Experience

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  ljubomir.design

  • Freelance Product Designer

    • Apr 2022 - Present

    Designed five generative AI tools from the ground up, leading product UX from concept to delivery. Contributed to company growth from 0 to 100,000+ users through user-centered design and iterative refinement. Led core tools through extensive design iterations over two years, maintaining a Net Promoter Score of 70+. Conducted multi-method UX research (interviews, testing, surveys) to uncover user needs and pain points. Redesigned a core tool based on research insights, increasing user adoption 10x in just one month. Designed a cross-application navigation framework to unify the growing ecosystem of AI tools. Collaborated cross-functionally with PMs, designers, and developers to define and implement a scalable design system maintained in Figma and Storybook.

  • Product (UI/UX) Designer & Webflow Developer

    • Apr 2014 - Present

    As a product designer with over a decade of experience, I specialize in crafting intuitive, user-centered digital experiences for mobile (iOS and Android) and web platforms. I work end-to-end, from early-stage discovery and user research through to high-fidelity UI design and developer-ready handoff. My approach combines strategic thinking with hands-on execution, helping startups and growing teams define and ship thoughtful, scalable products. I'm often embedded directly with product and engine

• 

  Toptal

  • United States
  • Software Development
  • 700 & Above Employee

  • Senior UI/UX Designer

    • Mar 2020 - Present

    Selected into the top 3% of global freelance talent, based on rigorous multi-phase vetting process. Worked with a range of startups from pre-seed to Series B, designing conversion-oriented websites and intuitive product experiences across mobile and web. Trusted long-term contributor to one of the world's most selective remote freelancing platforms.

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  Provenance

  • Serbia
  • Wholesale Building Materials
  • 1 - 100 Employee

  • Web Designer & Webflow Developer

    • Jul 2022 - Jul 2025

    Designed and built a conversion-focused Webflow website, aligning with marketing strategy. Expanded the site as the product offering grew from a single AI tool to 7+ tools across multiple categories. Partnered with marketing team on iterative improvements, including A/B testing to optimize performance. Developed a CMS-powered blog, evolving content structure and increasing traffic through SEO. Co-led SEO strategy with Head of Marketing, increasing organic traffic by 1,554% in just 8 months. Maintained design consistency and performance as the site evolved, ensuring clarity and usability at scale.

  • Principal Product Designer, AI Tools

    • Jul 2022 - Jul 2025
    • Remote

    Designed five generative AI tools from the ground up, leading product UX from concept to deliver
    Contributed to company growth from 0 to 100,000+ users through user-centered design and iterative refinemen
    Led core tools through extensive design iterations over two years, maintaining a Net Promoter Score of 70
    Conducted multi-method UX research (interviews, testing, surveys) to uncover user needs and pain point
    Redesigned a core tool based on research insights, increasing user adoption 10×

• 

  Cambly Inc.

  • United States
  • E-Learning Providers
  • 700 & Above Employee

  • Web Designer & Webflow Developer

    • Jul 2021 - Oct 2021

    Redesigned a high-visibility landing page aimed at tutors for Cambly, a fast-growing Series B edtech startup, focusing on visual clarity and user engagement. Designed and implemented the new layout in Webflow, integrating brand-aligned micro-animations, custom icons, and illustrations to create a more dynamic user experience. Improved content structure and visual hierarchy to better support marketing objectives and conversion goals. Delivered a fully responsive page optimized for performance and

• 

  Candidate Labs

  • Web Designer & Webflow Developer

    • May 2020 - Nov 2021

    Collaborated with all three founders to define brand identity and website vision ahead of public launch. Designed a clean, responsive Webflow site that became the company's public face. Developed a CMS-driven team section, enabling easy in-house updates as the company scaled (50+ employees). Created a custom TechCrunch cover illustration to support PR efforts and reinforce brand visibility. Supported the company's rapid growth ($5M+ funding, 30% MoM revenue growth, #1 G2 ranking, and 50+ staff) by evolving the website architecture and content as needs changed.

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  Virtual Space NZ

  • UI/UX Designer - AR/VR/IoT-enabled Digital Twin App

    • Feb 2018 - Jun 2018

    Led UX/UI design across iOS, Android, and web for RealScape, a complex AR/VR/IoT-enabled digital twin platform used to visualize and interact with real-world entities in virtual space. Redesigned an existing native iOS app and translated the experience to Android, ensuring platform-native consistency while improving usability. Designed a web app, optimizing for speed and clarity across desktop and mobile browsers. Acted as the sole designer, managing everything from early UX planning and stakeholder input to final development handoff. Delivered over 500 production-ready screens across iOS, Android and Web.

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  Skillshare

  • Course Author

    • Sep 2018 - Apr 2018

    Invited by Skillshare to join as a teacher and publish original video courses on their platform. Created and taught 5 courses, reaching over 6,000 students across topics in digital product design. Awarded Skillshare's 'Teacher to Watch' distinction, given to the top 10% of instructors. Authored a course on ProtoPie, featured on ProtoPie's official website for its quality and depth. Managed end-to-end production curriculum development, scripting, recording, editing, and promotion.