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Darshkumar D.
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Darshkumar D.

Senior Full-Stack & Android Developer | Python | React | AI

🚀 Senior Full-Stack & Android Developer | 7+ Years of Software Engineering Experience Need a scalable web platform, Android application, AI-powered product, backend API, or existing application improved and taken to production? 👉 I help startups and businesses build production-ready web, backend, AI, and Android applications using Python, FastAPI, Django, Java/Spring Boot, React, Next.js, Node.js, Kotlin, Jetpack Compose, Firebase and modern AI technologies. 📌 How I Can Help 👉 Full-Stack Web Development – Complete applications covering frontend, backend, APIs, databases, authentication, and integrations. 👉 Android App Development – Native Android development using Kotlin/Java, Jetpack Compose, MVVM, Clean Architecture, and modular architecture. 👉 Python Backend Development – Scalable APIs and backend services using Python, FastAPI, Django, and Flask. 👉 React & Next.js Development – Responsive, maintainable web applications using React, Next.js, TypeScript, and JavaScript. 👉 AI & Agentic AI Integration – AI-powered workflows, intelligent automation, MCP/tool integrations, and Generative AI functionality. 👉 Java / Spring Boot Development – Enterprise backend systems and business-critical applications. 👉 Real-Time Applications – WebRTC video calling, live chat, notifications, Firebase, and location tracking. 👉 API & Third-Party Integrations – REST APIs, Twilio, Firebase, Google Maps, authentication providers, and external business services. ⭐ Why Work With Me? ✔ 7+ years of software development experience ✔ Full-stack expertise across frontend, backend, databases, APIs and cloud integrations ✔ Native Android development with Kotlin, Java & Jetpack Compose ✔ Experience with Generative AI, Agentic AI, MCP & automation ✔ Experience across healthcare, government, procurement & real-time systems ✔ Strong focus on clean architecture, security, scalability & performance 📌 Core Technology Stack 🐍 Backend: Python | FastAPI | Django | Flask | Node.js | Java | Spring Boot ⚛️ Frontend: React.js | Next.js | TypeScript | JavaScript 📱 Android: Kotlin | Java | Android SDK | Jetpack Compose | MVVM | Clean Architecture 🤖 AI: Generative AI | Agentic AI | MCP | Google ADK | AI Automation 🗄️ Database: PostgreSQL | MySQL | Firebase / Firestore ☁️ Cloud: Firebase | GCP Cloud Functions 🔌 Integrations: REST APIs | Twilio | Google Maps | WebRTC | Third-Party APIs ⭐ Selected Experience - Procurement Automation: Built RFQ functionality with automated supplier data collection using Python/Selenium, dynamic pricing, order placement, and real-time tracking. - AI-Enabled Healthcare: Developed appointment and queue workflows using MCP/tool integrations and Twilio. - Government Platform: Worked on Java + React/Next.js software supporting significant daily billing and payment workflows. - Real-Time Applications: Built functionality involving WebRTC video calling, live chat, Firebase notifications, and Google Maps-based tracking. 📌 Have an Existing Application? I can also take over an existing web, backend, or Android application to fix bugs, add features, integrate APIs/AI, improve architecture, optimize performance, and prepare the product for production. 💬 Let's Discuss Your Project Send me your requirements, Figma designs, existing codebase, API documentation, or current technical challenge. I'll review your requirements and explain what I would prioritize first and how I'd approach the implementation.

🇮🇳Surat, India$15/hr100% JSS5.00 (4)Since Mar 2022
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Earnings and projects

MRR
$615

Last 6 months ÷ 6

World#69,221 / 412k
🇮🇳Country#7,397 / 45.9k
Revenue, last 30 days
$478

Last 6 months: $3.7k

World#64,273 / 412k
🇮🇳Country#6,801 / 45.9k
Total earnings
$5k

Billed in all: $5.3k

World#255,465 / 412k
🇮🇳Country#30,325 / 45.9k
Per project
$495

$615 in the last 6 months

World#183,596 / 412k
🇮🇳Country#22,813 / 45.9k
Projects, last 6 months
6
50% fixed50% hourly
World#34,405 / 412k
🇮🇳Country#4,220 / 45.9k
Projects in all
10
40% fixed60% hourly
World#201,797 / 412k
🇮🇳Country#26,761 / 45.9k

Earnings, last 30 days

$5.3k+$478 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$4k$5k$6kOct 8Oct 23Nov 7

Skill rankings: Top 13% in Java

Ranked by MRR among everyone on Upwork with the skill.

  1. #40JetPack272 freelancers · 🇮🇳 #11Top 15%
  2. #114Android App776 freelancers · 🇮🇳 #40Top 15%
  3. #211NodeJS Framework1,512 freelancers · 🇮🇳 #74Top 14%
  4. #302AWS Development1,478 freelancers · 🇮🇳 #85Top 20%
  5. #480Kotlin3,021 freelancers · 🇮🇳 #172Top 16%
  6. #546Database3,249 freelancers · 🇮🇳 #66Top 17%
  7. #1,033FastAPI4,337 freelancers · 🇮🇳 #207Top 24%
  8. #1,058Java8,313 freelancers · 🇮🇳 #190Top 13%