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Jeremie Berduck

@jeremieberduck

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I am a Product Designer and indie iOS developer specialized in Swift.

Netherlands

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What I'm looking for

I seek senior roles building native iOS apps and design systems where I can lead cross-functional teams, apply Swift/SwiftUI expertise, drive product growth, and use user research and iterative design to deliver measurable outcomes.

I am a Product Designer and indie iOS developer with 10+ years building consumer and enterprise applications and an expert in Swift and SwiftUI. I focus on delivering intuitive user experiences across the Apple ecosystem and lead design and engineering collaboration to ship impactful products.

I design, develop, and maintain multiple native iOS applications end-to-end, handling UX, development, ASO, monetization, and continuous user feedback loops. Published apps include Kōtei, Shoobie³, Yorikiri, Demeter², Densha Otaku, and Akari.

I have led design teams and built scalable design systems at companies such as Shell and BMW Mobility Services, mentoring designers, integrating Storybook and React-driven systems, and driving measurable outcomes like a 10% conversion uplift from targeted user research.

Experience

Work history, roles, and key accomplishments

Current

Independent Developer

Current

Independent Developer

Jan 2019 - Present (6 years 7 months)

Design and develop multiple niche iOS applications, managing end-to-end product lifecycle and continuous user feedback. Published six apps and handled marketing, monetization, and ASO to sustain growth and customer satisfaction.

Swift SwiftUI RealityKit iOS Development UX Design

Lead Product Designer

Shell Global

Jan 2023 - Jan 2024 (1 year)

Partnered with stakeholders to translate complex internal needs into a user-friendly React SaaS and co-developed a comprehensive internal design system to unify UI across modules. Implemented agile design practices to enable rapid iteration and global collaboration.

Design Systems React Figma Storybook Agile Cross Functional Collaboration UX Research

Lead Product Designer

Shell Energy

Jan 2021 - Jan 2023 (2 years)

Led creation of a scalable design system for a B2C React product, improving consistency and maintainability across markets and aligning design objectives with company OKRs. Managed and mentored a team of 3 designers and integrated Storybook into the workflow for seamless design-developer handoff.

Design Systems React Storybook Figma Product Strategy Team Leadership UX Research Agile

Lead Product Designer

BMW Mobility Services

Jan 2017 - Jan 2021 (4 years)

Evolved and scaled a unified design system supporting three products across five countries and initiated iOS prototypes to validate new ideas. Conducted user research across France, Netherlands, and Germany that contributed to a 10% increase in conversion rates.

Design Systems Swift User Research Figma Product Design Cross Functional Collaboration

Senior UX Designer

User Intelligence

Jan 2016 - Jan 2017 (1 year)

Consulted for global brands including Adidas, Decathlon, and Elsevier, delivering UX design and research across diverse projects. Adapted design processes to client cultures to ensure solutions aligned with business goals.

UX Research Interaction Design User Testing Figma Stakeholder Management Consulting Prototyping Usability Testing

Co-founder & Lead Product Designer

One More Thing Studio

Jan 2012 - Jan 2016 (4 years)

Co-founded and scaled a mobile app studio delivering iOS and Android products, leading rapid prototyping and client engagements. Drove product delivery that positioned the company for acquisition.

iOS Development UIKit Prototyping Client Engagement Team Leadership Product Strategy Android

Front-end Developer & Web Designer

Freelance

Jan 2006 - Jan 2012 (6 years)

Delivered front-end development and web design for clients including Louis Vuitton and Accor Hotels, leading an email system redesign that significantly reduced release cycles. Created global campaigns and front-end assets to enhance brand engagement.