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I’m a Senior UX Designer and UX Team Lead based in Ottawa, Canada, with 7+ years of experience delivering accessible, user-centered digital products in complex organizations. I specialize in end-to-end UX and product design, user research, usability testing, and high-fidelity prototyping. I lead cross-functional teams, translating business and technical requirements into effective, data-informed design solutions that improve user outcomes at scale.…I’m a Senior UX Designer and UX Team Lead based in Ottawa, Canada, with 7+ years of experience delivering accessible, user-centered digital products in complex organizations. I specialize in end-to-end UX and product design, user research, usability testing, and high-fidelity prototyping. I lead cross-functional teams, translating business and technical requirements into effective, data-informed design solutions that improve user outcomes at scale.

David Lee

UX Designer, UI Designer, Product Designer, +2

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I’m a Senior UX Designer and UX Team Lead based in Ottawa, Canada, with 7+ years of experience delivering accessible, user-centered digital products in complex organizations. I specialize in end-to-end UX and product design, user research, usability testing, and high-fidelity prototyping. I lead cross-functional teams, translating business and technical requirements into effective, data-informed design solutions that improve user outcomes at scale.…I’m a Senior UX Designer and UX Team Lead based in Ottawa, Canada, with 7+ years of experience delivering accessible, user-centered digital products in complex organizations. I specialize in end-to-end UX and product design, user research, usability testing, and high-fidelity prototyping. I lead cross-functional teams, translating business and technical requirements into effective, data-informed design solutions that improve user outcomes at scale.

Available to hire

I’m a Senior UX Designer and UX Team Lead based in Ottawa, Canada, with 7+ years of experience delivering accessible, user-centered digital products in complex organizations. I specialize in end-to-end UX and product design, user research, usability testing, and high-fidelity prototyping.

I lead cross-functional teams, translating business and technical requirements into effective, data-informed design solutions that improve user outcomes at scale.

Skills

Experience Level

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Senior UX Designer at Canada Revenue Agency (CRA)

January 1, 2025 - December 31, 2025

Led UX design and usability testing for a public-facing government web portal, collaborating with UX designers, researchers, and developers to redesign user journeys, resulting in a 90% increase in user success rates and an 80% improvement in navigation efficiency. Designed and delivered fully interactive, high-fidelity prototypes that closely mirrored production systems to support realistic user testing and stakeholder validation. Conducted and supported usability testing, analysis, and synthesis to identify usability issues, accessibility gaps, and opportunities for iterative improvement.

UX Team Lead at Canada Revenue Agency (CRA)

January 1, 2021 - December 31, 2024

Led a cross-functional UX team delivering digital service improvements for CRA contact centre platforms. Planned, executed, and oversaw user research and usability testing including first-click tests, tree tests, card sorting, surveys, interviews, focus groups, heuristic evaluations, and moderated usability tests. Synthesized research findings into actionable insights and formal UX reports used to inform product and policy decisions. Collaborated closely with developers and product stakeholders to translate design concepts into production-ready features within Agile delivery cycles. Mentored designers and researchers, supporting professional growth and consistent UX standards.

Section Manager (Acting) at Canada Revenue Agency (CRA)

June 1, 2023 - September 30, 2023

Managed workload planning and operational oversight for two UX teams and one web development team, supporting approximately 20 staff members. Balanced people management responsibilities including staffing, recruitment support, performance coordination, and administrative approvals with strategic UX leadership. Advocated for UX and service design practices across departments to ensure alignment with organizational priorities.

Senior UX Designer at Canada Revenue Agency (CRA)

January 1, 2020 - January 1, 2021

Planned and facilitated usability testing sessions to collect high-quality qualitative and quantitative user data. Analyzed research results and presented clear, actionable recommendations to stakeholders and senior leadership. Designed interactive prototypes to simplify complex tax workflows for call centre agents, reducing time on task and improving usability metrics by up to 80%. Collaborated with developers to validate front-end designs and ensure seamless integration with back-end systems.

UX Designer at Canada Revenue Agency (CRA)

April 1, 2019 - January 31, 2020

Designed and iterated on internal digital tools for CRA call centre agents using user-centered design methodologies. Produced wireframes and high-fidelity prototypes informed by ongoing user research and testing. Redesigned internal reference systems, improving information accuracy by 60%, retrieval speed by 75%, and reducing average call handle times by 20%.