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→ Portfolio at formfast.design Award-winning Senior Product Designer with 10+ years of experience delivering digital products across automotive, fintech, consumer tech, and beyond. Skilled in interaction design, design systems, AI-driven workflows, usability testing, and user research, with a technical edge that bridges design and code and a track record of leading cross-functional teams from early concept through to launch. Proven impact includes driving 80% adoption of Lynk & Co's Car Sharing app (Red Dot Award 2023), contributing to a 24% YoY sales lift for Lotus Cars, and designing consumer apps such as Rummified (10K+ players, praised by iCulture). Known for combining research-driven design, visual craft, and hands-on leadership to deliver products that scale. Independently designed, built, and shipped apps, leveraging agentic coding and AI-driven development workflows to take products from concept to refined, production-ready apps live on both the App Store and Google Play.…→ Portfolio at formfast.design Award-winning Senior Product Designer with 10+ years of experience delivering digital products across automotive, fintech, consumer tech, and beyond. Skilled in interaction design, design systems, AI-driven workflows, usability testing, and user research, with a technical edge that bridges design and code and a track record of leading cross-functional teams from early concept through to launch. Proven impact includes driving 80% adoption of Lynk & Co's Car Sharing app (Red Dot Award 2023), contributing to a 24% YoY sales lift for Lotus Cars, and designing consumer apps such as Rummified (10K+ players, praised by iCulture). Known for combining research-driven design, visual craft, and hands-on leadership to deliver products that scale. Independently designed, built, and shipped apps, leveraging agentic coding and AI-driven development workflows to take products from concept to refined, production-ready apps live on both the App Store and Google Play.

Joren Sebastiaan Engbers

Product Designer, UX Designer, UI Designer, +3

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→ Portfolio at formfast.design Award-winning Senior Product Designer with 10+ years of experience delivering digital products across automotive, fintech, consumer tech, and beyond. Skilled in interaction design, design systems, AI-driven workflows, usability testing, and user research, with a technical edge that bridges design and code and a track record of leading cross-functional teams from early concept through to launch. Proven impact includes driving 80% adoption of Lynk & Co's Car Sharing app (Red Dot Award 2023), contributing to a 24% YoY sales lift for Lotus Cars, and designing consumer apps such as Rummified (10K+ players, praised by iCulture). Known for combining research-driven design, visual craft, and hands-on leadership to deliver products that scale. Independently designed, built, and shipped apps, leveraging agentic coding and AI-driven development workflows to take products from concept to refined, production-ready apps live on both the App Store and Google Play.…→ Portfolio at formfast.design Award-winning Senior Product Designer with 10+ years of experience delivering digital products across automotive, fintech, consumer tech, and beyond. Skilled in interaction design, design systems, AI-driven workflows, usability testing, and user research, with a technical edge that bridges design and code and a track record of leading cross-functional teams from early concept through to launch. Proven impact includes driving 80% adoption of Lynk & Co's Car Sharing app (Red Dot Award 2023), contributing to a 24% YoY sales lift for Lotus Cars, and designing consumer apps such as Rummified (10K+ players, praised by iCulture). Known for combining research-driven design, visual craft, and hands-on leadership to deliver products that scale. Independently designed, built, and shipped apps, leveraging agentic coding and AI-driven development workflows to take products from concept to refined, production-ready apps live on both the App Store and Google Play.

Next availability:

July 5, 2026

Amsterdam, Netherlands

→ Portfolio at formfast.design

Award-winning Senior Product Designer with 10+ years of experience delivering digital products across automotive, fintech, consumer tech, and beyond. Skilled in interaction design, design systems, AI-driven workflows, usability testing, and user research, with a technical edge that bridges design and code and a track record of leading cross-functional teams from early concept through to launch.

Proven impact includes driving 80% adoption of Lynk & Co’s Car Sharing app (Red Dot Award 2023), contributing to a 24% YoY sales lift for Lotus Cars, and designing consumer apps such as Rummified (10K+ players, praised by iCulture). Known for combining research-driven design, visual craft, and hands-on leadership to deliver products that scale.

Independently designed, built, and shipped apps, leveraging agentic coding and AI-driven development workflows to take products from concept to refined, production-ready apps live on both the App Store and Google Play.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

English

Fluent

Dutch

Advanced

Work Experience

Freelance Product Designer & Builder at formfast

March 1, 2025 - Present

Designed and shipped Dreamlab, a production-ready AI-powered dream journaling app for iOS and Android, leveraging agentic coding and AI-driven development workflows to independently take the product from concept through to a refined, secure app live on the App Store and Google Play. Designed and built Calmi, a research-backed stress relief device for young adults that demonstrated measurable mood improvement and lower heart rates in user testing, owning the full process from research and industrial design through hardware, firmware, and companion app.

Senior Product Designer (UX/UI) at Hypersolid

October 1, 2023 - May 1, 2026

Modernized DEGIRO's trading platform by defining a new art direction, design system, and launching features including crypto, securities lending, and sound design, improving user satisfaction by 30%, feature adoption by 42%, and customer retention by 22% within six months. Led weekly alignment sessions with PMs, engineers, and stakeholders, and conducted a WCAG AA accessibility audit to improve task completion for users with impairments. Delivered end-to-end strategy, UX, high-fidelity design, and a design system for the redesigned Grubhub for Business platform. Created and executed campaigns for Lotus Cars, contributing to a 24% YoY sales increase in 2024.

Product Designer (UX/UI) at Lynk & Co

April 1, 2021 - October 1, 2023

Designed the award-winning Connectivity & Car Sharing app, achieving 80% member adoption by leading end-to-end UX/UI design and user testing. Hired and managed a junior designer on a digital identity refresh, collaborating with the brand team to unify visual language across product and marketing touchpoints. Established scalable design systems to improve design-to-development consistency and reduce support requests. Won the Red Dot Design Award (2023). Led the community platform to reduce customer support volume by 18% through peer-to-peer knowledge sharing and engagement features.

Product Designer (UX/UI) at Appnormal (Second SQnt)

February 1, 2019 - March 1, 2021

Led UX and UI for the Care4 health app, launching on iOS with 2K+ downloads, 4.6 App Store rating, and improved patient–clinician communication. Designed the Anymal animal management app, contributing to 10K+ downloads and a 4.4 App Store rating by streamlining livestock registration flows and farmer-friendly dashboards.

Designer (Internship) at Monks

September 1, 2017 - February 1, 2018

Designed a new internal stock tracking platform for Adidas, created a comprehensive style guide with 40+ reusable components ensuring brand consistency and scalable design. Contributed to design work for Google, Adidas, Heineken, Tommy Hilfiger, Shell, and Squarespace, ensuring brand consistency across mobile and digital platforms.

Product Designer (UX/UI) at Appnormal (First SQnt)

July 1, 2014 - September 1, 2017

Created the Rummiﬁed mobile game, recognized by iCulture as the leading Dutch online Rummikub game, attracting 10K+ players with clear design and smooth gameplay. Designed the LiveOP crisis and incident management app and marketing materials, helping build a platform adopted by most Dutch safety regions and enabling faster emergency responses.

Designer (Internship) at Appnormal (Internship)

February 1, 2014 - July 1, 2014

Contributed design work for mobile apps for Philips, LG, and Heineken, ensuring mobile-friendly, consistent interactions across iOS and Android platforms.