I'm Marcel Oelschläger, a Product Service Systems Designer and Senior UX/UI Designer who crafts holistic digital and physical experiences by aligning user needs with strategic business goals. I lead cross-disciplinary workshops with executives and engineers to translate complex risk, product, and service logic into a unified vision under market pressure. I also specialize in fast, evidence-based UX research, scalable design systems, and high-fidelity prototyping that bridge design, engineering, and product to deliver measurable results. My work spans enterprise software, IoT, and healthcare, with a track record of delivering scalable systems, improved user engagement, and stronger cross-functional collaboration. I enjoy turning complex technical concepts into intuitive experiences and guiding teams from discovery through execution to impact.

Marcel Oelschläger

I'm Marcel Oelschläger, a Product Service Systems Designer and Senior UX/UI Designer who crafts holistic digital and physical experiences by aligning user needs with strategic business goals. I lead cross-disciplinary workshops with executives and engineers to translate complex risk, product, and service logic into a unified vision under market pressure. I also specialize in fast, evidence-based UX research, scalable design systems, and high-fidelity prototyping that bridge design, engineering, and product to deliver measurable results. My work spans enterprise software, IoT, and healthcare, with a track record of delivering scalable systems, improved user engagement, and stronger cross-functional collaboration. I enjoy turning complex technical concepts into intuitive experiences and guiding teams from discovery through execution to impact.

Available to hire

I’m Marcel Oelschläger, a Product Service Systems Designer and Senior UX/UI Designer who crafts holistic digital and physical experiences by aligning user needs with strategic business goals. I lead cross-disciplinary workshops with executives and engineers to translate complex risk, product, and service logic into a unified vision under market pressure. I also specialize in fast, evidence-based UX research, scalable design systems, and high-fidelity prototyping that bridge design, engineering, and product to deliver measurable results.

My work spans enterprise software, IoT, and healthcare, with a track record of delivering scalable systems, improved user engagement, and stronger cross-functional collaboration. I enjoy turning complex technical concepts into intuitive experiences and guiding teams from discovery through execution to impact.

