I Build Complete Apps: Android, iOS, Web & Node.js Backend

Santosh D

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Location Karnataka, India
Freelancer type Independent
Languages English, Gujarati, Hindi, Odia

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About

👋 Hi, I'm Santosh, a Full-Stack App Developer with 7+ Years of Experience

I build complete, production-ready apps: Android, iOS, web, and the back-end that powers them. One developer, one point of contact, from idea to launch.

🚀 What I Can Build for You
- Mobile Apps (Android & iOS): One Flutter codebase for both platforms, so you save time and cost
- Websites & Web Apps: Responsive, fast, and SEO-friendly
- Backend & APIs: REST APIs with Node.js, authentication, databases, and Firebase
- App Store Deployment: Publishing to Google Play & Apple App Store
- Maintenance & Upgrades: Bug fixes, performance tuning, and migrating old apps to Flutter

🏆 Why Work With Me
- 7+ years of professional experience working with Gujarat Government, Startups, 0-1 product development.
- Built an app used by 100,000+ users across 8 countries with 99.9% uptime
- Migrated a 50,000+ line enterprise app to Flutter, cutting build time by 35%
- Experience with video calling, live location tracking, video processing, and recommendation feeds
- Technical reviewer for 2 Flutter books (BPB Publications)
- Creator of an open-source Flutter package on pub.dev

🛠️ Tech Stack
Mobile: Flutter, Dart, Kotlin, Swift, Native Android/iOS
Web: Flutter Web, React, JavaScript
Back-end: Node.js, Firebase, REST APIs, GraphQL
Database: SQLite, Hive, Firebase Firestore
Tools: Git, GitHub Actions (CI/CD), Fastlane, Jira

✅ How I Work
1. Understand your idea and goals
2. Plan features, timeline, and a fixed quote
3. Build with regular updates and demos
4. Launch and support after delivery

Clean code, clear communication, and on-time delivery.

📩 Message me with your idea. Let's discuss how I can bring it to life!

Skills

Education

B Tech
- Gujarat Technological University
- June 1, 2014 - June 1, 2018
CourseWork: DSA, OS, DBMS, App Development CGPA: 8.7/10

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