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Senior UX/UI and Product Designer with 10+ years of experience designing websites, web applications, and digital products in Figma. I help teams improve user experiences — from marketing websites and landing pages to complex applications, dashboards, and content-rich systems. Whether you need polished UI mockups, UX improvements, wireframes, prototypes, or an expert review of an existing product, I bring senior-level thinking with hands-on execution. I’m especially good at quickly identifying usability issues, simplifying complexity, and turning ideas into intuitive, polished experiences that are practical to implement. I can help with: • Website and landing page design • UX/UI design for web and mobile applications • Figma mockups, wireframes, and interactive prototypes • UX reviews and product analysis • Improving workflows and usability • Design feedback and expert consultation • Content-heavy and CMS-driven experiences • Design systems and UI consistency How I work: • Senior-level strategic thinking + hands-on execution • Fast ramp-up and clear communication • Comfortable collaborating with product, marketing, and engineering teams • Strong understanding of HTML/CSS for smoother developer handoff Tools: Figma, AI-assisted design workflows, prototyping, UX research, wireframing Portfolio: kaihecker.de

I'm a Usability and User Experience Expert. I am a Top Rated freelancer that has earned Upwork's Skill Certification in User Experience Design. My specialties include: - Usability Analysis - I can show you where your visitors are most likely to have trouble on your site, mobile site, app or SAAS - User Research - Talking to users of your product or service is the best way to get the right feedback. I can show you how or do it for you - Prototyping - Before you invest in a new site or app create a prototype and use that to get feedback BEFORE you build it. Save time and headaches (for you and your customers) - Wireframing - Wireframes are the blueprints for your site or app. I can create these for you to turn over to your developer For the past 25 years, I have been involved in many functions designed to create the best sites, mobile sites, and applications possible. I've been a writer, creative director, editor, information architect/user experience architect, and director of usability testing. I've worked for big advertising agencies on large accounts (Ford, General Motors, Dodge, Virgin Airlines, Scott's Lawn Care, Aldi, Bosch) and by myself for small clients. My passion is usability testing and UX/CRO Reviews/audits. Using several online and in-person tools, I can help you make your sites and applications perform better, look better and win you more business.

Top Rated Plus UX/UI Designer helping SaaS, healthcare, and startup companies increase conversions through UX design and Conversion Rate Optimization (CRO). Recent work improved a healthcare company’s conversion rate from 7.54% to 9.09%, generating an estimated $460,000 annual revenue impact. I design websites, mobile apps, SaaS products, dashboards, onboarding experiences, and landing pages that improve user experience while driving measurable business results. Industries: • SaaS & B2B Software • Healthcare & Telemedicine • E-commerce • AI Products & Dashboards • Mobile Applications • Subscription-Based Businesses Services: • UX/UI Design • SaaS Product Design • Mobile App Design • Dashboard Design • Website Redesign • Landing Page Design • UX Audit • Conversion Rate Optimization (CRO) • User Flows & Wireframes • Interactive Prototypes • Design Systems • Developer-Ready Figma Files My Approach I don’t just design screens. I study user behavior, identify friction points, and redesign experiences that help users take action faster. My work focuses on: • Improving usability • Reducing drop-off • Building trust • Simplifying decision-making • Increasing conversions Selected Results 🔶 Healthcare & Telemedicine • Improved conversion opportunities by simplifying treatment selection and checkout flows • Increased trust through clearer onboarding, hierarchy, and calls-to-action • Helped improve usability across critical patient journeys 🔶 SaaS Products & Dashboards • Redesigned complex workflows into intuitive user experiences • Reduced friction across key product journeys • Improved usability and scalability through stronger UX structure 🔶 Websites & Landing Pages • Improved user flow and landing page clarity • Reduced friction across conversion paths • Increased trust through stronger hierarchy, messaging, and social proof Tools • Figma • Framer • Notion Why Clients Work With Me ▪ Top Rated Plus with 100% Job Success ▪ Conversion-focused UX/UI design ▪ Clear communication and reliable delivery ▪ Business-focused design decisions ▪ Developer-friendly handoff and scalable systems If you’re getting traffic but users aren’t converting, I can help identify where they’re getting stuck and redesign the experience to improve performance.

