Freelance Pool - Product Designer (Web & Mobile)

Berlin Bytes GmbH; Berlin; Remote; EUR 83,000 - 124,000; Full time

Benefits offered by this job

Freelance / Project-based

Job summary

Berlin Bytes GmbH is seeking a Senior UX/UI Designer for freelance/project-based work in Berlin. You will shape product strategy, craft user-centered interfaces for web and mobile, and contribute to design systems.

Collaboration with clients, product teams, and developers is essential, and a strong portfolio is required to demonstrate impact across digital products. The role emphasizes end-to-end design, from discovery to implementation, with emphasis on pragmatic UI and thoughtful user

Qualifications

• Proven experience as a Product Designer or Senior UX/UI Designer.
• Strong portfolio showing web and mobile product work.
• Demonstrated ability to contribute to product strategy, prioritisation, and feature definition.
• Solid skills in UX, interaction design, UI design, and prototyping.
• Experience working with cross-functional teams and communicating in English.

Responsibilities

• Help define problem spaces, user needs, value propositions, and product opportunities for digital products and services.
• Contribute to product discovery, user flows, product strategy, prototypes, and final UI.
• Support feature definition and prioritisation with a product mindset.
• Collaborate with stakeholders, product teams, and developers.
• Create clear, implementation-ready designs and handoff materials.
• Work within or contribute to design systems where needed.

Skills

Senior UX/UI Designer

Strong portfolio

Product strategy

UX and UI design

Prototyping

Cross-functional

English proficiency

Job description

What you will be doing

• Help define problem spaces, user needs, value propositions, and product opportunities for digital products and services
• Contribute to product discovery, user flows, product strategy, prototypes, and final UI
• Support feature definition and prioritisation with a product mindset
• Collaborate with stakeholders, product teams, and developers
• Create clear, implementation-ready designs and handoff materials
• Work within or contribute to design systems where needed

We need you to have

Must-Haves

• Proven experience as a Product Designer or Senior UX/UI Designer
• Strong portfolio showing web and mobile product work
• Demonstrated ability to contribute to product strategy, prioritisation, and feature definition
• Solid skills in UX, interaction design, UI design, and prototyping
• Ability to think beyond screens and contribute to product decisions
• Experience working with cross-functional teams
• Strong spoken and written English

Nice-to-Haves

• German language skills
• Experience in agency, consulting, or client-facing environments
• Experience with SaaS, enterprise, mobile, or AI-related products
• Workshop or discovery facilitation experience

Benefits

Type: Freelance / Project-based

About us

We are Berlin Bytes , a creative software development and consulting agency. Together with Kambria , our AI transformation lever, we design, build, and scale innovative digital and AI-driven solutions. We empower businesses to not just adapt, but thrive and lead in the digital era.