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I'm a Senior UX/UI Designer with a business background, specializing in early-stage startups, SaaS and AI products. I thrive as a long-term design partner for startups, joining teams where design is just getting started and bringing structure, scalability and a strong user focus without slowing down the pace of development. I speak the language of tech teams, adapt fast, and work hands-on across the full design process. I’m AI-native: I use tools like Figma, Framer, Miro, Notion, Lovable, and other prototyping platforms daily to prototype and validate ideas faster, and I bring specialized experience designing AI interfaces, building trust through transparency, confidence levels and the right balance of automation and human control.…I'm a Senior UX/UI Designer with a business background, specializing in early-stage startups, SaaS and AI products. I thrive as a long-term design partner for startups, joining teams where design is just getting started and bringing structure, scalability and a strong user focus without slowing down the pace of development. I speak the language of tech teams, adapt fast, and work hands-on across the full design process. I’m AI-native: I use tools like Figma, Framer, Miro, Notion, Lovable, and other prototyping platforms daily to prototype and validate ideas faster, and I bring specialized experience designing AI interfaces, building trust through transparency, confidence levels and the right balance of automation and human control.

Marie Schmidtsdorf

UX Designer, UI Designer, Product Designer, +2

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I'm a Senior UX/UI Designer with a business background, specializing in early-stage startups, SaaS and AI products. I thrive as a long-term design partner for startups, joining teams where design is just getting started and bringing structure, scalability and a strong user focus without slowing down the pace of development. I speak the language of tech teams, adapt fast, and work hands-on across the full design process. I’m AI-native: I use tools like Figma, Framer, Miro, Notion, Lovable, and other prototyping platforms daily to prototype and validate ideas faster, and I bring specialized experience designing AI interfaces, building trust through transparency, confidence levels and the right balance of automation and human control.…I'm a Senior UX/UI Designer with a business background, specializing in early-stage startups, SaaS and AI products. I thrive as a long-term design partner for startups, joining teams where design is just getting started and bringing structure, scalability and a strong user focus without slowing down the pace of development. I speak the language of tech teams, adapt fast, and work hands-on across the full design process. I’m AI-native: I use tools like Figma, Framer, Miro, Notion, Lovable, and other prototyping platforms daily to prototype and validate ideas faster, and I bring specialized experience designing AI interfaces, building trust through transparency, confidence levels and the right balance of automation and human control.

Available to hire

I’m a Senior UX/UI Designer with a business background, specializing in early-stage startups, SaaS and AI products. I thrive as a long-term design partner for startups, joining teams where design is just getting started and bringing structure, scalability and a strong user focus without slowing down the pace of development. I speak the language of tech teams, adapt fast, and work hands-on across the full design process.

I’m AI-native: I use tools like Figma, Framer, Miro, Notion, Lovable, and other prototyping platforms daily to prototype and validate ideas faster, and I bring specialized experience designing AI interfaces, building trust through transparency, confidence levels and the right balance of automation and human control.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

German

Fluent

English

Fluent

French

Intermediate

Portuguese

Beginner

Work Experience

Senior Product Designer at Mavue GmbH

August 1, 2025 - August 1, 2025

Led end-to-end design for a modular, data-heavy SaaS platform; achieved +90 NPS, +32% increase in user engagement through enhanced data management, automated workflows, and an AI-powered chatbot; drove 0→1 product build and cross-functional delivery with product, engineering, and marketing; provided strategic roadmap input in collaboration with the CPO.

UX/UI Designer at The NewsRoom.io

May 1, 2023 - May 1, 2023

Built and delivered the next-generation app version and AI features from research to market; led stakeholder workshops with executives, product, and engineering to accelerate alignment and innovation; improved adoption via user interviews and usability testing.

Product Strategist (Growth & Onboarding Experience) at Xentral ERP GmbH

December 1, 2022 - December 1, 2022

Identified 3 new market opportunities; redesigned product packaging and pricing to improve market entry, onboarding, and growth; led 4+ cross-functional projects with product, sales, and marketing to deliver product-led growth initiatives.

Co-Founder (Product Strategy & Design) at mangoUP

July 1, 2021 - July 1, 2021

Co-founded a startup community for entrepreneurs under 25 in Lisbon; guided 150+ founders to turn ideas into MVPs with rapid prototyping and user feedback; designed and iterated 6 non-code prototypes for fast validation.

Consulting Intern (Business & Project Management) at Ernst & Young GmbH; Pyür; Ecovis

January 1, 2019 - January 1, 2019

20 months of full-time experience in business consulting and project management across three leading firms; performed financial and strategic analyses to inform client decisions; contributed to workflow improvements and cross-functional collaboration for client projects.

Freelance UX/UI Designer at Self-Employed

August 1, 2024 - Present

Long-term partnerships: embedded design partner for early-stage startups in B2B SaaS & AI. Conversion optimization: improved onboarding and pricing flow for a B2C web app. Product launch: supported end-to-end launch of a B2B SaaS AI product, including website and marketing materials. Design sprint: research, iteration and creative vision for a new feature at a conversational AI startup. AI model training: ranked #1 out of 50 designers for design prompting and qualitative evaluation.

Senior Product Designer at Mavue GmbH

May 1, 2023 - August 1, 2025

0 → 1 product build: first UX/UI designer, end-to-end design process for a modular, data-heavy SaaS platform. Strategic leadership: co-led product roadmap, vision and insight management with CPO. +90 NPS: improved experience, making the product the most intuitive in the market. +32% user engagement: through enhanced data management, automated workflows and an AI-powered chatbot. Churn reduction: conducted user research and usability testing, directly influencing feature prioritization. Cross-functional delivery: partnered with product, engineering and marketing to align user needs with business objectives.

Product Strategist (Growth & Onboarding Experience) at Xentral ERP GmbH

October 1, 2021 - December 1, 2022

26% higher customer satisfaction & 18% cost efficiency: redesigned product packaging and pricing structures. 3 new market opportunities identified: business plan for market entry, product launch, onboarding optimization. 4+ cross-functional projects: partnered with product, sales and marketing to deliver product-led growth initiatives.

Co-Founder (Product Strategy & Design) at mangoUP

June 1, 2020 - July 1, 2021

Co-founded MangoUP: community incubator for entrepreneurs under 25, growing to 150 active members. 150+ founders supported: helped young entrepreneurs turn ideas into MVPs. 6 prototypes: designed, tested and iterated no-code prototypes for fast validation.