Tatiana Codorniz

UX Designer

São Paulo, Brazil16 yrs 2 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Over 15 years of experience in UX design and research.
  • Expert in creating user-centered digital experiences.
  • Proven track record of mentoring and leading UX teams.
Stackforce AI infers this person is a UX expert in Fintech and E-commerce industries.

Contact

Skills

Core Skills

Ux ResearchUser Experience (ux)User ExperienceUser Experience DesignE-commerceDigital MarketingDesign

Other Skills

Adobe IllustratorAdobe InDesignAdobe PhotoshopAxure RPCascading Style Sheets (CSS)Customer ExperienceDesign de experiênciaDesign de interaçãoDesign voltado para o usuárioEnglishFigma (Software)HTMLHeuristic EvaluationInformation ArchitectureInteração homem-máquina

About

Hello! I'm Tatiana Codorniz, an interdisciplinary UX professional with over 15 years of experience in digital products and tech companies. I'm highly skilled in researching, information architecture, and creating intuitive, user-centred digital experiences that delight users and drive business goals. My unique combination of skills and experience sets me apart from other UX professionals. For example, I have extensive experience working with international teams, managing complex, fast-paced projects, and presenting complex UX information and documentation to multidisciplinary stakeholders. As a UX Researcher, I've conducted various qualitative and quantitative research studies, including usability testing, user interviews, surveys, competitor comparison, and analytics studies. As a UX Designer and Information Architect, I create site maps, user flows, wireframes, and prototypes that align with user needs and business objectives. I'm excited to connect with recruiters and potential collaborators to work on innovative projects and create meaningful digital experiences for users. Let's connect and chat about how I can contribute to your team.

Experience

16 yrs 2 mos
Total Experience
2 yrs 7 mos
Average Tenure
5 yrs 1 mo
Current Experience

Santander

UX Strategist and UX Researcher - Senior

Jun 2024Jun 2025 · 1 yr · São Paulo, São Paulo, Brazil · Hybrid

  • Conducted mixed-method research (surveys and in-depth interviews) to define personas for users aged 60+, helping shape inclusive new feature development.
  • Redesigned complex, multi-channel user flows to simplify customer experiences across web and mobile platforms.
  • Spearheaded and analyzed prototype tests to validate product concepts and influence roadmap decisions.
  • Acted as a bridge between design teams and business leadership, aligning UX initiatives with strategic goals and technical constraints.
  • Mentored analysts and specialists, guiding discovery and validation efforts across several product squads.
  • Role: Senior UX Researcher and Designer - Santander (Jun 2024 - Dec 2024)
  • Following Santander’s acquisition of Toro and Mobills, I was embedded in Santander’s team to represent Mobills’ UX excellence while actively contributing to core banking projects.
  • Led quantitative research to uncover user needs and behavioral patterns, shaping feature requirements for Santander’s online banking app.
  • Planned, conducted, and synthesized user testing to validate prototypes, directly influencing product decisions and iteration cycles.
  • Designed personas, user flows, journey maps, and sitemaps tailored to distinct user segments—presented and socialized these deliverables to stakeholders and executive leadership to drive alignment.
  • Served as a strategic UX ambassador, demonstrating the value of Mobills’ user-centered design practices within Santander’s ecosystem.
UX ResearchUser Experience (UX)Qualitative ResearchQuantitative ResearchInformation ArchitectureService Design

Mobills

Senior UX Researcher and Designer

May 2023Jun 2024 · 1 yr 1 mo · Brazil · Remote

  • Role: Senior UX Researcher and Designer
  • At Mobills, I led strategic UX research and design to drive product improvements and increase business impact for a personal finance management platform used by millions.
  • Conducted extensive quantitative and qualitative research to define data-driven personas. These were adopted by marketing and product teams, resulting in over 200% increase in ROI for targeted campaigns.
  • Analyzed NPS results, historical research, and customer service complaints to identify high-impact usability issues and prioritize “low-hanging fruit” for product optimization.
  • Mapped and documented all pages across iOS, Android, and Web platforms, supporting alignment between design, development, and QA teams.
  • Designed and ran usability tests to validate feature improvements and enhance user satisfaction.
  • Championed a user-centered culture across cross-functional teams, influencing both product vision and tactical design decisions.
UX ResearchUser Experience (UX)Qualitative ResearchQuantitative ResearchUser Experience Testing

