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I’m ready to push our current travel-booking application to the next level and need a mobile developer who can own the entire build for both Android and iOS. The core features we already rely on—polished UI, seamless payment gateway integration, and real-time live tracking—must stay intact, but I’m looking for fresh eyes to refine them and expand the app’s capabilities. What I need from you • Rebuild and enhance the Android codebase while creating a parallel iOS version using the same REST/GraphQL endpoints. • Integrate Google Maps API to power location search, route plotting, and live driver tracking. • Tighten payment processing (currently Stripe) and ensure transactions remain secure and PCI-compliant. • Optimize performance: reduce load times, improve caching, and handle real-time data updates via Firebase or another cloud database you’re comfortable with. • Prepare every release for smooth Google Play Store and App Store submission, including screenshots, descriptions, and compliance items. • Collaborate with our designer for pixel-perfect UI, and coordinate with the backend team so new endpoints roll out in step with your sprints. Acceptance criteria 1. Both Android and iOS builds pass internal QA, unit tests >80% coverage, and UI tests on real devices. 2. Google Maps API functions: location search <1 s average latency, route polyline accuracy within 5 m. 3. Payment flow completes , returns success/failure callback, and logs securely in Firebase. 4. Live tracking refreshes every 2-3 s without crashing on poor networks. 5. Apps published to TestFlight and internal Play track with zero blocking store review issues. Nice to have but not required: social login, in-app messaging, or multi-currency support—flag if you can tackle any of these. I prefer someone with at least 1–3 years of proven mobile development, fluent in Kotlin/Java and Swift/SwiftUI (or React Native/Flutter if you can guarantee native-level performance). Clear communication and reliable sprint delivery are non-negotiable. Send over a concise proposal highlighting similar travel or real-time data apps you’ve shipped, the tech stack you’d pick, and an estimated timeline for an MVP upgrade plus iOS parity. Looking forward to working with you. Hiring Statement (Add below previous points) We are looking to hire developers from Hyderabad and Andhra Pradesh (Vijayawada, Vizag, Guntur, Tirupati, etc.). Selected candidates must be available for an offline meeting before joining the project.
Projekt-ID: 40046365
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60 Freelancer bieten im Durchschnitt ₹162.280 INR für diesen Auftrag

As a leader in the industry for 18 years, CnELIndia brings unparalleled expertise and efficient methods to your NGS Company project. Our experience in both front-end technologies like Kotlin/Java, Swift/SwiftUI, as well as proven abilities in cross-platform development using React Native/Flutter guarantees the same native-level performance you demand with the bonus of code consolidation. We have developed numerous travel and real-time data apps that are currently being used by thousands of users worldwide. This portfolio provides me with a deep understanding of the specificities pertinent to your project. We've mastered the Google Maps API and efficiently integrated it with payment gateways and real-time data updates via Firebase which have resulted in seamless functioning at very low average latency. Our focus on optimization will also address your need for improved caching, reduction of load times, and handling of real-time updates without impacting stability. As a final seal to our offerings, our services include timely delivery with adherence to submission details for smooth App store publication. Consider CnELIndia for top-tier professional and compliant execution of your vision. Let's build something great together!
₹155.000 INR in 7 Tagen
9,0
9,0

With over a decade of experience in the software development industry, I, Shivpal, a part of Carol Data Technology, am equipped to provide you with exceptional services catered towards enhancing your travel-booking application. My skillset includes strong proficiency in both Java and Swift/SwiftUI which are essential in owning and rebuilding the Android codebase and creating an efficient, parallel version for iOS - a task I'm more than capable of handling. Past projects similar to this job comprise developing real-time data apps for tracking, making payments, and integrating maps just like yours. Additionally, my well-rounded knowledge of PHP and mobile app development using Android or iOS platform further strengthens my candidature. With efficiency being the core pursuit, I'll not only ensure that your existing features remain intact but will also strengthen them alongside introducing new capabilities like implementing search features powered by Google Maps API, tightening payment processing and covering multi-currency support. Collaborative work is not new to me; thus coordinated functioning with your designer for pixel-perfect UI and the backend team for rolling out new endpoints in accord with sprints would be taken care off effectively. Your acceptance criteria are well noted and I assure you of my commitment.
₹155.000 INR in 7 Tagen
7,5
7,5

