Hire the Best UI Designers
in Croatia

Hey there! If you're on the lookout for a UX/UI designer, here's why you should totally consider working with me. I've got the experience – seriously, I've been in the game for a while, and I know my stuff when it comes to creating designs that users love. Check out my portfolio; it's not just about making things look good, but about making them work seamlessly too. I'm all about staying on top of the latest trends and tech, so your project will always be fresh and cutting-edge. Plus, I'm not just a solo act – I love collaborating and keeping the communication lines open. Your vision is my priority, and I'm here to not just meet but exceed your expectations. Let's make something awesome together!

🚀 𝗔𝗩𝗔𝗜𝗟𝗔𝗕𝗟𝗘 𝗧𝗢𝗗𝗔𝗬 | ✔ Quick start ✔ Flexible schedule ✔ I'll reply with a plan for your product 🥇 Top Rated | 100% Job Success 🥇 9+ years, 100+ SaaS products designed from 0 to 1 🥇 EdTech, FinTech, marketplaces, booking systems, universities 🏆 Trusted by: Luxembourg School of Business (accredited MBA, Luxembourg), Cogent (EU platform for accredited universities), GIGY (Product of the Year) Hi, I'm Vadim. Behind every successful product stands a designer who thinks like a founder. I build high-load SaaS and AI products, web and mobile apps from zero to launch in Figma and Framer, where every decision drives retention, conversion, and growth. 9+ years in product design. A fit for both early-stage startups and established businesses. 🇭🇷 Based in Zagreb (CET), convenient for teams across Europe and the US. I lead every project personally. ✔ Strategic UX As a product UI/UX designer, I create UX strategies that boost usability and engagement. I run deep UX research, design user flows and interactive prototypes, analyze sales funnels, and find where you lose users. My approach has driven conversion increases of up to 55% for previous clients. I specialize in UI/UX that makes complex systems simple. ✔ Web & Mobile App Design I design mobile apps (iOS/Android), web and SaaS interfaces following platform guidelines (iOS Human Interface Guidelines, Material Design). I ensure a seamless UI across all platforms and responsive design for any device. Whether it's a mobile app or a complex web product, I deliver pixel-perfect results as your lead product designer. ✔ Figma & Framer As a Figma designer, I deliver hi-fi wireframes, interactive prototypes, and scalable design systems that speed up development and reduce costly revisions. As a Framer expert, I build and publish ready-to-launch websites on the Framer no-code builder, from design to live launch, with no developer needed. ✔ AI & Rapid Prototyping I build interactive prototypes and working MVPs using Claude and no-code / vibe-code solutions, so you can test your product and launch fast, with no developers. I generate photo and video content for your brand right inside the project, delivering a launch-ready product with design and content in one place. ✔ SaaS & Product Expertise Whether you need a UI/UX designer for complex dashboards, a SaaS platform, a booking system, a marketplace, or an AI product, I focus on interfaces that drive revenue. I design admin panels, analytics, and data-heavy products across EdTech, FinTech, and HealthTech. I understand how every design decision impacts business metrics. ✔ Technical Synergy & Handoff I understand the bridge between design and code. I deliver dev-ready files and assets for Figma to React, Figma to Webflow, Figma to Framer, and Figma to HTML/CSS. This ensures your product is built exactly as planned, with nothing lost in the handoff to developers. ✔ Results in numbers 𝗚𝗜𝗚𝗬 — SaaS booking system (Telegram), from 0 to 1: 5,000+ active users, 67% repeat payment conversion Actions to create a booking reduced by 68% 78% of masters bring their first client on day one 𝗟𝗼𝗼𝗺𝗶𝗻𝗼𝘁𝗲 𝗔𝗜 — iOS voice notes app, full redesign (8 weeks): Paid subscription conversion grew from 18% to 57% Onboarding completion grew from 8% to 52% Paywall conversion grew from 2% to 17% ✔By the numbers ▪ 9+ years in product UI/UX design ▪ 400+ products across SaaS, FinTech, HealthTech, mobile ▪ Products from 0 to 1 and redesigns of live products ▪ On average, I lift key conversion by 2–3x ▪ Stack: Figma, Framer, AI / no-code, design systems You've found a designer who dives into your business as a partner, not someone who takes the task and disappears. I think in numbers and results: conversion, retention, LTV, activation. I double-check every decision against data, so the design drives growth, not just looks good. I work transparently and stay fully involved. If you're not satisfied with the quality of work, I'll refund the payment through Upwork. 𝗟𝗲𝘁'𝘀 𝗱𝗶𝘀𝗰𝘂𝘀𝘀 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝗿𝗶𝗴𝗵𝘁 𝗻𝗼𝘄, 𝗜'𝗺 𝗼𝗻𝗹𝗶𝗻𝗲! Send me a link to your product or a short brief, and I'll reply with a clear plan: where you're losing users and how to fix it. Keywords: Product Designer, UI/UX Designer, SaaS Designer, SaaS Product Designer, Web App Design, Mobile App Design, Figma Designer, Framer Designer, AI Product Design, Dashboard Design, UX Research, Design System, Landing Page Design, MVP Design

