Sofia Kavartina
Verified Expert in Design
Designer
Thessaloniki, Greece
Toptal member since June 4, 2022
Sofia is a senior user experience designer and strategist with over 10 years of expertise. Her education has given her the ability to see each project from all angles and create innovative methods for people to interact with products and services that benefit the customer and the company. Working on UX projects remotely with customers in the United States and Europe has given her global experience.
Portfolio
Work Experience
User Experience Strategist
Mainlevel Consulting
- Collaborated with over 26 stakeholders, a team of five developers, co-founders, engineers, and data scientists.
- Led ideation, planning, and structuring of design strategies for UX roadmap, vision, and mission workshops.
- Conducted user research, created personas, and conducted user testing.
- Defined pain points and reasons behind low-conversion rates.
- Designed high-fidelity wireframes, user interfaces, and prototypes.
- Reduced reliance on customer support for new subscriptions by 63% and improved user adoption.
- Reported directly to the CEO and the stakeholders.
Senior Product Designer
Hapimag
- Collaborated with developers, product managers, and business partners using the Scrum framework to help define program requirements and roadmap.
- Used qualitative and quantitative data to solve problems.
- Conducted user research and used card sorting to improve information architecture.
- Increased 15% bookings and time on page by 51% and decreased bounce rate by 30%.
Senior Product Designer
SafeSize
- Designed high-quality, simple modern interfaces for web and mobile applications. Collaborated with a global team in multiple time-zones.
- Built storyboards to conceptualize designs to accurately convey project plans to new B2B clients.
- Conducted layout adjustments based on user feedback.
- Designed and developed an application to make it easier for users to learn and use. The app received over 1,500 downloads as of August 2019; 50% of downloads were by new users. As a result, we had a new client, Intersport stores.
Product Designer
Darkpony
- Managed the product's ease of use and ensured a friendly user experience for the in-house products to deliver customer service and an easy-to-use mobile and web streamlined interface.
- Designed the aesthetics to be incorporated on a website or product, from the layout menus and drop-down choices to fonts and colors, allowing interface edits as needed.
- Created wireframes, flow diagrams, and other low to medium fidelity designs for solution sing-offs.
- Designed high-quality, simple, and modern interfaces for web and mobile applications.
- Reduced reliance on customer support for new subscriptions by 73% and improved user adoption.
User Experience Researcher
Comidor
- Led UX study and visual design for an extensive large international project based on using technology to help evaluate project management and reporting, aimed toward the programs to reduce poverty in developing countries.
- Designed high-quality, simple, and modern interfaces for web and mobile applications.
- Took on conducting layout adjustments based on user feedback. Led projects and analyzed data to identify opportunities for improvement.
- Designed and effectively ran a pilot for a troublesome, information-driven member and employee performance tracking software for the web, Android, and iOS.
- Managed a 3D animation onboarding video for how the platform can be used to show to the clients.
Education
Master of Science in Digital Innovation and Startup Entrepreneurship
National Technical University of Athens (Polytechnic Metsovian) - Athens, Greece
Bachelor of Arts in 3D Animation and Multimedia Productions
Middlesex University of London - London, United Kingdom
Certifications
Scrum Master Certified PSM I
scrum.org
User Experience Design Graduate Certificate
Glasgow University
Advanced Social Media Strategy Training and Certification
Deree American College
Skills
Tools
Figma, Adobe Creative Suite, Adobe After Effects, Miro, Autodesk 3ds Max, Adobe Premiere Pro, WaveLab, Jira, Blue Ocean, Asana, InVision, Sketch, UX Tools, Canvas
Industry Expertise
Advertising
Platforms
WordPress Design, Shopify, Azure, Adobe Suite, Google Ads, Zeppelin, ProductPlan
Other
Logotype, User Experience (UX), User Interface (UI), Research, UX Strategy, Web App Design, Videos, Advertising Design, Video Ads, Product Design, UX Design, Web Applications, Motion Design, Explainer Videos, Visual Design, eCommerce UI, Event Ticketing, Checkout, Project Management, SaaS Design, UX Flows, System Design, Responsive Web Design (RWD), Branding, UI Design, Animation, Digital Innovation, Lean Startups, Industry 4.0, Motion & Animation Design, Animated Explainer Videos, UX Research, UX Roadmaps, Service Design, UX Workshops, Ideation Workshops, Design Workshops, UX Branding, 3D Animation, Mind Mapping, Product Branding, Google Material Design, User Flows, Management, Wireframing, Cross-platform UX, Design Systems, iOS App Design, Innovative UX, Business Model Canvas, Software Technical SWOT Analysis, A/B Testing, Usability Heuristics, Design, Color Schemes, Production, Digital Advertising, Mobile UI, Cinematography, UI Animation, Motion Interaction, 2D Graphics, Storyboarding, Video Scripts, Audio Montage, Video Editing, Short Films, Web Design, Scrum, Social Media, Digital Marketing Strategy, Facebook Ads, Digital Marketing Design, B2C Marketing, Web Marketing, Instagram Ads, YouTube Ads, Conversion Rate, Return on Invested Capital (ROIC), ROI, Social Media APIs, Entrepreneurship, Enterprise Startups, Managerial Economics, SAP ERP, Digital Product Design, Process Economics, Economics, Open Data, Artificial Intelligence (AI), Startup Funding, Supply Chain Management (SCM), Business Models, Innovation Labs, Value Proposition Design, Lean Project Management, Decision Analysis, Workshop Facilitation, Business to Business (B2B), Startups, Tourism, Job Portals, User Workshops, UX Scenarios, Personas, Ideation, Value Proposition, Value Innovation, User Interviews, UX Analysis, GAP Analysis, Product Benchmarking, Benchmarking, Web UX, App UX, Booking, Booking Apps, Booking UX, Booking Systems, Virtual Tours, Home, Travel Design, Travel, Rentals, Business Ideas, Unique Business Ideas, High-end Design, UX Prototyping, App UI, UX Review, IT Projects, Project Design, Roadmaps, Lean UX, Finance, Financial UX, Models, Car Rental, Yacht Rentals, Bike Rentals
Experience
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring