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Justina Keldušytė

@justinakelduyt

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Experienced UX Researcher with over 5 years in technology, education, telecom, and SaaS industries.

United Kingdom

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What I'm looking for

Experienced user, UX and Product researcher looking for senior-level opportunities

I'm a Senior UX Researcher with over 5+ years of experience turning complex user problems into clear, actionable insights. My journey has taken me across diverse industries: from telecom giants like Virgin Media O2 to SaaS scale-ups like CDP where I've learned that great research starts with a great research question.

My approach combines rigorous methodology with practical impact. Whether I'm conducting diary studies to understand user workflows, running card sorting exercises to inform information architecture, or building research operations from the ground up, I focus on research that actually gets used. I've established customer research panels, coached cross-functional teams on research best practices, and created systems that democratise insights across entire organisations.

What drives me is helping teams make confident decisions backed by solid evidence. I thrive in collaborative environments where I can work closely with designers, product managers, and engineers to translate user needs into product improvements that matter. From early-stage discovery that shapes product strategy to evaluative research that fine-tunes user experiences, I'm passionate about research that moves the needle.

When I'm not asking "but why?" in stakeholder meetings, you'll find me with a book, knitting while watching Doctor Who or searching where I can find the ingredients for the next Ottolenghi dish I'd like to attempt to cook.

Experience

Work history, roles, and key accomplishments

Current

Senior UX Researcher

Current

CDP Worldwide

Sep 2024 - Present (10 months)

Leads all UX, User, and Product research initiatives, collaborating with Product, Design, and Engineering teams in an agile environment. Established and maintains a customer research panel of 300+ participants, ensuring compliance with legal and data security standards.

User Research User Testing UX Research User Interviews Focus Groups Survey Design Data Analysis Stakeholder Management Cross Functional Collaboration Mentoring Panel Management Qualitative Research Quantitative Research Mixed Methods Research

UX Researcher

Virgin Media O2

Feb 2023 - Sep 2024 (1 year 7 months)

Led research initiatives for app ecosystems, customer communications, and TV product teams, collaborating with stakeholders to define, plan, and execute end-to-end research projects. Selected and implemented appropriate research methodologies and methods to answer strategic business questions across 2000+ participants, including discovery and evaluative research of combined mobile app

Mobile Research UX Research Usability Testing Card Sorting Tree Test Design Survey Design Survival Analysis Research Design Research Documentation Presentation Skills Collaboration

Product Research Lead

Decoded

Sep 2022 - Feb 2023 (5 months)

Defined and implemented Product Research strategy aligned with Product OKRs. Designed research, data, and reporting pipelines to meet stakeholder needs.

Product Research Data Analysis Reporting Stakeholder Management Mixed Methods Research

Senior Product Researcher

Decoded

Mar 2020 - Sep 2022 (2 years 6 months)

Defined research strategy, positioning, and KPIs, including equality and diversity monitoring. Implemented global research and data management policies and led research and reporting projects for internal and external stakeholders. Delivered over 200 technical training sessions on data science, machine learning, and data ethics, improving research and data literacy for 500+ learners.