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Inam Ullah K.

Dera Ismail Khan, Pakistan

$15/hr
5.0
5 jobs

๐Ÿš€ Looking for a Native Android Developer who can build, improve, or scale your Android app? I'm Inam Ullah Khan, a Native Android Developer with 3+ years of experience building production-ready Android applications. With a 100% Job Success Score and 5-star client feedback, I help startups and businesses transform ideas into fast, scalable, and user-friendly mobile apps. I specialize in AI-powered apps, E-commerce, Healthcare & Fitness, SaaS, and custom business applications using modern Android technologies. Whether you're launching a new product, upgrading an existing app, integrating Firebase, or preparing for Google Play Store release, I focus on delivering clean architecture, excellent performance, and long-term maintainability. ๐Ÿš€ Core Android Development Services ๐Ÿ“ฑ Native Android App Development ๐Ÿ”น Native Android Development with Kotlin & Java ๐Ÿ”น Android SDK, Jetpack Compose & XML UI ๐Ÿ”น Responsive interfaces for phones and tablets ๐Ÿ”น MVVM & Clean Architecture ๐Ÿ”น Material Design 3 ๐Ÿ”น Coroutines, Flow & LiveData ๐Ÿ”น Custom UI, animations, and smooth user experiences ๐Ÿ”น Android Studio & Git-based development ๐Ÿ”ฅ Backend & API Integration ๐Ÿ”น REST API & GraphQL Integration ๐Ÿ”น Firebase Authentication ๐Ÿ”น Firebase Firestore & Realtime Database ๐Ÿ”น Push Notifications (Firebase Cloud Messaging) ๐Ÿ”น Google Sign-In & Social Authentication ๐Ÿ”น Payment Gateway Integration ๐Ÿ”น Offline data synchronization & caching ๐Ÿค– AI Mobile App Development ๐Ÿ”น OpenAI API Integration ๐Ÿ”น AI Chatbots & Virtual Assistants ๐Ÿ”น Prompt Engineering ๐Ÿ”น AI-powered recommendations and smart features ๐Ÿ“ Maps & Real-Time Features ๐Ÿ”น Google Maps SDK ๐Ÿ”น GPS Tracking ๐Ÿ”น Live Location ๐Ÿ”น Route Navigation ๐Ÿ”น Geofencing ๐Ÿ’พ Database & Networking ๐Ÿ”น Room Database ๐Ÿ”น SQLite ๐Ÿ”น Firebase Database ๐Ÿ”น Retrofit & OkHttp ๐Ÿ”น JSON Parsing ๐Ÿ”น Secure API Communication โšก Performance & Security ๐Ÿ”น Performance Optimization ๐Ÿ”น Memory Optimization ๐Ÿ”น Crash Fixing & Debugging ๐Ÿ”น Secure Authentication ๐Ÿ”น Data Encryption ๐Ÿ”น ProGuard / R8 Code Obfuscation ๐Ÿ”น Google Play Store Release Optimization ๐Ÿ›  Tech Stack Languages Kotlin Java Frameworks & Libraries Android SDK Jetpack Compose Android Jetpack Coroutines Flow Hilt Backend & Database Firebase Retrofit OkHttp Room Database SQLite GraphQL Tools Android Studio Git GitHub Postman โญ Why Clients Choose Me โœ” 100% Job Success Score โœ” Production-ready Android applications โœ” Clean, scalable, and maintainable code โœ” Fast & transparent communication โœ” Daily progress updates โœ” On-time delivery โœ” Long-term support after launch โœ” Focus on performance, reliability, and user experience ๐Ÿ“ฉ Let's Build Your Android App Whether you need a brand-new Android application, AI integration, Firebase backend, API integration, bug fixing, performance optimization, or Google Play Store deployment, I'm ready to help. Send me a message with your project idea, and I'll provide a clear technical plan to turn it into a high-quality Android application.

  • Android App Development
  • App Development
  • Mobile App Development
  • Kotlin
  • Firebase
  • REST API
  • Git
  • Java
  • AI App Development
  • Android SDK
  • Prompt Engineering
  • Android Studio
  • API Integration
  • CI/CD
  • Coroutine
  • Mobile App Design
  • Google Ads
  • Google Maps
  • GitHub
  • Claude
Haikal H.

Sleman, Indonesia

$48/hr
5.0
14 jobs

Reliable web scrapers & data pipelines that turn messy public data into clean, decision-ready datasets โ€” at scale (100K+ records/day). 100% Job Success ยท 5.0โ˜… ยท previously built 100,000+ RPS systems at ByteDance. I help teams collect, clean, and visualize data they can act on โ€” from large-scale scraping to ETL pipelines and interactive dashboards. I care about clarity, reliability, and compliant data collection (robots.txt, ToS, rate limits, rotating proxies). What I deliver โœ… Web & social scraping (public data): Twitter/X, Instagram, YouTube, news, e-commerce โœ… ETL pipelines: cleaning, normalization, deduplication, scheduling, alerting โœ… Dashboards & data-viz: React/TypeScript, ECharts/D3, filters, maps, CSV/PDF export โœ… APIs & integrations: REST, auth, pagination, caching โœ… Deployment & handover: Docker, CI/CD, cron/Airflow, clear docs + maintenance plan Recent results โ€ข Pipelines processing 100K+ records/day across Twitter/IG/YouTube/news for sentiment & NER analysis โ€ข Operated an 8-server HPC cluster โ€” reliability +25%, processing time โˆ’40% โ€ข Distributed scrapers with queueing (RabbitMQ) + monitoring (Grafana/Prometheus), ~99% uptime ๐Ÿงฐ Stack โ€” Python (Scrapy, Playwright, Selenium, BeautifulSoup, Pandas), Node.js, PostgreSQL/MongoDB/Elasticsearch, Airflow/Prefect/Cron, RabbitMQ, Docker, GitHub Actions, GCP/AWS ยท React, TypeScript, Next.js, ECharts/D3. Available for long-term collaboration and one-off projects. Tell me about your data and the decision it needs to drive โ€” I'll propose the simplest reliable approach.

