Dorota Kacejko, Designer in London, United Kingdom
Dorota is available for hire
Hire Dorota

Dorota Kacejko

Verified Expert  in Design


London, United Kingdom
Toptal Member Since
April 12, 2018

Dorota is a UX and research lead who has been creating intuitive and easy to use digital products since 2010. She has worked with various clients, from small startups to corporations such as IBM, Unilever, and News Corporation. She loves implementing industry best practices, involving users early in the process, and analyzing data to create a delightful user experience.


Work Experience

UX and Research Lead

2018 - PRESENT
News Corp UK
  • Joined the project to lead the UX, research and design efforts related to improving a product used daily by 700,000 customers.
  • Led the development of the product vision across an omnichannel experience that includes a mobile application, responsive website, and a browser plugin.
  • Performed an expert review of the existing product which led to major re-design efforts.
  • Kicked off the research phase of the project successfully with a Google Ventures Design Sprint, including various stakeholders from across the business.
  • Worked on a product roadmap ideation.
  • Composed a research, UX, and design strategy for the next six months.
  • Led regular usability testing sessions with participants and iterates the designs based on the feedback.
Technologies: Trello, User Interviews, User Research, Usability Testing, Workshops, Presentations, Pitch, InVision, Sketch

Lead UX Designer and Researcher

2017 - 2018
Saga, Ltd.
  • Worked in an agile team on releasing a new membership programme, from defining the project to execution and release.
  • Facilitated stakeholder interviews, workshops, pitching ideas, and sharing progress updates.
  • Captured project requirements, balancing stakeholder requests with customer needs.
  • First-planned and later executed the entire research strategy. It involved writing testing scripts, designing interactive prototypes, and testing them with users.
  • Analyzed customer feedback and regularly presented insights back to senior stakeholder, gaining their buy-in for major product changes.
  • Briefed and supervised visual designers and front-end developers.
Technologies: Jira, User Interviews, User Research, Usability Testing, Workshops, Presentations, Pitch, InVision, Frontify, Sketch

Lead iOS UX/UI Designer

2017 - 2017
DDB Remedy
  • Designed two iOS applications for major pharmaceutical companies.
  • Managed senior stakeholders through workshops and presentations.
  • Translated complex content into Information Architecture that was easy to navigate through to users.
  • Advocated for using native component in the interface so the apps feel instantly familiar to users.
  • Mentored and trained the team members who weren’t experienced in working on digital products.
Technologies: User Interviews, User Research, Usability Testing, Workshops, Presentations, Pitch, Marvel, Sketch

Lead iOS UX Designer

2016 - 2017
Stealth Startup
  • Led the process of conceptualizing a brand new iOS app.
  • Involved in all aspects of the design process, from prioritizing features, interviewing customers, through to wireframing, designing the interface, and iterating on in based on usability testing.
Technologies: Demos, User Interviews, User Research, Usability Testing, Workshops, Marvel, Sketch

UX Designer and Researcher

2016 - 2016
  • Collaborated with two other designers on uncovering and fixing usability problems with an eCommerce site.
  • Used insights gathered from interviews to create personas needed later in the process.
  • Led design studio workshops to get a unified idea of the new site concept which helped with creating a paper prototype for every design objective.
  • Created mid-fidelity wireframes and a high-fidelity interactive prototype.
  • Iterated the designs three times, preceded by a round of usability testing.
Technologies: Demos, User Interviews, User Research, Usability Testing, Workshops, Presentations, Pitch, Marvel, Sketch

UX Designer

2016 - 2016
Tandem Bank
  • Worked with a digital challenger bank on redesigning their website.
  • Used methods including user flow, creating scenarios, and user journeys.
  • Optimized journeys for conversion across a multi-channel experience.
Technologies: InVision, User Research, Sketch

