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
Earnings and projects
Last 6 months ÷ 6
Read daily since Oct 31, under 30 days
Billed in all: $187,201$187k
$15k in the last 6 months
Across 4 contracts
Across 31 contracts
Earnings, last 30 days
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.
- Infovisa MAUI33 freelancers · 🇮🇳 #1Top 3%🇮🇳#1 of 20
- #9Xamarin434 freelancers · 🇮🇳 #1Top 2%🇮🇳#1 of 149
- #15Bluetooth244 freelancers · 🇮🇳 #2Top 6%🇮🇳#2 of 64
- #21RabbitMQ552 freelancers · 🇮🇳 #1Top 4%🇮🇳#1 of 89
- #43Redis1,774 freelancers · 🇮🇳 #5Top 2%🇮🇳#5 of 334
- #64ASP.NET Core2,272 freelancers · 🇮🇳 #22Top 3%🇮🇳#22 of 807
- #75ASP.NET2,819 freelancers · 🇮🇳 #20Top 3%🇮🇳#20 of 1,066
- #88Mobile App3,535 freelancers · 🇮🇳 #13Top 2%🇮🇳#13 of 949