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UI/UX Designer Job in Greece
Upstream , Greece

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1 Year
0 - 0
Job Type
Job Shift
Job Category
Requires Traveling
Career Level
As mentioned in job details
Total Vacancies
1 Job
Posted on
Feb 27, 2021
Last Date
May 27, 2021

Job Description

The company

Upstream, the leading mobile technology company, provides innovative solutions that offer seamless and secure mobile Internet access to 1.2 billion consumers in high growth markets. Upstream’s Zero-D service provides free access to the internet essentials to 250 million users in Latin America and Africa even when they have run out of data. Its award-winning security platform, Secure-D, in 2019 alone, processed over 1.7 billion mobile transactions, detecting and blocking over 98,000 malicious apps in 20 countries. Upstream’s all-in-one digital marketing platform, One-D, simplifies the digital user acquisition journey by managing the entire recruitment process, including partners and digital marketing channels, and safeguards mobile subscribers against all fraudulent activity. Its team counts 330 people of over 25 nationalities, working from nine offices around the globe. Upstream works with more than 60 mobile operators in over 45 countries in Latin America, Africa, the Middle East and SE Asia.

The role

The role of UI/UX Designer is to oversee and contribute to the creation and customization of mobile-optimized websites and applications, to ensure seamless customer experience and successful implementation of UI/UX best practices and principles across all digital platforms. The right person should possess one C’s [Curious, Creative, Critical, and Cool].

The role reports to the Senior UI/UX Designer and is based in Gerakas, Athens HQs.

The right candidate will:

  • Produce high-quality UX design solutions through wireframes, visual and graphic designs, flow diagrams, storyboards, site maps, and prototypes for all digital products
  • Understand product specifications, user psychology, and business goals aiming for a compelling overall vision of the user experience. Conceptualize original ideas that bring simplicity and focus on the end-user
  • Suggest UI improvements to the existing features by working with internal teams, seek their feedback, and incorporate it in design revisions
  • Execute all visual design stages from concept to final hand-off to engineering, keeping projects on track
  • Conduct competitive benchmarking activities (e.g. User interviews, Usability tests) to establish and promote design guidelines, best practices, and standards
  • Create wireframes and prototypes to test and validate ideas and concepts, by analyzing internal and external data (performance, A/B tests, etc.)
  • Work closely with the product team, account managers, engineering amp; QAs
  • Be continuously informed on UX trends, evaluate their relativity to Upstream’s need, and identify ways to implement the best ideas to the end-product.
  • Occasionally support in digital marketing banners/landing pages


  • 1-3 years of experience in user-centered design, visual design, user interface design, and usability engineering
  • BA/BS or MA/MS in a design-related field, or equivalent experience
  • A portfolio of professional UI/UX design work for both web and mobile platforms
  • Experience in delivering wireframes, user stories, user journeys, mockups, interactive prototypes, design specifications optimized for a wide range of devices, screens sizes, and interfaces
  • Working knowledge of the following technologies and software: Figma, Sketch, InVision, Visio, HTML, CSS (SCSS), iOS/Android principles, Design Systems, Adobe Creative Suite, etc.
  • Experience with working with design systems, style guides, and documentation
  • Experience using analytics, A/B testing, user research, and other approaches to help make decisions and iterate on the product
  • Excellent problem-solving skills and familiarity with technical constraints of responsive web and mobile apps
  • A team player but can work independently too
  • Excellent command of the English language
  • Strong organizational skills and ability to handle multiple projects simultaneously


We offer a competitive base salary and benefits, directly dependent on the candidate’s qualifications and skills. The real excitement comes from working closely with a dynamic, smart, agile and highly motivated team in a competitive and fast paced environment.

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Upstream is an equal opportunity employer. The Company does not discriminate on the basis of race, colour, creed, pregnancy, religion, gender, national origin, age, disability, marital, or any other legally protected status. The Company also makes reasonable accommodations for disabled employees. Finally, the Company prohibits the harassment of any individual based on their protected status. This policy applies to all areas of personnel actions including recruitment, hiring, training, promotion, compensation, benefits, transfer, and social and recreational programs.

Job Specification


Information Technology and Services - Athens, Greece