  • CSS 3
  • React
  • JavaScript
  • TypeScript
  • MySQL
  • MongoDB
  • Tailwind CSS
  • Next.js
  • Progressive Web App
  • Vue.js
  • PDF
  • PDF Conversion
  • Python
  • Puppeteer
  • Selenium
Huy T.

Hanoi, Vietnam

$30/hr
4.8
40 jobs

Software Engineer with 10 years of experience building SaaS products, internal platforms, and cloud-native applications. I've worked across startups, outsourcing companies, and large organizations, helping teams build and scale products from early-stage MVPs to production systems serving thousands of users. My experience spans multiple technology stacks, including Node.js, Python, Rust, React, Next.js, PostgreSQL, and AWS. Throughout my career, I've worked with frameworks such as Django, FastAPI, Laravel, Ruby on Rails, and NestJS, allowing me to adapt quickly to different products and engineering environments. Areas where I bring the most value: โœ” Full-stack web application development โœ” Backend systems and API design โœ” Cloud infrastructure and DevOps on AWS โœ” AI-powered applications using OpenAI, Claude, and modern LLM technologies โœ” Workflow automation and system integrations Recent areas of focus: โœ” AI chatbots and copilots โœ” RAG and knowledge-based AI systems โœ” AI agents and workflow automation โœ” Serverless and cloud-native architectures โœ” SaaS product development Core technologies: Node.js, Python, Rust, TypeScript, React, Next.js, PostgreSQL, AWS, Docker, Terraform, OpenAI, Claude, n8n

  • JavaScript
  • React
  • Next.js
  • Python
  • Node.js
  • Ruby
  • Ruby on Rails
  • MySQL
  • Bootstrap
  • Docker
  • Terraform
  • NestJS
  • Amazon Web Services
  • Vue.js
  • Rust
Septian D.

Sukadana, Indonesia

$7/hr
5.0
3 jobs

Software engineer with several years of professional experience specializing in web development. Experienced in designing, developing, and deploying scalable applications and infrastructure. Continuously learning and adapting to emerging technologies to deliver efficient and reliable solutions.

  • Software Localization
  • Linux System Administration
  • Rust
  • C
  • Bash
  • Web Development
  • HTML
  • CSS
  • JavaScript
  • Bootstrap
  • PHP
  • PostgreSQL
  • MySQL
  • SQLite
  • Markdown
Vince S.

Chumukedima, India

$30/hr
5.0
4 jobs

I am a versatile developer with hands-on experience in cybersecurity, software engineering, game development, and AI. I craft clean, scalable code with a focus on performance, security, and maintainability. Whether building systems from scratch or optimizing complex architectures, I adapt fast, think deep, and deliver results.

  • Python
  • Rust
  • JavaScript
  • TypeScript
  • API Development
  • Web Scraping
  • Automation
  • React
  • Linux
  • Performance Optimization
  • Systems Development
  • Software Development
  • Web Development
  • Android App Development
  • Bot Development
  • AI Development
  • Code Refactoring
  • Software Debugging
  • Programming Bug Fix
  • Bug Fix
Tien H.

Ha Noi, Vietnam

$40/hr
5.0
47 jobs

I specialize in Kotlin/Java development with a strong focus on Android and Kotlin Multiplatform (KMP). I build scalable, maintainable, and high-performance applications using modern architectures and best practices. Key Skills & Expertise: - UI Development: Jetpack Compose, Custom Views - Architectures: Clean Architecture, MVVM, MVP, MVC, MVI - Dependency Injection: Dagger 2, Hilt - Networking: REST APIs (JSON, XML, Retrofit/OkHttp) - Social Media Integration: Facebook, Google - In-App Monetization: In-App Billing, Google AdMob - Database Management: SQLite, Room Database - Asynchronous Programming: Coroutines/Flow, RxJava2 - Multiplatform Development: Kotlin Multiplatform (KMP) - Multimedia & Media Player Integration - Version Control: Git - Other Tools & Libraries: A wide range of libraries to optimize app performance ๐Ÿš€ Letโ€™s Build Something Great! Iโ€™m open to discussing your project to see how my skills can bring your ideas to life. Contact me, and letโ€™s make your app a success!

  • Android
  • Android SDK
  • Smack
  • Firebase
  • Native App Development
  • Kotlin
  • XMPP
  • Retrofit
  • JetPack
  • WebRTC
  • Chat & Messaging Software
  • QR & Barcode Scanner
  • Payment Functionality
  • API Integration
  • Business with 10-99 Employees

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