AI-Powered UX/UI Designer for SaaS (Hybrid)

AppTweak; Brussel Hoofdstad; Hybrid; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Meal vouchers and eco-vouchers

Complementary Health Insurance Plan

12 RTT days per year

Flexible, hybrid work setup

Opportunities for continuous learning

Quarterly team-building events

Yearly company-wide retreat

Volunteer day each quarter

Food culture and team meals

Networking with mobile businesses

Job summary

AppTweak is seeking a passionate UX/UI Designer to own end-to-end user flows in one product squad, helping ship an app-marketing platform with a one-product feel while AI reshapes design craft. You will report to the Head of Product Design in a Brussels-based hybrid setting with at least three days in the office.

You will prototype with Cursor and directly apply UI changes in the codebase, raise product quality, and contribute to a robust design system.

Qualifications

• Bachelor's degree in a relevant field is required.
• 2+ years of UI/UX product design experience in SaaS, with a portfolio of shipped digital products.
• Proficiency in Figma and understanding of User-Centered Design, design systems and responsive design principles.
• Fluent in English (working language).
• Genuine interest in AI in the design process, with good judgment about output quality.
• Curiosity about code and willingness to modify the codebase using Cursor.
• Proactive, flexible and adaptable with a forward-thinking approach.
• Confident and constructive in discussions, defending design decisions with reasoning and evidence.
• Strong communication skills and proactive feedback exchange.

Responsibilities

• Own complete user flows in a cross-functional squad, from defining the problem with PM to polished designs.
• Prototype with agentic AI tools (Cursor) and ship simple UI fixes directly in the codebase.
• Improve the product by addressing small issues and turning user feedback into shipped improvements.
• Strengthen the design system with reusable components and clarity on when to evolve it or break it.
• Question scope and rationale behind design decisions and explain them to the squad.
• Grow through a transparent career framework with mentorship from a senior team member.

Skills

UI/UX design

Figma

User-Centered Design

Design systems

Responsive design

English fluency

AI in design

Code curiosity

Proactive mindset

Strong communication

Education

Bachelor's degree in a relevant field

Tools

Cursor

v0

Lovable

Job description

AppTweak is seeking a passionate UX/UI Designer to own end-to-end user flows in one product squad, helping ship an app-marketing platform with a one-product feel while AI reshapes design craft. You will report to the Head of Product Design in a Brussels-based hybrid setting with at least three days in the office.

You will prototype with Cursor and directly apply UI changes in the codebase, raise product quality, and contribute to a robust design system.