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Kelvin B.
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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! 📧

🇰🇪Nairobi, Kenya$20/hr100% JSS5.00 (2)Since Feb 2021
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Earnings and projects

MRR
$141

Last 6 months ÷ 6

World#125,379 / 412k
🇰🇪Country#797 / 3,243
Revenue, last 30 days
$301

Last 6 months: $844

World#74,206 / 412k
🇰🇪Country#487 / 3,243
Total earnings
$12k

Billed in all: $12k

World#181,546 / 412k
🇰🇪Country#1,262 / 3,243
Per project
$4k

$422 in the last 6 months

World#43,097 / 412k
🇰🇪Country#218 / 3,243
Projects, last 6 months
2
0% fixed100% hourly
World#88,918 / 412k
🇰🇪Country#531 / 3,243
Projects in all
3

Across 8 contracts

38% fixed62% hourly
World#304,140 / 412k
🇰🇪Country#2,549 / 3,243

Earnings, last 30 days

$12.4k+$301 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$12.0k$12.2k$12.4kOct 8Oct 23Nov 7

Skill rankings: Top 20% in CSS 3

Ranked by MRR among everyone on Upwork with the skill.

  1. #12Cross-Browser Compatibility48 freelancers · 🇰🇪 #1Top 25%
  2. #98Form Development305 freelancers · 🇰🇪 #2Top 32%
  3. #117Unbounce322 freelancers · 🇰🇪 #1Top 36%
  4. #118Web Accessibility376 freelancers · 🇰🇪 #2Top 31%
  5. #1,413RESTful API6,064 freelancers · 🇰🇪 #8Top 23%
  6. #2,010CSS 39,914 freelancers · 🇰🇪 #9Top 20%
  7. #2,474Front-End Development8,892 freelancers · 🇰🇪 #6Top 28%
  8. #2,778Web Application9,341 freelancers · 🇰🇪 #13Top 30%