Springboard

2 roles

UX Reserch Reviewer

Aug 2022Sep 2024 · 2 yrs 1 mo

  • Reviewing and grading students' research project presentations.
User ExperienceUX ResearchMentoringFigma (Software)

Education Mentor - UX/UI

Apr 2022Aug 2024 · 2 yrs 4 mos

  • Reviewed and graded students' UX Research presentations.
  • Mentored students in weekly sessions, helping them with the course material, project work and career information.
  • Reviewed students’ exercises and projects.
  • Conducted one-time sessions to help students with their questions.
  • Hosted office hours to support students
User Experience DesignUser ExperienceUX ResearchWireframingUser Interface DesignMentoring+1

Conduktor

UX Researcher

May 2022Jul 2022 · 2 mos · Remote · Remote

  • Led UX Research such as specialist interviews, competitor analysis, design reviews and user research.
  • Mapped information architecture of complex interactions, finding live issues and creating site maps and user flows.
User ExperienceUX ResearchInformation ArchitectureMiro Collaboration PlatformFigma (Software)

Hacklab/

UX Researcher and Designer

Feb 2022Jun 2024 · 2 yrs 4 mos · São Paulo, Brazil

  • Role: UX Researcher and Designer
  • Led UX Research for multiple clients, including The Open Knowledge Foundation, Sesc and Mapas Culturais.
  • Conducted and analyzed results of user tests with multiple methodologies.
  • Presented UX findings to stakeholders and clients.
  • Designed Information architecture proposals for multiple projects.
  • Created UX documentation for future projects.
User Experience DesignUser ExperienceUX ResearchUsability DesignInformation ArchitectureWireframing+2

Freelance

Freelancer UX Strategist | UX Researcher | UX/Service Designer

May 2021Present · 5 yrs 1 mo · Remote

  • Working as a freelancer for UX Research, UX Design and Information Architecture projects
UX ResearchUser Experience (UX)Qualitative ResearchQuantitative ResearchInformation ArchitectureService Design

City, university of london

MSc Student in Human-Computer Interaction Design

Sep 2019Dec 2020 · 1 yr 3 mos · London, United Kingdom

  • Modules and highlights
  • Individual Project: Designed and evaluated a high-fidelity prototype of a new web-based tool for home sewing. Users gave 90 points on the SUS UX scale (average score is 68).
  • Creativity in Design: Collaborative design of an immersive digital experience simulating interactions between species to promote empathy and demonstrate the impact of decisions in a “Smart city”. Graded High Distinction.
  • Evaluating User Interfaces: Conducted a usability evaluation and suggested improvements for makingmusic.org.uk website. Graded Distinction
  • Other Modules: Interaction Design, Information Architecture, Inclusive Design, Research Methods, Web Applications Development, Understanding User Interactions
  • Overall classification: Merit
User Experience DesignDesignUser ExperienceUX ResearchUsability DesignInformation Architecture+4

Amazon

2 roles

UX Designer/Researcher, Product and Content Manager for the launch of new marketplace categories

Feb 2017Sep 2018 · 1 yr 7 mos · São Paulo Area, Brazil

  • Worked on the launch of Fashion, Electronics, Computers, Mobile, Videogame, Sports, Home, Kitchen, Home Improvement and Tools, and Office Products categories for the Brazilian website.
  • Created wireframes, prototypes, menus, initial content, and merchandising structure to support the future content managers for the new categories.
  • Worked with the technical and business teams to understand their needs and the expectations of local and international leaders as well as the technical constraints for each launch.
  • Developed complex documents detailing the desired user experience for the new stores and the plan to implement it.
  • Conducted meetings with VPs and other international leaders to present and approve the plans before implementation.
  • Organized and mediated user testing sessions before launch to test and adjust the new stores’ experience.
  • Worked closely with multiple international technical teams and with the teams responsible for category expansions in Australia and Turkey, finding ways to align our processes and make the best use of resources.
  • Supervised graphic designers developing the art for each launch.
User Experience DesignDesignUser ExperienceUX ResearchE-commerceUsability Design+6