Hello, I hope you are doing well. I am an experienced iOS and Android Developer with 7+ years of expertise in building high-quality mobile applications. I have successfully delivered apps with features such as real-time APIs, Firebase, payment integration, push notifications, and social login. I have reviewed your project details carefully, and I am confident that I can deliver a robust, scalable, and user-friendly iOS solution that meets all your requirements. I can start immediately and will ensure clear communication, regular updates, and a high-quality final product. Let’s connect to discuss your project in more detail and move forward. Looking forward to your positive response! Thanks & Best Regards, Ankit Gabani
₹120.000 INR in 30 Tagen
5,5
5,5

I can rebuild your Android app in Kotlin (MVVM) and deliver a matching iOS app in SwiftUI, with full Google Maps, Stripe, Firebase live tracking, and performance optimization. I’ll ensure PCI-secure payments, 2–3s real-time tracking, and store-ready builds for TestFlight & Play Console. Estimated MVP + iOS parity: 10–12 weeks, with weekly sprints and QA coverage >80%.
₹155.000 INR in 7 Tagen
5,5
5,5

Hello Nikhil, Regarding your requirement, You want to upgrade your travel-booking app for Android and iOS while keeping polished UI, secure payments, and real-time tracking intact. Your Current code needs optimization, iOS parity, enhanced live tracking, and seamless payment flows. I have core expertise in Flutter and have built similar real-time booking and travel apps. I can: -Rebuild and optimize Android & iOS from a single codebase. -Integrate Google Maps for fast location search, route plotting, and live driver tracking. -Ensure secure, PCI-compliant Stripe payments and Firebase-based real-time updates. -Collaborate with your designer & backend for pixel-perfect UI and smooth API integration. -Prepare both apps for Play Store and App Store submissions with proper QA. I can deliver a scalable, launch-ready app. Optional features like social login or in-app messaging can also be added.
₹155.000 INR in 7 Tagen
5,4
5,4

Drawing from my 9+ years of web and mobile development experience, I believe I am uniquely qualified to help you take your travel-booking application to the next level. My team and I specialize in Android and iOS development, and we are well-versed in Kotlin/Java and Swift/SwiftUI, ensuring top performance on both platforms. We've also built several travel apps similar to yours, meaning we're familiar with the complexities of integrating Google Maps API, optimizing performance, and tackling other criteria crucial to your project's success. Our attention to detail is second to none. From maximizing security for payment processing to delivering pixel-perfect UI design - we pride ourselves in leaving no stone unturned. Additionally, our familiarity with REST/GraphQL endpoints will allow us to seamlessly create parallel Android and iOS builds without any hiccups. To top it all off, we offer not just our expertise but also a value proposition. With our cost-effective solutions on-going support for three months post-delivery as standard, you're assured of quality work at an affordable price point. And even beyond that period, our hosting and domain services will ensure smooth functionality for your app at minimal cost. I hope you consider me for this opportunit; you won't be disappointed!
₹155.000 INR in 7 Tagen
5,6
5,6

As a seasoned Full Stack Web and Mobile App Developer, I believe that I check all the necessary boxes for your NGS Company startup project. With over 5 years of experience, I have honed my skills in developing scalable and user-friendly applications, much like the travel-booking application we are looking to enhance. My experience covers both frontend and backend development, giving me a holistic understanding of app development that can create a seamless Android to iOS experience. In particular, my expertise in React Native and Flutter aligns perfectly with your needs for native-level performance. Additionally, my proficiency in Kotlin/Java and Swift/SwiftUI make me well-equipped to handle the codebase rebuild and ensure that it aligns with both REST and GraphQL endpoints. I am also comfortable integrating APIs like Google Maps for location search, route plotting, and more. I pride myself on delivering clean, optimized, and maintainable code within set timeframes without compromising on quality. My strong work ethic along with my clear communication skills make me an ideal fit for this project where collaboration between teams is crucial. Finally, my experience with Testflight and Play Store submission processes will ensure that the MVP upgrade plus iOS parity will be published with zero hindrances. Let's build something truly amazing together!
₹155.000 INR in 7 Tagen
4,9
4,9

Hi , Good afternoon! Already have something live to show you I am an expert mobile computer programmer with skills including Google Maps API, Kotlin, iPhone, PHP, Swift, Java, Android, Payment Processing, iOS Development and Mobile App Development. Please contact me to discuss more regarding this project. Feel free to contact us to discuss your project
₹100.000 INR in 3 Tagen
4,4
4,4