Digital Strategist

2015 - 2016
  • Worked with the in-house digital team to ensure consistently great user experience of various Unilever brands (Dove, Tresemme, Axe/Lynx, Knorr, Magnum, Omo/Surf, and Wall's) across all platforms.
  • Used tools such as Brandwatch, Sysomos, Clarabridge, as well as Facebook Insights, Twitter, YouTube, and Google Analytics, to prepare visually compelling reports that clearly communicated a roadmap for brands to create improved digital experience.
  • Presented results to clients, from brand managers through to directors.
Technologies: Google Analytics, Clarabridge, Sysomos, Brandwatch, Workshops, Presentations, Pitch, YouTube, Twitter

Interactive Experience Consultant

2014 - 2015
  • Built a brand new HR system to be used by over 1 million people on daily basis.
  • Interviewed stakeholders, and ran testing sessions with existing users.
  • Identified requirements for the new web application, and worked closely with the development team to ensure that the new web app was more intuitive.
Technologies: User Interviews, User Research, Usability Testing, Workshops, Presentations, Pitch, Demos, Sketch

Lead Strategist

2013 - 2013
Tissue Solutions
  • Delivered market analysis, examined trends in consumer behavior, created business plan and development strategy including a marketing plan, which resulted in immediate sales growth.
Technologies: Workshops, Presentations, Pitch

UX/UI Designer

2010 - 2012
JakaSiec and HeartCounter
  • Worked in an agile team of two and released two iOS apps.
  • Released Jaka Siec, an app that allows users to check a carrier of every Polish mobile phone number, that was downloaded over 25,000 times.
  • Launched HeartCounter, an app that assists with manually measuring heart rate by keeping track of time and number of beats. The user only needs to tap a button whenever they detect a heartbeat.
  • Performed user research, rapid prototyping, wireframing, usability testing, and content and copy strategy.
Technologies: User Research, Adobe Creative Suite, OmniGraffle
2015 - 2015

Immersive Study in UX Design

General Assembly - London, United Kingdom

2012 - 2013

Masters of Science (MSc) Degree in International Business and Entrepreneurship

University of Glasgow - Glasgow, Scotland

2008 - 2012

Bachelor of Accountancy Degree in Accounting and Finance

University of Glasgow - Glasgow, Scotland


Marvel App, InVision, Trello, Sketch, GUI Design Studio, OmniGraffle, Apple Keynote, Frontify, Marvel, Principle, Jira, Google Analytics, Adobe Creative Suite, WP eCommerce, Axure RP Pro, Balsamiq, Adobe CS6


Justinmind, Twitter, YouTube, Clarabridge, iOS

Industry Expertise

Travel & Leisure, Pharmaceuticals, Healthcare


User Research, Qualitative Research, User Interviews, Card Sorting, Workshop Facilitation, Persona Design, Responsive Design, Prototyping, UX Design, User Experience (UX), Sitemaps, Information Architecture (IA), iOS App Design, Wireframing, App Design, Contextual Inquiry, Competitor Analysis & Profiling, Analytics, Surveys, Interaction Design (IxD), User Flows, User Interface (UI), Pitch, Presentations, Workshops, Usability Testing, Demos, Brandwatch, Sysomos, Design Sprints, Stakeholder Interviews, Stakeholder Management, Requirements & Specifications, UI Design, Loyalty Programs, Gamification, Redesign, Website Redesign, Feature Planning, Loyalty Applications, Android App Design, Design Leadership, Remote Usability Testing, Remote User Testing, Game Design, Responsive Web Design (RWD), Loyalty Schemes, Rewards Programs, Prize Systems, Website Audits, Web Architecture, Qualitative Reports, UX Workshops, Design Workshops, Business Analysis, Rewards, Accessible Design, Accessibility, Web Accessibility, Senior Users, Financial UX, Market Research & Analysis, iOS UX Design, iOS UI Design, Feature Analysis, User Journey Maps, Interface Design, Client Management, Pitch Presentations, iPad, Patient Services, Sales, Guerilla Usability Testing, Content Management Systems (CMS), Design Documentation, Experience Maps, Personas, Online Shops, Online Shopping, Startups, Lean UX, Lean Startups, Visual Design

Collaboration That Works

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

Discuss your requirements and refine your scope in a call with a Toptal domain expert.

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring