Interface Designer

📍 Job Overview

Job Title: Interface Designer

Company: COSMOTE GLOBAL SOLUTIONS NV

Location: Brussels, Belgium

Job Type: CONTRACTOR

Category: Creative & Design / Technology

Date Posted: May 22, 2026

Experience Level: 10+ Years

Remote Status: On-site

🚀 Role Summary

• Design and develop intuitive, visually appealing user interfaces for web and mobile applications, focusing on enhancing user experience and engagement.

• Collaborate with cross-functional teams, including UX designers, developers, and product managers, to translate user research and business requirements into effective interface solutions.

• Create comprehensive design assets such as wireframes, mockups, and interactive prototypes to clearly communicate design concepts and user flows.

• Ensure design consistency across all digital platforms by rigorously adhering to established brand guidelines, style guides, and UI/UX best practices.

• Work closely with development teams to facilitate the accurate implementation of designed interfaces, ensuring fidelity and functionality.

📝 Enhancement Note: While the provided description focuses on interface design, the extensive experience requirement (12+ years) and the company's specialization in ICT solutions suggest this role may involve a significant level of strategic input and potentially team leadership within the design function. The "CONTRACTOR" employment type also implies a project-based engagement, potentially requiring a candidate who can quickly integrate and deliver high-impact design solutions.

📈 Primary Responsibilities

• Conceptualize and create user-centric interface designs for diverse digital products, including web platforms, mobile applications, and internal tools.

• Translate complex user requirements, business objectives, and UX research findings into actionable wireframes, user flows, and high-fidelity mockups.

• Develop interactive prototypes to effectively demonstrate design concepts, user interactions, and gather stakeholder feedback early in the design lifecycle.

• Maintain and evolve comprehensive design systems and style guides to ensure brand consistency, usability, and scalability across all user touchpoints.

• Provide clear design specifications and assets to development teams, actively participating in implementation reviews and offering solutions to technical challenges.

• Conduct and participate in design critiques and peer reviews, offering constructive feedback to elevate the overall design quality and user experience.

• Proactively research and integrate emerging design trends, tools, and technologies to continuously improve design processes and product outcomes.

• Manage and update all design documentation, including style guides, asset libraries, and user journey maps, ensuring accuracy and accessibility for the team.

📝 Enhancement Note: Given the 12+ years of experience requirement, responsibilities likely extend beyond individual contribution to include mentoring junior designers, contributing to design strategy, and potentially influencing product roadmaps from a design perspective. The role demands a strong understanding of how UI design impacts broader