🚀 Passionate Software Developer with expertise in Android Development, AI, and Problem-Solving.
💡 Strong background in DSA, real-time data handling, and scalable applications.
🏆 Smart India Hackathon Finalist | Solved 1000+ DSA problems in C++.

📩 Email: vishaldangi01x@gmail.com
💼 LinkedIn

📊 Leetcode: Profile
📊 GeeksForGeeks: Profile
📱 Findr: Play Store

As a passionate developer, I specialize in Android development, system-level problem solving, and cloud-integrated solutions, with a strong command over both frontend architecture and backend fundamentals.

• Proficient: Kotlin, C++, C
• Working Knowledge: Java, Basic Spring Boot (REST APIs, Auth, MVC)
• Scripting & Data Handling: Python (for ML/Analytics)

• UI & Frameworks: Jetpack Compose, XML, Material 3
• Architectures: MVVM, Clean Architecture, Hilt DI
• State Management: ViewModel, LiveData, Kotlin Flow
• Background Tasks: WorkManager, AlarmManager, BroadcastReceiver
• Core Features: Realtime Chat, Audio/Video Calls (WebRTC), Push Notifications, Location Services, Deep Linking

• REST API Development: Retrofit, Firebase Functions, Spring Boot (Basics)
• Authentication & Security: Firebase Auth, Token-based Auth, AES-256, Signal Protocol (E2E Encryption)
• Realtime & Communication: FCM, Stream Chat API, WebRTC

• Google SDKs: Maps SDK, GeoFire, Directions API, Geofencing
• Use Cases: Live Tracking, Route Optimization, Location-based Networking

• Local Storage: Room DB, SQLite, SharedPreferences
• Cloud Databases: Firebase Firestore, Realtime DB, MySQL
• Cloud & DevOps: Firebase Suite, AWS (Basic), Cloudinary
• Version Control: Git, GitHub, GitHub Actions (CI/CD)

• Libraries: Scikit-learn, NumPy, Pandas, Matplotlib
• Projects: AQI Prediction, Auto-Reply Intent Classification, Recommender Systems (Basic)

🔗 GitHub • 📱 Play Store
🔹 Built a location-based networking platform enabling users to discover nearby professionals using role-based geofencing — gained 450+ active users.
🔹 Created a collaborative post board for idea sharing, team discovery, and discussions — 65+ real-time listings.
🔹 Integrated secure messaging, push notifications, and dynamic profile filtering — boosted engagement by 40%.
🔹 Used Room, Retrofit, FCM, and Firebase to ensure offline support and real-time communication.

🔹 Built a smart messaging app using AI-based auto-reply & scheduling.
🔹 End-to-End Encryption using Single Protocol. 🔹 Utilized WebRTC for making Video/Voice call. 🔹 AI assistant with 93.4% accuracy for chat auto-replies.

🔹 Real-time employee tracking using GeoFire & Google Maps SDK.
🔹 Integrated Directions API for route visualization and tracking.
🔹 Separate Admin & Employee Login system.

🔹 Secure authentication & real-time inventory updates via Firebase & Retrofit.
🔹 MVVM + Dagger Hilt for better scalability.
🔹 Increased transaction efficiency by 20%.

🔹 Developed an AQI calculation & prediction model using Machine Learning.
🔹 Preventive measures for air quality alerts based on real-time data.

🏅 Smart India Hackathon 2024 Finalist
🏅 Leetcode Rating: 1702 | GeeksForGeeks Rating: 1802
🏅 Solved 1000+ DSA problems in C++

⚡ Fun Fact: I enjoy solving complex algorithms and building optimized, user-friendly applications!

🔗 LinkedIn
🔗 GitHub
📩 Email: vishaldangi01x@gmail.com

⭐ Feel free to explore my projects and drop a star if you find them useful! ⭐