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$20/hr
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🚀 𝗘𝘅𝗽𝗲𝗿𝘁 𝗶𝗢𝗦 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 | 𝗦𝘄𝗶𝗳𝘁, 𝗦𝘄𝗶𝗳𝘁𝗨𝗜, 𝗨𝗜𝗞𝗶𝘁 | 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗔𝗽𝗽𝘀 𝗧𝗵𝗮𝘁 𝗜𝗺𝗽𝗿𝗲𝘀𝘀
𝗣𝗮𝘀𝘀𝗶𝗼𝗻. 𝗣𝗿𝗲𝗰𝗶𝘀𝗶𝗼𝗻. 𝗧𝗿𝘂𝘀𝘁. 𝗥𝗲𝘀𝘂𝗹𝘁𝘀. That’s how I work with every client.
I help startups, entrepreneurs, and businesses design, develop, and launch 𝘄𝗼𝗿𝗹𝗱-𝗰𝗹𝗮𝘀𝘀 𝗶𝗢𝗦, 𝗶𝗣𝗮𝗱𝗢𝗦, 𝗮𝗻𝗱 𝘄𝗮𝘁𝗰𝗵𝗢𝗦 𝗮𝗽𝗽𝘀 that not only look beautiful but also perform flawlessly at scale. With 𝟰+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗵𝗮𝗻𝗱𝘀-𝗼𝗻 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 and apps live on the App Store, I bring both 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗱𝗲𝗽𝘁𝗵 and a 𝗽𝗿𝗼𝗱𝘂𝗰𝘁-𝗳𝗼𝗰𝘂𝘀𝗲𝗱 𝗺𝗶𝗻𝗱𝘀𝗲𝘁 to every project.
Unlike many developers who “just code,” I focus on:
* 𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲 → clean, scalable, maintainable codebases
* 𝗗𝗲𝘀𝗶𝗴𝗻 → pixel-perfect UI that follows Apple’s Human Interface Guidelines
* 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 → apps that are fast, stable, and crash-free
* 𝗣𝗿𝗼𝗱𝘂𝗰𝘁 𝘀𝘂𝗰𝗰𝗲𝘀𝘀 → guiding your app from MVP to growth stage
---
📌 𝗞𝗲𝘆 𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀
* 🚀 Delivered 𝗺𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝗮𝗽𝗽𝘀 𝗳𝗲𝗮𝘁𝘂𝗿𝗲𝗱 𝗼𝗻 𝘁𝗵𝗲 𝗔𝗽𝗽 𝗦𝘁𝗼𝗿𝗲
* ✈️ Built 𝗟𝗮𝘆𝗼𝘃𝗲𝗿 𝗣𝗹𝗮𝘆𝗼𝘃𝗲𝗿, a unique social travel app connecting flyers
* 🎥 Developed 𝗪𝗮𝘁𝗰𝗵 𝗛𝗼𝗿𝘀𝗲 𝗧𝗩, a global streaming app for horse lovers
* 🌍 Created 𝗕𝘂𝗶𝗹𝗱 𝗛𝗲𝗿 𝗪𝗼𝗿𝗹𝗱, a lifestyle & empowerment platform
* 🛠 Helped clients 𝗳𝗶𝘅 𝗰𝗿𝗶𝘁𝗶𝗰𝗮𝗹 𝗰𝗿𝗮𝘀𝗵𝗲𝘀, 𝘀𝗰𝗮𝗹𝗲 𝗮𝗽𝗽𝘀, 𝗮𝗻𝗱 𝗶𝗺𝗽𝗿𝗼𝘃𝗲 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲
---
🔑 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲
𝗟𝗮𝗻𝗴𝘂𝗮𝗴𝗲𝘀 & 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀
✔ Swift, SwiftUI, UIKit, Objective-C
𝗔𝗿𝗰𝗵𝗶𝘁𝗲𝗰𝘁𝘂𝗿𝗲𝘀 & 𝗣𝗮𝘁𝘁𝗲𝗿𝗻𝘀
✔ MVVM, MVC, Protocol-Oriented Programming
𝗖𝗼𝗿𝗲 𝗶𝗢𝗦 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁
✔ iOS, iPadOS, watchOS app development
✔ Core Data, Realm, Firebase, REST API integration
✔ Deep linking, push notifications, in-app subscriptions
✔ Debugging & crash fixing with Instruments
✔ Smooth animations & interactive UI
✔ App Store submission & compliance
𝗘𝘅𝘁𝗿𝗮 𝗦𝗸𝗶𝗹𝗹𝘀 𝗧𝗵𝗮𝘁 𝗔𝗱𝗱 𝗩𝗮𝗹𝘂𝗲
✔ Performance optimization for speed & battery life
✔ Legacy code refactoring & crash resolution
✔ Third-party SDK integrations (payments, analytics, ads, IoT)
✔ Secure authentication (OAuth2, Apple/Google Sign-In, social logins)
---
🛠 𝗧𝗼𝗼𝗹𝘀 𝗜 𝗨𝘀𝗲 (𝗙𝗼𝗿 𝗦𝗲𝗮𝗺𝗹𝗲𝘀𝘀 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁)
