UI Designer (m/f/d)

Lisboa, Portugal

Infelizmente o prazo desta vaga expirou.

Knower™ Tech is a brand belonging to the Wellow™ Group that aims to match qualified professionals with the market.


The UI Designer will execute all aspects of design ranging from the initial stages of concept creation to visual prototyping, developer hand-off, documentation and maintaining the quality of the visual assets library. The designer will work one-on-one with UX designers to come up with creative solutions to complex problems; give support to the development team needs at different stages and collaborate with Graphic designers to inject and respect brand visuals in the product. Finally, he/she will be a valuable advocate of our design standards and culture, systems and processes always looking to improve and expand.


Must have a minimum of two years of commercial experience and a portfolio displaying UI design work.



Operationalize UI:

  • Create and maintain documentation;
  • Build and maintain Design Systems for Web and Mobile (iOS & Android);
  • Creation and maintenance of Library of UI components;
  • Creation and maintenance of Style Guides.

Support to Projects and Development team:

  • Creation of UI concepts;
  • Effectively communicate designs to key stakeholders and follow-up;
  • Follow implementation of UI's according to design and Brand guidelines.


  • Low, Mid, High, Visual Fidelity layouts;
  • High and Visual Fidelity prototypes;
  • Hand-off files for Development and proper documentation.

Required Knowledge, Skills and Experience

  • Understanding of the design process and experience across the entire design lifecycle;
  • Advanced knowledge of UI design principles and techniques;
  • Strong visual culture and grammar;
  • Strong layout, typography, color theory and composition skills for various formats;
  • Strong knowledge of responsive design and mobile UI;
  • Accuracy and attention to detail;
  • Great in Figma;
  • Experience using Miro;
  • Knowledge and experience using Microsoft Office 365 tools;
  • Ability to generate multiple and distinct design concepts and receive constructive feedback;
  • Ability to present work in a confident, well-articulated, professional and visually appealing manner;
  • Ability to deliver tasks and projects on time and according to brief;
  • Good organizational and time management skills;
  • Willing to improve and optimize skills and processes;
  • Eager to learn and solve problems;
  • Proactive and results-driven.
  • Self-Motivated;
  • Collaborative;
  • Tech-savvy;
  • Curious and go-getter mindset;
  • English speaker.



  • Bachelor's Degree in Design, Graphic Design or 2+ years of equivalent experience, courses or knowledge relevant to UI Design.


Nice to have

  • Knowledge of design processes, tools and methodologies;
  • Interesting in Branding;
  • Knowledge of UX;
  • Graphic Design experience;
  • Experience building design systems;
  • Some experience using ProtoPie;
  • Any knowledge using tools such as Adobe CC, Notion, Milanote and InVision;
  • German speaker.


  • Contract directly with our client;
  • A creative, motivated and dedicated team of colleagues for you to join;
  • Great team culture within a supportive and inclusive brand;
  • Opportunities to grow inside the company;
  • Internal and external learning opportunities like workshops and seminars;
  • Pet-friendly office;
  • Cookies, Fruit, Coffee and other snacks.



Acreditamos que o talento supera idade, identidade de género, etnias, orientações políticas ou religiosas, ultrapassa barreiras de expressão, de níveis de ensino e de limites físicos. O nosso compromisso é com o mérito de quem procura ser uma versão melhor de si todos os dias! Por este motivo, procuramos que o nosso processo de recrutamento e seleção seja inclusivo e respeite a individualidade de cada pessoa, criando uma experiência saudável e feliz para quem se cruza connosco. Conhece mais sobre o nosso compromisso em www.wellowgroup.com!