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Work Background
BuddywiseSenior Product Designer
Jan. 2025Berlin, Germany
Polina Kadkina Independent Product Designer
Jun. 2023Paris, Île-de-France, FranceAs an independent product designer, I partnered with ambitious founders and early-stage teams to create intuitive user experiences and help scale their businesses. My work spanned from shaping 0→1 products — defining MVPs and validating early ideas — to evolving existing ventures preparing for growth and funding milestones. I operated as the sole or founding designer, bringing structure to product strategy, design processes, and user research in fast-paced, resource-constrained environments.
RekooProduct Design Lead
Mar. 2022 - May. 2023Berlin, GermanyAt Rekoo, I joined as the first and founding product designer, responsible for setting up the design function from scratch. I led the end-to-end design of the core product supporting post-stroke patient care, overseeing everything from early discovery and user research to product launch. Working closely with the co-founders, I co-designed product strategy, established design processes and workflows, and validated the initial market offering to meet the needs of a highly vulnerable user group.
Doodle AGProduct Designer
Oct. 2020 - Feb. 2022Berlin, GermanyAt Doodle, I led continuous user research initiatives and UX experiments focused on converting free users into paid customers, directly contributing to business growth and profitability. I worked across web and mobile platforms, designing scalable, responsive solutions that improved conversion rates and user retention.
CareerFoundryUX Mentor
Jan. 2020 - Apr. 2023Berlin, GermanyAt CareerFoundry, I mentored aspiring product designers throughout their training programs, providing hands-on feedback on project submissions, guiding them through course content, and supporting their professional development. I offered both strategic and tactical coaching — helping students strengthen their design thinking, refine their portfolios, and build the confidence needed to enter the design industry.
Ada HealthProduct Designer - UX
Nov. 2019 - Oct. 2020Berlin Area, GermanyAt Ada Health, I led the end-to-end design process for a new AI-driven healthcare tool, from early discovery and user research through to launch. Through rapid prototyping and continuous validation, I identified new business opportunities and helped shape product solutions that balanced clinical needs with user-centered design.
MorressierProduct Designer
Feb. 2019 - Jul. 2019Berlin Area, GermanyAt Morressier, I led product design within a small, fast-moving team, conceptualizing and delivering a B2B2C MVP aimed at supporting early-stage product-market fit. I worked on a range of tools designed to modernize and bring more user-friendly experiences into the academic sector, focusing on making complex workflows more intuitive for researchers, institutions, and conference organizers.
HelloFreshProduct Designer
Dec. 2016 - Nov. 2018Berlin Area, GermanyAt HelloFresh, I was the first product designer hired to establish the B2B design function. I led initiatives to build and scale internal tools that optimized logistics, procurement, and operational workflows across multiple international markets. Collaborating closely with operations, tech, and business teams, I delivered scalable solutions that supported HelloFresh’s rapid growth.
RedMartProduct Designer
Sep. 2015 - Nov. 2016SingaporeAt RedMart, I started my product design career by creating internal tools and enterprise solutions across multiple domains, including warehouse operations, last-mile delivery, CRM, product catalog management, and search & discovery. Working closely with cross-functional teams, I focused on optimizing workflows, improving operational efficiency, and supporting the company's operational scalability during a phase of rapid growth.
NurunMaster Thesis Student
May. 2015 - Jul. 2015SingaporeConducted research on collaboration within cross-functional creative teams through an anthropological lens, exploring information flows, pain points, and group dynamics to inform better team workflows.
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