* 𝗫𝗰𝗼𝗱𝗲 → Apple’s official IDE for iOS development
* 𝗚𝗶𝘁 & 𝗚𝗶𝘁𝗛𝘂𝗯/𝗚𝗶𝘁𝗟𝗮𝗯/𝗕𝗶𝘁𝗯𝘂𝗰𝗸𝗲𝘁 → Version control & collaboration
* 𝗖𝗜/𝗖𝗗 → Automated testing, builds, and deployments
* 𝗝𝗶𝗿𝗮 & 𝗖𝗼𝗻𝗳𝗹𝘂𝗲𝗻𝗰𝗲 → Agile project management & team collaboration
* 𝗙𝗶𝗿𝗲𝗯𝗮𝘀𝗲 𝗖𝗿𝗮𝘀𝗵𝗹𝘆𝘁𝗶𝗰𝘀 & 𝗜𝗻𝘀𝘁𝗿𝘂𝗺𝗲𝗻𝘁𝘀 → Monitoring, debugging, crash analytics
* 𝗙𝗶𝗴𝗺𝗮, 𝗭𝗲𝗽𝗹𝗶𝗻 → UI/UX collaboration with designers
---
## 🎯 𝗨𝗻𝗶𝗾𝘂𝗲 𝗦𝗲𝗹𝗹𝗶𝗻𝗴 𝗣𝗼𝗶𝗻𝘁𝘀 (𝗨𝗦𝗣)
💡 𝗕𝘂𝗴 𝗙𝗶𝘅𝗶𝗻𝗴 𝗘𝘅𝗽𝗲𝗿𝘁 – I specialize in finding and resolving crashes that frustrate users
📈 𝗦𝗰𝗮𝗹𝗶𝗻𝗴 𝗔𝗽𝗽𝘀 – I optimize architecture so your app grows without performance issues
🎨 𝗣𝗶𝘅𝗲𝗹-𝗣𝗲𝗿𝗳𝗲𝗰𝘁 𝗨𝗜/𝗨𝗫 – I deliver interfaces that feel truly “Apple standard”
⚡ 𝗙𝗮𝘀𝘁 & 𝗥𝗲𝗹𝗶𝗮𝗯𝗹𝗲 – You’ll always get clear updates, fast delivery, and no delays
🔒 𝗦𝗲𝗰𝘂𝗿𝗶𝘁𝘆 𝗙𝗶𝗿𝘀𝘁 – Secure data handling, encryption, and API integrations are non-negotiable
---
🏆 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲
* 𝗙𝗮𝘀𝘁 & 𝗖𝗹𝗲𝗮𝗿 𝗖𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 → No guesswork, always in sync
* 𝗖𝗹𝗲𝗮𝗻, 𝗦𝗰𝗮𝗹𝗮𝗯𝗹𝗲 𝗖𝗼𝗱𝗲 → Maintainable apps ready for long-term growth
* 𝗢𝗻-𝗧𝗶𝗺𝗲 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝘆 → Respecting deadlines is part of my workflow
* 𝗣𝗼𝘀𝘁-𝗟𝗮𝘂𝗻𝗰𝗵 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 → Updates, new features, and bug fixes after release
* 𝗨𝘀𝗲𝗿-𝗙𝗼𝗰𝘂𝘀𝗲𝗱 𝗠𝗶𝗻𝗱𝘀𝗲𝘁 → Apps that users 𝗲𝗻𝗷𝗼𝘆 and businesses 𝗯𝗲𝗻𝗲𝗳𝗶𝘁 from
---
🌍 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜’𝘃𝗲 𝗪𝗼𝗿𝗸𝗲𝗱 𝗜𝗻
✔ Travel & Lifestyle (Layover Playover, Build Her World)
✔ Media & Entertainment (Watch Horse TV)
✔ SaaS & Productivity Tools
✔ Health & Wellness Apps
✔ Subscription-based Mobile Platforms
---
🚀 𝗠𝘆 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗣𝗿𝗼𝗰𝗲𝘀𝘀
1️⃣ 𝗗𝗶𝘀𝗰𝗼𝘃𝗲𝗿𝘆 & 𝗣𝗹𝗮𝗻𝗻𝗶𝗻𝗴 → Understanding your goals & defining the roadmap
2️⃣ 𝗨𝗜/𝗨𝗫 𝗔𝗹𝗶𝗴𝗻𝗺𝗲𝗻𝘁 → Translating designs into interactive, Apple-standard interfaces
3️⃣ 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 & 𝗧𝗲𝘀𝘁𝗶𝗻𝗴 → Writing scalable, high-performance code
4️⃣ 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 & 𝗗𝗲𝗯𝘂𝗴𝗴𝗶𝗻𝗴 → Ensuring crash-free, smooth user experience
5️⃣ 𝗟𝗮𝘂𝗻𝗰𝗵 & 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 → App Store release + continuous improvements
---
💡 Whether you need a 𝗻𝗲𝘄 𝗶𝗢𝗦 𝗮𝗽𝗽 𝗳𝗿𝗼𝗺 𝘀𝗰𝗿𝗮𝘁𝗰𝗵, want to 𝗳𝗶𝘅 𝗰𝗿𝗶𝘁𝗶𝗰𝗮𝗹 𝗯𝘂𝗴𝘀, or plan to 𝘀𝗰𝗮𝗹𝗲 𝘆𝗼𝘂𝗿 𝗲𝘅𝗶𝘀𝘁𝗶𝗻𝗴 𝗮𝗽𝗽, I’m here to help. I bring both engineering expertise and a product mindset that ensures your app succeeds in the real world.
Kashif A.
has worked
.
$16/hr
100%
Job Success
$300K+ earned
Available now
