Dagny Janowska, Designer in London, United Kingdom
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Dagny Janowska

Verified Expert  in Design


London, United Kingdom
Toptal Member Since
July 8, 2020

Dagny is a product designer (UX and UI focused) and a visual identity specialist. Dagny works closely with companies to create compelling digital experiences by leading the delivery of both native mobile/tablet applications as well as responsive web platforms. Dagny's objective is to make sure the user is advocated and business needs are considered when delivering evidence-based, accessible, scalable UI systems and UX patterns that are functional but also offer moments of delight.


Work Experience

Vice President UX Design Lead

2023 - PRESENT
JPMorgan Chase
  • Led design and defined strategy, creating an intuitive and user-driven financial product.
  • Designed in an iterative and research-driven manner, delivering seamless banking experiences and providing the Chase UK mobile app users with simple ways to manage their money.
  • Managed stakeholder expectations and multi-team collaborations, ensuring the user and the business were advocated for.
Technologies: Accessibility, Agile, Agile UX, User Flows, Usability, App UX, Product Design, Stakeholder Management, UX Research, Strategy, UX Strategy, CX Strategy, Mobile, Mobile UX, Design Systems, UX Workshops, Ideation Workshops, Discovery Workshops, Design Workshops, Workshops, Ideation, Figma, Stakeholder Engagement, Remote Usability Testing, Usability Testing

Product Designer

2021 - 2022
  • Led the design of several product workstreams for operation insights. Focused on building great-looking and functional solutions for complex scenarios.
  • Identified extensive data threads between multiple digital manufacturing tools and leveraged those findings to streamline user workflows and processes.
  • Facilitated a major design system transition from Sketch to Figma with the aim of improving scalability and accessibility.
Technologies: Product Design, Design, User Experience (UX), User Interface (UI), Workshops, UX Workshops, Design Workshops, User Workshops, User Interviews, Interviews, Blueprint, User Journeys, User Journey Maps, Strategy, Web UX, Responsive, UX Research, User Flows, Web UI, Design Systems, Figma, Stakeholder Management, Stakeholder Interviews, UX Analysis

Lead Product Designer

2020 - 2021
Careology Health
  • Led the design for a healthtech startup that provides digital cancer care.
  • Delivered a native iOS and Android patient app that integrates with the patient's wearable devices, e.g., temperature patches.
  • Designed and delivered the MVP of an accompanying responsive web platform and dashboards for medical professionals.
  • Drove the redesign and QA of the existing mobile patient app.
  • Crafted and improved the patient and clinical product architecture.
  • Aligned the existing digital products with the new branding direction.
  • Worked with the leadership to craft new features.
  • Delivered a cross-platform UI toolkit and a responsive strategy.
Technologies: Health, Health & Wellness, Healthcare, Slack, HubSpot, Adobe Photoshop, Trello, Adobe Illustrator, Zeplin, Miro, Jira, InVision, Sketch, Ideation Workshops, Mobile App UI, Mobile UX, Responsive Design, Ideation, Strategic Design, Product Design, Android, iOS, Web UI, Web UX, User Flows, Accessibility, Web UX Design, Web UI Design, Information Architecture (IA), Team Management, Prototyping, Design Systems, Brand Design, Leadership, UX Leadership, User Testing

Senior Product Designer

2018 - 2020
L3M Technologies
  • Led the design from research to release of BiaMother: a highly personalized health and wellness mobile app for mothers.
  • Worked with McLaren Applied Technologies to integrate their human performance module through four key pillars cognition, nutrition, movement, and recovery.
  • Conducted over 60 (one hour) 1-to-1 interviews as part of my larger product research and analysis.
  • Moderated user and expert workshops and testing sessions.
  • Leveraged user data, personal needs, and goals to craft advice integration.
  • Worked with the company and engineering leadership to create a product concept, shape new features, and deliver a roadmap.
  • Worked closely with a communications/branding agency to create a direction for our product.
  • Created the product architecture based on research.
  • Delivered a UI toolkit and component/content libraries as well as an iconography system.
Technologies: Adobe Illustrator, Zeplin, Capture One, Adobe Lightroom, Principle, InVision, Sketch, User Research, User Testing, UX Research, UX Flows, User Journeys, User Journey Maps, User Experience (UX), User Interviews, User Interface (UI), App UX, Mobile, Mobile Apps, Client Interviews, Interviews, User Personas, Workshops, Ideation Workshops, UX Workshops, User Workshops, Product Roadmaps, Prototyping, Competitor Analysis & Profiling, Proof of Concept (POC), Minimum Viable Product (MVP), MVP Design, Product Design, UX Leadership, Design Leadership, Research, Research Analysis

