App developer

@ominfowave

Hello We are Ominfowave Software Services Pvt. Ltd., and we have an expert mobile application development team with 10+ years of experience in building reliable, high-quality apps. ? Our Core Expertise •Android App Development (Kotlin / Native) •iOS App Development •Flutter & FlutterFlow (Cross-platform) Our team understands not just development, but also performance, user experience, scalability, and timely delivery. ? What We Can Deliver ✔ Social media integrations (Facebook, Google, Twitter, etc.) ✔ Google APIs (Maps, Places, FCM, YouTube, Analytics) ✔ Offline & cloud database solutions (SQLite, MySQL, Realtime DB) ✔ Secure payment integrations (Stripe, PayPal, Braintree) ✔ Ad monetization (AdMob, Appodeal, MobVista) ✔ In-App Purchases ✔ Location tracking & real-time features ✔ Chat & messaging applications ? App Types We’ve Built •Social Media Apps •Shopping & eCommerce Apps •Job Portals •Taxi / Carpooling Apps •VPN & Utility Apps •Travel & Booking Apps •Live Streaming Apps •AI & Machine Learning–based Apps ? Why Work With Us •10+ years of hands-on experience •Clean, scalable & secure code • Clear communication & regular updates • On-time delivery with quality assurance • Long-term support after project completion We would love to work with you and build a long-term, trusted business relationship. Let’s discuss your idea and turn it into a successful application Warm regards, Vishal Nasit Ominfowave Software Services Pvt. Ltd.

@mrresearcher99

Hi there, I’ve reviewed your Flutter app requirements and would love to help. With 5+ years of experience in cross-platform development, I specialise in clean UI, smooth performance, and robust API integration. I’ll begin with clear planning, share regular progress updates, and ensure the app is fully tested before launch. Let’s connect to discuss your vision — I’m ready to get started! Best, Bhargav Flutter Developer | Android & iOS Expert

@Srashtasoft

Hi there, I have read your project requirement. You need a skilled developer to design and build a high-quality mobile application with strong performance, clean UI/UX, and reliable functionality. We will develop the app using Flutter (or native Kotlin/Swift if required) to ensure smooth performance, scalable architecture, and a user-friendly interface. Our approach focuses on clean code, fast loading, bug-free experience, and seamless collaboration throughout the project. Questions: =========== What type of app are you planning to build (industry/use case)? Do you prefer Flutter or native development (Android/iOS)? Do you have UI/UX designs ready or should we create them? What is your expected timeline for the project? Best Regards, Srashtasoft Team

@kamran2012

Good to see this project, I will build your mobile app for both Android and iOS using Flutter for a single codebase with native performance on both platforms. I will handle the UI, backend integration, push notifications, and deployment to both app stores. One thing worth deciding early is whether to go with Firebase for real-time data and auth or a dedicated backend with MongoDB — it depends on how complex the data relationships are and whether you need offline sync. I will recommend the right fit once I understand the app better. Questions: 1) What does the app do — what is the core feature or workflow for end users? 2) Do you have wireframes or a design reference, or do you need UI design as part of this project? Let us discuss via chat. Best regards, Kamran

@vishal1145

Your app will crash under load if you're storing user sessions in SQLite without implementing proper connection pooling and background thread management. I've debugged this exact issue for 3 clients who launched with 5K+ concurrent users and saw 30% of sessions fail during peak hours. Before mapping the architecture, I need clarity on two things - what's your expected DAU at launch (5K or 50K users), and are you planning real-time features like chat or notifications that'll require WebSocket connections? This determines whether Firebase alone can handle your backend or if you'll need a hybrid approach with MongoDB for complex queries. Here's the technical approach: - KOTLIN + SWIFT: Build native apps with shared business logic through Kotlin Multiplatform to reduce code duplication by 40% and maintain platform-specific UI performance. - FIREBASE + MONGODB: Use Firebase for real-time sync and push notifications, MongoDB for analytics queries and user data that requires complex filtering (Firebase struggles with multi-field queries at scale). - SQLITE OPTIMIZATION: Implement WAL mode and prepared statements to handle offline-first architecture without blocking the main thread during sync operations. - ANDROID + iOS ARCHITECTURE: Set up MVVM pattern with Jetpack Compose and SwiftUI to ensure testable code and reduce UI bugs by 50% compared to traditional XML/Storyboard approaches. I've built 8 production apps that scaled from beta to 100K+ users without performance degradation. I don't take projects where offline sync and data consistency aren't planned upfront. Let's schedule a 20-minute call to walk through edge cases like conflict resolution and background data sync before you commit to a build.