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Are you looking for a Mobile app developer who can design and develop your app for the next millions of users?
ARE YOU
- Looking for a mobile app development service starting from the design, development to release and publish a mobile app to Play Store and App Store for mobile app users/customers.
- Looking for a mobile app developer who can integrate new features into your existing Android app, iOS app or Flutter app based projects?
- Individual | Big company | Startup who wants to build and create Android app or iOS app from scratch?
- Looking for a mobile app developer who can transform your idea into reality?
- Someone who invests in the best so you get better results?
If any of that is what you need, message me and I am here to help you.
Who am I?
- I'm Sagarkumar Surani, a Senior Mobile App Developer with 10+ years of experience and a Master’s degree in Computer Science and Engineering.
- I worked with big brands, startups and individuals to create mobile apps for their requirements. My work also got featured a few times in the market store. Apps developed by me have 100 million+ downloads on store and users love to keep the app on their phone as a permanent app.
- I’ve worked with clients from over 40 countries, such as the USA, UK, Germany, India, and Australia, which has given me a strong understanding of different international markets. My experience covers a variety of industries, including Travel and Tourism, train ticket booking, transport, educational, hospitality, health & wellness, real estate, live streaming, Marketplace, food & delivery, human resources, fitness, financial & banking sectors, e-commerce, dating, sports, Betting, music/audio, and automotive.
I specialize in these high-quality Mobile App Design and Development areas:
- Android app development
- Kotlin, Java, Android SDK, Android Studio
- iPhone app development
- Swift, SwiftUI, Objective C, iOS SDK, Xcode
- Backend Development | Node.js
- Cross Platform Mobile App Development using Flutter, Dart
- UI/UX: Mobile design
- Mobile & Web app design
- UX/UI design
- Landing page design
Skills :
- Have experience developing, releasing & maintaining applications as a Mobile app developer
- Strong skills in executing pixel & animation perfect UI's relative to good app performance
- Have great communication skills and ability to work with your team
- Have a great understanding of MVC, MVP, MVVM and take great care to ensure each project is well-architecture with best practices and easily maintainable so it can be enhanced as feature grows.