Hello! Tarang here—bringing 12 years of real-world development expertise in delivering 70+ robust mobile applications for businesses of all sizes. Let's discuss your project in more detail. I am available to start immediately on your travel-booking Mobile App Development. And deliver a mobile app that will fulfill your requirements. I would be happy to share app projects so you can measure my capability.
₹110.000 INR in 7 Tagen
3,7
3,7

Hello, I am a highly skilled full-stack developer and digital solution architect with over 4 years of experience transforming ideas into powerful, scalable, and business-focused web and mobile applications. I specialize in building performance-driven, user-friendly products that not only look premium but also deliver measurable results. My development approach combines clean, maintainable code with modern UI/UX principles, ensuring every project is fast, secure, responsive, and optimized for real-world growth. My technical expertise includes: Frontend & Backend: PHP, Laravel, MERN Stack CMS & E-commerce: WordPress, Shopify, Magento Mobile Apps: Flutter (Android & iOS) Other Core Skills: API development, database design, payment integrations, automation, and cloud deployment From corporate websites and e-commerce systems to fully custom platforms and mobile apps, I deliver end-to-end solutions that are stable, scalable, and aligned with business goals. I work with a strategic mindset—spanning requirements analysis and system architecture through development, testing, deployment, and long-term support. My focus is always on quality, clarity, and delivering outstanding value. If you're looking for a developer who understands both technology and business and can bring your vision to life with precision, creativity, and reliability, I am here to help. Let’s build something exceptional together. Best regards, Arshi.g
₹100.000 INR in 7 Tagen
3,7
3,7

Hi As a seasoned and versatile full-stack web and mobile app developer, I believe I'm the ideal candidate to elevate your travel-booking application. In my decade-long career, I've successfully delivered scalable, reliable solutions for various industries including fintech and hospitality - experiences that have honed my ability to prioritize performance optimization, real-time data management, and payment security - all key aspects of your project. Let me assure you a razor-sharp UI/UX design coordination with your backend team alongside timely MVP delivery reassuring an engaged, proactive partnership from me! Regards Parul Saini
₹125.000 INR in 10 Tagen
3,5
3,5

With over half a decade of experience under my belt, including expertise in PHP, Laravel, Node.js, and Vue.js, I believe I'm the perfect fit for your project. My comprehensive understanding of full stack web development and proven skills in building high-performance platforms align directly with your requirements. My proficiency in payment gateway integrations such as Razorpay, PhonePe, Cashfree, and Khalti will ensure the payment processing in your app remains secure and PCI-compliant. I understand the need to have both Android and iOS builds that pass internal QA with high coverage-unit tests and functional UI tests. My fluency in React Native makes it possible for me to tackle both versions using the same REST/GraphQL endpoints just as you require. I also have experience in integrating Google Maps API for location search and routing functionalities which would be essential for your app. I look forward to helping take your travel booking application to the next level in not only an efficient but timely fashion as well! Let's build something great together!
₹155.000 INR in 7 Tagen
3,3
3,3

Hello, I’m Rahul Singh from Team Velora, running successfully for 3 years. We specialize in building high-performance Android and iOS apps with real-time tracking, secure payments, and polished UI/UX exactly like your travel-booking app. We follow point-to-point development for every feature, ensuring smooth Google Maps integration, Stripe payments, and seamless live tracking. Please come to private chat to see samples relevant to your project.
₹155.000 INR in 30 Tagen
3,4
3,4

Hello, I can upgrade your travel-booking app for Android and iOS, keeping core features intact and expanding functionality. Key Features per User Customer ➤ OTP Login ➤ Search & Book Trips ➤ Live Driver Tracking ➤ Payment ➤ Booking History ➤ Notifications Driver ➤ OTP Login ➤ Assigned Trips List ➤ Status Update (Picked/Delivered) ➤ Navigation Link (Google Maps) ➤ Earnings Summary Admin ➤ Dashboard ➤ Trip Assignment ➤ Driver & Customer Management ➤ Payment Logs ➤ Reports & Analytics Best regards, Vinita
₹110.000 INR in 15 Tagen
2,6
2,6