I help products turn complex ideas into clear, engaging interfaces using Figma, UX strategy, and gamification principles — so users stay longer, convert better, and come back. 10+ years of experience developing wireframes, prototypes of different app and game genres such as kids educational, casual and casino games, business,etc. acknowledged by players as rich and memorable experiences, creating entire world settings, casts of characters, backgrounds and deep story architecture. Tools: Figma, Sketch & Adobe Illustrator Service Description Game Design - Drafting Game Design Documents/Wireframes - Design Game Specifics UI & UX - Creating 2D game assets, environments, characters and UI - Character development & backstory - Setting design (environmental storytelling) - Animations In addition to all above mentioned you will get my knowledge, guidance and advices for App Store and Google Play game publishing and eye catching promo screenshots.

With over 15 years of experience, I can help you create a brand that elevates your business to the next level. I specialize as a product designer, particularly in complex B2B & B2C SaaS platforms, AI-tech web applications, ERP, CRM software and innovative mobile apps for startups. I can also assist in designing pitch decks and all supporting documents (brand guides, whitepapers, RFPs, etc.) to help you present more effectively to investors. For established clients, I provide ongoing design support for a wide range of marketing materials, from digital campaigns to new product interfaces. Many clients have problem with handoff. They have Figma design and developer build something that look completely different. I can help you with the design and integration with Vue 3, React, Webflow or Wordpress, with Claude Code and Figma MCP connection. 15 years of Web & Mobile UI UX Designer SaaS experience; Designed 70+ B2B & B2C SaaS Platforms, ERP, CRM, AI-tech Web Apps (from 0 to 1); Helped launch 17 early stage startups from 0 to 1; $30M+ raised with Pre-Seed, Seed, Series A-С, VC-backed startups; 100+ complete web & mobile designs done; Fluent English / Independent Designer; 100+ comprehensive reviews & testimonials from CEOs and Founders; Figma expert. Check out the "Testimonials" section below to see what CEOs and Founders of fast-growing startups & high-caliber companies I have worked with say about my work AREAS OF EXPERTISE: SaaS Platform UI UX Design; ERP / CRM / Desktop Software; B2B & B2C Web Applications; AI-powered Tech Platforms; Dashboard Design; Data-heavy Analytics Software; AutoCAD / 3D-enabled Software; Mobile Apps; Websites; Landing Pages; Branding / Logo / Brand Assets; Pitch-Decks Marketplace UX (B2B, B2C, ShareTribe integration) Brand identity + custom marketing website Investor pitch decks with narrative structure, not just slides SaaS dashboards and data-heavy application design Figma design system → MCP export → frontend handoff Website Development AI chatbot integration Create investor-ready pitch decks that meet high data visual standards Elevate presentations to match expectations of investors and stakeholders Design presentations that look professional, credible, and high-impact Transform complex content and raw materials into polished, easy to read and scan investor-ready decks ============= You'll get intuitive, user-centered SaaS designs that improve usability and conversion. Your complex workflows will be transformed into simple, intuitive user experiences. You'll receive scalable Figma files with reusable components, Auto Layout, and design systems. Your product will be designed with modern UX/UI best practices and developer-ready specifications. Your team will benefit from over 8 years of experience designing B2B SaaS and enterprise applications. Your product can increase user engagement through research-driven, conversion-focused design. You'll have a design partner who can support branding, product design, websites, and front-end implementation. Your design system will be easy to maintain, scale, and extend as your product grows. PDP | PLP | seller dashboard | buyer dashboard | discovery feed | cart and checkout | order management | ratings and reviews | messaging | onboarding flow | search and filters | wishlis | Shopify Polaris | embedded app | app blocks | metafields | collection page | variant picker | checkout extensions | design tokens | component library | dev handoff | Webflow Developer | Webflow Expert | Webflow Certified Developer | Webflow Development | Webflow Designer | Web Development | Website Development | Website Designer | Figma to Webflow | HTML to Webflow | PSD to Webflow | XD to Webflow | Framer Developer | Framer Designer | Framer Website | Landing Page Design | SaaS Website | Startup Website | CMS Development | Finsweet Client-First | Responsive Design | SEO Optimization | Technical SEO | Website Migration | Website Redesign | Website Optimization | UI Development | Front-End Development | Custom Webflow Development | Webflow CMS | Animations | Interactions | Conversion-Focused Websites