UI Designer

2018 - 2018
The Wellcome Trust
  • Delivered a scalable design system and toolkit usable across three major projects: the Wellcome Trust website, Trustnet (intranet), and Explorify (a free teaching aid for schools).
  • Devised a complex responsive grid and strategy that accommodated the existing build.
  • Created visual and structural uniformity for existing and future products.
  • Delivered product improvements to meet accessibility standards based on our work with "AbilityNet" accessibility testing reports.
  • Redesigned the website Directories section and prepared its variants for AB testing.
  • Created an iconography set for Explorify: a teaching platform.
  • Initiated a new visual direction for the company intranet called Trustnet.
Technologies: ZenHub, GitHub, Axure, InVision, Zeplin, Sketch, User Experience (UX), Web UX, Story Mapping, User Interface (UI), Design Systems, Iconography, Charity, Health, Web UI, Prototyping, Interactive Prototypes

UX/UI Designer

2013 - 2018
Freelance Consulting
  • Designed the website and marketing for London Medical Spa.
  • Delivered the data visualization and design of a progress report for the Grow Africa Foundation.
  • Delivered a design strategy for YPI Yachts in Monaco.
  • Crafted the website design for James Caplin, an executive coach.
  • Created a visual identity for Owadodajnia which is a company that provides live food for lizards.
  • Conceptualized a visual identity and packaging design for Anjali Hood textile designer.
  • Delivered a visual identity and calling card website for Vaughan Consultancy which provides quantity surveying services.
Technologies: Adobe After Effects, Adobe InDesign, Adobe Illustrator, Adobe Photoshop, InVision, Zeplin, Figma, Sketch, UX Flows, User Flows, User Experience (UX), User Interface (UI), Web Design, Icon Design, Branding, Product Strategy, UX Strategy, Strategy, Charity, Wellness, Health & Wellness, Data Validation, Visual Identity

Lead Designer

2014 - 2015
Matter of Form | Unicef
  • Created the visual communication strategy and contents of the Unicef Adolescent Toolkit.
  • Designed an extensive iconography system used to support youth in conflict-affected countries.
  • Delivered an instructional report and supporting materials as part of the toolkit distributed to organizations in developing countries.
Technologies: Adobe Creative Suite, Design Strategy, Iconography, Icon Design, Charity, Adobe Photoshop, Web UX, Print, Layout, Branding

UX/UI Designer

2014 - 2014
  • Led the UI/UX of digital fitness products for Fitbug.
  • Worked with Fjord Digital Agency to set the initial direction for the mobile applications.
  • Delivered a set of mobile wellness applications called Kiqplan.
  • Designed the Kiqplan web marketing website and accompanying visuals.
Technologies: InVision, Adobe Creative Suite, User Experience (UX), App UX, Web UX, UX Flows, User Interface (UI), Mobile, Mobile Apps, Fitness, Exercise & Fitness, Wellness, Health & Wellness, Wireframing, Prototyping, MVP Design, Design Leadership, Gamification

Lead Designer

2013 - 2013
Matter of Form
  • Art-directed and designed web-based projects intended for both mobile and desktop products as well as branding.
  • Directed a small team of designers in the digital agency specializing in luxury brands.
  • Designed a tablet application and web platform for ReChannel: a complex eCommerce system.
  • Delivered branding for St. James: a luxury Malaysian members club and identity.
  • Designed a website for Resource Pool: an innovative recruitment startup.
  • Delivered branding and a website for Kodal Minerals: a mining company.
Technologies: Requirements, UX Flows, User Flows, Workflow, Web UI, Wireframing, Responsive UI, Responsive Design, UX Leadership, Team Leadership, Leadership, Adobe Creative Suite, Branding, Project Management, User Experience (UX), Design Workshops, User Interface (UI), Information Architecture (IA), Iconography, Illustration, Tablet UX, Tablet UI, Tablet Design, App Design, Logo Design, Brand Guidelines