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Language

German
Fluent
English
Advanced

Work Experience

Senior UX/UI Designer | Innovation Manager (Freelance) at Schleupen SE
October 1, 2025 - Present
Redesign of an SAS Risk Management Platform. Led C-level workshops to translate complex risk and business logic into a unified product vision under market pressure. Conducted rapid-cycle UX research to identify critical pain points driving attrition. Built a scalable, data-heavy design system from scratch and developed high-fidelity prototypes to bridge risk requirements with development timelines.
Senior UX/UI Designer (Freelance) at Busch & Jäger
November 1, 2025 - Present
Developing a Design System; defined core design principles and foundations; built a comprehensive, multi-layered design system in Figma with 100% component coverage and scalability. Architected a semantic design token system to bridge design and development, enabling automated theme updates and cross-platform styling. Created exhaustive documentation and governance for cross-functional teams.
Senior UX/UI Designer (Freelance) at Constellr
December 1, 2024 - March 1, 2025
Designing a new website; UX storytelling; produced custom assets; integrated high-end motion and video to dynamically explain sophisticated product features.
Senior UX/UI Designer at Bayer AG
January 1, 2022 - December 1, 2024
Development of future-oriented services and business models for AI and IoT-based solutions. Conducted trend research, user interviews, and workshops; drafted design guidelines, brand strategy and service blueprints. Designed the Bayer CropScience trade fair stand at Feldtage 2024; led IoT device product development; designed a developer platform and data management systems; contributed to onboarding flows and UX for developer tooling.
Senior UX/UI Designer (Freelance) at Pafinda GmbH
December 1, 2021 - May 1, 2022
Design of an Innovation Management and Change Management platform, including information architecture, UX/UI, branding, illustrations and overall visual design tasks.
Senior UX/UI Designer (Freelance) at RaiSono AG
July 1, 2020 - February 1, 2021
Finalized UX concept and UI design for MAN’s TopUsed platform; developed information architecture, identified user needs and opportunities, designed new web modules and UI components; documented workflows in Confluence; handed over to developers and supported UX testing via Jira; ensured seamless integration with the existing design system.
Lecturer – Application Design at IU International University
September 1, 2021 - April 1, 2023
Conducting lectures and teaching UX Research, UX Methods, UX Design, Accessibility and Figma; providing in-depth student support through consultations and tutoring on technical implementation.
Senior Experience Designer at Telekom AG
July 1, 2020 - July 1, 2021
Development of interactive UX concepts, UI design and spatial storytelling; created motion prototypes and coordinated implementation; aligned brand, innovation and communication goals; contributed to the Telekom Design Gallery Entrance Experience and industry exhibitions; designed an Innovation Management Tool.
Senior UX/UI Designer – ClearX Medical App (Freelance) at K-Line Europe
May 1, 2020 - July 1, 2020
Design of a digital health application to improve user engagement and adherence; led UX workshops, wireframing and interaction design; produced high-fidelity UI designs in Figma and coordinated development.
UX/UI Designer – Trade Partner Portal (Freelance) at Weinor GmbH & Co. KG
January 1, 2019 - January 1, 2020
Redesign of the digital platform for trade partners to enhance usability and business efficiency. Conducted user analysis, created UX flows and UI designs; implemented responsive layouts and accessibility improvements; supported integration with internal systems; redesigned the 3D Designer for iPad.
Strategic Design Consultant (Freelance) at Johnson & Johnson
June 1, 2018 - April 1, 2019
Research-driven medical device design focusing on user behavior and compliance; conducted in-clinic observations and interviews; designed interfaces and usage flows for professional tools; collaborated with industrial design and engineering teams to develop multiple visionary concepts.
Experience Designer at Telekom AG
February 1, 2017 - August 1, 2018
Development of interactive UX concepts, UI design and spatial storytelling; produced motion prototypes and coordinated implementation; ensured alignment with brand and innovation goals; contributed to retail and exhibition design.
Experience Designer (Freelance) at 235 Media GmbH
May 1, 2015 - August 1, 2017
Design of interactive exhibition concepts for museums; animated learning content; development of an interactive multi-touch table; contributed to Natura 2000 and other educational exhibits.
Industrial Designer (Freelance) at p2 GmbH
October 1, 2013 - August 1, 2017
Design of shop-in-shop systems and trade fair stands; development of product exhibitions and large-scale display concepts.
Carpenter (Intern) at Manufact gGmbH
April 1, 2011 - October 1, 2011
Product animation, packaging design, design research and technical drawings during internship.
Commercial Order Manager at Nokia Siemens Networks GmbH & CO KG
January 1, 2007 - December 1, 2007
Logistics management for international orders; export/import documentation; stakeholder coordination across production, freight forwarders and international clients; ensured seamless fulfillment of high-volume orders.
Industrial Clerk at Siemens AG
August 1, 2004 - February 1, 2007
Industrial clerk responsibilities including administrative and logistics support during early career.
Project Financial & Control at Nokia Siemens Networks GmbH & CO KG
January 1, 2008 - October 1, 2010
Financial governance for international projects; risk and liquidity management; performance reporting and variance analysis; operational control to optimize cash flow and profitability.

Education

Master of Arts in Strategic Innovation in Products and Services at University of Wuppertal
September 1, 2018 - April 1, 2020
Bachelor of Arts in Integrated Design at University of Applied Sciences Cologne
September 1, 2011 - November 1, 2015
Bachelor of Arts, Professional Business at Chamber of Commerce
April 1, 2009 - September 1, 2010
Industrial Clerk at Siemens AG
August 1, 2004 - February 1, 2007

Qualifications

German Design Award
January 1, 2020 - March 11, 2026
UX Design Award (nominated)
January 1, 2019 - March 11, 2026
ISPIM-Grand Prize 2nd
January 1, 2018 - March 11, 2026
Good Design Award
January 1, 2018 - March 11, 2026
German Innovation Award
January 1, 2018 - March 11, 2026
German Brand Award
January 1, 2018 - March 11, 2026
Kölner Design Preis (Mention)
January 1, 2015 - March 11, 2026

Industry Experience

Software & Internet, Media & Entertainment, Education, Healthcare, Manufacturing, Telecommunications