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Sankalp B.
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Sankalp B.

Senior Flutter Developer | iOS, Android & Mobile Apps

I help startups and businesses design, build, and scale high-quality mobile applications for iOS and Android using Flutter. I specialize in developing feature-rich mobile products including healthcare applications, social networks, marketplaces, workforce management platforms, learning systems, and enterprise mobile solutions. My focus is on building apps that deliver exceptional user experiences while remaining scalable, secure, and maintainable. What I Build 📱 Cross-Platform Mobile Applications • Flutter iOS & Android Apps • Enterprise Mobile Solutions • Real-Time Applications • SaaS Mobile Products • Consumer-Facing Apps 💬 Communication & Engagement • Real-Time Chat • Push Notifications • Live Streaming • Social Networking Features • Community Platforms 💳 Payments & Commerce • Stripe Integrations • Wallet Systems • Subscription Platforms • Booking Systems • Marketplace Applications 🤖 AI-Powered Mobile Apps • OpenAI Integrations • Claude Integrations • AI Assistants • Workflow Automation • Intelligent Search Selected Projects 🌐 Chatdit Built and continue to enhance a social networking platform featuring live streaming, public and private communities, groups, pages, media sharing, messaging, and real-time social engagement. 🏥 MedStripes Developing an enterprise healthcare platform supporting patient management, physician collaboration, scheduling, compliance workflows, clinical operations, and care coordination. 🎟 WorkingOnIt (WOI) Developed a marketplace ecosystem supporting service bookings, event ticketing, product ordering, subscriptions, QR-code checkout, and integrated payment processing. 📋 Assignmen Workforce Designed and developed a workforce management platform connecting employers, workers, and freelancers through staffing workflows, attendance management, messaging, digital payments, and recruitment automation. 🎓 iTeachLive Built a live-learning platform featuring virtual classrooms, scheduling, collaborative learning tools, messaging, student management, and integrated payment workflows. Core Technologies Flutter, Dart, Firebase, REST APIs, WebSockets, Stripe, Push Notifications, PostgreSQL, OpenAI, Claude, Docker, and Cloud Infrastructure. Why Clients Work With Me ✔ Top Rated Plus Freelancer ✔ 100% Job Success Score ✔ $200K+ Delivered Through Upwork ✔ 9,600+ Development Hours ✔ End-to-End Mobile Product Development ✔ Long-Term Product Development Partner If you're looking for a senior Flutter developer who can build scalable, user-friendly mobile applications with real-world business workflows, let's connect.

🇮🇳Nagpur, India$15/hr95% JSS4.65 (21)Since Apr 2016

Earnings and projects

MRR
$2.6k

Last 6 months ÷ 6

World#16,004 / 412k
🇮🇳Country#2,048 / 45.9k
Revenue, last 30 days
$2.5k

Last 6 months: $15k

World#15,875 / 412k
🇮🇳Country#1,976 / 45.9k
Total earnings
$230k

Billed in all: $237k

World#12,200 / 412k
🇮🇳Country#1,963 / 45.9k
Per project
$7.2k

$15k in the last 6 months

World#23,559 / 412k
🇮🇳Country#2,515 / 45.9k
Projects, last 6 months
1
0% fixed100% hourly
World#128,092 / 412k
🇮🇳Country#14,379 / 45.9k
Projects in all
32

Across 40 contracts

60% fixed40% hourly
World#92,223 / 412k
🇮🇳Country#14,178 / 45.9k

Earnings, last 30 days

$237k+$2.5k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$234k$236k$238kOct 8Oct 23Nov 7

Skill rankings: Top 7% in iOS Development

Ranked by MRR among everyone on Upwork with the skill.

  1. #431iOS Development6,533 freelancers · 🇮🇳 #120Top 7%