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UI/UX Designer

Trinetix Remote (🇵🇹 Portugal)

Remote Full-time Senior

The primary duties involve designing intuitive, user-centered interfaces and experiences for web and mobile products, including creating UX flows, wireframes, and high-fidelity UI designs for new features and AI-powered systems. Responsibilities also include conducting user research, validating design decisions, ensuring accessibility, and collaborating with product, business, and engineering teams.

Responsibilities

  • Design intuitive, user-centered interfaces and experiences for web and mobile products
  • Create UX flows, wireframes, and high-fidelity UI designs for new features and enhancements
  • Design and refine interfaces for AI-powered features, including chatbots and agentic systems
  • Conduct user research and usability testing to validate design decisions
  • Ensure accessibility and usability best practices are applied across all designs
  • Collaborate closely with product managers, business analysts, and engineers to ensure design feasibility and alignment
  • Maintain and evolve design systems, guidelines, and documentation
  • Support Agile delivery by participating in sprint planning, reviews, and design discussions

Requirements

  • 4+ years of experience in a UI/UX Designer role
  • Strong expertise in designing intuitive and user-friendly interfaces for web and mobile applications
  • Experience designing AI-powered features, including chatbots or intelligent/agentic systems
  • Proficiency in user research, usability testing, and translating insights into design solutions
  • Solid understanding of accessibility standards and inclusive design principles
  • Ability to collaborate closely with product, business, and engineering teams
  • Proficiency with design and collaboration tools such as Figma, Sketch, Adobe XD, Abstract, and Miro
  • Basic understanding of HTML/CSS to support effective collaboration with developers
  • Strong communication and presentation skills
  • Availability to work according to EST timezone (9 am - 5 pm EST) (14:00-22:00 CET)
  • English: at least Upper-Intermediate (B2, all of our clients speak English, and our designers often participate in conversations)

Benefits

  • Continuous learning and career growth opportunities
  • Professional training and English/Spanish language classes
  • Comprehensive medical insurance
  • Mental health support
  • Specialized benefits program with compensation for fitness activities, hobbies, pet care, and more
  • Flexible working hours
  • Inclusive and supportive culture

Key Skills

UI/UX design User research Usability testing Accessibility standards Inclusive design principles Figma Sketch Adobe XD Abstract Miro HTML/CSS Agile SCRUM Design systems Component-based design Cross-functional collaboration Communication Presentation English language skills Upper-Intermediate English (B2)

About Trinetix

Trinetix is a global custom software development partner that brings ambitious ideas to life. We’ll help you transform the way your business operates, serves, navigates industry changes, and sets new market standards. We specialize in delivering design-forward, award-winning technology solutions. As your strategic technology partner, we’ll craft a tailored user experience that also drives top and bottom-line growth. Our team of experts in AI, GenAI, machine learning, automation, mobile, cloud, user experience, and full platform and product development have delivered thousands of successful engagements over the past 14 years. We’re ready for whatever challenge or transformation you’re looking to tackle. Ready to explore the bounds of what’s possible? Visit us at www.trinetix.com to explore our offerings and results.

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