Hi there, Iโm Eman and I have a bachelorโs degree in computer science. I have worked on several projects as a front-end and back-end developer for different companies. For example, I have worked for Loop Ltd, a Jordanian transportation conglomerate that mainly provides taxi services. I have also worked for Focal Points Ltd, a company that provides online classes for children in various topics. As a front-end developer, I have experience in native Android development and Flutter development. As a back-end developer, I have experience in Node.js development and Laravel development. Iโm interested in working for your company because I believe I can contribute to your goals and vision with my skills and passion
Firebase
Mobile App
Flutter
Android App Development
Node.js
MySQL
Java
Dart
JavaScript
C#
PHP
Laravel
Luis Fernando R.
Loveland, Ohio
$35/hr
5.0
10 jobs
๐ TOP RATED | Top 10% Freelancer on Upwork
I build high-quality, production-ready mobile apps for startups, entrepreneurs, and established businesses. From idea โ design โ development โ backend โ payments โ App Store & Google Play submission โ I handle the full mobile lifecycle.
I specialize in mobile app development, including custom iOS apps, Android apps, and Flutter cross-platform apps. If youโre looking to build or scale a full mobile product, I can take it from concept to a store-ready release with clean architecture and fast iteration.
With 100% Job Success, Top Rated status, and experience delivering complete apps from scratch, I focus on reliability, clear communication, and real business results.
What I specialize in
โข ๐ฑ Flutter cross-platform apps (clean UI, scalable architecture, localization, animations)
โข ๐ค Android Native (Kotlin ยท Jetpack Compose)
โข ๐ iOS Native (Swift ยท SwiftUI)
โข โ๏ธ Backend integrations: Node.js, FastAPI, Postgres, AWS RDS, Firebase
โข ๐ณ Payments & monetization: Stripe (Subscriptions, Connect platforms, one-time payments), in-app purchases
โข ๐ Authentication (Google, Apple, email/password, OTP)
โข ๐ฆ Push notifications, deep links, scheduling, background tasks
โข ๐ App publishing (TestFlight, Google Play, certificates, provisioning)
What clients appreciate
โข Fast and clear communication
โข End-to-end delivery (you donโt need multiple developers)
โข Pixel-perfect UI implementation
โข Strong debugging skills โ I fix what others cannot
โข Reliable, long-term collaboration
โข Clean, maintainable code
Availability
โข Available daily
โข Time zone: EST (US Eastern Time)
โข Quick response and consistent updates
๐ฌ Ready to get started? Letโs talk.
Firebase
Flutter
Mobile App
Kotlin
Android App Development
Mobile App Development
Full-Stack Development
Software Development
Google Analytics
Dart
iOS Development
Stripe
Lex K.
Austin, Texas
$75/hr
5.0
9 jobs
I help startups and product teams build or modernize SaaS and mobile products and add AI features to existing software. With 12+ years of experience, I work with React, Node.js, TypeScript, and React Native from architecture through production.
Typical engagements:
โข Full-stack SaaS development and modernization
โข React Native mobile development, performance, and production debugging
โข AI feature integration using local or hosted models, with structured outputs, evaluation, error handling, and streaming UX
โข APIs, authentication, payments, accounting, search, and other third-party integrations
โข Architecture reviews and difficult cross-layer production issues
Relevant experience:
โข First technical hire for a B2B fintech platform, where I helped take customer-facing and admin apps from zero to production, then expanded into Node.js and GCP backend systems, CI/CD, financial workflows, search, and accounting integrations.
โข Lead engineer for a React Native language-learning product that raised $1.2M on Kickstarter and launched publicly on iOS and Android. I owned its initial mobile, backend, data, authentication, and mobile 3D architecture and later led a four-developer team.
โข Primary engineer for a centralized OIDC/BFF identity service used by multiple products, with PKCE, Redis-backed token vaults, session security, and staged rollout.
โข Founder and lead engineer for an internal alpha of a local-first AI-powered application spanning Rust, Tauri, React, local and hosted models, streaming speech, memory, and evaluation.
I stay hands-on while contributing to architecture, implementation, code review, testing, deployment, and clear client communication. I can join a greenfield build, modernize an existing system, or investigate a difficult production problem.
If you need a senior engineer who can take ownership across product and technical boundaries, send me the product context, current stack, and the outcome you need.
Full-Stack Development
React
Node.js
TypeScript
API Integration
React Native
Back-End Development
AI App Development
AI Model Integration
Web Application Development
SaaS Development
Software Architecture & Design
Amazon Web Services
PostgreSQL
Google Cloud Platform
RESTful API
Mobile App Development
JavaScript
Python
Rust
Alexander R.
