Hire the Best UX Designers in San Diego, CA

Hey there! I’m a content creator, artist, and tech-lover with a cozy, bright aesthetic. With 2+ years growing my brand on Instagram, TikTok, and YouTube, I’ve created content that’s driven 5,000+ product sales and have reached 1M+ views. I blend storytelling, creativity, and strategy to help brands build emotional connections and inspire action. ✨ Check out my portfolio below or visit karachen .com to explore my style. --- My content helps businesses connect their products with the right audience through relatable, visually compelling storytelling that feels both authentic and on-brand. I have a deep understanding of how to craft high-performing short-form videos that build trust and drive results. As a former designer turned full-time content creator, I bring a creative eye, clear communication, and a results-driven mindset to every project. You can count on timely delivery, high-quality visuals, and content that aligns with your goals to elevate your brand presence. I pride myself on being communicative, reliable, and easy to work with. Services: - UGC / User-Generated Content Creation: Product demos, unboxings, testimonials, and reviews. - Social Media Video Creation: Engaging Instagram Posts, Reels, TikToks, and YouTube Shorts. - Video Editing (advanced in CapCut) - Graphic Design and Digital Products (Canvas) - Social Media Assistance: Content strategy, post scheduling, and brand growth. Please feel free to reach out with any questions. I look forward to the opportunity to work with you!

🥇 Top-rated Designer & Full-Stack Developer with 15+ years experience! HTML - CSS - JavaScript - PHP - Custom WordPress Themes - Custom WordPress Plugins - Mobile App Development - Graphic Design - B2B Lead Generation ✨ Do you need a beautifully designed custom WordPress website that achieves incredible conversion rates? ✨ Are you done with worrying about getting clients, and ready to implement a proven multi-channel lead generation outreach campaign? If you answered YES to either question, then go ahead and send me a message right away so we can discuss how I can take care of these things for you immediately! WHAT I SPECIALIZE IN ✔️ High-quality 100% customized WordPress websites, designed and developed to the highest industry standards. All of my websites are completely focused on your CONVERSION GOALS so you actually see RESULTS from your website! I'm not your average WordPress developer! ✔️ Ongoing website maintenance to keep your site up to date, secure from hackers, and optimized for SEO performance and conversions ✔️Highly-targeted multi-channel B2B sales outreach campaigns (LinkedIn + Cold Email + Telemarketing services) that will fill your inbox and calendar with qualified prospects ready to buy! RECENT CLIENT SUCCESS STORIES ⭐Worked with a technology company to revamp their WordPress website which helped improve its customer retention rate by 25%. This company was already selling a high-quality product and needed to specifically focus on customer retention. I helped them identify potential problems in their software and presentation at the web level. This resulted in an increase of $27,000 in revenue in the first quarter. ⭐Helped a client increase their average monthly revenue by $12,000. This was a well-established eCommerce business that had seen their revenue plateau for several years. I helped them identify growth opportunities and completely redesigned their site to increase conversions and sales dramatically. ⭐Worked with a client that was selling a unique product and needed to implement an effective sales funnel. We spent over a month optimizing the design and content of their website, and implemented strategies for email marketing. This work resulted in a 700% increase in conversion rate based on the improved buying experience, which lead to a 50% increase in sales at the end of the first year. ⭐Helped a non-profit organization save $50,000/year by implementing new processes to reduce expenses for marketing materials and staff time spent on updating them. The organization had been struggling to capture new donations as they were relying too much on an outdated website and Facebook page. I helped them revamp everything. The changes they implemented resulted in a 60% increase in donor requests while dramatically reducing administrative time, which resulted in a $50,000 annual savings. If you think you might benefit from working with me, don't hesitate to send a message. Let's see if we can create a plan for your success today!