- The ability to take initiative and work independently with very little supervision
- Application requirement analysis
- Translating requirements to technical languages
In addition to Mobile app development services, my topic areas of expertise include:
- Mobile Application Architect
- Native Mobile Application Development consultation
- Mobile Application UI/UX design using Figma, Adobe XD
- Mobile Application backend services Firebase, AWS Mobile Hub
- Mobile Application backend development: Node, Express, TypeScript, JavaScript, MongoDB, MySQL, PHP, RESTful API development, Google App Engine
- Website development, Web Scraping, Web Admin Panel, CMS Development
- Chatbot development, Facebook Messenger
If you still think this is right for you, contact me.
Thank you in advance for your time and consideration.
Kind Regards
Sagarkumar Surani
P.S.
- When you work with me your satisfaction is 100% guaranteed.
- Every person who ever worked with me got results. EVER!
- Even if you don’t hire me now, keep my profile link in case you need a Mobile App Developer later.
FAQ
Q: Can you provide maintenance support after development?
A: Yes, I provide free of cost maintenance support for 12 months after mobile app development.
Q: Can you help with Mobile app design?
A: Yes, I offer a Mobile app UX design as an additional service.
Q: Can you help with the landing page website for my mobile app product?
A: Yes, I can help to build the landing page for a mobile app product.
Warmly,
Sagarkumar Surani
-----------------------------------------------------
Native Android App Developer, iOS App Developer, Cross-Platform Flutter App Developer, Top Flutter Developer, React Native, Hire Best MERN Stack Developer, RESTful API Developer, API Integration, Frontend Developer, React.js, Backend Developer, Nodejs, Javascript, Figma, UI/UX Design, Prototype, In-app purchases, Location, Payment Gateway Integration, Apple Xcode, Android Studio, Push notifications, User authentication, User profile creation, QA, Unit Testing, Regression Testing, Dating App, Ecommerce App, RevenueCat, Adapty, 3rd Party SDK Integration, SQLite, MySQL, Firebase Cloud Firestore, Realtime Database, Kotlin, Swift, Java, Dart, SwiftUI, Twilio, Mapbox, HealthKit, Google Analytics, Amazon Web Services, DigitalOcean, Core Data, UIKit, MapKit, Phone, Full Stack Developer, iPad, OpenAI ChatGPT LLM, ChatGPT API Integration
.
Sagarkumar S.
has worked
.
$20/hr
100%
Job Success
$900+ earned
Start of list.
End of list.
I’m a skilled Mobile Apps Developer with over 3 years of experience in native iOS development and Android development, including building modern iOS apps with SwiftUI. I’ve worked on creating, publishing, and maintaining mobile applications, with hands-on experience using GitHub, App Store Connect, and Google Play Console.
In addition to mobile development, I’ve built and deployed backend services on Linux servers and worked with REST APIs and databases. I’m also experienced with CI/CD systems, automating build, testing, and deployment workflows.
I’m a fast learner with a strong foundation in software development. I’ve completed courses on algorithm optimization and continue to expand my knowledge by exploring new technologies and development practices. Passionate about clean, efficient code and building products that make an impact.
Dmytro V.
has worked
.
$29/hr
100%
Job Success
$100 earned
Available now
Start of list.
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I’m a senior mobile app developer with 10+ years of experience building high-quality, scalable applications for iOS and Android. I specialise in native iOS development (Swift, SwiftUI), native Android development (Kotlin, Java), and cross-platform apps using Flutter (Dart). My focus is on delivering fast, intuitive, and reliable apps with an excellent user experience across all platforms.
I’ve successfully delivered 50+ mobile applications to the Apple App Store and Google Play Store, working with clients worldwide. My experience spans multiple industries, including finance, healthcare, e-commerce, social media, and travel. I manage the entire development lifecycle, from idea validation and UI/UX design to development, testing, and final store deployment, ensuring smooth and successful launches.
