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Stephen JudeProduct Designer
Profile

+5 yrs Product Designer with design system & development expertise, leveraging AI agents to build scalable products. Skilled in Framer and Webflow, I design and develop intuitive, high-performance digital experiences. I’m looking for the next team where I can bring these skills to drive innovation and impact.

Professional Experience

Product Designer

ProtonLab
  • Designed and launched three high-impact AI products—AskYourPDF, Detect AI, and CoWriter—used by over 5 million users, contributing to $1M+ in revenue and 300%+ user growth.
  • 2023 – 2024Birmingham, England
  • Collaborated directly with machine learning engineers to translate complex models into accessible, trustworthy interfaces, including real-time citation tools and multi-document chat systems.
  • Led user research and usability testing for feature validation, guiding iterative improvements in onboarding, content interaction, and AI result explainability.
  • Built and maintained a scalable design system using Tailwind CSS and Radix UI, which reduced design-to-dev handoff time and improved product consistency across apps and the marketing site.
  • Worked cross-functionally with product, engineering, marketing, and CRO teams to balance user needs with business goals—contributing directly to conversion and retention wins.
  • Used Figma, Jitter, and Rotato to prototype, communicate design intent, and ship high-fidelity, responsive UI components.
  • Mentored junior designers and presented design strategies to stakeholders
  • UI/UX Designer

    Genius on Demand

    Genius on Demand Agency, Berlin, Germany (Remote) UI/UX Designer

    2021 – 2022Berlin, Germany

    My first step into the design world, and what a ride it was! Working remotely with this Berlin-based agency, I:

  • Got hands-on with UI/UX basics, learning the ropes on real projects
  • Helped design for fresh startups, tackling diverse challenges daily
  • Dipped my toes into user research, realizing good design goes beyond aesthetics
  • Collaborated with senior designers, soaking up their expertise
  • Gained confidence in presenting ideas to clients
  • This role laid the foundation for my design career, teaching me to adapt quickly and think on my feet. It showed me the ropes of remote work and gave me a taste of the fast-paced startup world.

    Projects

    Detect AI

    AI

    Led the design of Detect.ai at ProtonLab, creating an intuitive platform that detects AI-generated content

    2024

  • Achieved an 80% accuracy rate in AI content humanization
  • Reduced content verification time by 65%
  • Launched MVP within 8 weeks through efficient design system implementation
  • Increased user engagement by 40% through intuitive UI redesign
  • Optimized conversion rate from 2% to 5% through A/B testing
  • Created reusable design system using shadcn reducing development time by 50%
  • Maintained 90% user satisfaction rate post-launch
  • Challenge:

    Redesigning an AI-powered PDF chat platform to handle complex document interactions while keeping it user-friendly.

    Outcome:

    Crafted a sleek design system using Tailwind CSS and Radix UI, which streamlined development. Introduced a game-changing multi-document chat feature. These improvements helped skyrocket the user base to 5 million+ and brought in $1 million+ in revenue. Worked closely with marketing and CRO teams to optimize the product, balancing user needs with business goals.

    Clouddley

    Cloud Computing

    2024

    Challenge:

    Revamping a cloud computing platform to stand out in a crowded market and simplify app deployment for users.

    Outcome:

    Led a complete redesign, focusing on improving user experience and functionality. Conducted thorough user testing and competitive analysis to inform design decisions. Created a new design system that improved development efficiency. The redesign significantly enhanced the platform's usability, making app and database deployment more accessible to users of all skill levels.

    Challenge:

    Creating an AI writing tool for academics to handle complex tasks like citation management and plagiarism detection.

    Outcome:

    Designed an intuitive interface that simplified the writing process for researchers.

    Implemented a comprehensive design system tailored to Tailwind CSS, ensuring consistency across the platform.

    The result? The user base has grown to 100k+ since launch, with users praising the tool's ease of use and powerful features.

    Capital City Development

    Real Estate

    2024

    Challenge:

    Creating a comprehensive real estate platform handling complex transactions, multiple sellers, and flexible investments across mobile and web.

    Outcome:

    Delivered a user-friendly app and website streamlining property deals, material orders, and investments. Integrated a multi-seller marketplace and secure wallet system, boosting user engagement and sales while maintaining a seamless experience across devices.

    Key Deliverables:

  • Mobile app for clients & Realtors
  • Web Admin
  • Challenge:

    Designing a comprehensive streaming platform across Web, Mobile, TV, and Admin interfaces while ensuring a consistent experience.

    Outcome:

    Created unified design system scaling across platforms, custom-tailored for each interface type. Implemented intuitive content discovery and seamless playback features. The platform has grown to 10k+ active users. Led collaborative design process with another designer to ensure a cohesive experience across all touchpoints.

    Key Deliverables:

  • Web app with responsive viewing experience
  • Mobile app optimized for on-the-go streaming
  • TV app designed for lean-back experience
  • Admin dashboard for content management
  • Unified design system across platforms
  • Skills
    UI/UX Design
    AI-Driven Product design
    Web3 design
    Figma
    Adobe Creative Suite
    JavaScript (basic knowledge)
    User Testing
    Design Systems Engineer
    Prototyping
    Protopie
    Information Architecture
    HTML/CSS (basic knowledge)
    Figma Plugin Development
    Courses
    Education

    Bachelor in Technology

    University Of Portharcourt

    Studied Petrochemical Technology

    2015 – 2020Portharcourt
    Languages
    English

    Native/Bilingual

    Contributions

    Randator - Random Data generator

    A comprehensive random data generator that populates designs with realistic, diverse placeholder content.

    2024

    Features include:

    • Generation of names, phone numbers, emails, and usernames from various cultures and regions

    • Custom number generation with flexible formatting options

    • Seamless integration with Figma workflow, significantly reducing time spent on creating realistic prototypes

    Find & Replace Words

    An efficient tool for bulk text editing within Figma designs.

    2024

    Key functionalities include:

    • Ability to find and replace words or phrases across multiple text layers

    • Option to limit searches to specific frames or sections

    • Streamlines the process of updating terminology or correcting text across large design files