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Jonathan S.
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Jonathan S.

Javascript-Typescript Apps | React, Next.js | MVP, SaaS | Framer & AI

Top Rated Web Developer with 100% Job Success Score, specializing in JavaScript, TypeScript, React, Next.js, Framer, and AI-powered web solutions. I build fast, responsive, and conversion-focused websites and web applications that are designed to deliver real business results. From landing pages and business websites to custom React applications, API integrations, and AI automations, I can take your project from idea to production deployment. Key Expertise & Technologies 🔹Core Languages: JavaScript (ES6+), TypeScript, HTML5, CSS3 🔹Front-End Libraries & Frameworks: Vanilla.js, jQuery, React.js / Next.js 🔹Styling & UI/UX: Figma, Adobe Photoshop, Tailwind CSS (Responsive Design) 🔹Version Control: Git/GitHub, Azure 🔹Build Tools: Webpack, Vite 🔹Backend: .NET Core, Node.js, Express.js, MSSQL, MongoDB, Supabase 🔹Web builders: Framer, Squarespace, Wordpress, Elementor, Webflow, Wix Studio, Replit, Lovable, Base44 🔹AI Automations: Zapier, GoHighLevel, n8n 🔹Other Experience: API Integration (REST), Google App Script, Looker Studio What I Bring to Your Project ✔ Front-End Specialization: Deep expertise in JavaScript / Typescript and modern frameworks to build interactive and high-performance user interfaces. ✔ Quality & Maintainability: I am committed to writing clean, well-documented, and scalable code that simplifies future updates and development. ✔ Seamless User Experience: A strong focus on responsiveness, performance optimization, and intuitive design to ensure your application delights users. ✔ Full Lifecycle Support: From initial concept and wireframing to deployment and post-launch maintenance, I handle the full front-end/backend development cycle. Whether you're building a simple landing page or a complex web application with API integration and managing data, I'm here to bring your ideas to life. I work closely with clients to ensure that every project meets their expectations and it is delivered on time. Let's collaborate and build something great together.

🇵🇭Lucena, Philippines$10/hr100% JSS5.00 (15)Since Jul 2024
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Earnings and projects

MRR
$154

Last 6 months ÷ 6

World#122,475 / 412k
🇵🇭Country#20,835 / 56.3k
Revenue, last 30 days
—

Read daily since Oct 28, under 30 days

Total earnings
$1.2k

Billed in all: $1.4k

World#375,931 / 412k
🇵🇭Country#53,273 / 56.3k
Per project
$62

$62 in the last 6 months

World#313,845 / 412k
🇵🇭Country#35,992 / 56.3k
Projects, last 6 months
15
60% fixed40% hourly
World#9,888 / 412k
🇵🇭Country#379 / 56.3k
Projects in all
20

Across 21 contracts

52% fixed48% hourly
World#133,450 / 412k
🇵🇭Country#10,355 / 56.3k

Earnings, last 30 days

$1.4kNothing earned since Oct 28Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$1,340$1,360$1,380$1,400Oct 28Nov 3Nov 8

Tracked from Oct 28, 2026.

Skill rankings: Top 24% in SQL

Ranked by MRR among everyone on Upwork with the skill.

  1. #475Google Apps Script1,318 freelancers · 🇵🇭 #69Top 36%
  2. #637Framer1,796 freelancers · 🇵🇭 #14Top 35%
  3. #764.NET Core3,067 freelancers · 🇵🇭 #12Top 25%
  4. #1,054Sales Funnel2,700 freelancers · 🇵🇭 #123Top 39%
  5. #1,293Wix4,075 freelancers · 🇵🇭 #91Top 32%
  6. #1,728Tailwind CSS6,979 freelancers · 🇵🇭 #51Top 25%
  7. #1,906Webflow5,550 freelancers · 🇵🇭 #41Top 34%
  8. #2,416Front-End Development8,892 freelancers · 🇵🇭 #77Top 27%