As a Senior UI UX Designer, I work at the intersection of product strategy, UX research, interaction design, and visual design. Every Web Design project and Mobile App Design engagement starts with understanding business goals, user behavior, and product vision before creating solutions that drive measurable results. I don't simply create interfaces, rather, I take ownership of the entire product lifecycle. From product discovery and UX strategy to wireframes, prototypes, high-fidelity UI, design systems, usability testing, and developer handoff, I help teams launch successful products. Whether it's a SaaS platform, a responsive Web Design project, or a complex Mobile App Design, my focus is always on building products that scale. My experience as a Senior UI UX Designer includes designing: • Enterprise SaaS platforms • Modern Web Design solutions • iOS & Android Mobile App Design • FinTech and banking products • Healthcare applications • AI-powered platforms • Marketplaces and eCommerce products • Dashboards and management systems I actively leverage AI throughout my design process to accelerate UX research, ideation, competitor analysis, wireframing, prototyping, and validation. AI helps me iterate faster, but successful Web Design, Mobile App Design, and SaaS products still require thoughtful product strategy and human-centered design. Industries where I deliver exceptional results 💰 Financial & Banking Services 📊 SaaS Platforms 🪷 Wellness, Fitness & Mindfulness 🖥️ Corporate Web Design 🏠 Real Estate Platforms 🏥 Healthcare & MedTech 📚 E-commerce 🚚 Logistics & Transportation 🚸 Education & EdTech ❤️ Social & Community Apps 🍾 Premium & Luxury Digital Products Over the course of my career as a Senior UI UX Designer, my work has reached 60M+ users across 30+ countries, helping companies validate ideas, launch MVPs, redesign existing products, improve conversion rates, and scale internationally. My expertise includes: ✔ Senior UI UX Designer ✔ UI UX Design ✔ UX Research ✔ Web Design ✔ Responsive Web Design ✔ Landing Pages & Websites ✔ Mobile App Design (iOS & Android) ✔ Product Design ✔ SaaS Product Design ✔ Enterprise SaaS Platforms ✔ Design Systems ✔ Figma Expert ✔ Wireframing & Prototyping ✔ User Flows & Information Architecture ✔ Usability Testing ✔ Developer Handoff If you're looking for a Senior UI UX Designer who combines strategic thinking with world-class Web Design, intuitive Mobile App Design, and extensive experience building scalable SaaS products, I'd be happy to help bring your product vision to life. Mateja Bartolovic

I’m a UI/UX designer with 10+ years of experience in UX/UI, SaaS and Mobile App design. I design products that are easy to use, hard to leave, and built to scale. My focus is on the kind of product design that moves metrics: dashboards that reduce cognitive load, SaaS flows that drive activation and retention, and design systems that make engineering teams faster. ━━━━━━━━━━━━━━━━━━━━━━ 🎯 WHAT I DO AS A UI/UX DESIGNER I work across the full product lifecycle as both a UX strategist and UI designer - from early discovery through to production-ready specs and developer handoff: ▪ UX strategy, discovery & problem framing ▪ Information architecture & user flows ▪ Wireframing, interaction design & prototyping ▪ High-fidelity UI design for web, mobile app design (iOS & Android), and cross-platform products ▪ Component-based design systems built for scalability ▪ API-aware UX decisions - designing with technical constraints in mind ▪ AI-assisted UX workflow - concept generation, variation testing, research synthesis ━━━━━━━━━━━━━━━━━━━━━━ 💰 INDUSTRIES WHERE MY UI UX DESIGN DELIVERS RESULTS As a UX/UI Designer with deep SaaS expertise, my strongest work is in high-complexity environments: 🏦 Financial Services & Banking - trading dashboards, lending platforms, regulatory-compliant flows 📊 SaaS Platforms - onboarding, activation funnels, multi-tenant architectures 🏥 Healthcare & MedTech - patient apps, clinical dashboards, HIPAA-aligned UX 🚚 Logistics & Transportation - ops dashboards, dispatch and tracking interfaces 🧰 Management & Internal Tools - CRM, admin panels, back-office systems I've also delivered mobile app design across Wellbeing, Real Estate, eCommerce, and EdTech verticals. ━━━━━━━━━━━━━━━━━━━━━━ 🏆 BY THE NUMBERS ▪ $200,000+ earned on Upwork - Top Rated Plus 🏅 ▪ 4,000+ hours billed across long-term product partnerships ▪ 10+ years of UI UX design and product design experience ▪ 60M+ users reached across products I've contributed to ▪ Multiple startups taken from early ideation to profitable MVP - across SaaS, FinTech, and mobile app design projects ━━━━━━━━━━━━━━━━━━━━━━ 💬 WORKING WITH ME I work best with product teams who need a UI/UX designer to own the experience end-to-end, whether that's a SaaS platform, a mobile app design, or a complex dashboard. Not just deliver screens. 👉 Send a message and I'll get back to you asap.