Kelvin B.
Full-time Web Developer
I AM WORKING FOR A LIMITED TIME AT A DISCOUNT! 🚀 Top-Rated Web Developer, Web UI & Form Specialist delivering pixel-perfect, highly functional, and responsive frontend solutions. I help clients solve targeted UI challenges—from complex HTML/CSS multi-step forms and client-side JavaScript validation to fixing broken mobile layouts and responsive web bugs. Whether you need a custom form connected to an API, a Figma-to-HTML conversion, or performance-optimized CSS/JS tweaks, I deliver clean, well-documented, and semantic code that works seamlessly across all browsers. ✨ Specialized Services I Offer: ⚡ Custom HTML Forms & Validation: Building multi-step web forms, custom input validation (vanilla JS), and seamless integrations with backend endpoints or third-party tools (Stripe, HubSpot, Mailchimp). 🎨 Responsive CSS & UI Layout Fixes: Resolving complex flexbox/grid issues, mobile responsiveness bugs, cross-browser compatibility glitches, and CSS performance bottlenecks. 📄 Figma / PSD / Design to Semantic Code: Converting visual designs into clean, accessible (a11y), pixel-perfect HTML5, modern CSS3, and lightweight JavaScript. 🔧 Vanilla JS Features & Interactive UI: Adding dynamic features, modal systems, interactive dashboards, DOM manipulations, and clean REST API data fetching without unnecessary framework bloat. 🤝 Clean Code & Fast Delivery: Every project includes modular code, clear documentation, and proactive communication. Ready to resolve your web UI or form challenges? 💡 Send a direct message or invite to get started right away! 📧
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $844
Billed in all: $12,390$12k
$422 in the last 6 months
Across 8 contracts
Earnings, last 30 days
Skill rankings: Top 20% in CSS 3
Ranked by MRR among everyone on Upwork with the skill.
- #12Cross-Browser Compatibility48 freelancers · 🇰🇪 #1Top 25%🇰🇪#1 of 1
- #98Form Development305 freelancers · 🇰🇪 #2Top 32%🇰🇪#2 of 6
- #117Unbounce322 freelancers · 🇰🇪 #1Top 36%🇰🇪#1 of 1
- #118Web Accessibility376 freelancers · 🇰🇪 #2Top 31%🇰🇪#2 of 2
- #1,413RESTful API6,064 freelancers · 🇰🇪 #8Top 23%🇰🇪#8 of 47
- #2,010CSS 39,914 freelancers · 🇰🇪 #9Top 20%🇰🇪#9 of 47
- #2,474Front-End Development8,892 freelancers · 🇰🇪 #6Top 28%🇰🇪#6 of 46
- #2,778Web Application9,341 freelancers · 🇰🇪 #13Top 30%🇰🇪#13 of 40