Phoenix, Arizona
$80/hr
4.8
13 jobs
๐โโ๏ธ I've built quick test versions of apps in just 4 to 6 weeks, launching over 50 that together pulled in $5 million in starting funds.
๐ฌ What Clients said about me:
"Fantastic developer and pleasure to work with. Highly recommend. Alex is a talented developer, adheres to strict deadlines. Certainly a great addition to any development (front or backend) team."
-- Evan Tousey --
"Alex is awesome! He's very quick at finishing tasks, and can deliver exactly what you're looking for. I wish I had more tasks for him to do, and would totally get Alex to work on other tasks. He also started working on the task in advance, and finished way before my timeline. Props to him!"
-- Yannie Tan --
With more than 10 years walking the full path of app-building, I've teamed up with folks from new startups to big established camps. I listen deep to your dream, turn it into a working app that breathes life, and stick around to help it thrive on the market trail.
๐ ๏ธ Here's the toolkit I carry:
- AI Integrations: OpenAI, Cursor, Claude, Sonar, Llama, LLM, Langchain, Generative AI, Agentic AI, Multi-Model, Vector DB,
- Frontend: JavaScript, TypeScript, React.js, MUI, Next.js, HTML, CSS, Tailwind, ShadCN, Flutter, Dart.
- Mobile: React Native, Expo, Flutter, Redux, Zustand, NativeBase, react-navigation, react-native-reanimated.
- Backend: Node.js, Python, Django, Firebase, Supabase.
- UI/UX: Figma, wireframes, prototypes, sharp designs.
- Databases: MySQL, PostgreSQL, MongoDB.
- DevOps/Cloud: AWS, GCP, Vercel, Agile/Jira.
- Agile: Jira, Scrum, Asana, Trello.
- Version Control: Git, GitHub, GitLab, Bitbucket.
Tell me your vision and I'll go beyond with real results you can count. I hit goals and meet deadlines.
Ready to lift your startup like raising a lodge?
๐ฉ Send me a message or invitation, and let's build something amazing together.
--- If you check my profile, I've got open spots right now (Last Updated: Feb 2026)
Keyword:
ARKit, AVKit, ClassKit, CloudKit, ClockKit, Core Bluetooth, Core Data, Core ML, EventKit, GameKit, HealthKit, HomeKit, MapKit, Metal API, PassKit, PushKit, SceneKit, SiriKit, SpriteKit, StoreKit, TVMLKit, UIKit, WatchKit, WebKit, iBeacon, iAd, GLKit, Apple Pay JS, Apple Xcode, SwiftUI, iOS SDK, Instruments, Apple Watch Application, Apple HealthKit, TestFlight, App Store Upload, Swift, Objective-C, Kotlin, Java, Dart, TypeScript, JavaScript, Python, PHP, HTML5, CSS3, React Native, Flutter, FlutterFlow, NativeScript, Angular, AngularJS, Mobile Angular UI, Firebase, AWS Amplify, Retrofit, RxSwift, SwiftyJSON, Dagger, Android Studio, Android SDK, Android NDK, Android Debug Bridge, Gradle, Mapbox, WebRTC, Kendo UI, CodeIgniter, MVC Framework, ARCore, Google Cloud Vision API, Google ML Kit, OpenAI API, ExpressJS, Node.js, GraphQL, RESTful Architecture, LangChain, SQLite, Realm Database, Firebase Realtime Database, Firebase Cloud Firestore, MySQL, MongoDB, Amazon DynamoDB, PostgreSQL, MariaDB, Redis, LevelDB, Android Room Persistence, Push Notifications, In-App Purchases, In-App Advertising, In-App Search, In-App Support, In-App Subscription, Payment Functionality, Payment Gateway Integration, Map Integration, Location-Based Service, Bluetooth, Camera, Microphone, QR & Barcode Scanner, Augmented Reality, Face Detection, Text-to-Speech, Motion Sensor, Click-to-Call, User Authentication, User Profile Creation, Social Media Account Integration, Chat & Messaging, Review or Feedback Collection, Offline Functionality, Application Security, Advanced Analytics, Mobile App Development, iOS Development, Android App Development, Hybrid App Development, Native App Development, AI Mobile App Development, Mobile App Bug Fix, Mobile App Improvement, Mobile App Redesign, Mobile App Testing, Mobile App Localization, Mobile App Development Consultation, App Feature Development, Custom App, iPad App Development, iPhone & iPad Apps, Apple Watch Application, AR Application, AR & VR Applications, VR Application, Ecommerce Functionality, HIPAA, Food Delivery Application, Telemedicine, SaaS, Mobile App Design, UI/UX Prototyping, User Interface Design, User Experience Design, User Flow, Figma, SwiftUI, Material UI, iPhone UI Design, Amazon Web Services, Google Cloud Vision API, Firebase, Node.js, GraphQL, API Development, API Integration, Google Maps API, Git, Agile Software Development, Full-Stack Development, Application Optimization, Application Improvement, Ecommerce, Analytics Dashboard, Flutter developer, Flutter app developer, Android app developer, iOS app developer, Cross-platform mobile developer, Mobile app development, AI mobile app developer, Artificial intelligence app development, Machine learning app integration, Firebase app developer, API integration Flutter, Hybrid app developer, AI solutions for mobile apps, AI app developer, Mobile App Developer, Senior Mobile App Developer, Mobile App Development, Dating App, Flutter Mobile App Development, Education App Developer, Mobile App Developer, Sa
Firebase
Smartphone
Mobile App Development
AI App Development
iOS Development
Android App Development
AI Mobile App Development
Augmented Reality
Full-Stack Development
Web Development
JavaScript
TypeScript
Python
React
React Native
Swift
Kotlin
Flutter
Next.js
Supabase
Zohair H.
