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UI/UX Designer (Mobile, Web)

Madfish

Madfish

Product, Design
Ukraine · Europe
Posted on Nov 28, 2025

We are looking for a talented and motivated UI/UX Designer to collaborate on exciting web and mobile application projects. This is a part-time, time and materials contract position, perfect for a self-starter who can manage their time effectively and work in an autonomous environment.

Responsibilities:

  • Gather and evaluate user requirements in collaboration with product managers, developers, and stakeholders.
  • Design user-friendly, intuitive, and visually appealing interfaces for both web and mobile applications.
  • Create user flows, wireframes, storyboards, and high-fidelity prototypes to effectively communicate design concepts and interaction models.
  • Utilize your proficiency in Adobe XD to design, prototype, and share designs for review and testing.
  • Conduct user research and usability testing to gather feedback and iterate on designs to improve the user experience.
    Develop and maintain consistent design language, including UI style guides, typography, color palettes, and iconography.
  • Ensure all designs are optimized for responsiveness across various devices and adhere to accessibility standards (e.g., WCAG).
  • Collaborate closely with the development team to ensure design specifications are implemented accurately and to assess technical feasibility.
  • Proven work experience as a UI/UX Designer with a strong portfolio showcasing professional design projects for both web and mobile platforms.

    Requirements:
  • Proficiency in Adobe XD and other relevant design and wireframing tools (e.g., Figma, Sketch).
  • Solid understanding of user-centered design (UCD) principles, information architecture, and interaction design.
  • Solid understanding of user-centered design (UCD) principles, information architecture, and interaction design.
  • Experience with usability testing and data analysis to inform design decisions.
  • Excellent communication, presentation, and problem-solving skills, with the ability to articulate design rationale to stakeholders and team members.
  • Strong attention to detail and a keen eye for aesthetics.
  • Ability to work independently and manage time effectively to meet deadlines in a fast-paced environment.
  • Familiarity with front-end development technologies (HTML, CSS) is a plus, to facilitate communication with developers.