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Sunny C.
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Sunny C.

AI Native Full Stack Engineer - iOS/Android/Flutter/React/Node/Python

My work covers the complete product lifecycle from transforming ideas into technical roadmaps, architecture planning, UI/UX implementation, backend development, AI integrations, testing, deployment, and long-term scaling support across iOS, Android, Web, and cloud platforms. Over the 15+ years of hands-on experience delivering products for startups, enterprises, agencies, and government-backed initiatives, where I’ve delivered 250+ successful projects for global organizations and brands, including Imagine, RunTheDay, SmartGen, Wishper-AI, Rhubarb-AI, AT&T, Verizon, Univision, Telefonica, Sprint, PepsiCo, Airtel, Amazon, Goldman Sachs, OLX, FountainLife, MySpace, SHL, LetsIntern, AMCAT, and many others. I have also completed multiple impactful projects in collaboration with the European Union and the Government of India. I maintain clear updates throughout development, proactively identify blockers, and adapt to overlapping client time zones to ensure smooth collaboration and predictable delivery timelines. My Technical Expertise: Mobile Development: React Native, Flutter, Swift, Objective-C, Java, Kotlin Backend Development: NodeJS, PHP, Laravel, Python, Java, Dot NET, REST APIs, Firebase Databases: PostgreSQL, MySQL, MongoDB, SQLite, Core Data, Firestore Cloud & Infrastructure: AWS, Firebase, GCP, Supabase Payments & Secure Transactions: Stripe, Braintree, Apple Pay, Google Pay, Razorpay Realtime & Communication: Firebase, SignalR, Twilio, QuickBlox CI/CD & DevOps: AWS, Azure, GCP, Kubernetes, GitHub Actions, GitLab CI, Jenkins, CircleCI, Supabase, DigitalOcean Cross-Platform & No-Code Ecosystem: FlutterFlow, Adalo, Figma-to-Production Workflows AI Tools & Platforms: OpenAI APIs, Claude AI, Cursor AI, GitHub Copilot, LangChain, Pinecone, Hugging Face, Vercel AI SDK, N8N, Make dot com, Zapier, Firebase AI Integrations AI & Automation: AI Chatbots & Conversational Systems, LLM Integrations (OpenAI, Claude, Gemini), AI Recommendation Systems, Speech-to-Text & Text-to-Speech, AI Workflow Automation, RAG-based AI Systems, AI Agents & Autonomous Workflows, Prompt Engineering, AI-powered Analytics & Personalization, Document Parsing & OCR Systems, Process Automation using N8N IoT & Smart Device Integrations: BLE & Wi-Fi Devices, OBD-II Integrations, Apple Watch & Fitness Devices, Beacon Technologies (iBeacon, BlueCat) Security & Compliance: OAuth2, PKI, Secure Authentication, HIPAA & GDPR Compliance, 128-bit Encryption Standards I’m available for full-cycle product development, AI integration projects, long-term collaborations, technical leadership roles, and scaling existing applications. If you’re building a serious product and need an experienced engineering partner who can combine strong software engineering with modern AI capabilities, I’d be happy to discuss your project.

🇮🇳Noida, India$38/hr100% JSS4.66 (63)Since Oct 2013

Earnings and projects

MRR
$5.6k

Last 6 months ÷ 6

World#4,341 / 412k
🇮🇳Country#489 / 45.9k
Revenue, last 30 days
$20k

Last 6 months: $34k

World#290 / 412k
🇮🇳Country#14 / 45.9k
Total earnings
$253k

Billed in all: $260k

World#10,444 / 412k
🇮🇳Country#1,678 / 45.9k
Per project
$3.3k

$5.6k in the last 6 months

World#51,372 / 412k
🇮🇳Country#5,935 / 45.9k
Projects, last 6 months
6
33% fixed67% hourly
World#34,405 / 412k
🇮🇳Country#4,220 / 45.9k
Projects in all
77

Across 90 contracts

44% fixed56% hourly
World#38,397 / 412k
🇮🇳Country#6,699 / 45.9k

Earnings, last 30 days

$260k+$19.6k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$240k$250k$260kOct 8Oct 23Nov 7

Skill rankings: Top 0.25% in Android Studio

Ranked by MRR among everyone on Upwork with the skill.

  1. 2Android Studio805 freelancers · 🇮🇳 #1Top 0.25%
  2. #99UI/UX Prototyping6,982 freelancers · 🇮🇳 #11Top 1%
  3. #108Git5,766 freelancers · 🇮🇳 #8Top 2%
  4. #122Flutter7,550 freelancers · 🇮🇳 #40Top 2%
  5. #131Android App Development6,395 freelancers · 🇮🇳 #31Top 2%
  6. #139Angular6,816 freelancers · 🇮🇳 #37Top 2%
  7. #142iOS Development6,533 freelancers · 🇮🇳 #31Top 2%
  8. #171Web Application9,341 freelancers · 🇮🇳 #23Top 2%