________________________________________
Technical Expertise
• Native iOS development (Swift, SwiftUI)
• Native Android development (Kotlin, Java)
• Cross-platform development using Flutter (Dart)
• Firebase (Auth, Firestore, Cloud Functions, FCM)
• Real-time features, push notifications, and authentication
• RESTful & GraphQL API integration
• Third-party SDKs (payments, maps, analytics, social logins)
• Architectures: MVC, MVVM, Clean Architecture
• Scalable, maintainable, and performance-optimised code
________________________________________
As a full-cycle developer, I design intuitive user interfaces, write clean and efficient code, and perform thorough QA testing. I follow SOLID principles and clean architecture to ensure long-term maintainability, high performance, and scalability. I also optimise apps for speed, memory usage, and stability, even as user demand grows. I guide clients through App Store and Google Play deployment, ensuring full compliance with platform guidelines.
________________________________________
How I Work
• Professional, reliable, and transparent communication
• Close collaboration at every project stage
• Regular progress updates and feedback cycles
• Experience with startups, agencies, and enterprises
• Flexible with workflows and team structures
• Strong commitment to deadlines and budgets
• Long-term partnership mindset focused on trust and quality
________________________________________
If you’re looking to build a high-quality mobile app that delivers real business value.
let’s discuss your project and bring your vision to life.
$14/hr
100%
Job Success
Available now
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✅Top Rated Plus
✅10+ Years of Experience
✅100% Job success score
I am Sagarkumar , a Senior Mobile and Web App Developer with 10+ years of experience in Mobile and Web application Development
I have worked with big brands, startups and individuals to create mobile apps for their requirements. I have worked on more than 200+ projects successfully. Many of my developed apps featured in app-store and play-store
I have worked with clients from all over the world , such as the USA, UK, Germany, India, and Australia, which has given me a strong understanding of different international markets.
I have worked with different Industries including Travel and Tourism, train ticket booking, transport, educational, hospitality, health & wellness, real estate, live streaming, Marketplace, food & delivery, human resources, fitness, financial & banking sectors, e-commerce, dating, sports, Betting, music/audio, and automotive.
I specialized in these high-quality Mobile App Design and Development areas:
- Android app development
- Kotlin, Java, Android SDK, Android Studio
- iPhone app development
- Swift, SwiftUI, Objective C, iOS SDK, Xcode
- Backend Development | Node.js
- Cross Platform Mobile App Development using Flutter, Dart
- UI/UX: Mobile design
- Mobile & Web app design
- UX/UI design
Web applications:
Backend Technologies: Node.js, Nest.js, TypeScript, JavaScript, Express.js, AWS, MongoDB
Frontend Technologies: React, Flutter, HTML, CSS
Database Management: MySQL, PostgreSQL, JSON, Database Schema Design
Architectural Patterns: MVC, Event-Driven Architecture, Serverless Architecture, Clean Architecture, GraphQL
Web Services & APIs: RESTful API development, Firebase Cloud Messaging, In-App Purchase Integration
Code Optimization: Performance tuning, Design patterns, Material Design, Custom UI Elements, Animation
Cloud Services: Firebase Analytics, Database, Storage, Hosting, Crash Reporting, AWS, DigitalOcean
Social Integrations: Facebook, Twitter, Google SDK
Skills :
- Have experience developing, releasing & maintaining applications as a Mobile app developer
- Strong skills in executing pixel & animation perfect UI's relative to good app performance
- Have great communication skills and ability to work with your team
- Have a great understanding of MVC, MVP, MVVM and take great care to ensure each project is well-architecture with best practices and easily maintainable so it can be enhanced as feature grows.
- The ability to take initiative and work independently with very little supervision
- Application requirement analysis
- Translating requirements to technical languages
In addition to Mobile app development services, my topic areas of expertise include:
- Mobile Application Architect
- Native Mobile Application Development consultation
- Mobile Application UI/UX design using Figma, Adobe XD
- Mobile Application backend services Firebase, AWS Mobile Hub
- Mobile Application backend development: Node, Express, TypeScript, JavaScript, MongoDB, MySQL, PHP, RESTful API development, Google App Engine
- Website development, Web Scraping, Web Admin Panel, CMS Development
- Chatbot development, Facebook Messenger
Additional:
-Alamofire, SDWebImage, Cocoapods, SQLite, Core Data,
Project Management tools:
- Jira, Asana, Trello, Clickup
If you still think this is right for you, contact me.
