Luka is available for hire
Hire LukaLuka Vida
Verified Expert in Design
Designer
Location
Zagreb, Croatia
Toptal Member Since
April 13, 2016
Luka is a professional who's spent the past several years building and leading products for US and European clients. Lean methods, market & customer research, and a mini MBA allow him to quickly grasp the business landscape and prioritize efforts. As a CS major, he quickly gauges the ROI of a technical effort and works well with development teams. Experience in UX, prototyping, and user testing helps Luka deliver products that people will love.
Portfolio
Work Experience
UX Designer
2016 - 2017
Salony (via Toptal)
- Redesigned a platform's business-facing app structure to clarify the conceptual model, redesigned the existing components, and designed new features to ensure usability and value for users (iOS and web).
- Prioritized the design and development of the platform's customer-facing side, based on data analysis, to ensure product growth (retention and activation from AARRR model; iOS).
- Researched user habits and based on insights, introduced simple personalization (context, history, and prediction) as the first step in increasing the retention and activation.
- Optimized the team's process—improving speed and flexibility in the design phase (structure, symbols, reviews), and providing a clear input for the development phase (guide, specs, prototypes, & assets).
- Initiated user research practice (direct bite-sized personal contact with customers through WhatsApp).
- Made designs that will be published through the first 6 months of 2017.
Technologies: Pivotal Tracker, Facebook, Google Analytics, InVision, Sketch
UX Designer | Project Manager
2013 - 2016
Five NYC
- Facilitated multiple onsite workshops (U.S. and EU) with stakeholders to define goals and/or initiate the project.
- Facilitated the definition of user challenges and goals: solution features, flows, and priorities for more than a dozen large projects.
- Delivered detailed wireframes, prototypes, and interaction design specifications for iOS, Android, Windows, and web projects.
- Established a quick prototyping process by creating a bridge between Balsamiq wireframes and InVision prototypes.
- Established usability testing process and led usability tests on 5 large projects (both on site and remote).
- Led teams of designers and developers in the delivery of products for more than a million users.
Technologies: JavaScript, CSS3, HTML5, Lookback, Balsamiq, InVision, Sketch
President | Project Manager
2011 - 2013
eSTUDENT
- Designed the association's internal systems, processes, and practices (onboarding, knowledge sharing, intranet) that made a 300-member organization faster and more efficient.
- Led the association's 16 member managing board in defining strategies, plans, and actions in strategic areas. Cooperated with more than 25 team/project leaders on defining and accomplishing effective team goals.
- Introduced principles of project management tools such as Trello and transferred pen-and-paper student organization to the digital environment.
- Led a team of 14 students in the creation of a 5-month educational mobile development/design student competition (had 400 participants).
Technologies: Google Docs, CSS, HTML, Trello
Front-End Developer
2008 - 2011
Freelance Work (Moj-Posao, Five NYC, Degordian, etc.)
- Developed modular front-end code ensuring usability, speed and code flexibility (mobile/desktop).
- Improved UI components which led to higher conversions (UX designers were rare at that time).
- Implemented code for various CMS systems.
Technologies: JavaScript, CSS, HTML, Adobe Fireworks, Adobe Photoshop
Education
2013 - 2014
Certificate of Completion in Human-Computer Interaction, Gamification, Behavioral Economics, Designing Cities
Coursera - Online
2011 - 2013
Master's Degree in Computer Science
University of Zagreb - Zagreb, Croatia
2007 - 2011
Bachelor's Degree in Computer Science
University of Zagreb - Zagreb, Croatia
Experience
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