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Kadir Y.
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Kadir Y.

Senior Full-Stack | Next.js, React, NestJS | AI Agent Developer

🌟 Full Stack Developer | AI & Chatbot Expert Hello! I’m a professional Full Stack Developer and Artificial Intelligence Specialist with proven experience in web development, AI integration, and custom software solutions. I help businesses build scalable, secure, and innovative applications. 🔹 Services I Provide Web Development & Design – React, Next.js, HTML5, CSS3 AI Applications & Chatbot Development – GPT-3.5, GPT-4, OpenAI API Integration API & Database Development – RESTful API, GraphQL, Node.js, Django, Flask Database Management – MySQL, PostgreSQL, MongoDB, Firebase, Redis E-commerce Solutions & Payment Integration Website Security & Performance Optimization Desktop Applications & Browser Extensions Software Debugging & Optimization 🔹 Technologies & Tools Front-End: React, Next.js, Tailwind CSS, Bootstrap, Material UI Back-End: Node.js, Python, PHP, NestJS, Django, Flask Cloud & DevOps: AWS, Vercel, Netlify, Docker, Kubernetes, Cloudflare Version Control & Tools: Git, GitHub, GitLab, Bitbucket SEO & Analytics: Search Engine Optimization (SEO), Google Analytics AI & APIs: OpenAI API, GPT-4 API, RESTful API, GraphQL 🔹 Why Choose Me? ✅ High-quality, maintainable code ✅ On-time project delivery ✅ Tailored, business-focused solutions ✅ Clear and consistent communication 🚀 Let’s build something powerful together! Feel free to reach out anytime.

🇹🇷Denizli, Turkey$40/hr100% JSS5.00 (7)Since Nov 2018

Earnings and projects

MRR
$5.3k

Last 6 months ÷ 6

World#4,820 / 412k
🇹🇷Country#59 / 3,515
Revenue, last 30 days
$0

Last 6 months: $32k

Total earnings
$134k

Billed in all: $140k

World#27,241 / 412k
🇹🇷Country#205 / 3,515
Per project
$12k

$16k in the last 6 months

World#12,320 / 412k
🇹🇷Country#100 / 3,515
Projects, last 6 months
2
0% fixed100% hourly
World#88,918 / 412k
🇹🇷Country#683 / 3,515
Projects in all
11

Across 12 contracts

67% fixed33% hourly
World#192,417 / 412k
🇹🇷Country#1,589 / 3,515

Earnings, last 30 days

$140kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$138k$140k$142k$144kOct 8Oct 23Nov 7

Skill rankings: Top 1% in Architectural Design

Ranked by MRR among everyone on Upwork with the skill.

  1. #18Reverse Engineering721 freelancers · 🇹🇷 #2Top 2%
  2. #49Architectural Design4,048 freelancers · 🇹🇷 #2Top 1%
  3. #72NestJS3,757 freelancers · 🇹🇷 #2Top 2%
  4. #92REST API5,062 freelancers · 🇹🇷 #2Top 2%
  5. #180API7,943 freelancers · 🇹🇷 #3Top 2%
  6. #243MySQL14,471 freelancers · 🇹🇷 #4Top 2%
  7. #259React Native10,486 freelancers · 🇹🇷 #4Top 2%
  8. #270Project Management18,568 freelancers · 🇹🇷 #2Top 1%