Thank you in advance for your time and consideration.
P.S.
- When you work with me your satisfaction is 100% guaranteed.
- Every person who ever worked with me got results. EVER!
- Even if you don’t hire me now, keep my profile link in case you need a Mobile App Developer later.
FAQ
Can you provide maintenance support after development?
Yes, I provide free of cost maintenance support for 3 months after mobile app development.
Can you help with Design?
Yes, I offer a UX design as an additional service.
Can you help with the landing page website for my mobile app product?
• ⁃ Yes, I can help to build the landing page for a mobile app product.
Sagarkumar R.
has worked
.
$25/hr
100%
Job Success
$20K+ earned
Available now
Start of list.
End of list.
I’m a Senior iOS Developer with 7+ years of experience building high-performance, scalable, and App Store-ready applications. I specialize in developing native iOS applications using Swift, SwiftUI, and UIKit, with a strong focus on clean architecture, exceptional user experience, and long-term maintainability.
Over the years, I have successfully delivered applications across fintech, healthcare, fitness, social networking, AI-powered platforms, media streaming, document management, and subscription-based products. From MVP development to enterprise-grade solutions, I help businesses transform ideas into polished and reliable iOS applications.
I take ownership of the entire development lifecycle from planning and architecture to deployment and post-launch support ensuring every app meets Apple's standards and delivers a seamless user experience.
💡 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞
✅ Native iOS Development (Swift, SwiftUI, UIKit, Objective-C)
✅ AI Integration (OpenAI, Claude, ChatGPT)
✅ Real-Time Audio & Video Streaming
✅ Video Editing & Media Processing Applications
✅ BLE & IoT Device Integration
✅ OCR, Document Scanning & PDF Management
✅ Maps & Location-Based Applications
✅ Firebase, AWS & Backend Integrations
✅ Subscription & In-App Purchase Systems
✅ Performance Optimization & Memory Management
✅ App Store Submission & Approval Support
🧠 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐒𝐤𝐢𝐥𝐥𝐬
• Swift, SwiftUI, UIKit, Combine
• AVFoundation, Vision Framework, CoreML
• Firebase, AWS, REST APIs, WebSockets
• RevenueCat, Superwall, StoreKit
• CoreData, SwiftData, Realm
• Google Maps, MapKit, CoreLocation
• BLE, CoreBluetooth, IoT Connectivity
• Push Notifications, Authentication & Security
• GitHub, GitLab, Bitbucket, CI/CD
📱 𝐓𝐲𝐩𝐞𝐬 𝐨𝐟 𝐀𝐩𝐩𝐬 𝐈 𝐁𝐮𝐢𝐥𝐝
• AI-Powered Applications
• Fintech & Payment Solutions
• Healthcare & Wellness Apps
• Fitness & Sports Applications
• Video Streaming Platforms
• Document Scanner & OCR Apps
• Social Networking Applications
• Marketplace & E-Commerce Apps
• SaaS Mobile Applications
• Enterprise Business Solutions
🌟 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞
✔ 7+ Years of Professional iOS Development Experience
✔ Clean, Scalable & Maintainable Code
✔ Pixel-Perfect UI Implementation from Figma
✔ Strong Problem-Solving & Architecture Skills
✔ Reliable Communication & Fast Response Time
✔ End-to-End Product Development Support
✔ Extensive App Store Release Experience
🔧 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐏𝐫𝐨𝐜𝐞𝐬𝐬
1️⃣ Requirement Analysis & Technical Planning
2️⃣ UI/UX Implementation
3️⃣ Scalable App Development
4️⃣ Testing & Quality Assurance
5️⃣ App Store Deployment
6️⃣ Post-Launch Support & Maintenance
📅 𝐀𝐯𝐚𝐢𝐥𝐚𝐛𝐢𝐥𝐢𝐭𝐲
⏰ 40+ Hours Per Week
🤝 Long-Term & Short-Term Projects
💬 Dedicated and Reliable Communication
🌍 Flexible with Time Zones
📩 If you're looking for an experienced iOS developer who can build secure, scalable, and user-friendly applications, I'd be happy to discuss your project and help bring your vision to life.
