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Sakthivel K.
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Sakthivel K.

Full Stack .NET Developer | Mobile App | MAUI Expert

I am a Senior Full Stack Software Engineer with 10+ years of experience building web, mobile, cloud, and AI-powered applications. I have worked with startups and enterprise clients, taking products from idea to deployment. I specialize in designing scalable, high-performance applications using modern technologies and best practices. I enjoy solving complex technical challenges and building reliable software that delivers business value. I am available for long-term and full-time projects. ### Technologies * AI, LLM, RAG, AI Agents * LangChain, LangGraph, MCP * OpenAI, Claude, Gemini * C#, .NET, ASP.NET Core * .NET MAUI, Xamarin, Android, iOS * Angular, JavaScript, TypeScript * SQL Server, SQLite, PostgreSQL, Redis * Kafka, RabbitMQ * Docker * Azure, AWS, Google Cloud (GCP) * Firebase * Selenium, Appium ### Services * AI Applications & Chatbots * Full Stack Web Development * Mobile App Development (.NET MAUI, Xamarin) * REST API & Microservices * Cloud Applications * System Design & Architecture * Database Design & Optimization * IoT Applications * Data Migration * Automation Testing (Web, Mobile & API) ### What You Can Expect * Clean, maintainable code * Scalable architecture * Clear communication * On-time delivery * Long-term support * Focus on quality and customer satisfaction

🇮🇳Namakkal, India$45/hr100% JSS5.00 (11)Since Jul 2020

Earnings and projects

MRR
$5.2k

Last 6 months ÷ 6

World#5,092 / 412k
🇮🇳Country#590 / 45.9k
Revenue, last 30 days
—

Read daily since Oct 31, under 30 days

Total earnings
$177k

Billed in all: $187k

World#18,544 / 412k
🇮🇳Country#3,026 / 45.9k
Per project
$9.8k

$15k in the last 6 months

World#16,318 / 412k
🇮🇳Country#1,740 / 45.9k
Projects, last 6 months
2

Across 4 contracts

0% fixed100% hourly
World#88,918 / 412k
🇮🇳Country#10,198 / 45.9k
Projects in all
18

Across 31 contracts

23% fixed77% hourly
World#143,608 / 412k
🇮🇳Country#20,354 / 45.9k

Earnings, last 30 days

$187k+$1.3k earned since Oct 31Billed in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$185k$186k$187k$188kOct 31Nov 4Nov 7

Tracked from Oct 31, 2026.

Skill rankings: #1 in 1 skill of 15

Rarest: top 2% in Android, of 4,975. Ranked by MRR among everyone on Upwork with the skill.

  1. 1Infovisa MAUI33 freelancers · 🇮🇳 #1Top 3%
  2. #9Xamarin434 freelancers · 🇮🇳 #1Top 2%
  3. #15Bluetooth244 freelancers · 🇮🇳 #2Top 6%
  4. #21RabbitMQ552 freelancers · 🇮🇳 #1Top 4%
  5. #43Redis1,774 freelancers · 🇮🇳 #5Top 2%
  6. #64ASP.NET Core2,272 freelancers · 🇮🇳 #22Top 3%
  7. #75ASP.NET2,819 freelancers · 🇮🇳 #20Top 3%
  8. #88Mobile App3,535 freelancers · 🇮🇳 #13Top 2%