Visual Designer

2012 - 2013
University of Westminster
  • Handled clients, suppliers, finance, and all incoming internal design requests.
  • Communicated the university's core values visually across different media through the institution's dynamic brand.
  • Created data visualizations for internal reports.
Technologies: Adobe Creative Suite, Web, Web UI, Web UX

Graphic Designer

2010 - 2012
Birmingham City University
  • Maintained consistency in the university’s identity across a variety of outputs.
  • Delivered a large number of briefs ranging from web design to magazine design.
  • Created internal branding for events and sub brands.
Technologies: Adobe Creative Suite

Graphic Designer

2007 - 2007
Municipal Transport Administration in Gdansk
  • Conceptualized and developed search systems for the city’s public transport.
  • Enhanced the usability of software for passengers.
  • Created web and print deliverables for public transportation.
Technologies: Adobe Creative Suite, Data Visualization, Wayfinding, Web UI, Web UX
2009 - 2010

Master of Arts Degree in Visual Communication (Branding and Identity Design)

Birmingham Institute of Art and Design, Birmingham City University - Birmingham, England

2006 - 2009

Bachelor of Arts Degree with Honors in Visual Communication

Birmingham Institute of Art and Design, Birmingham City University - Birmingham, England

2005 - 2006

Foundation Degree in Art and Design

Lasalle—SIA College of the Arts Singapore - Singapore


Sketch, Zeplin, Figma, InVision, Adobe CC, Miro, Jira, Adobe Illustrator, Trello, Adobe Photoshop, Slack, Principle, Adobe Lightroom, Capture One, GitHub, Adobe InDesign, Adobe After Effects, Adobe Creative Suite

Industry Expertise

Fitness, Health, Health & Wellness, Healthcare, Education, Fashion, Retail & Wholesale, Exercise & Fitness


Web, Android, iOS, Axure, Mobile




User Interface (UI), User Experience (UX), Web Design, User Research, Wireframing, Information Architecture (IA), Branding, Responsive UI, Personas, Agile UX, User Journey Maps, Product Design, Responsive Web Design (RWD), Design Systems, UX Design, UI Design, User Personas, Prototyping, Mobile Design, Market Research & Analysis, Wellness, Web App Design, Web UI, Web UX, Icon Design, App Icon Design, B2C, B2B, Design, Design Leadership, Estimations, Design Strategy, Product Strategy, UX Leadership, UX Research, Accessible Design, User Interviews, Illustration, Customer Research, Launch Strategy, Inclusive Design, Web Accessibility, Team Leadership, HubSpot, ZenHub, User Flows, Dashboards, Responsive Design, User Journeys, Feature Roadmaps, Iconography, Responsive, Research, Accessibility, Story Mapping, Ideation Workshops, Product Roadmaps, Interviews, User Workshops, Feature Planning, Nutrition & Supplements, Parenting, Research Analysis, Mindfulness, UX Flows, Startups, Recruitment, Leadership, Workflow, Requirements, Mobile App UI, Mobile UX, Ideation, Strategic Design, Project Management, Design Workshops, Tablet UX, Tablet UI, Tablet Design, App Design, Web UX Design, Web UI Design, Team Management, User Testing, App UX, Mobile Apps, Client Interviews, Workshops, UX Workshops, Data Visualization, Wayfinding, UX Strategy, Strategy, Data Validation, Visual Identity, Interactive Prototypes, Competitor Analysis & Profiling, Proof of Concept (POC), Minimum Viable Product (MVP), MVP Design, Gamification, Brand Design, Logo Design, Brand Guidelines, Agile, Usability, Stakeholder Management, CX Strategy, Discovery Workshops, Stakeholder Engagement, Remote Usability Testing, Usability Testing, Blueprint, Stakeholder Interviews, UX Analysis, Print, Layout

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