Lax R.
has worked
.
Pakistan
$25/hr
100%
Job Success
$10K+ earned
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Looking for someone who can help you to grow your business by providing IOS solutions to your business? Then you are on right place
Why me?
• 5+ years of experience in native iOS development
• can implement the project of any size and complexity
• provide A+ quality solutions
What you get when working with me:
✅ Clean code. I follow SOLID, DRY, KISS principle and Swift guidelines
✅ Easy to scale project.
✅ Easy to understand project.
✅ Project management at JIRA, Trello or your chosen system.
✅ Project development following git-flow methodology.
✅ Consultations about UI/UX and business logic in your iOS/macOS product.
Also, I have published articles and open-source projects which you'll find interesting for checking.
Are you looking for a top-level software engineer for your project?
Let’s chat!
Ahsan K.
has worked
.
$20/hr
$200 earned
Available now
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Are you looking for a Senior iOS Developer who can build modern, reliable apps—and also clean up messy codebases? 👋🛠️
I’m Edson Salmeron, a Computer Engineer and iOS developer with 11+ years working with Swift / Objective-C (including 6 years professional + 5 years freelance).
I specialize in scalable iOS architecture (MVP / MVVM / VIPER), Combine, RESTful API integrations, and real-time features (WebSockets)—with a strong focus on performance, stability, and maintainability.
Currently, I work as a Senior iOS Developer at Apptegy, contributing to large production apps where I build features, maintain custom libraries, and integrate design systems.
⚡ What I can do for you?
Build iOS apps using SwiftUI / UIKit with clean, scalable architecture
Integrate REST APIs, real-time updates (WebSockets), and third-party SDKs
Refactor and improve existing apps (architecture, performance, crashes, memory, UI issues)
Work with SPM and CocoaPods dependency management
Bonus: projects involving SceneKit / 3D content when needed
✅ Why work with me?
Clean, maintainable, and scalable code
Strong communication and practical solutions
UI/UX mindset: smooth, polished user experiences
Reliable long-term support and maintenance after delivery
📩 Let’s build (or improve) your iOS app. Click Invite and tell me what you’re working on—I'll suggest the best approach and next steps.
Edson S.
has worked
.
Bangladesh
$35/hr
100%
Job Success
$30K+ earned
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I'm a passionate iOS developer with a strong focus on Swift, SwiftUI, and UIKit. With a proven track record of delivering high-quality apps, I'm well-versed in Core Data, Firebase, and other cutting-edge technologies.
🎯 What I Offer:
● Proficient in Swift, SwiftUI, and UIKit
● Extensive experience in building feature-rich iOS apps
● Solid understanding of 3rd party API integration, trade-offs and possible concerns
● Meticulous attention to detail, code optimization and performance enhancements
● Collaborative team player with excellent communication skills
💼 Past Achievements:
● Developed and launched several successful iOS apps.
● Optimised app performance, resulting in improved user experience.
● Refactor's that improved performance across the board and reduced app size.
● Modularised apps ensuring reusability across multiple apps.
● Collaborated with cross-functional teams to deliver outstanding results.
If you're looking for an iOS developer who can bring your app ideas to life and elevate your business, let's connect! I'm committed to creating top-notch iOS applications that exceed expectations.
Promal B.
has worked
.
$15/hr
$1K+ earned
Offers consultations
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👋 𝗛𝗶! 𝗜’𝗺 𝓢𝓱𝓪𝓻𝓲𝓺 𝓗𝓪𝓼𝓷𝓪𝓲𝓷, a Senior Mobile App Developer with 7+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 in creating seamless and high-performance mobile apps. Armed with a 𝑴𝒂𝒔𝒕𝒆𝒓𝒔 degree in Computer Science and Engineering, I specialize in building apps that users love on both iOS and Android.
