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Tannu T.
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Tannu T.

Tech Lead iOS | Android & Web APP Solutions | AI-Powered Strategies

I bring over 13 years of experience at the intersection of business strategy and full-stack technology. I lead a high-performance team of engineers, designers, and data experts dedicated to delivering scalable, intelligent digital solutions—from MVPs to enterprise platforms. With 11,000+ hours logged on Upwork, a Top Rated Plus status held for over a decade, and a track record of long-term client partnerships, I bridge the gap between business needs and technology execution. Our mission is simple: deliver solutions that drive real business value. 𝐖𝐡𝐚𝐭 𝐖𝐞 𝐃𝐞𝐥𝐢𝐯𝐞𝐫: Whether you're a mobile or web -first startup or an enterprise seeking to modernize legacy systems, we build products that are elegant, scalable, and AI-enabled solutions to your unique business goals. Beautiful Interfaces + Smart Systems Mobile, Web & Cloud Development Integrated AI for Insight & Automation 𝐂𝐨𝐫𝐞 𝐂𝐚𝐩𝐚𝐛𝐢𝐥𝐢𝐭𝐢𝐞𝐬: 🚀 Mobile App Development Native: Swift, SwiftUI, Kotlin, Java Cross-Platform: Flutter & React - Native Frameworks: iOS SDK, Android SDK, Cocoa Touch, UIKit, Core Data, Multithreading Real-time features: GPS, Geolocation, Camera, Media Streaming, Push Notifications 💻 Web App Development Frontend: React, HTML5, CSS3, JavaScript, Tailwind, Bootstrap Backend: Node.js, PHP, Firebase, AWS, RESTful APIs Database: MySQL, SQLite, MongoDB, Firestore Admin panels, dashboards, portals, and full-stack systems 𝐏𝐫𝐨𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐢𝐧 𝐛𝐮𝐢𝐥𝐝𝐢𝐧𝐠 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞, 𝐫𝐞𝐚𝐥-𝐭𝐢𝐦𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐮𝐬𝐢𝐧𝐠 𝐒𝐮𝐩𝐚𝐛𝐚𝐬𝐞 𝐟𝐨𝐫 𝐛𝐚𝐜𝐤𝐞𝐧𝐝, 𝐚𝐮𝐭𝐡𝐞𝐧𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧, 𝐚𝐧𝐝 𝐝𝐚𝐭𝐚𝐛𝐚𝐬𝐞 𝐦𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭. 🤖 AI & Machine Learning Integration Intelligent UX: Personalized recommendations, NLP-based chat, behavior tracking Automation: Smart workflows, data analysis, predictive modeling Tools: TensorFlow Lite, Core ML, GPT APIs, Python (AI modules) 🔗 API & SDK Integration Payments: Stripe, PayPal Maps & Media: Google Maps, Chromecast, Audio/Video APIs Social: Facebook, Twitter, LinkedIn, Instagram SDKs Cloud & DevOps: AWS, Firebase, Sentry Analytics, Ad SDKs (Admob, Amazon), and performance monitoring 𝐀𝐫𝐞𝐚𝐬 𝐨𝐟 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: Mobile Application Development (iOS, Android) Web & Blockchain Consulting Artificial Intelligence & Machine Learning AI Frameworks: OpenAI (ChatGPT API), LangChain, TensorFlow, Keras. AI Services: Document Intelligence, Vision, Speech, AI Search Enterprise Portals & Identity Access Management Healthcare & Fitness & Finance Solutions Social Media & Dating Applications Retail & E-commerce Development CRM Software Development Custom Enterprise Solutions Payment Processing Solutions AI & IoT Connectivity Solutions On-demand apps (Food, Grocery, Pickup Delivery, Taxi Booking, Home Services, Beauty & Salon Booking, Club APPs, Laundry Services, Restaurant apps, car apps, mechanics apps, marketplace solutions) Online Learning Platforms Real-Estate Solutions Data Visualization & Enterprise Cloud Computing 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐂𝐡𝐨𝐨𝐬𝐞 𝐔𝐬: AI-Driven Results: We integrate intelligence into every layer of your app—improving engagement, automating workflows, and revealing deeper insights. Business-Focused Development: Every feature we build is tied to a user need or business outcome. Full Ownership & Transparency: From wireframes to deployment, you stay in control of the vision. Post-Launch Partnership: One year of free post-project support. After that, flexible ongoing support at minimal cost. 𝐀𝐯𝐚𝐢𝐥𝐚𝐛𝐢𝐥𝐢𝐭𝐲 & 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧 As COO, I remain directly involved in all strategic projects. I'm available 15–17 hours a day, 7 days a week, and responsive across Slack, Zoom, Upwork, and other platforms. You’ll always know where your project stands. If you’re looking to build a product that combines cutting-edge tech with real-world usability, let’s talk. Whether you're at idea stage or scaling fast, I can help you build with confidence and clarity.

🇮🇳Sundernagar, India$15/hr100% JSS4.66 (21)Since Oct 2015

Earnings and projects

MRR
$2.8k

Last 6 months ÷ 6

World#13,832 / 412k
🇮🇳Country#1,769 / 45.9k
Revenue, last 30 days
$3k

Last 6 months: $17k

World#12,902 / 412k
🇮🇳Country#1,626 / 45.9k
Total earnings
$230k

Billed in all: $237k

World#12,268 / 412k
🇮🇳Country#1,976 / 45.9k
Per project
$8.8k

$8.5k in the last 6 months

World#18,548 / 412k
🇮🇳Country#1,975 / 45.9k
Projects, last 6 months
2
0% fixed100% hourly
World#88,918 / 412k
🇮🇳Country#10,198 / 45.9k
Projects in all
26

Across 33 contracts

3% fixed97% hourly
World#109,599 / 412k
🇮🇳Country#16,359 / 45.9k

Earnings, last 30 days

$237k+$3k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$232k$234k$236k$238kOct 8Oct 23Nov 7

Skill rankings: Top 5% in Payment Gateway Integration

Ranked by MRR among everyone on Upwork with the skill.

  1. #27Web Service559 freelancers · 🇮🇳 #6Top 5%
  2. #34iPad App Development446 freelancers · 🇮🇳 #11Top 8%
  3. #81Google Apps Script1,318 freelancers · 🇮🇳 #4Top 6%
  4. #110Payment Gateway Integration2,302 freelancers · 🇮🇳 #45Top 5%
  5. #148Kotlin3,021 freelancers · 🇮🇳 #38Top 5%
  6. #201Swift3,634 freelancers · 🇮🇳 #49Top 6%
  7. #341Android App Development6,395 freelancers · 🇮🇳 #92Top 5%
  8. #383iOS Development6,533 freelancers · 🇮🇳 #99Top 6%