Online sales & content manager for books

Jan 2014Feb 2017 · 3 yrs 1 mo · São Paulo Area, Brazil

  • Part of the launch team for retail in Brazil. Planned the UX, creating wireframes, prototypes, menus, initial content, and merchandising structure for the books store.
  • Organized and mediated user testing sessions before launch to test and adjust the new store’s experience.
  • Created promotional and seasonal campaign calendars, managing the workflow of design, content creation and customer activation.
  • Planned the UX, created wireframes and expected customer experience for landing pages of the seasonal campaigns and events such as Black Friday and Back to School.
  • Outbound (Email Marketing) management. Created activation calendar, A/B testing, automated metrics report, customer segments and templates for email programs. Increased in 27% the share of sales through the Email marketing channel.
  • Developed “evergreen” merchandise structures and automated content for pages such as Comics Store, textbooks, and foreign language books, increasing 18% the sales of those categories.
  • Created automated weekly KPI metrics report using SQL queries.
  • Supervised a team of four people, marketing managers and graphic designers, dedicated to the books category.
UX ResearchE-commerceDigital MarketingWeb AnalyticsProject ManagementCustomer Experience+1

Estante virtual

Marketing Supervisor

Nov 2012Sep 2013 · 10 mos · Rio de Janeiro Area, Brazil

  • Created seasonal campaign calendars, managing the workflow of content creation, promotional landing pages and e-mails.
  • Negotiated and managed online media partnerships with price comparison shops, content creators and news portals.
  • Managed the participation of the company in Brazil’s largest books fair, "Bienal do livro”, supervising the creation of the interactive kiosk experience, the hiring of the staff and presence in the event.
  • Managed a team of marketing managers.
E-commerceDigital MarketingWeb AnalyticsCustomer Experience

Shoptime.com

3 roles

Position: Social Media Manager

Aug 2011Nov 2012 · 1 yr 3 mos · Rio de Janeiro Area, Brazil

  • Defined customer communications structure.
  • Created engagement and promotional content for Facebook, Twitter, YouTube, and the TV channel blog.
  • Worked with CS to develop a specialized social media Customer Support office.
E-commerceDigital MarketingWeb AnalyticsCustomer Experience

Digital Advertising Manager

Feb 2011Aug 2011 · 6 mos · Rio de Janeiro Area, Brazil

  • Managing Sales, Hits and Profitability targets for advertisements at news sites such as UOL, BOL, and MSN.
  • Participation in negotiations for the purchase of advertising space.
  • Close contact with business teams to create special offers tailored to the users of each portal.
  • Daily contact with the account executives of each portal and with the agency that created the graphic assets.
E-commerceDigital MarketingWeb AnalyticsCustomer Experience

Outbound (Email Marketing) Manager

Jul 2008Feb 2011 · 2 yrs 7 mos · Rio de Janeiro Area, Brazil

  • Creation of promotional and events calendar, customer segments, and e-mail campaigns.
  • Increased the share of sales from the promotional e-mails channel from 9% to 12%.
  • Close contact with business teams to create special offers tailored to different customer segments.
  • Worked with developers for the creation of a tool for quick set-up of promotional emails.
E-commerceDigital MarketingWeb AnalyticsCustomer Experience

Eduweb

Media Designer

Aug 2007Jul 2008 · 11 mos

  • Worked with flash animations for e-learn training courses in Portuguese and Spanish.
Design

Vm7

Web Designer

Jun 2007Aug 2007 · 2 mos · Rio de Janeiro Area, Brazil

  • Updating of websites and development of material for CVRD, PetSite, Salutar, among others.
Design

Arco arquitetura e produções

Designer

Aug 2006Dec 2006 · 4 mos · Rio de Janeiro Area, Brazil

  • Worked on the creation of Soccer Museum Exhibit at the Maracanã Stadium; producing of virtual scale models and display panels.
Design

Education

City St George’s, University of London

Master of Science - MS — Human Computer Interaction

Sep 2019Oct 2020

FGV - Fundação Getulio Vargas

MBA — Marketing

Jan 2010Jan 2011

Pontifícia Universidade Católica do Rio de Janeiro

Bachelor of Arts - BA — Industrial and Product Design

Jan 2004Jan 2008

Universidad de Monterrey

Bachelor of Arts - BA — Industrial and Product Design

Jan 2007Jan 2007

Stackforce found 100+ more professionals with Ux Research & User Experience (ux)

Explore similar profiles based on matching skills and experience