✅ 7+ Years of Expertise
✅ 100% Client Success
✅ 30+ Successful Mobile Apps Developed
✅ 5 Star Rating
✅ 100% Job Success
✅ Trusted Communicator
✅ Focused on long-term collaboration & client satisfaction
📌 𝗠𝗬 𝗞𝗡𝗢𝗪𝗟𝗘𝗗𝗚𝗘 & 𝗘𝗫𝗣𝗘𝗥𝗧𝗜𝗦𝗘:
→ Cross-Platform Mobile App Development with Flutter and React Native for iPhone, iPad, iOS, and Android
→ Native iOS Development with Swift and iOS SDK, building fast, reliable apps for iPhone and iPad
→ Native Android Development with Kotlin and Android SDK, delivering secure, scalable apps for Android devices
→ Proficient in API Integration with REST APIs, GraphQL, and third-party SDKs
→ Expertise in Firebase, Firestore, MongoDB, and database management for seamless Mobile App Development
→ Google Maps Integration, Geolocation Services, and Geo-fencing
→ Expertise in Push Notifications (FCM, OneSignal), User Authentication, and Payment Gateway Integration
→ AI Mobile App Development with OpenAI, Gemini, Claude, Whisper & Custom AI Workflows
→ AI Chatbot Development, Voice AI, Recommendation Engines & AI Automation
→ Wearable App Development with Apple Watch, watchOS, HealthKit, Health Connect & Fitness Tracking
→ Smart Device & IoT Integration including BLE, NFC, Smart Watches and Connected Devices
→ RevenueCat, StoreKit, In-App Purchases & Subscription-Based Mobile Apps
→ Real-Time Audio, Video Calling, Live Streaming & WebRTC Integration
→ Integration of Camera and QR/Barcode Scanning features for mobile apps
→ Deep knowledge of architectural patterns like MVC, MVP, and MVVM
𝗚𝗹𝗶𝗺𝗽𝘀𝗲𝘀 𝗼𝗳 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜’𝘃𝗲 𝗪𝗼𝗿𝗸𝗲𝗱 𝗜𝗻:
✔ AI-Powered Mobile Apps using OpenAI, Gemini, Claude, Whisper, Voice AI & Intelligent Assistants
✔ Wearable & Health Apps with Apple Watch, HealthKit, Fitness Tracking & Smart Device Integration
✔ Productivity & Focus Apps with Screen Time APIs, Notifications, NFC & Analytics
✔ Smart Home & IoT Apps with BLE, NFC, QR, Tuya & Connected Devices
✔ Subscription-Based Apps with RevenueCat, StoreKit, In-App Purchases & Paywalls
✔ MVP Mobile App Development for business startups with No-Code Lovable Replit
✔ Health & Fitness Mobile App with Telemedicine, Habit Tracking with HealthKit
✔ Meditation & Wellness Mobile App with AI Chatbot Integration, Mental Health App
✔ Food Delivery App with Real-Time Order
✔ Loyalty & Rewards Mobile App with Coupons Gift Cards & Stripe Integration
✔ Real-Time Chat & Messaging Mobile App with Twilio SMS Video Calling Firebase
✔ On-Demand Services App with Booking Scheduling IoT Wearables
✔ Audio Streaming Mobile App with Reading, Subscriptions & Live Streaming
✔ E-Learning Mobile App with Courses, Languages Learning, Gamification, LMS
✔ Multi-vendor Marketplace & E-Commerce Mobile App
✔ FinTech & Payment Apps (Stripe, RevenueCat, Subscriptions)
𝐋𝐞𝐭’𝐬 𝐁𝐫𝐢𝐧𝐠 𝐘𝐨𝐮𝐫 𝐀𝐩𝐩 𝐈𝐝𝐞𝐚 𝐭𝐨 𝐋𝐢𝐟𝐞:
📅 Interested in a free 30–60 minute consultation? I’d love to hear about your project!
During our session, we’ll:
✅ Explore your goals, technical requirements, and budget
✅ Outline a tailored roadmap with timelines and cost estimates
✅ Recommend the best tech stack and development approach
📩 Send me a quick message, and I’ll share my Upwork scheduler so we can lock in a time that works for you.
Let’s connect and create something remarkable together!
Best Regards,
AI App Developer
OpenAI Developer
Gemini API
Claude API
Apple Watch App
watchOS
HealthKit
BLE Developer
NFC Developer
RevenueCat
Subscription App
AI Chatbot
Voice AI
Smart Device App
IoT App
Fitness App Developer
Wellness App Developer
Shariq H.
has worked
.