I’m a senior UI/UX designer who specializes in helping startups build products that gain traction and scale. I have nearly a decade of experience working with early-stage companies and high-growth teams. I have co-founded my own startup and worked with many others, including Pickle AI, where my work played a pivotal role in their acceptance into Y Combinator. I understand startups because I have been on the inside. I have helped take products from early concepts to revenue-generating platforms by solving the right product problems at the right time. My focus is on designing features and experiences that attract new customers, improve activation and retention, and support clear business goals. Every decision is grounded in user insights, product strategy, and measurable outcomes. When we work together, you get a strategic design partner who can think like a founder. I help teams prioritize what actually matters, move quickly without sacrificing quality, and turn complex ideas into problem-solving products. My work is designed to accelerate growth, support fundraising conversations, and position products clearly in competitive markets. I offer end-to-end product design services tailored specifically for startups: ✅ User Experience Strategy/Design Defining user flows, feature priorities, and product structure to support rapid growth and clear value propositions. ✅ High-Impact UI Design Designing polished, conversion-driven interfaces that support acquisition, activation, and trust. ✅ User Research & Validation Running interviews, usability testing, and lightweight experiments to reduce risk and guide product decisions. ✅ Development-Ready High-Fidelity Designs Delivering fully spec’d designs, components, and systems that engineers can build quickly and confidently. ✅ Interactive Prototypes Creating realistic prototypes to test ideas, align stakeholders, and move faster toward launch. ✅ Customer Journey Mapping Identifying friction and opportunities across onboarding, core workflows, and retention moments. ✅ Competitive & Market Analysis Helping position your product clearly by understanding competitors, user expectations, and market gaps.

⭐️ Upwork Expert-Vetted • Top 1% ⭐️ With 20+ years of hands-on software development and product design experience, I help founders and teams turn ideas into successful startups. My expertise spans Swift, SwiftUI, Objective-C, C/C++, and a deep background in Product Design (UX/UI/IxD/HCI/HF/UxD/IA). I specialize in: • Launching and scaling startups from concept to MVP and beyond
 • Building social networks, streaming platforms, e-commerce, utilities, and B2B solutions
 • Leading UX research to identify user needs and craft intuitive, market-fit products • Designing and architecting products that delight users and drive growth Whether you need a solo expert or a full team, I can take your vision from idea to launch—covering ideation, architecture, design, and development. I’m passionate about creating products people love, and I thrive on solving complex problems with simple, elegant solutions. Let’s build your next successful startup together. 🎯

I help startups create top-of-the-line high-fidelity prototypes of their MVPs. I tailor and maintain Figma design systems to empower design teams. Let’s collaborate and get your ideas to market faster! I have formal education in conducting user research, usability testing, information architecture and UX Design which allows me to combine these passions to creatively solve problems and customize user-centered solutions that support the vision of your company. Please take a look at my portfolio. Education + Certifications: Bachelor of Science degree in Cognitive Science With a Specialization in Design and Interaction (University of California, San Diego) Certifications: Mobile User Experience (UX) Design from The Interaction Design Foundation User Research - Methods and Best Practices from The Interaction Design Foundation User Interface Design Patterns for Successful Software from The Interaction Design Foundation

✨ Hi! I’m Vivian, a product designer who helps startups turn complex ideas into simple and engaging user experiences. I have 2+ years of experience in UX/UI and product design, working with AI coaching platforms, SaaS startups, and health tech. Recently, clients reached out to me on Upwork to redesign AI-based dashboards and landing pages that drive user engagement and growth. 🚀 What I can help you with: Product design from 0 to MVP (I work well with early-stage startups) User-centered web & mobile UI/UX Landing pages & marketing websites to attract and convert users SaaS and AI conversational tools design Health & wellness product design (I’m a former IVF coordinator!) 🌱 Special areas: AI SaaS platforms (chat-based, coaching, automation tools) Health tech & IVF/Fertility MVP & early product design I’m also working on my own AI-powered thinking tool, so I know how to balance business goals, user needs, and practical development limits. 💬 Let’s chat if you want a thoughtful, strategic designer to help you bring your product idea to life!