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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Skills

Experience Level

Language

German
Fluent
English
Advanced

Work Experience

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 | 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 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.
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 (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.
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.
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.
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.

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

Skills

Experience Level