We run enterprise-level UX projects for private and public sector. From requirement analysis to fully designed user interfaces.

1. We design and optimize digital
products based on research
and usability standards
January 2020

2. Dear Client,
We are usability and user experience professionals who act as team-on-demand
under the company, named Cafe Voltaic UAB, based in Vilnius in 2011.
Our experts have 15+ years experience in software development, management,
design and 10+ years experience in usability and user-centered design (IS0 9241).
We help business owners and project teams to create and optimize digital products
and services. So, let us manage your next software design project!
Tautvydas Strazdas
CEO & Certified Usability Analyst

3. What we do
We help organizations to improve business metrics by
applying user-centered-design techniques and best practices.
We transform business and
user requirements into clear
design logic and easy to use
flows.
We create high fidelity
prototypes, visual designs
and specifications for the
developers.
We perform advanced
usability testing, UX audits
and provide deep insights for
optimization.

4. Clients
Our key clients from who recognized usability and user
experience as long-term investment

5. CHALLENGE
Lead UX optimization process in compliance with national
usability guidelines and make impact on how 1,9 million users will
access public tax self-service.
SOLUTIONS
1. Analysis of large scale user research, identification and
creation of target group description, identification of user
problems and creation of customer journeys.
2. 2-stage usability testing and 2-stage IA testing
3. Iterative design from concept prototype to high-fidelity
functional prototype until all user and business
requirements will be satisfied.
4. Breaking bureaucracy barriers and motivating old-fashioned
people for the change J
CASE STUDY 1
Large scale UX optimization for national
tax self-service ”ManoVMI”
State Tax Inspectorate, Lithuania, 2019
RESULTS
• Legacy UI with 100+ services and legacy site structure with 200+
menu items was completely redesigned and simplified according
to user research and usability testing data

6. CHALLENGE
About 5000 university’s users were ignoring local intranet as
dedicated tool for communication and resources, despite a
huge effort to keep content updated. The reason was not
identified clearly. VU provided the list of initial assumptions.
SOLUTIONS
1. Identify user’s pain points by conducting usability heuristic
evaluation.
2. Clarify user’s motivations toward the intranet by conducting
user survey with 1000 users.
3. 2-stage information architecture testing with 1000 users,
40+ tasks, 200+ items each.
4. Overview and present recommendations, discuss solutions
with IT department, make trade-offs.
RESULTS
• Information findability increased by up to 30%
• Concept prototype provided as specification for developers
CASE STUDY 3
Large scale usability testing and UX
optimization of VU intranet
Vilnius University, Lithuania, 2018

7. CHALLENGE
Redesign all legacy system and website, improve user
experience, integrate new features, simplify user interface
SOLUTIONS
1. Identify usability problems from customers' feedback,
perform full system UX audit and provide
recommendations.
2. Conduct user survey across country and get deep user’s
motivations and beliefs towards competitors and
service.
3. Create concept prototype and iterate to high-fidelity
functional prototype until all user and business
requirements will be satisfied.
4. Create visual designs, provide assets and complete UI
specification for developers.
CASE STUDY 2
UX optimization and complete redesign of
fin-tech service vienasaskaita.lt
UAB ”Viena saskaita”, Lithuania, 2018
RESULTS
• Optimized for omnichannel experience, unified look & feel
• Resolved legacy usability issues and new features were added
• New brand identity and new user experience delivered

8. CHALLENGE
About 40000 users were passive or leaving platform just after
registration despite a huge effort to keep content updated.
SOLUTIONS
1. Identify user’s pain points and usability problems by
conducting UX audit.
2. Test possible solutions with A/B testing.
3. Discuss new business requirements, make trade-offs with
development team, transform into high-fidelity
prototype.
4. Create visual designs, provide developers with assets and
detailed specifications
RESULTS
• Redesigned web portal, the system, mobile app
• Improved omnichannel registration and onboarding
• Optimized structure and usability, new features integrated
CASE STUDY 4
UX optimization and redesign of Metalface
social platform (desktop and mobile)
Private Investor, Netherlands, 2018

9. Identifying pain points in
overcomplicated navigation
Optimizing navigation and
structure based on research
Evaluating system usability
with Nielsen’s heuristics
Measuring performance of
navigation and structure
Measuring success of redesign in
3-stage usability testing
Providing recommendations and
solutions for developers
BEHIND UI/UX
Usability testing, research and analytics
Our deliverables, that makes impact on decision making and drives business to success

10. Bazilis - Food waste mobile
platform for restaurants (Lithuania)
iShipIT – Social parcel delivery
mobile platform (Netherlands)
Mokis – Private parking payment
app (Lithuania)
MFSign – Mobile signature for
business documents (Lithuania)
WiderFi – Mobile data for Travelers
at local rates (USA)
LNK TV – Redesigned desktop
and mobile portal (Lithuania)
MEDIA / LOGISTICS / TELCO / START-UP PROJECTS
High Fidelity Prototypes and UI Designs

11. Mediafon.ID - Portal with
documentation and API
Paysera – optimization of corporate portal
and all systems
Fino.lt – design of desktop and
mobile portal for B2B loans
Saffort - Online store design and
optimization for UK market
Gala TV - Optimization and redesign
of user interface
VMI – Transforming requirements into
high fidelity prototype
FINTECH / TECHNOLOGY / E-COMMERCE / ENTERTAINMENT PROJECTS
Optimizations and redesign projects

12. Client
Information Society Development Committee under
Ministry of Transport and Communication of Lithuania.
Problem
Millions of Euros spent from EU to develop public sector e-
services and they are still not effective, too complex and
not accessible for everyone.
Solution
Creation of usability methodology and guidelines, tailored
to project owners so they could adopt user-centered
design principles in public procurement.
PROUD TO BE ONE OF THE CREATORS OF
National usability guidelines and
UX methodology (LT)

13. Public UX trainings
In collaboration with Baltic
Computer Academy
• UI/UX Design: Myths and Reality
• User-centered design approach,
methodology and practice
• Rapid prototyping with Axure RP
Corporate UX trainings
Client: Autoplius.lt – the
biggest auto portal in Baltics
• Individual training program
about UI/UX/UCD
• Usability testing workshop
Analysis of individual projects
• Merging UCD with Agile
development
Public presentation
E-commerce ’17 - The biggest
e-commerce conference in
Lithuania
• Promoting micro interactions
and micro copy as strategic tool
for marketing
Visit: www.uxmokymai.lt
SHARING EXPERIENCE
Public and individual trainings

14. Tautvydas Strazdas
CEO & Certified Usability Analyst
tautvydas@cafevoltaic.com
Contacts
UAB “Cafe Voltaic”, Pajautos str 13-22, Vilnius LT-06203,
Tel. +370 5 208 0091, info@cafevoltaic.com
Company code: 302689369, VAT code: LT100011759815
www.cafevoltaic.com