Remote Mid-Level UI/UX Designer for AI Apps

NineTwoThree AI Studio; Portugal; Remote; EUR 30,000 - 54,000; Full time

Job summary

NineTwoThree AI Studio is seeking a Middle UI/UX Designer to craft intuitive, user-centered experiences for AI-driven platforms, mobile apps, and web apps. You will collaborate with product managers, engineers, and stakeholders to balance user needs with business goals and work across industries.

The role emphasizes creativity, collaboration, and attention to detail, with responsibilities spanning wireframes to high-fidelity designs and handoff to engineering teams.

Qualifications

• At least 3 years as a UI/UX designer with a strong portfolio.
• Experience designing AI-driven apps is a plus.
• Proficient in responsive web and mobile design.
• Strong knowledge of Material Design and Apple HIG.
• Advanced Figma skills for libraries, auto layout, components.
• Experience contributing to design systems and cross-functional teams.
• Clear written and spoken communication, remote work capability.
• English level at least B2+.

Responsibilities

• Contribute to design from concept to implementation for clients and NineTwoThree projects.
• Deliver structured Figma boards with components and brand styles that stay consistent.
• Develop wireframes, interactions, and high-fidelity UI designs using Figma.
• Create prototypes to illustrate design ideas and test hypotheses.
• Collaborate with product managers, engineers, and stakeholders to translate complex requirements into user-friendly designs.
• Prepare developer-ready designs with specs, assets, and documentation.
• Explore AI tools to optimize the design process and share findings with the team.
• Present and explain design ideas to teammates and clients, grounding rationale in user needs and business goals.
• Participate in multiple projects simultaneously.
• Stay updated with UI/UX standards and guidelines.

Skills

UI/UX design

Figma

Wireframes

Prototyping

Design systems

AI design tools

Responsive design

Material Design

Apple HIG

Communication

English B2+

Tools

Figma

React

Next.js

Tailwind

Job description

NineTwoThree AI Studio is seeking a Middle UI/UX Designer to craft intuitive, user-centered experiences for AI-driven platforms, mobile apps, and web apps. You will collaborate with product managers, engineers, and stakeholders to balance user needs with business goals and work across industries.

The role emphasizes creativity, collaboration, and attention to detail, with responsibilities spanning wireframes to high-fidelity designs and handoff to engineering teams.