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Kajal S.
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Kajal S.

Mobile App Development | Android/iOS | AI Mobile App | MVP 4-12 weeks

✅ Top Rated Plus | ✅ 100% Job Success | ✅ 5-Star Reviews | ✅ 12+ years Experience IoT Developer | BLE Expert | AI Agent Developer | OpenAI & Claude Integration | Embedded Systems | Mobile Apps | AWS IoT Building an IoT or AI-powered product is challenging. Many projects fail because hardware, firmware, cloud infrastructure, mobile apps, and AI systems are developed separately. This creates communication gaps, delays, and costly redesigns. We help startups and businesses build complete IoT and AI solutions from embedded firmware and wireless connectivity to mobile applications, cloud platforms, AI agents, chatbots, and web dashboards. Whether you're developing a BLE-enabled product, healthcare device, industrial IoT platform, wearable, asset-tracking solution, AI application, or smart automation system, we help you move from concept to deployment with a single engineering team. 𝗪𝗵𝗮𝘁 𝘆𝗼𝘂 𝗴𝗲𝘁 ✔ End-to-end IoT product development ✔ AI-powered applications using OpenAI, Claude AI, Gemini, and custom LLM integrations ✔ AI Chatbots, AI Agents, RAG systems, and workflow automation ✔ BLE, Bluetooth, NFC, RFID, Wi-Fi, Zigbee, LoRa, and custom wireless solutions ✔ Android, iOS, Flutter, and React Native application ✔ Cloud infrastructure, APIs, OTA updates, device management, and real-time monitoring ✔ AWS, Firebase, Supabase, Node.js, Python, and scalable backend architecture ✔ Product architecture built for security, reliability, and growth 𝗪𝗵𝗮𝘁 𝘄𝗲 𝗯𝘂𝗶𝗹𝗱 • Connected IoT Devices • BLE & Bluetooth Applications • Embedded Systems & Firmware • AI-Powered Mobile & Web Applications • AI Chatbots & AI Agents • OpenAI & Claude API Integrations • Healthcare & Medical IoT Platforms • Industrial Monitoring Solutions • Asset Tracking & Indoor Positioning Systems • Smart Home Automation • Wearable Technology Applications • Fleet Management Systems • Cloud-Based IoT Platforms • SaaS Platforms & Admin Dashboards 𝗦𝗲𝗹𝗲𝗰𝘁𝗲𝗱 𝗣𝗿𝗼𝗷𝗲𝗰𝘁𝘀 ★ Remote Patient Monitoring Platform ★ Connected Fitness Ecosystem ★ Fleet Management Solution ★ Smart Home Automation Platform ★ Precision Agriculture System ★ Industrial Asset Tracking Platform ★ AI Knowledge Assistant using OpenAI & Claude APIs ★ AI Customer Support & Workflow Automation System 𝗪𝗵𝗮𝘁 𝗺𝗮𝗸𝗲𝘀 𝘁𝗵𝗲 𝗱𝗶𝗳𝗳𝗲𝗿𝗲𝗻𝗰𝗲 ✔ Expertise in IoT, BLE, Embedded Systems, AI Applications, and Connected Products ✔ Strong experience with Nordic nRF52/nRF53/nRF54, ESP32, AWS IoT, OpenAI, and Claude AI ✔ Deep understanding of hardware, firmware, cloud, mobile, and AI integration ✔ Business-focused development that prioritizes real-world results ✔ Transparent communication and structured delivery process ✔ Long-term partnership and post-launch support 𝗥𝗲𝘀𝘂𝗹𝘁𝘀 𝘆𝗼𝘂 𝗰𝗮𝗻 𝗲𝘅𝗽𝗲𝗰𝘁 ✔ Faster product development and reduced time-to-market ✔ Reliable IoT and AI-powered solutions ready for deployment ✔ Stable mobile applications with seamless device connectivity ✔ Secure and scalable cloud infrastructure ✔ Reduced development risk through end-to-end ownership ✔ Products designed to scale beyond MVP If you're building a connected product, BLE application, embedded system, AI-powered application, chatbot, AI agent, or complete IoT ecosystem, let's discuss your requirements. 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝗮𝗻𝗱 𝗹𝗲𝘁’𝘀 𝘁𝗮𝗸𝗲 𝘆𝗼𝘂𝗿 𝗶𝗱𝗲𝗮 𝗳𝗿𝗼𝗺 𝗰𝗼𝗻𝗰𝗲𝗽𝘁 𝘁𝗼 𝗹𝗮𝘂𝗻𝗰𝗵.

🇮🇳Ahmedabad, India$28/hr100% JSS4.94 (7)Since May 2021
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Earnings and projects

MRR (estimate)
≈$1.7k

An estimate from an earlier read

World#26,744 / 412k
🇮🇳Country#3,250 / 45.9k
Revenue, last 30 days
$1.9k

Last 6 months: $10k

World#22,354 / 412k
🇮🇳Country#2,741 / 45.9k
Total earnings
$40k

Billed in all: $42k

World#90,708 / 412k
🇮🇳Country#13,268 / 45.9k
Per project
$4.4k

$5.2k in the last 6 months

World#39,087 / 412k
🇮🇳Country#4,373 / 45.9k
Projects, last 6 months
2
50% fixed50% hourly
World#88,921 / 412k
🇮🇳Country#10,198 / 45.9k
Projects in all
9

Across 11 contracts

18% fixed82% hourly
World#212,270 / 412k
🇮🇳Country#27,855 / 45.9k

Earnings, last 30 days

$42.2k+$1.8k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$40k$41k$42k$43kOct 9Oct 24Nov 8

No data since Nov 5, 2026.

Skill rankings: #1 in 1 skill of 19

Rarest: top 6% in Android SDK, of 805. Ranked by MRR among everyone on Upwork with the skill.

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