Richmind, Texas
$30/hr
5.0
3 jobs
๐ฌ๐ผ๐'๐ฟ๐ฒ ๐ป๐ผ๐ ๐ท๐๐๐ ๐ต๐ถ๐ฟ๐ถ๐ป๐ด ๐ฎ ๐ฑ๐ฒ๐๐ฒ๐น๐ผ๐ฝ๐ฒ๐ฟ, ๐๐ผ๐'๐ฟ๐ฒ ๐๐ป๐น๐ผ๐ฐ๐ธ๐ถ๐ป๐ด ๐ฎ ๐ณ๐๐น๐น-๐๐๐ฎ๐ฐ๐ธ ๐๐ ๐ฐ๐ฎ๐ฝ๐ฎ๐ฏ๐ถ๐น๐ถ๐๐. I deliver end-to-end intelligent products with the speed and firepower of a seasoned engineering operation behind every project.
When a project demands it, ๐ ๐บ๐ผ๐ฏ๐ถ๐น๐ถ๐๐ฒ ๐๐ต๐ฒ ๐ฟ๐ถ๐ด๐ต๐ ๐๐ฝ๐ฒ๐ฐ๐ถ๐ฎ๐น๐ถ๐๐๐, AI engineers, mobile devs, and designers, so your deadline never depends on a single point of failure. You get one accountable lead and the horsepower to match any scope.
As former CTO of LinkedUnion, I shipped AI-driven workforce solutions at scale. ๐ ๐ฏ๐ฟ๐ถ๐ป๐ด ๐๐ต๐ฎ๐ ๐๐ฎ๐บ๐ฒ ๐ฝ๐ฟ๐ผ๐ฑ๐๐ฐ๐ ๐ผ๐๐ป๐ฒ๐ฟ๐๐ต๐ถ๐ฝ ๐ฎ๐ป๐ฑ ๐๐๐ฟ๐ฎ๐๐ฒ๐ด๐ถ๐ฐ ๐ฒ๐ ๐ฒ๐ฐ๐๐๐ถ๐ผ๐ป ๐๐ผ ๐ฒ๐๐ฒ๐ฟ๐ ๐ฒ๐ป๐ด๐ฎ๐ด๐ฒ๐บ๐ฒ๐ป๐, no hand-waving, no shortcuts.
-----------------------------
๐ช๐๐๐ง ๐ ๐๐จ๐๐๐ ๐๐ข๐ฅ ๐ฌ๐ข๐จ
-----------------------------
๐ค ๐๐ & ๐๐ป๐๐ฒ๐น๐น๐ถ๐ด๐ฒ๐ป๐ ๐ฆ๐๐๐๐ฒ๐บ๐
๐๐๐ ๐ถ๐ป๐๐ฒ๐ด๐ฟ๐ฎ๐๐ถ๐ผ๐ป๐, ๐ฅ๐๐ ๐ฝ๐ถ๐ฝ๐ฒ๐น๐ถ๐ป๐ฒ๐, ๐๐ ๐ฎ๐ด๐ฒ๐ป๐๐ built for real users, not just demos. OpenAI / Claude / Gemini APIs, prompt engineering, vector databases (Pinecone, Weaviate), and intelligent automation wired into your product.