@Rajoriadares

Hello Client, Greeting of the day!!!! I read your job description I have sound of five years plus experience in App development. I have been DEVELOPED 35+ Apps, three taxi apps, Two socials apps and restaurant apps based on GPS location and notification functionality and based on different domain like sports, Health, GYM, personal business and social etc I have testing team for testing apps. I think I am strongest person for doing this job and provide the quality product with testing. I am always available for your support. Thanks Sr. Mobile Developer

@pvsysgroupinc

As a Professional Freelancer with 17+ years invested in the industry, I've garnered extensive experience crucial for your project. Firstly, I should highlight my skills in Java – one of the modern programming languages your project requires. Over time, I have designed and built numerous high-quality mobile applications on both Android and iOS platforms using Java. In tandem with my technical skills, my dedication to providing nothing short of stellar services would benefit your team extensively. My problem-solving skills and knowledge lean towards delivering user-friendly interfaces while ensuring top app performances. I rectify bugs thoroughly and always ensure optimum user experiences. My previous projects, which have earned more than €500,000 confirm not only my proficiency but also my reliability over such long periods. So, if you're keen to work with an experienced professional who takes full responsibility for delivering within schedule and at the optimum level of quality, choosing me is choosing success! Thanks Nikita

@Riasatali78

As an experienced Android developer with a comprehensive understanding of Java and Kotlin, I have mastered the art of crafting engaging, user-centric applications designed to dazzle users whilst handling complex functionality. My seven-year tenure in the field has given me opportunities to develop various android apps across different industries, like streaming platforms, business tools and utilities. In light of this, I can guarantee effective problem-solving and capability in managing all your requirements. Understanding the significance of a robust backbone for mobile applications, I impressively employ the MVVM Architecture and Jetpack Libraries (ViewModel, LiveData, Navigation, Room), among other proficient technologies. Likewise, I ensure superb performance by integrating REST APIs via libraries like Retrofit and OkHttp. To polish my skillset further, last year, I successfully completed a project utilizing Flutter - attesting my versatility.

@avishiwebstudio

I understand your requirement for a skilled app developer to build a high-quality, user-friendly mobile application across Android and/or iOS. I have strong experience in modern mobile development using Kotlin, Swift, and Flutter, delivering clean, reliable, and high-performance apps. I focus on intuitive UI, efficient code, and smooth collaboration to ensure a seamless user experience. I’m ready to start immediately—let’s connect to discuss your project in detail.

@logicstones

Hello, I trust you're having a great day. With 7 years of experience, I specialize in developing iOS apps using Swift and bit working with Flutter. Throughout my journey, I've successfully crafted over 20+ apps across various domains such as Taxi sharing, Gym fitness, Food delivery/dining, Crypto, training schedules, and video calling, among others. The majority of these apps incorporate push notifications, retrieve data from servers through APIs using Alamofire/Socket, and handle data in JSON format. Throughout the development process, I maintain code integrity through version control systems like Bitbucket/Github. I am confident that my skills align perfectly with your requirements. I am available immediately and look forward to discussing further in a chat. Note: Portfolio will share in chat. Thanks Abubakar

@NEHABHAT92

With an extensive background in web and mobile app development for the past 9 years, I believe I bring a unique blend of skills and knowledge to your Android and/or iOS project. I've not only developed various applications across different platforms but also have experience with modern programming languages including Java, Kotlin, Swift and Flutter - all relevant to the successful completion of your project. Moreover, my strong problem-solving skills enable me to identify and resolve any issues that may arise during the development process. As part of your project, my aim is to not only create a high-quality and user-friendly interface but also ensure smooth app performance, fix any bugs that may occur post-launch and collaborate effectively with your team to reassure a seamless user experience. In addition to this, I offer competitive costs for my services, with added benefits such as three months' free support after delivery for any existing developments alongside impressive familiarity with SEO services. Choosing me means choosing reliability, professionalism, and a dedication towards actualizing your ideas. Thanks for considering me.

@RajAbhisek

Hi, I am a mobile app developer from India with 6+ years of experience building Android and iOS applications. I have worked on apps across different categories including e-commerce, health, productivity, and service platforms. My primary stack is Flutter, which allows me to build one codebase that runs well on both Android and iOS, saving time and cost without compromising on quality. I have experience with Kotlin and Java for native Android development as well, so I am comfortable working in whichever environment suits your project best. For every app I build I focus on three things — clean and intuitive UI that users can navigate without confusion, solid performance with no unnecessary lag or crashes, and code that is easy to maintain and update after launch. I follow a proper development process with regular builds shared for feedback so you always know where things stand. I have fixed bugs and improved existing apps as well, not just built from scratch, so I understand how to read someone else's code and improve it without breaking what already works. My apps have gone through full Play Store and App Store submission processes, so I know the requirements and can handle the launch end to end. Before starting I would want to understand your app idea, the target audience, and any screens or references you have in mind. That helps me give you a realistic timeline and avoid surprises later Happy to jump on a quick call to discuss. Thanks, Raj

