotes a sustainable, recycling-oriented society and reduces time and financial stress for users of electric bicycles.

Even if you don’t meet all the criteria listed in the job description, we’d still love to hear from you – you might bring other strengths that are a great fit for our team

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We appreciate your interest in ENYRING! Please fill in the following short form.

Should you have any difficulties in uploading your files, please contact us by mail at jobs@enyr.ing