Rok – Design system, Figma, Product design

A software consultancy that designs and builds products for startups and enterprises. As a consultant product designer, he works directly with clients. For a smart-grid metering platform used in 10+ countries, he has grown the design system to 276 components over 5+ years. He also rebuilt an enterprise marketing campaign platform from the ground up and designed features for a used medical equipment marketplace.

• Built and grew a 276-component design system for a smart-grid metering platform used in 10+ countries, including a custom chart library and dark mode.
• Redesigned the platform's dashboard and smart-meter pages with modular navigation and richer metrics; still working with this client after 5+ years.
• Audited ~1,000 screens of an enterprise marketing campaign platform used by a major German carmaker, rebuilt its navigation and structure, and designed 100+ new screens on a new design system.
• Ran final design QA through release, flagging every deviation from the design, from UX issues to colors and pixels.
• Concepted and designed new features for a hospital marketplace for used medical equipment, starting with a dashboard redesign.

A YC-backed AI platform for building AI workflows and agents. Its core node-based workflow builder had become bloated and visually overwhelming while the team shipped features daily. As the sole product designer, he simplified the builder and led a new chat-based workflow builder where users describe a workflow and AI builds it. He also created the identity and design system for a new AI personal assistant from scratch. He then started shipping production UI code with Claude Code, which cut turnaround on design updates from about a week to a day.

Cut turnaround on design updates from ~1 week to 1 day by rebuilding most of the assistant's live UI components in code and shipping features with Claude Code. Simplified the original workflow builder: removed unused features and replaced a heavy visual language with a cleaner one. Designed a chat-based AI workflow builder, so users can create workflows by describing them instead of assembling nodes by hand. Built the AI assistant's identity and design system from scratch, so a mid-project switch of colors and fonts took little effort. Owned design end to end across two products: research, feature definition, UX, UI and design system. Reviewed every feature before or after release to keep the product simple while the team shipped daily.

An AI-powered legal tech platform for immigration services. He built the design system and standardized design across the app. He also designed 8 major features, including invoicing, advanced reporting, third-party integrations and an overview dashboard. He worked with leadership on product strategy that contributed to rapid revenue growth and major client wins.

• Built the design system and standardized UI across the app, making new features faster to ship and the product more consistent.
• Designed 8 major features, including invoicing, advanced reporting, third-party integrations and an overview dashboard.
• Partnered with leadership to define and execute product strategy, contributing to rapid revenue growth and major client acquisition.

An AI platform where users build apps and websites by chatting with AI, created by a small European founding team and now one of the fastest-growing software startups. Developers had built the first version without a designer. As founding designer, he turned it into a polished product ready for mass adoption, created its first Figma UI and defined its visual language.

• Defined the product's visual language and designed its core visual elements and components.
• Created the product's first Figma UI, turning a developer-built MVP into a polished version ready for mass adoption.
• Advised the founders on early product development.

An AI model fine-tuning platform for developers, later acquired by a major AI cloud provider. He set up the company's first design foundations in Figma and improved the product's UX and visual language to make it easier to use and more trustworthy.

• Created the company's first Figma file and rebuilt the live app in it.
• Refined the visual language and fixed UX issues to make the product easier to use and more trustworthy.
• Designed marketing materials, merchandise and a conference booth.

A data validation and diffing tool for dbt projects that helps data teams review changes before they ship. He rebuilt the app in Figma with a full design system and ran product experiments with real users.

• Rebuilt the app in Figma and created its component library and design system.
• Ran product experiments end to end, from PRD and design to testing with real users.
• Identified UX and feature improvements across the schema, diff and checklist views.

A cybersecurity SaaS product. He built a design system of 100+ components from scratch and reworked the whole app for consistent UX and UI. He also redesigned the product and the pitch deck that helped the company raise funding.

• Built a design system of 100+ components from scratch.
• Redesigned the app and created a new pitch deck that helped the company raise funding.
• Reworked the whole app for consistent UX patterns and UI.
• Designed new features, including search, notifications, a to-do system and access and permission management.
• Structured Figma files so they can scale to future products.

A global restaurant-tech and ghost-kitchen company. As founding designer of its delivery team, he designed the courier app and took it from pilots on two continents to a US launch. Over that time the team grew from 5 people into a core offering with 25+ people across 4 continents. He also worked on a unified restaurant and delivery management tool, delivery analytics dashboards and the company's design system.

• Helped grow the delivery team from 5 to 25+ people across 4 continents as its founding designer.
• Designed the courier app and took it from pilots on two continents to US launch.
• Core team member on a unified tool for restaurant and delivery management.
• Shipped features across the restaurant management, order tracking and analytics apps, including new delivery analytics dashboards.
• Identified new touchpoints in in-kitchen TV delivery feeds.
• Contributed components to the company's design system, working across design and engineering.

Infusion clinic management software for healthcare providers. He led a small design team and shipped core clinical workflows that made patient onboarding and resource management simpler.

• Led 2 UI designers and 1 UX researcher and introduced a design process for shipping new features.
• Designed and shipped core clinical workflows: patient scheduling, intake forms, and supply and consumption tracking.
• Streamlined patient onboarding and resource management, improving clinic scheduling and reducing supply waste.

A London digital product agency building apps across sectors, mostly in healthcare. As advisor and UI designer, he designed healthcare products, including a diabetes tracking app and an AR training dashboard for doctors.

• Designed a diabetes app that measures and tracks daily condition data through a proprietary smartphone case with a built-in sensor.
• Designed a dashboard with an augmented reality interface for virtual training of doctors.

A platform where wellness creators, such as yoga teachers and studio owners, build and sell online courses, memberships, communities and coaching, and run live classes. Teachers' business pages were hard for clients to find. He ran a study and learned that most teachers reached clients through Instagram, so he designed a link-in-bio page instead. More than 70% of studios adopted it and reported far fewer student DMs. He also designed the iOS app, laid the foundations of the design system and redesigned communities as closed groups.

• Ran the study behind a link-in-bio product that more than 70% of studios adopted, which cut student DMs to teachers.
• Designed the iOS app as a mobile-first version of the web platform, making its many features easy to move between.
• Redesigned communities as closed groups with more control for teachers.
• Concepted and designed new features from idea to final screens.
• Laid the foundations of the design system and mapped user flows to catch edge cases and dead ends early.

A digital signage platform where companies create targeted ad campaigns on TV screens. As Head of Design, he led a team of 3 and owned the web dashboard and mobile app for booking, locations and ad content.

• Led a team of 3 designers while contributing hands-on.
• Owned the web dashboard and mobile app for booking screens and managing locations and ad content.

A digital product studio building products for corporate and private clients. He worked on 20+ products from 0 to 1 and grew into the Head of UX/UI role, with work ranging from banking dashboards to automated robot configurators.

• Worked on 20+ products from 0 to 1 for corporate and private clients.
• Designed dashboards for a national bank and other financial clients, as well as automated robot configurators.
• Led UX and UI work across projects.