UI Designer
Back to careers

UI Designer

No longer available

Your responsibilities:

  • Create every screen that makes up a digital user interface (web, iOS, and Android), as well as each element that appears on each screen.
  • Apply your imagination and the design methodology to storyboards and static wireframes to visualize concepts.
  • Map intricate workflows and customer journeys around technical limitations while creating simple interfaces with the use of interactive prototypes.
  • Validate design concepts, run brief usability testing iterations, and incorporate the results into your design process.
  • Create behavioral guidelines and interface design patterns.

To fit this post, we look after:

  • To be familiar with Miro and Figma.
  • Being able to generate components and interact with already existing components from a design system that has already been created.
  • Capable of comprehending design ideas for all mediums (mobile, web, tablets). The most crucial factor in this case is having worked on at least three native mobile apps for three to four years.
  • Understanding how to work with massive data and how to visualize it using graphs.
  • To start a conversation with the stakeholder and be able to provide the details of a functionality, to be independent and quick to learn.
  • Must have excellent time management and transparency in the work.
  • Able to perform ad hoc tasks in between the primary ones.


Social Security

Friendly environment
Friendly schedule
Flexible work location


Access to our professional development tools and programs
Training certification reimbursement
Recognition and objective performance appraisals for personalized career paths

Perks and bonuses

Medical benefits
Referral bonus
A free week-long accommodation annually at our corporate apartment in Valencia, Spain
400 RON reimbursement for eyeglasses expenses

Special Events

Team events
Holiday packages
Back to careers

Talk to a member of our Sales team

Razvan Porancea

Chief Operations Officer

{ "SalesInfo": { "TeamMemberName": { "Text": "Razvan Porancea" }, "PhoneNumber": { "Text": "+40 736 377 973" }, "Email": { "Text": "razvan.porancea@principal33.com" }, "Tagline": { "Text": "Talk to a member of our Sales team" }, "ButtonText": { "Text": "Contact Sales team" } }, "AliasPart": { "Alias": "sales-info-en-US" }, "TitlePart": { "Title": null } }
{ "errorMessages": { "required": "* ${fieldName} is required", "email": "* Email is invalid", "name": "* Names should only contain letters (no diacritics), hyphens or apostrophes", "consent": "Please, consent to the terms before submitting your information", "minlength": "* ${fieldName} should be at least ${minlength} characters long", "maxlength": "* ${fieldName} should be at most ${maxlength} characters long", "between": "* ${fieldName} should be between ${minlength} and ${maxlength} characters long", "size": "File size must be less than ${size} ${unit}B", "url": "* URL is invalid", "extension": "* Allowed file extensions: ${extensionsArr}" }, "fieldNames": { "name": "Name", "company": "Company", "email": "Email", "phoneNumber": "Phone number", "message": "Message", "consent": "Consent", "upload": "Upload", "linkedIn": "LinkedIn profile", "newsletter": "newsletter" }, "snackBar": { "generic": { "error": { "title": "An error occurred: ${error}.", "message": "Please try again." } }, "newsletter": { "success": { "title": "Thank you!", "message": "Check your email to confirm your subscription." }, "error": { "title": "Error", "message": "Cannot subscribe to newsletter." } } } }