โก OpenAI & Claude APIs ยท LangChain / LlamaIndex ยท RAG pipelines ยท AI agents ยท Vector DBs ยท Prompt engineering
๐ป ๐๐๐น๐น ๐ฆ๐๐ฎ๐ฐ๐ธ ๐ช๐ฒ๐ฏ & ๐ ๐ผ๐ฏ๐ถ๐น๐ฒ
๐ฃ๐ฟ๐ผ๐ฑ๐๐ฐ๐๐ถ๐ผ๐ป-๐ด๐ฟ๐ฎ๐ฑ๐ฒ ๐ฝ๐น๐ฎ๐๐ณ๐ผ๐ฟ๐บ๐, ๐๐ฐ๐ฎ๐น๐ฎ๐ฏ๐น๐ฒ ๐๐ฃ๐๐, ๐ฎ๐ป๐ฑ ๐ฐ๐ฟ๐ผ๐๐-๐ฝ๐น๐ฎ๐๐ณ๐ผ๐ฟ๐บ ๐ฎ๐ฝ๐ฝ๐, clean architecture from frontend to cloud, with real-time features and performance baked in from day one.
โก React.js / Next.js ยท Django / FastAPI / Node.js ยท Flutter / React Native ยท PostgreSQL / Firebase ยท AWS / GCP / Docker ยท CI/CD
๐จ ๐จ๐/๐จ๐ซ ๐๐ฒ๐๐ถ๐ด๐ป & ๐ฃ๐ฟ๐ผ๐ฑ๐๐ฐ๐ ๐ง๐ต๐ถ๐ป๐ธ๐ถ๐ป๐ด
๐ ๐ฑ๐ฒ๐๐ถ๐ด๐ป ๐ฎ๐ป๐ฑ ๐ฏ๐๐ถ๐น๐ฑ, nothing is lost in translation between mockup and shipped product. User-centered design that turns complex workflows into clean, intuitive interfaces your users will actually enjoy.
โก Figma & Prototyping ยท Design systems ยท Responsive UI ยท User flow mapping ยท Component libraries
-------------------------------------------
๐ช๐๐ฌ ๐๐๐๐๐ก๐ง๐ฆ ๐๐๐๐ฃ ๐๐ข๐ ๐๐ก๐ ๐๐๐๐
-------------------------------------------
โ ๐๐ฒ๐ฎ๐ฑ๐น๐ถ๐ป๐ฒ-๐ณ๐ถ๐ฟ๐๐ ๐บ๐ถ๐ป๐ฑ๐๐ฒ๐ - I plan for risk, not just the happy path
โ ๐๐ ๐ณ๐น๐๐ฒ๐ป๐ฐ๐ ๐ฎ๐ฐ๐ฟ๐ผ๐๐ ๐๐ต๐ฒ ๐๐๐ฎ๐ฐ๐ธ - not just API calls, but product-grade integration
โ ๐๐๐น๐น ๐ผ๐๐ป๐ฒ๐ฟ๐๐ต๐ถ๐ฝ - from wireframe to production deploy, one point of contact
โ ๐ง๐ฟ๐ฎ๐ป๐๐ฝ๐ฎ๐ฟ๐ฒ๐ป๐ ๐ฎ๐๐๐ป๐ฐ ๐ฐ๐ผ๐บ๐บ๐๐ป๐ถ๐ฐ๐ฎ๐๐ถ๐ผ๐ป - no chasing for updates
โ ๐ฆ๐ฐ๐ฎ๐น๐ฎ๐ฏ๐น๐ฒ ๐ฐ๐ฎ๐ฝ๐ฎ๐ฐ๐ถ๐๐ - the right expertise is always available when your project needs it
โ ๐๐ง๐ข-๐น๐ฒ๐๐ฒ๐น ๐๐๐ฟ๐ฎ๐๐ฒ๐ด๐ถ๐ฐ ๐๐ต๐ถ๐ป๐ธ๐ถ๐ป๐ด - when scoping your product, I think like an owner
----------------------
๐ฃ๐ฅ๐ข๐ฉ๐๐ก ๐ฅ๐๐ฆ๐จ๐๐ง๐ฆ
----------------------
โก ๐๐๐ถ๐น๐ ๐ฎ๐ป๐ฑ ๐๐ต๐ถ๐ฝ๐ฝ๐ฒ๐ฑ ๐ฎ๐ป ๐๐-๐ฑ๐ฟ๐ถ๐๐ฒ๐ป ๐๐ผ๐ฟ๐ธ๐ณ๐ผ๐ฟ๐ฐ๐ฒ ๐ฒ๐ป๐ด๐ฎ๐ด๐ฒ๐บ๐ฒ๐ป๐ ๐ฝ๐น๐ฎ๐๐ณ๐ผ๐ฟ๐บ ๐ฎ๐ ๐๐ง๐ข at LinkedUnion, improving team collaboration and productivity at scale.