Hello, Thank you for sharing the detailed requirements. I have hands-on experience working on real-time tracking, payment integrations, and performance optimization for both Android and iOS apps. I have worked on live production apps such as Canicom GPS and Vacay, where I handled real-time location tracking, Google Maps integration, secure API handling, and performance improvements. This experience directly aligns with your travel-booking app needs. I can rebuild and enhance your Android app and develop the iOS version using the same REST/GraphQL backend. I will ensure Google Maps live tracking, secure Stripe payment flow, Firebase-based real-time updates, and smooth store submissions. My preferred stack is Flutter for faster delivery with native-level performance, but I am also comfortable with Kotlin and Swift. Estimated timeline for Android upgrade with iOS parity is 6–8 weeks. I’d be happy to share more details and discuss next steps. Thank you.
₹100.000 INR in 30 Tagen
2,0
2,0

Hi, I can take full ownership of rebuilding and enhancing your travel-booking app for both Android and iOS. I’d use React Native for a shared codebase with near-native performance or native Kotlin/Swift stacks if maximum optimization is needed. Core features like real-time driver tracking via Google Maps API, secure Stripe payments, and performance optimizations will be maintained and improved. I’ll ensure both apps pass QA, unit/UI tests, and are ready for TestFlight and Play Store submission, with live tracking refreshing every 2–3 seconds and payment callbacks logged securely. Based on similar projects with live tracking and travel bookings, I estimate 6–8 weeks for an MVP upgrade with iOS parity, including full documentation and deployment support. Let's discuss the details via chat to finalize the timeline and budget.
₹110.000 INR in 7 Tagen
2,5
2,5

Hi Nikhils, I understand your need for a mobile developer to elevate your travel-booking application across Android and iOS platforms. With 3 years of experience in mobile development, expertise in Kotlin, Java, Swift, and Flutter, I am well-equipped to rebuild and optimize the app with Google Maps API integration for seamless user experience. One strategy I propose is to implement real-time data updates through Firebase to enhance performance and user engagement. I look forward to collaborating on this project with you. Let's discuss further potential and timelines. My availability aligns with your project needs. Best regards, Zaheer Mahomed
₹132.300 INR in 30 Tagen
0,0
0,0

Hi, my skills align perfectly with your project! You need a mobile developer to rebuild and enhance your travel-booking app for Android and iOS with a clean, professional, and user-friendly interface. Key priorities like seamless payment integration via Stripe, integrated Google Maps API for location and live tracking, and automated real-time updates using Firebase stand out clearly. Performance optimization and smooth store submissions are also essential. I offer expertise in Kotlin, Swift, and cross-platform Flutter with tons of experience and have done many of these projects off site. You can visit my portfolio to view some of my most recent work demonstrating similar real-time apps. I would love to chat more about your project! Regards, Christopher Fourie
₹125.000 INR in 30 Tagen
0,0
0,0

Hi Nikhils30, I am excited about the opportunity to enhance your travel-booking application. Your project focuses on maintaining polished UI and seamless payment integration while pushing the boundaries of app capabilities, which aligns perfectly with my expertise. With over 5 years of experience in mobile development, I specialize in PHP, Java, iOS Development, Android, Swift, and Google Maps API. I have successfully rebuilt and optimized numerous apps with real-time data features, ensuring top-notch performance and security standards. Here are some relevant portfolios showcasing my previous work: https://www.freelancer.com/u/AbderrahmaneLa I can deliver secure payment processing using Stripe, implement efficient caching strategies, and ensure compliance for smooth app submissions on both stores. I am also comfortable collaborating with teams to achieve polished designs. I look forward to discussing how I can elevate your application. Thanks, Regards Abderrahmane La
₹155.000 INR in 7 Tagen
0,0
0,0

Hello, I’m Ankur, a freelance developer with a dedicated team of professionals. I read all your requirements for Website and I assure you that I will provide high-quality work at the proper time. Additionally, we also provide you 3 months of support from our side. As a Full Stack Developer, I specialize in Web and App Development, boasting a portfolio of stunning projects with top-notch UI/UX design. My expertise spans Flutter (for both Android and iOS), PHP, and WordPress, and I bring over 7 years of experience to the table. Whether it’s websites, applications, or e-commerce platforms, I’ve got you covered. But I’m not limited to just coding. My skill set extends to graphic design and logo creation, offering you a one-stop solution for all your project needs. With a track record of over 500 completed projects, I am committed to delivering nothing short of excellence. My ultimate goal is your complete satisfaction. Thank you for considering me for your project. I’m ready to transform your vision into a reality that stands out in today’s competitive landscape. Best Regards, Ankur Hardiya
₹135.000 INR in 6 Tagen
0,0
0,0

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