@nadeemkhan7

Hello, I went through your project description and it seems like that I am a great fit for this job. I have an expert team with many years of experience in Java, JavaScript, Android, SQLite, Swift, Kotlin, iOS Development, MongoDB, Google Firebase. Please come over chat and discuss your requirement in a detailed way. Thank You

@MuhammadAsad108

✔ I deliver 100% work — 99.9% is not for me. ✔ Workflow Diagram Requirement Understanding ⟶⟶ UI/UX Design ⟶⟶ App Architecture Setup ⟶⟶ Development (Frontend + Backend) ⟶⟶ API Integration ⟶⟶ Testing & Bug Fixing ⟶⟶ Optimization ⟶⟶ Deployment Key Highlights ✔ Cross-platform app — Android + iOS using Flutter (single codebase). ✔ Clean UI/UX — modern, responsive, and user-friendly design. ✔ High performance — optimized for speed and smooth experience. ✔ Scalable architecture — ready for future feature expansion. ✔ Firebase integration — authentication, database, notifications. ✔ Secure data handling — best practices for user data protection. ✔ Bug-free delivery — tested thoroughly before submission. ✔ Ongoing support — post-launch assistance included. Proposed Tech Stack Frontend (Mobile App): • Flutter (Dart) (recommended for cost + speed) OR • Native (Kotlin + Swift) if required Backend (if needed): • Firebase (Realtime DB / Firestore) • Node.js / Python APIs Database: • Firebase / MongoDB / SQLite (based on app needs)

@KarthikTechCon

Hello, I’m Karthik, a mobile app developer with 10+ years of experience building high-quality Android and iOS applications. I specialize in Java, Kotlin, Swift, and Flutter, delivering smooth, user-friendly interfaces with robust performance. I can design and develop your app end-to-end, ensuring seamless UX, optimized performance, and quick bug resolution. My experience includes creating apps with intuitive navigation, responsive UI, and modern features while maintaining clean, maintainable code. I follow best practices for app architecture, testing, and deployment, and I collaborate closely with clients to align the product with their vision. Portfolio of previous apps and references are available upon request. I’m ready to start immediately and deliver a polished, production-ready mobile application. — Karthik

@bridgestonetech1

Hi, I’ve gone through your requirement and it’s clear you’re looking for a reliable developer who can handle both performance and user experience smoothly. My team has solid experience in building Android and iOS apps using Flutter and native stacks, focusing on clean UI, stability, and scalable architecture. We handle everything from design implementation to performance optimization, bug fixing, and smooth deployment, while keeping communication clear throughout the process. You can expect a well-structured, fast, and user-friendly app aligned with your expectations. Do you have UI designs/wireframes ready, or should we assist with that as well? What is the core functionality or main goal of the app? Let’s connect and discuss the scope so we can get started right away.

@chiragardeshna

Hi there, Strong alignment with this project comes from experience developing high-quality mobile applications with smooth performance, clean architecture, and user-focused design. Clear understanding of the requirement to build a scalable app with intuitive UI, optimized performance, and reliable functionality across Android and iOS. A structured approach includes selecting the right tech stack, implementing modular architecture, ensuring responsive UI/UX, and maintaining clean, well-documented code. Risk is minimized through thorough testing, performance optimization, and efficient bug resolution. Available to start immediately happy to share a quick demo or discuss next steps. Recent work: https://www.freelancer.com/u/chiragardeshna Regards Chirag

@uniqedeveloper

I totally understand your requirement—building a high-quality mobile app isn’t just about development, it’s about performance, usability, and long-term stability. Recently, I developed a cross-platform mobile app for a service-based business where I handled end-to-end development (Flutter + Node backend). The focus was on smooth UI/UX, optimized API handling, and crash-free performance across devices. Post-launch, the app achieved fast load times and reduced user drop-offs significantly due to improved responsiveness and clean navigation. For your project, I can work with Kotlin/Java (Android), Swift (iOS), or Flutter depending on your scalability and budget goals. My approach includes structured architecture (MVVM/Clean), API-first development, performance optimization, and continuous testing to ensure a stable release. I also focus on: * Clean, intuitive UI/UX * Efficient state management * Bug tracking & quick fixes * Scalable and maintainable codebase I can share relevant app demos and a clear milestone-based plan aligned with your expectations. Let me know when you’re available to discuss this further I’d be happy to walk you through my approach or showcase examples relevant to this project. Looking forward to hearing from you! Best regards, Mulayam

@dushyant317

Experienced mobile app developer skilled in Kotlin, Swift, and Flutter—ready to deliver a high-performance, user-friendly app tailored to your needs with clean UI and smooth functionality. I have a proven track record of building scalable mobile applications with strong focus on performance, bug-free delivery, and seamless user experience—happy to share portfolio and start immediately.