โก ๐๐ฒ๐น๐ถ๐๐ฒ๐ฟ๐ฒ๐ฑ ๐ต๐ถ๐ด๐ต-๐๐ฟ๐ฎ๐ณ๐ณ๐ถ๐ฐ ๐๐ฒ๐ฏ ๐ฝ๐น๐ฎ๐๐ณ๐ผ๐ฟ๐บ๐ in React, Django, and Next.js with performance-optimized rendering and modern component-driven UI.
โก ๐ฆ๐ต๐ถ๐ฝ๐ฝ๐ฒ๐ฑ ๐ฐ๐ฟ๐ผ๐๐-๐ฝ๐น๐ฎ๐๐ณ๐ผ๐ฟ๐บ ๐บ๐ผ๐ฏ๐ถ๐น๐ฒ ๐ฎ๐ฝ๐ฝ๐ with offline sync, push notifications, and full app store deployment across iOS and Android.
โก ๐๐ฟ๐ฐ๐ต๐ถ๐๐ฒ๐ฐ๐๐ฒ๐ฑ ๐๐ฒ๐ฟ๐ผ-๐ฑ๐ผ๐๐ป๐๐ถ๐บ๐ฒ ๐๐/๐๐ ๐ฝ๐ถ๐ฝ๐ฒ๐น๐ถ๐ป๐ฒ๐ with Docker containerization and Datadog monitoring across multiple production environments.
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๐ฅ๐ฒ๐ฎ๐ฑ๐ ๐๐ผ ๐ฏ๐ฟ๐ถ๐ป๐ด ๐๐ผ๐๐ฟ ๐๐ ๐ผ๐ฟ ๐๐ผ๐ณ๐๐๐ฎ๐ฟ๐ฒ ๐ฝ๐ฟ๐ผ๐ฑ๐๐ฐ๐ ๐๐ผ ๐น๐ถ๐ณ๐ฒ?
Message me, I respond within hours, not days. Let's scope it together.
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Firebase
Artificial Intelligence
Large Language Model
OpenAI API
REST API
Full-Stack Development
AWS Development
Mobile App Development
LangChain
Django
React Native
React
Python
PostgreSQL
DevOps
Next.js
iOS
Flutter
UX & UI Design
MySQL
Adil H.
Aldie, Virginia
$80/hr
5.0
48 jobs
Mobile App Developer and React Native Developer focused on building high-quality iOS and Android apps for startups and growing businesses.
I help founders and teams launch new mobile apps, improve existing products, fix performance issues, and ship features faster using React Native, Flutter, Swift, and native Android technologies.
If youโre hiring because you need certainty (not โhoursโ), hereโs what you get:
โ A clear build plan (milestones, scope, timeline, risks) before we start
โ App Store-ready delivery (builds, signing, TestFlight, Play Console)
โ Scalable code (TypeScript/Dart patterns, modular structure, maintainable UI)
๐ช๐ต๐ฎ๐ ๐ ๐ฏ๐๐ถ๐น๐ฑ (๐ฎ๐ป๐ฑ ๐๐ต๐ฎ๐ ๐โ๐บ ๐๐ฒ๐ฎ๐ฟ๐ฐ๐ต๐ฒ๐ฑ ๐ณ๐ผ๐ฟ):
โข React Native App Development (TypeScript, Expo, native modules when needed)
โข Flutter App Development (Dart, pixel-perfect UI, smooth animations)
โข iOS Developer work (Swift / SwiftUI) for native features & performance
โข Android (Kotlin) for platform-specific modules
โข Firebase backend (Auth, Firestore, Cloud Functions, Push Notifications)
โข Payments (Stripe), Maps, Chat, Real-time + Offline Sync
๐ฃ๐ฟ๐ผ๐ผ๐ณ & ๐ฑ๐ฒ๐น๐ถ๐๐ฒ๐ฟ๐ ๐๐๐๐น๐ฒ:
โข 100% JSS | $100K+ earned | 4000+ hours | 34+ projects
โข Figma โ working app with matching UI, responsiveness, and edge cases covered
โข Regular updates + clean documentation so youโre never guessing progress
If you need a mobile developer who can take ownership and move fast without creating chaos, send me a message with your app details.
Firebase
Mobile App Development
React Native
Flutter
iOS Development
Swift
Android App Development
Android
iOS
Expo.io
TypeScript
App Development
Mobile App
Dart
AI Mobile App Development
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