I bring a unique perspective to UX/UI design with a background in SaaS sales and technical recruiting, where I learned how people engage with technology and what drives decision-making. Now, as a UX/UI designer, I focus on creating intuitive, high-converting experiences that balance user needs with business goals. Whether it's refining user flows, improving onboarding, or designing sleek interfaces, my goal is to make digital products seamless and effective. I made the shift from SaaS sales and technical recruiting to UX/UI design after realizing that understanding people’s challenges and solving real problems was the most rewarding part of my work. That same user-first mindset now drives my approach to design. How I Can Help You: - UX/UI Design & Prototyping – I craft clean, user-friendly interfaces that enhance engagement and usability. - Heuristic Evaluations & UX Audits – I identify pain points in digital products and provide actionable recommendations. - Conversion-Focused Design – My background in sales and customer retention helps me create designs that don’t just look good but drive results. - Collaborative & Detail-Oriented – I work closely with developers, founders, and product teams to translate ideas into polished, functional experiences. I’ve worked on SaaS, fintech, health tech, and consumer apps, helping businesses create efficient, conversion-driven, and visually engaging products. If you need a UX/UI designer who understands both users and business goals, let’s connect! 🚀 Portfolio: theparkdesign.com

⭐️ Top 1% Expert Vetted Freelancer on Upwork ⭐️ Hello! I've worked with startups and enterprise companies across many industries, the majority involving AI. With over 15 years of experience working across the UX spectrum from ideation and discovery to high fidelity mockups and a robust, usable, design system, I have helped companies achieve business results by improving the user experience of their product or service. Some companies I've done work for: Atlassian, Deloitte, TripAdvisor, as well as other companies in the Fintech (including crypto and blockchain), Edtech, Insurance, Healthcare, Pricing Strategy, M&A and Human Resources industries. 💰 Business Results you can expect - Improved financial performance due to increased efficiency and reduced support costs - Increased user adoption and engagement - Access to new markets - Enhanced customer satisfaction - Improved conversion rates - Competitive advantage 🌟Expertise - User Research (user interviews, A/B testing, product validation) - Usability testing using the SUS or NASA-TLX - UX Design - User Flows - Wireframes - Prototypes - Design Systems (components, variables and all) - Enterprise applications - Mobile app design - Design Thinking Education - Design Ops - Discovery Workshops 💪 Experience - I'm motivated by simplifying the complex for users. I like working with large data sets and exploring the best way to have it be understood. - Experience designing SaaS applications for both enterprise B2B and B2C, including dashboards and experiences for niche users . - I design responsively for multiple breakpoints, including extra wide screens, tablet and mobile. - I am an expert Figma user and I love working in the tool. I am also an expert user in the Adobe Creative Suite. - I have lead teams of designers from 5 to 15 and am passionate about helping designers grow. - I am experienced in WCAG 2.2 accessibility standards. - I gravitate towards more complex interfaces and challenges throughout my career as opposed to simple websites. Let's have a quick chat about how I can help you achieve your business targets and to see if we are a good match. Please ask me directly for my portfolio/case studies as I'm extremely limited with what I can post publicly.

Struggling to turn your startup vision into a product users actually love? I help early-stage founders go from 0→1 with user-centered design that drives real business impact. ⭐️ TOP 1% OF FREELANCERS ON UPWORK ⭐️ ️ What I Deliver: - 0-to-1 product design for startups (30+ launched) - Complex dashboard design (internal + customer-facing) - Data visualization that makes analytics actionable - High-fidelity prototypes ready for dev handoff - Design systems that scale with your product Trusted by Fortune 500: Johnson & Johnson • FedEx • Booking,com • Procter & Gamble • WebMD Startup Partners: EdVisorly • Qwoted • VELA • ProductWind • weSponsored • and 20+ more → Ready to turn your idea into a product users love? Send me a message to discuss your project.