Available to hire
I’m Sarah Mitchell, a UX and Product Designer with a track record of delivering measurable improvements across SaaS, AI-driven tools, and enterprise software. I blend research, prototyping, and scalable design systems to ship experiences that users love and that teams can maintain.
I thrive in cross-functional teams, bridging design with engineering and product management. I enjoy mentoring, driving accessibility, and creating end-to-end experiences for desktop and mobile across B2B and B2C contexts.
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Language
English
Fluent
Work Experience
UX Designer at Microsoft
October 1, 2023 - September 1, 2025Led Edge design system work in a v-team, defined components used across the organization; contributed to Edge Management Experiences admin console; supported Tab Accessibility and customization initiatives to improve retention; helped brainstorm UI for tab-related AI suggestion chips; led scareware blocker design using AI to deter scams and save users money; launched products with 200M+ DAU; increased retention by 15% in 3 months.
Product Designer at Salesfire
March 1, 2022 - June 1, 2023Led UX design for Salesfire Trends analytics dashboard; focused on usable SAAS AI products; boosted e-commerce conversion rates by over 6% for some brands; helped design backend of the dashboard, resulting in a 60% increase in Average Order Value for some clients; participated in wireframing and UX workshops; liaised with departments to scope projects; developed different deliverables for chatbots.
Lead UX/UI Designer at Big Table Marketing
November 1, 2021 - February 1, 2022Led UX/UI design for websites and mobile apps for global franchises such as Domino’s Pizza, Anytime Fitness and Costa Coffee; used by over 100 franchises in the UK.
UX/UI Designer at Homesdirect365
November 1, 2021 - February 1, 2022Created the UI and UX for business at varied stages with a focus on SEO strategy implementation; created end-to-end flows, and coded CMS websites.
UX/UI Developer at PJA Distribution
February 1, 2018 - October 1, 2019Collaboratively via GIT developed and designed an eBay templating application using an MVC framework.
UX Designer 2 at Microsoft
October 1, 2023 - September 1, 2025Scaled Edge browser features for 200M+ DAU via end-to-end quantitative studies and A/B tests; synthesized data into actionable design iterations. Created design-to-engineering specs and guidelines to reduce handoff friction and bugs. Owned and maintained the Edge Design System with detailed tokens and cross-functional documentation. Built high-fidelity, logic-driven prototypes for AI-driven safety and accessibility features. Led UX strategy for Microsoft Scareware Protection and EMX, increasing enterprise retention by 15%.
Education
BA in Web and Multimedia Design at Teesside University
January 11, 2030 - October 1, 2017BA Web and Multimedia Design at Teesside University
January 11, 2030 - October 1, 2017Qualifications
Industry Experience
Software & Internet, Media & Entertainment, Retail, Professional Services
Experience Level
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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